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15 Commits
splubp
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2
.gitignore
vendored
2
.gitignore
vendored
@@ -1,2 +0,0 @@
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.DS_Store
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.vscode/settings.json
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@@ -1,504 +0,0 @@
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pico-8 cartridge // http://www.pico-8.com
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version 42
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__lua__
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-- prof: cpu cycle counter v1.4
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-- BY PANCELOR
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--[[------------------------
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use this cart to precisely
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measure code execution time
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--------------------------------
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★ overview ★
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--------------------------------
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| tab 0 | usage guide |
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| tab 1 | (internals) |
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| tab 2 | your code here |
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--------------------------------
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-----------------------
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-- ★ usage guide ★ --
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-----------------------
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웃: i have two code snippets;
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which one is faster?
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🐱: edit the last tab with your
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snippets, then run the cart.
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it will tell you precisely
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how much cpu it takes to
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run each snippet.
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the results are also copied
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to your clipboard.
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웃: what do the numbers mean?
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🐱: the cpu cost is reported
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as lua and system cycle
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counts. look up stat(1)
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and stat(2) for more info.
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if you're not sure, just
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look at the first number.
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lower is faster (better)
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웃: why "{locals={9}}"
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in the example?
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🐱: accessing local variables
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is faster than global vars.
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so if your test involves
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local variables, simulate
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this by passing them in:
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prof(function(a)
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sqrt(a)
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end,{ locals={9} })
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/!\ /!\ /!\ /!\
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local values from outside
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the current scope are also
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slower to access! example:
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global = 4
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local outer = 4
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prof(function(x)
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local _ = x --fast
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end,function(x)
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local _ = outer --slow
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end,function(x)
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local _ = global --slow
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end,{ locals={4} })
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/!\ /!\ /!\ /!\
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웃: can i do "prof(myfunc)"?
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🐱: no, this sometimes gives
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wrong results! always use
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inline functions:
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prof(function()
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--code for myfunc here
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end)
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as an example, "prof(sin)"
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reports "-2" -- wrong! but
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"prof(function()sin()end)"
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correctly reports "4"
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(see the technical notes at
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the start of the next tab
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for a brief explanation.
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technically, "prof(myfunc)"
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will work if myfunc was made
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by the user, but you will
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risk confusing yourself)
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|
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---------------
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★ method 2 ★
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---------------
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this cart is based on
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code by samhocevar:
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https://www.lexaloffle.com/bbs/?pid=60198#p
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if you do this method, be very
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careful with local/global vars.
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it's very easy to accidentally
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measure the wrong thing.
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here's an example of how to
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measure cycles (ignoring this
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cart and using the old method)
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function _init()
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local a=11.2 -- locals
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local n=1024
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flip()
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local tot1,sys1=stat(1),stat(2)
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for i=1,n do end --calibrate
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local tot2,sys2=stat(1),stat(2)
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for i=1,n do local _=sqrt(a) end --measure
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local tot3,sys3=stat(1),stat(2)
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function cyc(t0,t1,t2) return ((t2-t1)-(t1-t0))*128/n*256/stat(8)*256 end
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local lua = cyc(tot1-sys1,tot2-sys2,tot3-sys3)
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local sys = cyc(sys1,sys2,sys3)
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print(lua.."+"..sys.."="..(lua+sys).." (lua+sys)")
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end
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run this once, see the results,
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then change the "measure" line
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to some other code you want
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to measure.
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note: wrapping the code inside
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"_init()" is required, otherwise
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builtin functions like "sin"
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will be measured wrong.
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(the reason is explained at
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the start of the next tab)
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---------------
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★ method 3 ★
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---------------
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another way to measure cpu cost
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is to run something like this:
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function _draw()
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cls(1)
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local x=9
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for i=1,1000 do
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local a=sqrt(x) --snippet1
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-- local b=x^0.5 --snippet2
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end
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end
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while running, press ctrl-p to
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see the performance monitor.
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the middle number shows how much
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of cpu is being used, as a
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fraction. (0.60 = 60% used)
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now, change the comments on the
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two code snippets inside _draw()
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and re-run. compare the new
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result with the old to determine
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which snippet is faster.
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note: every loop iteration costs
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an additional 2 cycles, so the
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ratio of the two fractions will
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not match the ratio of the
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||||||
execution time of the snippets.
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but this method can quickly tell
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you which snippet is faster.
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||||||
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]]
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-->8
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--[[ profiler.lua
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more info: https://www.lexaloffle.com/bbs/?tid=46117
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usage:
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prof(function()
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memcpy(0,0x200,64)
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end,function()
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poke4(0,peek4(0x200,16))
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end)
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passing locals:
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prof(
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function(a,b)
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local c=(a+1)*(b+1)-1
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end,
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function(a,b)
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local c=a*b+a+b
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end,
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{locals={3,5}}
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)
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getting global/local variables exactly right
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is very tricky; you should always use inline
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functions like above; if you try e.g. prof(sin)
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the results will be wrong.
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# minutiae / notes to self:
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---------------------------
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doing this at top-level is awkward:
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for _=1,n do end -- calibrate
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for _=1,n do sin() end -- measure
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b/c sin is secretly local at top-level,
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so it gives a misleading result (3 cycles).
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do it inside _init instead for a
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more representative result (4 cycles).
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## separate issue:
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||||||
------------------
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if you call prof(sin), it gives the wrong result (-2 cycles) because
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it's comparing sin() against noop() (not truly nothing).
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but we want the noop() there for normal inline prof() calls,
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to avoid measuring the cost of the indirection
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(calling func() from inside prof() is irrelevant to
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how cpu-expensive func()'s body is)
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]]
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-- prof(fn1,fn2,...,fnN,[opts])
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--
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-- opts.locals: values to pass
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-- opts.name: text label
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-- opts.n: number of iterations
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function prof(...)
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local funcs={...}
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local opts=type(funcs[#funcs])=="table" and deli(funcs) or {}
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-- build output string
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local msg=""
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local function log(s)
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msg..=s.."\n"
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end
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if opts.name then
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log("prof: "..opts.name)
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end
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for fn in all(funcs) do
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local dat=prof_one(fn,opts)
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log(sub(" "..dat.total,-3)
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.." ("
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..dat.lua
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.." lua, "
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..dat.sys
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.." sys)")
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end
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||||||
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|
||||||
-- copy to clipboard
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printh(msg,"@clip")
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-- print + pause
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|
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cls()
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stop(msg)
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end
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function prof_one(func, opts)
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opts = opts or {}
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local n = opts.n or 0x200 --how many times to call func
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local locals = opts.locals or {} --locals to pass func
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-- we want to type
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|
||||||
-- local m = 0x80_0000/n
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||||||
-- but 8MHz is too large to fit in a pico-8 number,
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|
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-- so we do (0x80_0000>>16)/(n>>16) instead
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|
||||||
-- (n is always an integer, so n>>16 won't lose any bits)
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local m = 0x80/(n>>16)
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|
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assert(0x80/m << 16 == n, "n is too small") -- make sure m didn't overflow
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|
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local fps = stat(8)
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||||||
|
|
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-- given three timestamps (pre-calibration, middle, post-measurement),
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|
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-- calculate how many more CPU cycles func() took compared to noop()
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|
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-- derivation:
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|
||||||
-- T := ((t2-t1)-(t1-t0))/n (frames)
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|
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-- this is the extra time for each func call, compared to noop
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|
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-- this is measured in #-of-frames -- it will be a small fraction for most ops
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|
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-- F := 1/30 (seconds/frame) (or 1/60 if this test is running at 60fps)
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|
||||||
-- this is just the framerate that the tests run at, not the framerate of your game
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|
||||||
-- M := 256*256*128 = 0x80_0000 = 8MHz (cycles/second)
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|
||||||
-- (PICO-8 runs at 8MHz; see https://www.lexaloffle.com/dl/docs/pico-8_manual.html#CPU)
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|
||||||
-- cycles := T frames * F seconds/frame * M cycles/second
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|
||||||
-- optimization / working around pico-8's fixed point numbers:
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|
||||||
-- T2 := T*n = (t2-t1)-(t1-t0)
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|
||||||
-- M2 := M/n = (M>>16)/(n>>16) := m (e.g. when n is 0x1000, m is 0x800)
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|
||||||
-- cycles := T2*M2*F
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local function cycles(t0,t1,t2)
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local diff = (t2-t1)-(t1-t0)
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|
||||||
local e1 = "must use inline functions -- see usage guide"
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|
||||||
assert(0<=diff,e1)
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|
||||||
local thresh = 0x7fff.ffff/(m/fps)
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|
||||||
local e2 = "code is too large or slow -- try profiling manually with stat(1)"
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|
||||||
assert(diff<=thresh,e2)
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|
||||||
return diff*(m/fps)
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|
||||||
end
|
|
||||||
|
|
||||||
local noop = function() end -- this must be local, because func is local
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|
||||||
flip() --avoid flipping mid-measurement
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|
||||||
local atot,asys=stat(1),stat(2)
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|
||||||
for _=1,n do noop(unpack(locals)) end -- calibrate
|
|
||||||
local btot,bsys=stat(1),stat(2)
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|
||||||
for _=1,n do func(unpack(locals)) end -- measure
|
|
||||||
local ctot,csys=stat(1),stat(2)
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|
||||||
|
|
||||||
-- gather results
|
|
||||||
local tot=cycles(atot,btot,ctot)
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|
||||||
local sys=cycles(asys,bsys,csys)
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|
||||||
return {
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|
||||||
lua=tot-sys,
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|
||||||
sys=sys,
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|
||||||
total=tot,
|
|
||||||
}
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- your code here
|
|
||||||
|
|
||||||
bigarr = (function()
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|
||||||
local ret = {}
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|
||||||
for i=1,100 do
|
|
||||||
ret[i]=i
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|
||||||
end
|
|
||||||
return ret
|
|
||||||
end)()
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|
||||||
|
|
||||||
--edit me:
|
|
||||||
prof(function()
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|
||||||
local a, sum = bigarr, 0
|
|
||||||
for x=1,#a do
|
|
||||||
sum += a[x]
|
|
||||||
end
|
|
||||||
end,function()
|
|
||||||
local a, sum = bigarr, 0
|
|
||||||
for v in all(a) do
|
|
||||||
sum += v
|
|
||||||
end
|
|
||||||
end,function()
|
|
||||||
local a, sum = bigarr, 0
|
|
||||||
foreach(a, function(v) sum+= v end)
|
|
||||||
end,{ locals={} })
|
|
||||||
|
|
||||||
-- "locals" (optional) are
|
|
||||||
-- passed in as args. see the
|
|
||||||
-- usage guide for details.
|
|
||||||
|
|
||||||
__label__
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|
||||||
00006660000000006660000000006660000006006000606066600000066060600660060000000000000000000000000000000000000000000000000000000000
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|
||||||
00006000060000006060666000006000000060006000606060600600600060606000006000000000000000000000000000000000000000000000000000000000
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|
||||||
00006660666000006060000000006660000060006000606066606660666066606660006000000000000000000000000000000000000000000000000000000000
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|
||||||
00000060060000006060666000000060000060006000606060600600006000600060006000000000000000000000000000000000000000000000000000000000
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|
||||||
00006660000000006660000000006660000006006660066060600000660066606600060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006060000000006660000000006060000006006000606066600000066060600660060000000000000000000000000000000000000000000000000000000000
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|
||||||
00006060060000006060666000006060000060006000606060600600600060606000006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006660666000006060000000006660000060006000606066606660666066606660006000000000000000000000000000000000000000000000000000000000
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|
||||||
00000060060000006060666000000060000060006000606060600600006000600060006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000060000000006660000000000060000006006660066060600000660066606600060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
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00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
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70000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
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||||||
07000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
07000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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70000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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|
||||||
|
|
||||||
__sfx__
|
|
||||||
030100003052500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505
|
|
||||||
@@ -1,244 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 41
|
|
||||||
__lua__
|
|
||||||
|
|
||||||
-- vacuum gambit automatic brake test
|
|
||||||
-- by kistaro windrider
|
|
||||||
|
|
||||||
function usplit(str)
|
|
||||||
return unpack(split(str))
|
|
||||||
end
|
|
||||||
function csv(s)
|
|
||||||
local ret = split(s, "\n")
|
|
||||||
for i, v in ipairs(ret) do
|
|
||||||
ret[i] = type(v) == "string" and split(v) or { v }
|
|
||||||
end
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
|
|
||||||
-- generate standard "overlay"
|
|
||||||
-- constructor for type tt.
|
|
||||||
-- if more is defined, generated
|
|
||||||
-- new calls more(ret) after
|
|
||||||
-- ret is definitely not nil
|
|
||||||
-- before calling setmetatable.
|
|
||||||
-- use to initialize mutables.
|
|
||||||
--
|
|
||||||
-- if there was a previous new,
|
|
||||||
-- it is invoked on the new
|
|
||||||
-- object *after* more, because
|
|
||||||
-- this works better with the
|
|
||||||
-- `more` impls i use.
|
|
||||||
function mknew(tt, more)
|
|
||||||
local mt, oldnew = { __index = tt }, tt.new
|
|
||||||
tt.new = function(ret)
|
|
||||||
if (not ret) ret = {}
|
|
||||||
if (more) more(ret)
|
|
||||||
if (oldnew) oldnew(ret)
|
|
||||||
setmetatable(ret, mt)
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function _init()
|
|
||||||
pal(1,129,1)
|
|
||||||
the_ship = ship.new()
|
|
||||||
constraints:setup()
|
|
||||||
slomo = 1
|
|
||||||
sloc = 0
|
|
||||||
reroll()
|
|
||||||
end
|
|
||||||
|
|
||||||
function reroll()
|
|
||||||
frames=0
|
|
||||||
sloc=0
|
|
||||||
the_ship:reroll()
|
|
||||||
end
|
|
||||||
|
|
||||||
function _update60()
|
|
||||||
if (btnp(4)) reroll()
|
|
||||||
if (btnp(5)) constraints:cycle()
|
|
||||||
if (btnp(3)) slomo <<= 1
|
|
||||||
if (btnp(2)) slomo >>= 1
|
|
||||||
slomo = (slomo < 1) and 1 or (slomo > 8192) and 8192 or slomo
|
|
||||||
sloc += 1
|
|
||||||
if sloc >= slomo then
|
|
||||||
frames += 1
|
|
||||||
the_ship:update()
|
|
||||||
sloc=0
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function _draw()
|
|
||||||
cls(1)
|
|
||||||
constraints:draw()
|
|
||||||
the_ship:draw()
|
|
||||||
print("frames: " .. frames, 4, 64, 7)
|
|
||||||
print("speed: 1/" .. slomo, 8, 70, 7)
|
|
||||||
|
|
||||||
print("thrust: ".. actual_t, 4, 80, 7)
|
|
||||||
meter(80, 80, 128, 84, actual_t/the_ship.thrust/2)
|
|
||||||
print("dx: ".. the_ship.dx, 20, 86, 7)
|
|
||||||
meter(80, 86, 128, 90, the_ship.dx/the_ship.maxspd/2)
|
|
||||||
print("x: "..the_ship.x, 24, 92, 7)
|
|
||||||
print("bx: "..gbx, 20, 98, 7)
|
|
||||||
|
|
||||||
print("xmin:"..tostr(constraints.xmin), 12, 108, 7)
|
|
||||||
print("xmax:"..tostr(constraints.xmax), 12, 114, 7)
|
|
||||||
end
|
|
||||||
|
|
||||||
function meter(x0, y0, x1, y1, frac)
|
|
||||||
local c = 11
|
|
||||||
if frac < 0 then
|
|
||||||
frac = -frac
|
|
||||||
c = 8
|
|
||||||
end
|
|
||||||
local range = x1-x0
|
|
||||||
local midpoint = x0 + (range/2)
|
|
||||||
rectfill(x0, y0-1, x0, y1+1, 13)
|
|
||||||
rectfill(midpoint, y0-1, midpoint, y1 + 1, 13)
|
|
||||||
local width = range * frac
|
|
||||||
if (width ~= 0) rectfill(x0, y0, x0 + width, y1, c)
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- ship
|
|
||||||
|
|
||||||
ship = {
|
|
||||||
maxspd=4,
|
|
||||||
thrust=0.25,
|
|
||||||
drag=0.0625,
|
|
||||||
y=32,
|
|
||||||
}
|
|
||||||
mknew(ship)
|
|
||||||
|
|
||||||
function ship:reroll()
|
|
||||||
self.x=rnd(128)
|
|
||||||
self.dx=rnd(2*self.maxspd)-self.maxspd
|
|
||||||
end
|
|
||||||
|
|
||||||
function ship:draw()
|
|
||||||
if self.x < -7 then
|
|
||||||
spr(2, 0, self.y-7)
|
|
||||||
spr(2, 0, self.y+8)
|
|
||||||
elseif self.x > 127 then
|
|
||||||
spr(2, 120, self.y-7, 1, 1, true)
|
|
||||||
spr(2, 120, self.y+8, 1, 1, true)
|
|
||||||
else
|
|
||||||
spr(1,self.x,self.y)
|
|
||||||
end
|
|
||||||
|
|
||||||
--if (self.dx == 0) return
|
|
||||||
local bd, f = brake_dist(self.dx, self.thrust + self.drag)
|
|
||||||
gbx = self.x+bd
|
|
||||||
spr(3, gbx-2,self.y-2)
|
|
||||||
print(tostr(f), gbx-2, self.y - 8, 14)
|
|
||||||
end
|
|
||||||
|
|
||||||
function calc_velocity(v0, t, vmax, drag)
|
|
||||||
v0 = mid(v0 + t, vmax, -vmax)
|
|
||||||
return v0 - mid(drag, -drag, v0)
|
|
||||||
end
|
|
||||||
|
|
||||||
function ship:update()
|
|
||||||
local t = btn(0) and -1 or btn(1) and 1 or 0
|
|
||||||
t *= self.thrust
|
|
||||||
t = constraints:constrain(self, t)
|
|
||||||
-- t = constraints:constrain(self, t)
|
|
||||||
-- t = constraints:constrain(self, t)
|
|
||||||
local s = calc_velocity(self.dx, t, self.maxspd, self.drag)
|
|
||||||
|
|
||||||
self.x += s
|
|
||||||
self.dx = s
|
|
||||||
actual_t = t
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- constraints
|
|
||||||
|
|
||||||
constraints = {
|
|
||||||
ymin=20,
|
|
||||||
ymax=52,
|
|
||||||
color=10
|
|
||||||
}
|
|
||||||
|
|
||||||
function constraints:constrain(s, want)
|
|
||||||
self.color=10
|
|
||||||
if (not self.xmin) return want
|
|
||||||
|
|
||||||
-- bmx: brake max
|
|
||||||
local v1, bmx = calc_velocity(s.dx, want, s.maxspd, s.drag), s.thrust + s.drag
|
|
||||||
local bd, bf = brake_dist(v1, bmx)
|
|
||||||
local bx, txm = s.x + bd + v1, self.xmax
|
|
||||||
if bx < self.xmin then
|
|
||||||
-- predicted brake point left
|
|
||||||
-- of xmin; apply max reverse
|
|
||||||
-- thrust, treat xmin as our
|
|
||||||
-- max target, and handle
|
|
||||||
-- overbraking by coalescing
|
|
||||||
-- with past +xmax case
|
|
||||||
self.color = 9
|
|
||||||
want = s.thrust
|
|
||||||
txm = self.xmin
|
|
||||||
v1 = calc_velocity(s.dx, want, s.maxspd, s.drag)
|
|
||||||
bd, bf = brake_dist(v1, bmx)
|
|
||||||
bx = bd + s.x + v1
|
|
||||||
end
|
|
||||||
if (bx <= txm) return want
|
|
||||||
self.color = 8
|
|
||||||
local overage = bx - txm
|
|
||||||
want -= overage/max(bf,1)
|
|
||||||
if (want < -s.thrust) want = -s.thrust
|
|
||||||
return want
|
|
||||||
end
|
|
||||||
|
|
||||||
function brake_dist(v0, brake_max)
|
|
||||||
local tri_frames = abs(v0\brake_max)
|
|
||||||
local chunks = tri_frames * (tri_frames - 1) >> 1
|
|
||||||
local chunk_zone = chunks * brake_max
|
|
||||||
local overage = abs(v0) - tri_frames * brake_max
|
|
||||||
return (chunk_zone + overage * (tri_frames + 1)) * sgn(v0), (overage > 0) and tri_frames + 1 or tri_frames
|
|
||||||
end
|
|
||||||
|
|
||||||
function constraints:cycle()
|
|
||||||
if self.ctype=="bounds" then
|
|
||||||
self.ctype="point"
|
|
||||||
elseif self.ctype=="point" then
|
|
||||||
self.ctype="off"
|
|
||||||
else
|
|
||||||
self.ctype="bounds"
|
|
||||||
end
|
|
||||||
self:setup()
|
|
||||||
end
|
|
||||||
|
|
||||||
function constraints:setup()
|
|
||||||
if self.ctype=="point" then
|
|
||||||
self.xmin = 64
|
|
||||||
self.xmax = 64
|
|
||||||
elseif self.ctype=="bounds" then
|
|
||||||
self.xmin = 32
|
|
||||||
self.xmax = 96
|
|
||||||
else
|
|
||||||
self.xmin = nil
|
|
||||||
self.xmax = nil
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function constraints:draw()
|
|
||||||
if (not self.xmin) return
|
|
||||||
rect(self.xmin, self.ymin, self.xmax, self.ymax, self.color)
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- fx
|
|
||||||
|
|
||||||
-- todo: spark ring buffer
|
|
||||||
|
|
||||||
__gfx__
|
|
||||||
000000008000000000080000a000a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000006666000080000009090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000067777600800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000675555758008888009090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
000000006750007508000000a000a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000067777500080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000005555000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
@@ -1 +0,0 @@
|
|||||||
Trans rights.
|
|
||||||
@@ -1,495 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
-- prof: cpu cycle counter v1.4
|
|
||||||
-- BY PANCELOR
|
|
||||||
--[[------------------------
|
|
||||||
|
|
||||||
|
|
||||||
use this cart to precisely
|
|
||||||
measure code execution time
|
|
||||||
|
|
||||||
--------------------------------
|
|
||||||
★ overview ★
|
|
||||||
--------------------------------
|
|
||||||
| tab 0 | usage guide |
|
|
||||||
| tab 1 | (internals) |
|
|
||||||
| tab 2 | your code here |
|
|
||||||
--------------------------------
|
|
||||||
|
|
||||||
|
|
||||||
-----------------------
|
|
||||||
-- ★ usage guide ★ --
|
|
||||||
-----------------------
|
|
||||||
|
|
||||||
|
|
||||||
웃: i have two code snippets;
|
|
||||||
which one is faster?
|
|
||||||
|
|
||||||
🐱: edit the last tab with your
|
|
||||||
snippets, then run the cart.
|
|
||||||
it will tell you precisely
|
|
||||||
how much cpu it takes to
|
|
||||||
run each snippet.
|
|
||||||
|
|
||||||
the results are also copied
|
|
||||||
to your clipboard.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: what do the numbers mean?
|
|
||||||
|
|
||||||
🐱: the cpu cost is reported
|
|
||||||
as lua and system cycle
|
|
||||||
counts. look up stat(1)
|
|
||||||
and stat(2) for more info.
|
|
||||||
|
|
||||||
if you're not sure, just
|
|
||||||
look at the first number.
|
|
||||||
lower is faster (better)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: why "{locals={9}}"
|
|
||||||
in the example?
|
|
||||||
|
|
||||||
🐱: accessing local variables
|
|
||||||
is faster than global vars.
|
|
||||||
|
|
||||||
so if your test involves
|
|
||||||
local variables, simulate
|
|
||||||
this by passing them in:
|
|
||||||
|
|
||||||
prof(function(a)
|
|
||||||
sqrt(a)
|
|
||||||
end,{ locals={9} })
|
|
||||||
|
|
||||||
/!\ /!\ /!\ /!\
|
|
||||||
local values from outside
|
|
||||||
the current scope are also
|
|
||||||
slower to access! example:
|
|
||||||
|
|
||||||
global = 4
|
|
||||||
local outer = 4
|
|
||||||
prof(function(x)
|
|
||||||
local _ = x --fast
|
|
||||||
end,function(x)
|
|
||||||
local _ = outer --slow
|
|
||||||
end,function(x)
|
|
||||||
local _ = global --slow
|
|
||||||
end,{ locals={4} })
|
|
||||||
/!\ /!\ /!\ /!\
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: can i do "prof(myfunc)"?
|
|
||||||
|
|
||||||
🐱: no, this sometimes gives
|
|
||||||
wrong results! always use
|
|
||||||
inline functions:
|
|
||||||
|
|
||||||
prof(function()
|
|
||||||
--code for myfunc here
|
|
||||||
end)
|
|
||||||
|
|
||||||
as an example, "prof(sin)"
|
|
||||||
reports "-2" -- wrong! but
|
|
||||||
"prof(function()sin()end)"
|
|
||||||
correctly reports "4"
|
|
||||||
|
|
||||||
(see the technical notes at
|
|
||||||
the start of the next tab
|
|
||||||
for a brief explanation.
|
|
||||||
technically, "prof(myfunc)"
|
|
||||||
will work if myfunc was made
|
|
||||||
by the user, but you will
|
|
||||||
risk confusing yourself)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
---------------
|
|
||||||
★ method 2 ★
|
|
||||||
---------------
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this cart is based on
|
|
||||||
code by samhocevar:
|
|
||||||
https://www.lexaloffle.com/bbs/?pid=60198#p
|
|
||||||
|
|
||||||
if you do this method, be very
|
|
||||||
careful with local/global vars.
|
|
||||||
it's very easy to accidentally
|
|
||||||
measure the wrong thing.
|
|
||||||
|
|
||||||
here's an example of how to
|
|
||||||
measure cycles (ignoring this
|
|
||||||
cart and using the old method)
|
|
||||||
|
|
||||||
function _init()
|
|
||||||
local a=11.2 -- locals
|
|
||||||
|
|
||||||
local n=1024
|
|
||||||
flip()
|
|
||||||
local tot1,sys1=stat(1),stat(2)
|
|
||||||
for i=1,n do end --calibrate
|
|
||||||
local tot2,sys2=stat(1),stat(2)
|
|
||||||
for i=1,n do local _=sqrt(a) end --measure
|
|
||||||
local tot3,sys3=stat(1),stat(2)
|
|
||||||
|
|
||||||
function cyc(t0,t1,t2) return ((t2-t1)-(t1-t0))*128/n*256/stat(8)*256 end
|
|
||||||
local lua = cyc(tot1-sys1,tot2-sys2,tot3-sys3)
|
|
||||||
local sys = cyc(sys1,sys2,sys3)
|
|
||||||
print(lua.."+"..sys.."="..(lua+sys).." (lua+sys)")
|
|
||||||
end
|
|
||||||
|
|
||||||
run this once, see the results,
|
|
||||||
then change the "measure" line
|
|
||||||
to some other code you want
|
|
||||||
to measure.
|
|
||||||
|
|
||||||
note: wrapping the code inside
|
|
||||||
"_init()" is required, otherwise
|
|
||||||
builtin functions like "sin"
|
|
||||||
will be measured wrong.
|
|
||||||
(the reason is explained at
|
|
||||||
the start of the next tab)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
---------------
|
|
||||||
★ method 3 ★
|
|
||||||
---------------
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
another way to measure cpu cost
|
|
||||||
is to run something like this:
|
|
||||||
|
|
||||||
function _draw()
|
|
||||||
cls(1)
|
|
||||||
local x=9
|
|
||||||
for i=1,1000 do
|
|
||||||
local a=sqrt(x) --snippet1
|
|
||||||
-- local b=x^0.5 --snippet2
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
while running, press ctrl-p to
|
|
||||||
see the performance monitor.
|
|
||||||
the middle number shows how much
|
|
||||||
of cpu is being used, as a
|
|
||||||
fraction. (0.60 = 60% used)
|
|
||||||
|
|
||||||
now, change the comments on the
|
|
||||||
two code snippets inside _draw()
|
|
||||||
and re-run. compare the new
|
|
||||||
result with the old to determine
|
|
||||||
which snippet is faster.
|
|
||||||
|
|
||||||
note: every loop iteration costs
|
|
||||||
an additional 2 cycles, so the
|
|
||||||
ratio of the two fractions will
|
|
||||||
not match the ratio of the
|
|
||||||
execution time of the snippets.
|
|
||||||
but this method can quickly tell
|
|
||||||
you which snippet is faster.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
]]
|
|
||||||
|
|
||||||
-->8
|
|
||||||
--[[ profiler.lua
|
|
||||||
more info: https://www.lexaloffle.com/bbs/?tid=46117
|
|
||||||
|
|
||||||
usage:
|
|
||||||
prof(function()
|
|
||||||
memcpy(0,0x200,64)
|
|
||||||
end,function()
|
|
||||||
poke4(0,peek4(0x200,16))
|
|
||||||
end)
|
|
||||||
|
|
||||||
passing locals:
|
|
||||||
prof(
|
|
||||||
function(a,b)
|
|
||||||
local c=(a+1)*(b+1)-1
|
|
||||||
end,
|
|
||||||
function(a,b)
|
|
||||||
local c=a*b+a+b
|
|
||||||
end,
|
|
||||||
{locals={3,5}}
|
|
||||||
)
|
|
||||||
|
|
||||||
getting global/local variables exactly right
|
|
||||||
is very tricky; you should always use inline
|
|
||||||
functions like above; if you try e.g. prof(sin)
|
|
||||||
the results will be wrong.
|
|
||||||
|
|
||||||
|
|
||||||
# minutiae / notes to self:
|
|
||||||
---------------------------
|
|
||||||
doing this at top-level is awkward:
|
|
||||||
for _=1,n do end -- calibrate
|
|
||||||
for _=1,n do sin() end -- measure
|
|
||||||
b/c sin is secretly local at top-level,
|
|
||||||
so it gives a misleading result (3 cycles).
|
|
||||||
do it inside _init instead for a
|
|
||||||
more representative result (4 cycles).
|
|
||||||
|
|
||||||
## separate issue:
|
|
||||||
------------------
|
|
||||||
if you call prof(sin), it gives the wrong result (-2 cycles) because
|
|
||||||
it's comparing sin() against noop() (not truly nothing).
|
|
||||||
but we want the noop() there for normal inline prof() calls,
|
|
||||||
to avoid measuring the cost of the indirection
|
|
||||||
(calling func() from inside prof() is irrelevant to
|
|
||||||
how cpu-expensive func()'s body is)
|
|
||||||
]]
|
|
||||||
|
|
||||||
-- prof(fn1,fn2,...,fnN,[opts])
|
|
||||||
--
|
|
||||||
-- opts.locals: values to pass
|
|
||||||
-- opts.name: text label
|
|
||||||
-- opts.n: number of iterations
|
|
||||||
function prof(...)
|
|
||||||
local funcs={...}
|
|
||||||
local opts=type(funcs[#funcs])=="table" and deli(funcs) or {}
|
|
||||||
|
|
||||||
-- build output string
|
|
||||||
local msg=""
|
|
||||||
local function log(s)
|
|
||||||
msg..=s.."\n"
|
|
||||||
end
|
|
||||||
|
|
||||||
if opts.name then
|
|
||||||
log("prof: "..opts.name)
|
|
||||||
end
|
|
||||||
for fn in all(funcs) do
|
|
||||||
local dat=prof_one(fn,opts)
|
|
||||||
log(sub(" "..dat.total,-3)
|
|
||||||
.." ("
|
|
||||||
..dat.lua
|
|
||||||
.." lua, "
|
|
||||||
..dat.sys
|
|
||||||
.." sys)")
|
|
||||||
end
|
|
||||||
|
|
||||||
-- copy to clipboard
|
|
||||||
printh(msg,"@clip")
|
|
||||||
-- print + pause
|
|
||||||
cls()
|
|
||||||
stop(msg)
|
|
||||||
end
|
|
||||||
|
|
||||||
function prof_one(func, opts)
|
|
||||||
opts = opts or {}
|
|
||||||
local n = opts.n or 0x200 --how many times to call func
|
|
||||||
local locals = opts.locals or {} --locals to pass func
|
|
||||||
|
|
||||||
-- we want to type
|
|
||||||
-- local m = 0x80_0000/n
|
|
||||||
-- but 8MHz is too large to fit in a pico-8 number,
|
|
||||||
-- so we do (0x80_0000>>16)/(n>>16) instead
|
|
||||||
-- (n is always an integer, so n>>16 won't lose any bits)
|
|
||||||
local m = 0x80/(n>>16)
|
|
||||||
assert(0x80/m << 16 == n, "n is too small") -- make sure m didn't overflow
|
|
||||||
local fps = stat(8)
|
|
||||||
|
|
||||||
-- given three timestamps (pre-calibration, middle, post-measurement),
|
|
||||||
-- calculate how many more CPU cycles func() took compared to noop()
|
|
||||||
-- derivation:
|
|
||||||
-- T := ((t2-t1)-(t1-t0))/n (frames)
|
|
||||||
-- this is the extra time for each func call, compared to noop
|
|
||||||
-- this is measured in #-of-frames -- it will be a small fraction for most ops
|
|
||||||
-- F := 1/30 (seconds/frame) (or 1/60 if this test is running at 60fps)
|
|
||||||
-- this is just the framerate that the tests run at, not the framerate of your game
|
|
||||||
-- M := 256*256*128 = 0x80_0000 = 8MHz (cycles/second)
|
|
||||||
-- (PICO-8 runs at 8MHz; see https://www.lexaloffle.com/dl/docs/pico-8_manual.html#CPU)
|
|
||||||
-- cycles := T frames * F seconds/frame * M cycles/second
|
|
||||||
-- optimization / working around pico-8's fixed point numbers:
|
|
||||||
-- T2 := T*n = (t2-t1)-(t1-t0)
|
|
||||||
-- M2 := M/n = (M>>16)/(n>>16) := m (e.g. when n is 0x1000, m is 0x800)
|
|
||||||
-- cycles := T2*M2*F
|
|
||||||
local function cycles(t0,t1,t2)
|
|
||||||
local diff = (t2-t1)-(t1-t0)
|
|
||||||
local e1 = "must use inline functions -- see usage guide"
|
|
||||||
assert(0<=diff,e1)
|
|
||||||
local thresh = 0x7fff.ffff/(m/fps)
|
|
||||||
local e2 = "code is too large or slow -- try profiling manually with stat(1)"
|
|
||||||
assert(diff<=thresh,e2)
|
|
||||||
return diff*(m/fps)
|
|
||||||
end
|
|
||||||
|
|
||||||
local noop = function() end -- this must be local, because func is local
|
|
||||||
flip() --avoid flipping mid-measurement
|
|
||||||
local atot,asys=stat(1),stat(2)
|
|
||||||
for _=1,n do noop(unpack(locals)) end -- calibrate
|
|
||||||
local btot,bsys=stat(1),stat(2)
|
|
||||||
for _=1,n do func(unpack(locals)) end -- measure
|
|
||||||
local ctot,csys=stat(1),stat(2)
|
|
||||||
|
|
||||||
-- gather results
|
|
||||||
local tot=cycles(atot,btot,ctot)
|
|
||||||
local sys=cycles(asys,bsys,csys)
|
|
||||||
return {
|
|
||||||
lua=tot-sys,
|
|
||||||
sys=sys,
|
|
||||||
total=tot,
|
|
||||||
}
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- your code here
|
|
||||||
|
|
||||||
--edit me:
|
|
||||||
prof(function(b1,b2)
|
|
||||||
return
|
|
||||||
b1[1]<=b2[3]
|
|
||||||
and b1[2]<=b2[4]
|
|
||||||
and b1[3]>=b2[1]
|
|
||||||
and b1[4]>=b2[2]
|
|
||||||
end,function(b1, b2)
|
|
||||||
return
|
|
||||||
b1.x1<=b2.x2
|
|
||||||
and b1.y1<=b2.y2
|
|
||||||
and b1.x2>=b2.x1
|
|
||||||
and b1.y2>=b2.y1
|
|
||||||
end,{ locals={{1,1,1,1,x1=1,x2=1,y1=1,y2=1},{1,1,1,1,x1=1,x2=1,y1=1,y2=1}} })
|
|
||||||
|
|
||||||
-- "locals" (optional) are
|
|
||||||
-- passed in as args. see the
|
|
||||||
-- usage guide for details.
|
|
||||||
|
|
||||||
__label__
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
00000060060000006060666000000060000060006000606060600600006000600060006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006660000000006660000000006660000006006660066060600000660066606600060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
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||||||
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|
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|
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||||||
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|
|
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
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|
|
||||||
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|
|
||||||
|
|
||||||
__sfx__
|
|
||||||
030100003052500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505
|
|
||||||
229
collisiontest.p8
229
collisiontest.p8
@@ -1,229 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
bx0=0
|
|
||||||
by0=0
|
|
||||||
bx1=127
|
|
||||||
by1=127
|
|
||||||
lx0=0
|
|
||||||
ly0=0
|
|
||||||
lx1=127
|
|
||||||
ly1=127
|
|
||||||
|
|
||||||
-->8
|
|
||||||
|
|
||||||
function collides()
|
|
||||||
local tmin,tmax=0,1
|
|
||||||
|
|
||||||
local ldx,ldy=lx1-lx0,ly1-ly0
|
|
||||||
|
|
||||||
|
|
||||||
-- x
|
|
||||||
if ldx==0 then
|
|
||||||
if (lx0<bx0 or lx0>bx1) return
|
|
||||||
else
|
|
||||||
local tx0=(bx0-lx0)/ldx
|
|
||||||
local tx1=(bx1-lx0)/ldx
|
|
||||||
if (tx0 > tx1) tx0,tx1=tx1,tx0
|
|
||||||
if (tmin < tx0) tmin=tx0
|
|
||||||
if (tmax > tx1) tmax=tx1
|
|
||||||
end
|
|
||||||
|
|
||||||
if ldy==0 then
|
|
||||||
if (ly0<by0 or ly0>by1) return
|
|
||||||
else
|
|
||||||
local ty0=(by0-ly0)/ldy
|
|
||||||
local ty1=(by1-ly0)/ldy
|
|
||||||
if (ty0 > ty1) ty0,ty1=ty1,ty0
|
|
||||||
if (tmin < ty0) tmin=ty0
|
|
||||||
if (tmax > ty1) tmax=ty1
|
|
||||||
end
|
|
||||||
|
|
||||||
if (tmax < tmin) return
|
|
||||||
return tmin,tmax
|
|
||||||
end
|
|
||||||
|
|
||||||
|
|
||||||
-->8
|
|
||||||
function _init()
|
|
||||||
poke(0x5f2d,1) -- enable mouse
|
|
||||||
end
|
|
||||||
|
|
||||||
function _bounce_screen(x)
|
|
||||||
return _bounce(x*128,128)
|
|
||||||
end
|
|
||||||
function _bounce(x,mx)
|
|
||||||
x=x%(mx * 2)
|
|
||||||
if (x>=mx)return mx-(x-mx)
|
|
||||||
return x
|
|
||||||
end
|
|
||||||
|
|
||||||
function _to_halfopen(x0,x1)
|
|
||||||
-- turn two numbers into a
|
|
||||||
-- half-open integer range
|
|
||||||
x0=flr(x0)
|
|
||||||
x1=flr(x1)
|
|
||||||
local lo=min(x0,x1)
|
|
||||||
local hi=max(x0,x1)
|
|
||||||
if (hi==lo) return lo,hi
|
|
||||||
return lo,hi-1
|
|
||||||
end
|
|
||||||
|
|
||||||
function _update60()
|
|
||||||
local t=time()/16
|
|
||||||
|
|
||||||
local bx0_=_bounce_screen(t*1)
|
|
||||||
local by0_=_bounce_screen(t*2)
|
|
||||||
local bx1_=_bounce_screen(t*3)
|
|
||||||
local by1_=_bounce_screen(t*4)
|
|
||||||
|
|
||||||
bx0,bx1=_to_halfopen(bx0_,bx1_)
|
|
||||||
by0,by1=_to_halfopen(by0_,by1_)
|
|
||||||
|
|
||||||
update_line()
|
|
||||||
|
|
||||||
--[[
|
|
||||||
local lx0_=_bounce_screen(t*1.5)
|
|
||||||
local ly0_=_bounce_screen(t*2.5)
|
|
||||||
local lx1_=_bounce_screen(t*3.5)
|
|
||||||
local ly1_=_bounce_screen(t*4.5)
|
|
||||||
|
|
||||||
lx0,lx1=lx0_,lx1_
|
|
||||||
ly0,ly1=ly0_,ly1_
|
|
||||||
]]--
|
|
||||||
end
|
|
||||||
|
|
||||||
was_down=false
|
|
||||||
last_mx,last_my=nil,nil
|
|
||||||
|
|
||||||
function update_line()
|
|
||||||
local mx,my=stat(32),stat(33)
|
|
||||||
local is_down=stat(34)!=0
|
|
||||||
|
|
||||||
if is_down then
|
|
||||||
if was_down then
|
|
||||||
lx1,ly1=mx,my
|
|
||||||
else
|
|
||||||
lx0,ly0=mx,my
|
|
||||||
end
|
|
||||||
end
|
|
||||||
was_down=is_down
|
|
||||||
last_mx,last_my=mx,my
|
|
||||||
end
|
|
||||||
-->8
|
|
||||||
function _draw()
|
|
||||||
cls(0)
|
|
||||||
rect(bx0,by0,bx1,by1,6)
|
|
||||||
--quickzot(lx1,ly1,2,lx1-lx0,ly1-ly0,10,9,8)
|
|
||||||
linefill(lx0, ly0, lx1, ly1, 2, 9)
|
|
||||||
line(lx0,ly0,lx1,ly1,2)
|
|
||||||
local cmin, cmax = collides()
|
|
||||||
if cmin then
|
|
||||||
local dx,dy=lx1-lx0,ly1-ly0
|
|
||||||
line(lx0 + dx*cmin,
|
|
||||||
ly0 + dy*cmin,
|
|
||||||
lx0 + dx*cmax,
|
|
||||||
ly0 + dy*cmax,
|
|
||||||
11)
|
|
||||||
pset(lx0 + dx*cmin,
|
|
||||||
ly0 + dy*cmin,
|
|
||||||
12)
|
|
||||||
end
|
|
||||||
|
|
||||||
pset(last_mx,last_my,7)
|
|
||||||
end
|
|
||||||
-->8
|
|
||||||
function zot_one(x, y, r, ir, dx, dy, hot, warm)
|
|
||||||
local x0, y0 = x-dx, y-dy
|
|
||||||
local rx,ry,irx,iry=r*sgn(dx),r*sgn(dy),ir*sgn(dx),ir*sgn(dy)
|
|
||||||
if warm then
|
|
||||||
line(x0+irx,y0-ry,x+rx,y-iry,warm)
|
|
||||||
line(x0-rx,y0+iry,x-irx,y+ry,warm)
|
|
||||||
--line(x0-rx,y0-ry,x+rx,y+ry,warm)
|
|
||||||
end
|
|
||||||
line(x0,y0,x+rx,y-iry,hot)
|
|
||||||
line(x0,y0,x-irx,y+ry,hot)
|
|
||||||
--line(x0,y0,x+rx,y+ry,hot)
|
|
||||||
end
|
|
||||||
|
|
||||||
function zot(x,y,r,dx,dy,hot,warm,cold)
|
|
||||||
local x0,y0,sdx,sdy=x-dx,y-dy,sgn(dx),sgn(dy)
|
|
||||||
local rx,ry=r*sdx,r*sdy
|
|
||||||
if cold then
|
|
||||||
rectfill(x0-rx,y0-ry,x0+rx,y0+ry,cold)
|
|
||||||
local sdxh,sdyh=sdx/2,sdy/2
|
|
||||||
line(x0-rx-sdxh,y0+ry+sdyh,x-rx,y+ry,cold)
|
|
||||||
line(x0+rx+sdxh,y0-ry-sdyh,x+rx,y-ry,cold)
|
|
||||||
end
|
|
||||||
for i=-r,r do
|
|
||||||
line(x0+i*sdx,y0-ry,x+rx,y-i*sdy,warm)
|
|
||||||
line(x0-rx,y0+i*sdy,x-i*sdx,y+ry,warm)
|
|
||||||
end
|
|
||||||
for i=-r,r do
|
|
||||||
line(x0,y0,x+rx,y-i*sdy,hot)
|
|
||||||
line(x0,y0,x-i*sdx,y+ry,hot)
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function quickzot(x,y,r,dx,dy,hot,warm,cold)
|
|
||||||
local x0, y0, r2 = x-dx, y-dy, r/2
|
|
||||||
rectfill(x0-0.5-r2, y0-0.5-r2, x0+r2+0.5, y0+r2+0.5, cold)
|
|
||||||
local a = atan2(dx,dy)-0.25
|
|
||||||
local tdx,tdy=cos(a), sin(a)
|
|
||||||
for i=-r*0.65,r*0.65,0.65 do
|
|
||||||
line(x0+i*tdx, y0+i*tdy, x+i*tdx, y+i*tdy, warm)
|
|
||||||
end
|
|
||||||
rectfill(x-r2,y-r2,x+r2,y+r2,hot)
|
|
||||||
end
|
|
||||||
|
|
||||||
-- linefill x0 y0 x1 y1 r [col]
|
|
||||||
-- draw a thicc line
|
|
||||||
-- https://www.lexaloffle.com/bbs/?tid=39016
|
|
||||||
function linefill(ax,ay,bx,by,r,c)
|
|
||||||
if(c) color(c)
|
|
||||||
local dx,dy=bx-ax,by-ay
|
|
||||||
-- avoid overflow
|
|
||||||
-- credits: https://www.lexaloffle.com/bbs/?tid=28999
|
|
||||||
local d,n = abs(dx),abs(dy)
|
|
||||||
if (d<n) d,n=n,d
|
|
||||||
n/=d
|
|
||||||
d*=sqrt(n*n+1)
|
|
||||||
if(d<0.001) return
|
|
||||||
local ca,sa=dx/d,-dy/d
|
|
||||||
|
|
||||||
-- polygon points
|
|
||||||
local s={
|
|
||||||
{0,-r},{d,-r},{d,r},{0,r}
|
|
||||||
}
|
|
||||||
local u,v,spans=s[4][1],s[4][2],{}
|
|
||||||
local x0,y0=ax+u*ca+v*sa,ay-u*sa+v*ca
|
|
||||||
for i=1,4 do
|
|
||||||
local u,v=unpack(s[i])
|
|
||||||
local x1,y1=ax+u*ca+v*sa,ay-u*sa+v*ca
|
|
||||||
local _x1,_y1=x1,y1
|
|
||||||
if(y0>y1) x0,y0,x1,y1=x1,y1,x0,y0
|
|
||||||
local dx=(x1-x0)/(y1-y0)
|
|
||||||
if(y0<0) x0-=y0*dx y0=-1
|
|
||||||
local cy0=y0\1+1
|
|
||||||
-- sub-pix shift
|
|
||||||
x0+=(cy0-y0)*dx
|
|
||||||
for y=y0\1+1,min(y1\1,127) do
|
|
||||||
-- open span?
|
|
||||||
local span=spans[y]
|
|
||||||
if span then
|
|
||||||
rectfill(x0,y,span,y)
|
|
||||||
else
|
|
||||||
spans[y]=x0
|
|
||||||
end
|
|
||||||
x0+=dx
|
|
||||||
end
|
|
||||||
x0,y0=_x1,_y1
|
|
||||||
end
|
|
||||||
end
|
|
||||||
__gfx__
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
@@ -75,7 +75,7 @@ function updategame()
|
|||||||
edeaths = {}
|
edeaths = {}
|
||||||
for ip, ps in ipairs(pships) do
|
for ip, ps in ipairs(pships) do
|
||||||
for ie, eb in ipairs(ebullets) do
|
for ie, eb in ipairs(ebullets) do
|
||||||
if collides(hurtbox(ps), hurtbox(eb)) then
|
if collides(hurtobx(ps), hurtbox(eb)) then
|
||||||
if (eb:hitship(ps)) add(edeaths, ie)
|
if (eb:hitship(ps)) add(edeaths, ie)
|
||||||
if ps:hitbullet(eb) then
|
if ps:hitbullet(eb) then
|
||||||
add(pdeaths, ip)
|
add(pdeaths, ip)
|
||||||
|
|||||||
2162
last_tyrianlike.p8
2162
last_tyrianlike.p8
File diff suppressed because it is too large
Load Diff
245
magnitest.p8
245
magnitest.p8
@@ -1,245 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
--magnitest.p8
|
|
||||||
--accuracy and perf tests for
|
|
||||||
--vector calculation logic
|
|
||||||
|
|
||||||
-- profiler says 67 cycles
|
|
||||||
-- 39 lua, 28 system
|
|
||||||
function bbs28999alg(dx, dy)
|
|
||||||
local d = max(abs(dx),abs(dy))
|
|
||||||
local n = min(abs(dx),abs(dy)) / d
|
|
||||||
return sqrt(n*n + 1) * d
|
|
||||||
end
|
|
||||||
|
|
||||||
-- profiler says 56 cycles
|
|
||||||
-- 24 lua, 32 system
|
|
||||||
function bbs28999algopt(dx, dy)
|
|
||||||
local d,n=abs(dx),abs(dy)
|
|
||||||
if (d<n) d,n=n,d
|
|
||||||
n/=d
|
|
||||||
return (n*n + 1)^0.5 * d
|
|
||||||
end
|
|
||||||
|
|
||||||
-- profiler says 54 cycles
|
|
||||||
-- 26 lua, 28 system
|
|
||||||
function bbs28999algopt2(dx, dy)
|
|
||||||
local d,n=abs(dx),abs(dy)
|
|
||||||
if (d<n) d,n=n,d
|
|
||||||
n/=d
|
|
||||||
return sqrt(n*n + 1) * d
|
|
||||||
end
|
|
||||||
|
|
||||||
|
|
||||||
-- profiler says 18 cycles
|
|
||||||
-- 18 lua, 0 system
|
|
||||||
function trigalg(dx, dy)
|
|
||||||
local s = sin(atan2(dx,dy))
|
|
||||||
if (s==0) return abs(dx)
|
|
||||||
return abs(dy/s)
|
|
||||||
end
|
|
||||||
-->8
|
|
||||||
function _init()
|
|
||||||
gdx,gdy=0,0
|
|
||||||
acc=1
|
|
||||||
magnitude = 1
|
|
||||||
tresult=0
|
|
||||||
bresult=0
|
|
||||||
delta=0
|
|
||||||
dp=0
|
|
||||||
end
|
|
||||||
|
|
||||||
function _update60()
|
|
||||||
if (btn(0)) gdx -= acc
|
|
||||||
if (btn(1)) gdx += acc
|
|
||||||
if (btn(2)) gdy -= acc
|
|
||||||
if (btn(3)) gdy += acc
|
|
||||||
if (btn(4) and btn(5)) gdx,gdy=0,0
|
|
||||||
gdx=mid(-16000,16000,gdx)
|
|
||||||
gdy=mid(-16000,16000,gdy)
|
|
||||||
|
|
||||||
if btn() == 0 or btn(4) then
|
|
||||||
acc = 1
|
|
||||||
elseif btn(5) then
|
|
||||||
acc *= 1.05
|
|
||||||
else
|
|
||||||
acc *= 1.02
|
|
||||||
end
|
|
||||||
if (acc > 1024) acc=1024
|
|
||||||
|
|
||||||
local a,b=abs(gdx),abs(gdy)
|
|
||||||
if (b>a) a,b=b,a
|
|
||||||
magnitude = 1
|
|
||||||
while magnitude < a/64 do
|
|
||||||
magnitude *= 2
|
|
||||||
end
|
|
||||||
|
|
||||||
bresult=bbs28999algopt2(gdx,gdy)
|
|
||||||
tresult=trigalg(gdx,gdy)
|
|
||||||
delta=tresult-bresult
|
|
||||||
dp=(2*abs(delta)/abs(abs(bresult)+abs(tresult)))*100
|
|
||||||
if (delta == 0) dp=0
|
|
||||||
end
|
|
||||||
|
|
||||||
cols = {
|
|
||||||
6,7,
|
|
||||||
[4]=10,
|
|
||||||
[8]=9,
|
|
||||||
[16]=4,
|
|
||||||
[32]=14,
|
|
||||||
[64]=15,
|
|
||||||
[128]=11,
|
|
||||||
[256]=12,
|
|
||||||
[512]=13,
|
|
||||||
[1024]=8,
|
|
||||||
}
|
|
||||||
|
|
||||||
function _draw()
|
|
||||||
cls()
|
|
||||||
camera()
|
|
||||||
print("x: "..tostr(gdx).." y: "..tostr(gdy).."\nbase: "..tostr(bresult).."\ntrig: "..tostr(tresult).."\n\ndiff: "..tostr(delta).."\n %:"..tostr(dp),0,0,13)
|
|
||||||
print("⬆️⬇️⬅️➡️:move ❎:fast 🅾️:slow\n❎+🅾️:reset position",0,117,12)
|
|
||||||
camera(-63,-63)
|
|
||||||
line(0,0,gdx/magnitude,gdy/magnitude,cols[magnitude] or 2)
|
|
||||||
rectfill(0,0,gdx/magnitude,0,5)
|
|
||||||
rectfill(0,0,0,gdy/magnitude,5)
|
|
||||||
end
|
|
||||||
|
|
||||||
__gfx__
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
__label__
|
|
||||||
d0d000000000ddd0ddd0ddd0d0d00000ddd0d0d0ddd0ddd000000000d0d0000000000000dd00dd00ddd0ddd00000ddd0ddd0ddd0ddd000000000000000000000
|
|
||||||
d0d00d00000000d000d0d000d0d00000d0d0d0d000d000d000000000d0d00d00000000000d000d0000d0d0000000d0d0d000d000d00000000000000000000000
|
|
||||||
0d00000000000dd000d0ddd0ddd00000d0d0ddd0ddd000d000000000ddd000000000ddd00d000d00ddd0ddd00000ddd0ddd0ddd0ddd000000000000000000000
|
|
||||||
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||||||
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|
||||||
|
|
||||||
BIN
magnitest.p8.png
BIN
magnitest.p8.png
Binary file not shown.
|
Before Width: | Height: | Size: 4.6 KiB |
356
old_readme.md
356
old_readme.md
@@ -1,356 +0,0 @@
|
|||||||
This file contains text that used to be in the cartridge itself, but
|
|
||||||
I'm getting increasingly anxious about cartridge space so I'm moving
|
|
||||||
it out ot a separate file.
|
|
||||||
|
|
||||||
---
|
|
||||||
|
|
||||||
main loop sequence
|
|
||||||
==================
|
|
||||||
1. level_frame
|
|
||||||
2. events
|
|
||||||
3. merge new_events into events
|
|
||||||
4. update bg intangibles
|
|
||||||
5. move ships (player first)
|
|
||||||
6. move bullets (player first)
|
|
||||||
7. calculate collisions
|
|
||||||
1. pship on eship
|
|
||||||
2. ebullet on pship
|
|
||||||
3. pbullet on eship
|
|
||||||
8. update fg intangibles
|
|
||||||
9. check for end of level
|
|
||||||
|
|
||||||
draw order
|
|
||||||
----------
|
|
||||||
bottom to top:
|
|
||||||
1. intangibles_bg
|
|
||||||
2. player bullets
|
|
||||||
3. player ships
|
|
||||||
4. enemy ships
|
|
||||||
5. enemy bullets
|
|
||||||
6. intangibles_fg
|
|
||||||
|
|
||||||
notes
|
|
||||||
-----
|
|
||||||
intangibles_fg move()s after
|
|
||||||
all collisions and other moves
|
|
||||||
are processed. if an intangible
|
|
||||||
is added to the list as a result
|
|
||||||
of a collision or move, it will
|
|
||||||
itself be move()d before it is
|
|
||||||
drawn.
|
|
||||||
|
|
||||||
data-driven items
|
|
||||||
=================
|
|
||||||
guns and bullets both allow the
|
|
||||||
most common behaviors to be
|
|
||||||
expressed with data alone.
|
|
||||||
ships only need a movement
|
|
||||||
algorithm expressed.
|
|
||||||
|
|
||||||
guns
|
|
||||||
----
|
|
||||||
* t - metatable for bullet type.
|
|
||||||
fired once in the bullet's
|
|
||||||
default direction per shot.
|
|
||||||
* enemy - if true, fired bullets
|
|
||||||
are flagged as enemy bullets.
|
|
||||||
* icon - sprite index of an
|
|
||||||
8x8 sprite to display in the
|
|
||||||
hud when the player has this
|
|
||||||
gun. default is 20, a generic
|
|
||||||
crosshair bullseye thing.
|
|
||||||
* cooldown - min frames between
|
|
||||||
shots.
|
|
||||||
* ammo, maxammo - permitted
|
|
||||||
number of shots. 0 is empty
|
|
||||||
and unfireable. maxammo = 0
|
|
||||||
will cause a divide by zero
|
|
||||||
so don't do that. if nil,
|
|
||||||
ammo is infinite.
|
|
||||||
|
|
||||||
default guns manage ammo and
|
|
||||||
cooldown in shoot, then call
|
|
||||||
actually_shoot to create the
|
|
||||||
projectile. override only
|
|
||||||
actually_shoot to change
|
|
||||||
projectile logic while keeping
|
|
||||||
cooldown and ammo logic.
|
|
||||||
|
|
||||||
bullets
|
|
||||||
-------
|
|
||||||
* dx, dy - movement per frame.
|
|
||||||
player bullets use -dy
|
|
||||||
instead.
|
|
||||||
* enemyspd - multiplier for dx
|
|
||||||
and dy on enemy bullets.
|
|
||||||
default is 0.5, making enemy
|
|
||||||
shots much easier to dodge
|
|
||||||
* damage - damage per hit;
|
|
||||||
used by ships
|
|
||||||
* sprite - sprite index.
|
|
||||||
* x_off, y_off - renamed for
|
|
||||||
the next two vars. may revert
|
|
||||||
* center_off_x - the horizontal
|
|
||||||
centerpoint of the bullet,
|
|
||||||
for positioning when firing.
|
|
||||||
assume a pixel's coordinates
|
|
||||||
refer to the upper left corner
|
|
||||||
of the pixel; the center of
|
|
||||||
a 2-width bullet with an
|
|
||||||
upper left corner at 0 is 1,
|
|
||||||
not 0.5.
|
|
||||||
* top_off_y, bottom_off_y -
|
|
||||||
also for positioning when
|
|
||||||
firing. positive distance from
|
|
||||||
top or bottom edge to image.
|
|
||||||
top_off_y will usually be 0,
|
|
||||||
bottom_off_y will not be when
|
|
||||||
bullets are smaller than
|
|
||||||
the sprite box.
|
|
||||||
* width, height - measured in
|
|
||||||
full sprites (8x8 boxes), not
|
|
||||||
pixels. used for drawing.
|
|
||||||
|
|
||||||
bullets despawn when above or
|
|
||||||
below the screen (player or
|
|
||||||
enemy bullets, respectively).
|
|
||||||
|
|
||||||
by default, bullets despawn
|
|
||||||
when they hit something.
|
|
||||||
override hitship to change this.
|
|
||||||
|
|
||||||
ships
|
|
||||||
____
|
|
||||||
|
|
||||||
ships move by calculating
|
|
||||||
momentum, then offsetting their
|
|
||||||
position by that momentum, then
|
|
||||||
clamping their position to the
|
|
||||||
screen (horizontally only for
|
|
||||||
ships that autoscroll). ships
|
|
||||||
that autoscroll (slip==true)
|
|
||||||
then slide down by scrollspeed.
|
|
||||||
fractional coordinates are ok.
|
|
||||||
after movement, ships lose
|
|
||||||
momentum (ship.drag along each
|
|
||||||
axis). abs(momentum) can't
|
|
||||||
exceed ship.maxspeed.
|
|
||||||
|
|
||||||
ships gain momentum by acting
|
|
||||||
like a player pushing buttons.
|
|
||||||
the player ship actually reads
|
|
||||||
buttons for this.
|
|
||||||
|
|
||||||
act -- returns new acceleration:
|
|
||||||
dx, dy, shoot_spec, shoot_main.
|
|
||||||
dx and dy are change in momentum
|
|
||||||
in px/frame. this is controls
|
|
||||||
only -- friction is handled in
|
|
||||||
ship:move (`drag` value).
|
|
||||||
|
|
||||||
ships hitting another ship take
|
|
||||||
1 damage per frame of overlap.
|
|
||||||
ships hitting a bullet check
|
|
||||||
bullet.damage to find out how
|
|
||||||
much damage they take. damage
|
|
||||||
is applied to shields, then hp.
|
|
||||||
damaged ships flash briefly -
|
|
||||||
blue (12) if all damage was
|
|
||||||
shielded, white (7) if hp was
|
|
||||||
damaged. a ship that then has 0
|
|
||||||
or less hp calls self:die() and
|
|
||||||
tells the main game loop to
|
|
||||||
remove it.
|
|
||||||
|
|
||||||
shieldcooldown is the interval
|
|
||||||
between restoring shield points.
|
|
||||||
shieldpenalty is the delay
|
|
||||||
before restoring points after
|
|
||||||
any damage, reset to this value
|
|
||||||
on every damaging hit (whether
|
|
||||||
it is absorbed by the shield or
|
|
||||||
not) -- shield behaves like
|
|
||||||
halo and other shooters in its
|
|
||||||
heritage, where it recovers if
|
|
||||||
you avoid damage for a while.
|
|
||||||
not that there is any safe cover
|
|
||||||
in this kind of game.
|
|
||||||
|
|
||||||
ships do not repair hp on their
|
|
||||||
own. negative-damage bullets
|
|
||||||
are treated as 0, but a bullet
|
|
||||||
can choose to repair the ship
|
|
||||||
it hits in its own hitship
|
|
||||||
method, or otherwise edit it
|
|
||||||
(changing weapons, refilling
|
|
||||||
weapon ammo). powerups are
|
|
||||||
therefore a kind of bullet.
|
|
||||||
|
|
||||||
levels
|
|
||||||
======
|
|
||||||
|
|
||||||
a level is a table mapping
|
|
||||||
effective frame number to
|
|
||||||
functions. when a level starts,
|
|
||||||
it sets lframe ("level frame")
|
|
||||||
and distance to 0.
|
|
||||||
|
|
||||||
every frame, level_frame
|
|
||||||
increments lframe by 0x0.0001.
|
|
||||||
then if the level is not frozen,
|
|
||||||
it increments distance by 1.0
|
|
||||||
and runs the function in the
|
|
||||||
level table for exactly that
|
|
||||||
frame number (if any). distance
|
|
||||||
is therefore "nonfrozen frames",
|
|
||||||
and is used to trigger level
|
|
||||||
progress. lframe always
|
|
||||||
increments. ships are encouraged
|
|
||||||
to use lframe to control
|
|
||||||
animation and movement, and may
|
|
||||||
use distance to react to level
|
|
||||||
progress separately from overall
|
|
||||||
time. remember to multiply
|
|
||||||
lframe-related stuff by 0x0001.
|
|
||||||
|
|
||||||
a special sentinel value, eol,
|
|
||||||
marks the end of the level.
|
|
||||||
(the level engine doesn't know
|
|
||||||
when it's out of events, so
|
|
||||||
without eol, the level will
|
|
||||||
simply have no events forever.)
|
|
||||||
when it finds eol, level_frame
|
|
||||||
throws away the current level
|
|
||||||
and tells the main loop that it
|
|
||||||
might be done. the main loop
|
|
||||||
agrees the level is over and the
|
|
||||||
player has won when the level
|
|
||||||
has reached eol and there are
|
|
||||||
no more enemy ships, enemy
|
|
||||||
bullets, or background events
|
|
||||||
remaining. player ships, player
|
|
||||||
bullets, and intangibles are
|
|
||||||
not counted.
|
|
||||||
|
|
||||||
level freezing
|
|
||||||
--------------
|
|
||||||
the level is frozen when the
|
|
||||||
global value freeze > 0.
|
|
||||||
generally, something intending
|
|
||||||
to block level progress (a
|
|
||||||
miniboss, a minigame, etc.)
|
|
||||||
increments freeze and prepares
|
|
||||||
some means of decrementing it
|
|
||||||
when it no longer wants to block
|
|
||||||
level progress.
|
|
||||||
|
|
||||||
most commonly, we want to block
|
|
||||||
until some specific ship or
|
|
||||||
group of ships has died. for
|
|
||||||
these ships, override ship:die
|
|
||||||
to decrement freeze. make sure
|
|
||||||
to set ship.dead in any new
|
|
||||||
ship:die method so anything else
|
|
||||||
looking at it can recognize
|
|
||||||
the ship as dead.
|
|
||||||
|
|
||||||
for anything else, you probably
|
|
||||||
want an event to figure out when
|
|
||||||
to unfreeze.
|
|
||||||
|
|
||||||
levels start at 1
|
|
||||||
-----------------
|
|
||||||
|
|
||||||
distance is initialized to 0
|
|
||||||
but gets incremented before the
|
|
||||||
first time the engine looks for
|
|
||||||
events. therefore, the first
|
|
||||||
frame of the level executes
|
|
||||||
level[1]. since levelframe
|
|
||||||
executes before anything else,
|
|
||||||
level[1] sets up the first frame
|
|
||||||
drawn in the level. the player
|
|
||||||
does not see a blank world
|
|
||||||
before level[1] runs.
|
|
||||||
level[1] can therefore be used
|
|
||||||
to reconfigure the player ship,
|
|
||||||
set up backgrounds, start music,
|
|
||||||
kick off some kind of fade-in
|
|
||||||
animation, etc.
|
|
||||||
|
|
||||||
|
|
||||||
events
|
|
||||||
======
|
|
||||||
the global list "events" stores
|
|
||||||
0-argument functions which are
|
|
||||||
called every frame. if they
|
|
||||||
return true, they are removed
|
|
||||||
from the list and not run again;
|
|
||||||
if they return false, they stay
|
|
||||||
and will be called in later
|
|
||||||
frames. the level does not end
|
|
||||||
while the events table is
|
|
||||||
nonempty.
|
|
||||||
|
|
||||||
events are most commonly used
|
|
||||||
to set up something for later
|
|
||||||
(for example, blip uses an event
|
|
||||||
to remove the fx_pallete from
|
|
||||||
the flashing ship when the blip
|
|
||||||
expires), but can also be used
|
|
||||||
to implement a "level within a
|
|
||||||
level" that does something
|
|
||||||
complicated until it's done. if
|
|
||||||
you froze the level when
|
|
||||||
creating the event, remember
|
|
||||||
to thaw it (freeze -= 1) on all
|
|
||||||
paths that return true.
|
|
||||||
|
|
||||||
to do complex stuff in events,
|
|
||||||
use a closure or a metatable
|
|
||||||
that specifies __call.
|
|
||||||
|
|
||||||
to avoid editing the events
|
|
||||||
list while it is being iterated,
|
|
||||||
events that create new events
|
|
||||||
must add those events to
|
|
||||||
new_events rather than events.
|
|
||||||
new_events is only valid during
|
|
||||||
the "event execution" stage, so
|
|
||||||
events created at any other time
|
|
||||||
must go directly on events
|
|
||||||
without using new_events.
|
|
||||||
|
|
||||||
intangibles
|
|
||||||
===========
|
|
||||||
|
|
||||||
the intangibles_fg and
|
|
||||||
intangibles_bg lists contain
|
|
||||||
items with :move and :draw.
|
|
||||||
like ships and bullets, they
|
|
||||||
move during _update60 and
|
|
||||||
draw during _draw. they are
|
|
||||||
not checked for collisions.
|
|
||||||
|
|
||||||
intangibles_bg moves/draws
|
|
||||||
before anything else moves or
|
|
||||||
draws. intangibles_fg
|
|
||||||
moves/draws last. this controls
|
|
||||||
whether your intangible object
|
|
||||||
draws in front of or behind
|
|
||||||
other stuff. you probably want
|
|
||||||
intangibles_bg for decorative
|
|
||||||
elements and intangibles_fg
|
|
||||||
for explosions, score popups,
|
|
||||||
etc.
|
|
||||||
|
|
||||||
there's no scrolling background
|
|
||||||
engine but intangibles_bg could
|
|
||||||
be used to create one, including
|
|
||||||
using the map (otherwise unused
|
|
||||||
in this engine) for the purpose.
|
|
||||||
|
|
||||||
intangibles do not prevent the
|
|
||||||
level from ending. like bullets
|
|
||||||
and ships, if :move returns
|
|
||||||
true, they are dropped.
|
|
||||||
501
profiling.p8
501
profiling.p8
@@ -1,501 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
-- prof: cpu cycle counter v1.4
|
|
||||||
-- BY PANCELOR
|
|
||||||
--[[------------------------
|
|
||||||
|
|
||||||
|
|
||||||
use this cart to precisely
|
|
||||||
measure code execution time
|
|
||||||
|
|
||||||
--------------------------------
|
|
||||||
★ overview ★
|
|
||||||
--------------------------------
|
|
||||||
| tab 0 | usage guide |
|
|
||||||
| tab 1 | (internals) |
|
|
||||||
| tab 2 | your code here |
|
|
||||||
--------------------------------
|
|
||||||
|
|
||||||
|
|
||||||
-----------------------
|
|
||||||
-- ★ usage guide ★ --
|
|
||||||
-----------------------
|
|
||||||
|
|
||||||
|
|
||||||
웃: i have two code snippets;
|
|
||||||
which one is faster?
|
|
||||||
|
|
||||||
🐱: edit the last tab with your
|
|
||||||
snippets, then run the cart.
|
|
||||||
it will tell you precisely
|
|
||||||
how much cpu it takes to
|
|
||||||
run each snippet.
|
|
||||||
|
|
||||||
the results are also copied
|
|
||||||
to your clipboard.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: what do the numbers mean?
|
|
||||||
|
|
||||||
🐱: the cpu cost is reported
|
|
||||||
as lua and system cycle
|
|
||||||
counts. look up stat(1)
|
|
||||||
and stat(2) for more info.
|
|
||||||
|
|
||||||
if you're not sure, just
|
|
||||||
look at the first number.
|
|
||||||
lower is faster (better)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: why "{locals={9}}"
|
|
||||||
in the example?
|
|
||||||
|
|
||||||
🐱: accessing local variables
|
|
||||||
is faster than global vars.
|
|
||||||
|
|
||||||
so if your test involves
|
|
||||||
local variables, simulate
|
|
||||||
this by passing them in:
|
|
||||||
|
|
||||||
prof(function(a)
|
|
||||||
sqrt(a)
|
|
||||||
end,{ locals={9} })
|
|
||||||
|
|
||||||
/!\ /!\ /!\ /!\
|
|
||||||
local values from outside
|
|
||||||
the current scope are also
|
|
||||||
slower to access! example:
|
|
||||||
|
|
||||||
global = 4
|
|
||||||
local outer = 4
|
|
||||||
prof(function(x)
|
|
||||||
local _ = x --fast
|
|
||||||
end,function(x)
|
|
||||||
local _ = outer --slow
|
|
||||||
end,function(x)
|
|
||||||
local _ = global --slow
|
|
||||||
end,{ locals={4} })
|
|
||||||
/!\ /!\ /!\ /!\
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: can i do "prof(myfunc)"?
|
|
||||||
|
|
||||||
🐱: no, this sometimes gives
|
|
||||||
wrong results! always use
|
|
||||||
inline functions:
|
|
||||||
|
|
||||||
prof(function()
|
|
||||||
--code for myfunc here
|
|
||||||
end)
|
|
||||||
|
|
||||||
as an example, "prof(sin)"
|
|
||||||
reports "-2" -- wrong! but
|
|
||||||
"prof(function()sin()end)"
|
|
||||||
correctly reports "4"
|
|
||||||
|
|
||||||
(see the technical notes at
|
|
||||||
the start of the next tab
|
|
||||||
for a brief explanation.
|
|
||||||
technically, "prof(myfunc)"
|
|
||||||
will work if myfunc was made
|
|
||||||
by the user, but you will
|
|
||||||
risk confusing yourself)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
---------------
|
|
||||||
★ method 2 ★
|
|
||||||
---------------
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this cart is based on
|
|
||||||
code by samhocevar:
|
|
||||||
https://www.lexaloffle.com/bbs/?pid=60198#p
|
|
||||||
|
|
||||||
if you do this method, be very
|
|
||||||
careful with local/global vars.
|
|
||||||
it's very easy to accidentally
|
|
||||||
measure the wrong thing.
|
|
||||||
|
|
||||||
here's an example of how to
|
|
||||||
measure cycles (ignoring this
|
|
||||||
cart and using the old method)
|
|
||||||
|
|
||||||
function _init()
|
|
||||||
local a=11.2 -- locals
|
|
||||||
|
|
||||||
local n=1024
|
|
||||||
flip()
|
|
||||||
local tot1,sys1=stat(1),stat(2)
|
|
||||||
for i=1,n do end --calibrate
|
|
||||||
local tot2,sys2=stat(1),stat(2)
|
|
||||||
for i=1,n do local _=sqrt(a) end --measure
|
|
||||||
local tot3,sys3=stat(1),stat(2)
|
|
||||||
|
|
||||||
function cyc(t0,t1,t2) return ((t2-t1)-(t1-t0))*128/n*256/stat(8)*256 end
|
|
||||||
local lua = cyc(tot1-sys1,tot2-sys2,tot3-sys3)
|
|
||||||
local sys = cyc(sys1,sys2,sys3)
|
|
||||||
print(lua.."+"..sys.."="..(lua+sys).." (lua+sys)")
|
|
||||||
end
|
|
||||||
|
|
||||||
run this once, see the results,
|
|
||||||
then change the "measure" line
|
|
||||||
to some other code you want
|
|
||||||
to measure.
|
|
||||||
|
|
||||||
note: wrapping the code inside
|
|
||||||
"_init()" is required, otherwise
|
|
||||||
builtin functions like "sin"
|
|
||||||
will be measured wrong.
|
|
||||||
(the reason is explained at
|
|
||||||
the start of the next tab)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
---------------
|
|
||||||
★ method 3 ★
|
|
||||||
---------------
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
another way to measure cpu cost
|
|
||||||
is to run something like this:
|
|
||||||
|
|
||||||
function _draw()
|
|
||||||
cls(1)
|
|
||||||
local x=9
|
|
||||||
for i=1,1000 do
|
|
||||||
local a=sqrt(x) --snippet1
|
|
||||||
-- local b=x^0.5 --snippet2
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
while running, press ctrl-p to
|
|
||||||
see the performance monitor.
|
|
||||||
the middle number shows how much
|
|
||||||
of cpu is being used, as a
|
|
||||||
fraction. (0.60 = 60% used)
|
|
||||||
|
|
||||||
now, change the comments on the
|
|
||||||
two code snippets inside _draw()
|
|
||||||
and re-run. compare the new
|
|
||||||
result with the old to determine
|
|
||||||
which snippet is faster.
|
|
||||||
|
|
||||||
note: every loop iteration costs
|
|
||||||
an additional 2 cycles, so the
|
|
||||||
ratio of the two fractions will
|
|
||||||
not match the ratio of the
|
|
||||||
execution time of the snippets.
|
|
||||||
but this method can quickly tell
|
|
||||||
you which snippet is faster.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
]]
|
|
||||||
|
|
||||||
-->8
|
|
||||||
--[[ profiler.lua
|
|
||||||
more info: https://www.lexaloffle.com/bbs/?tid=46117
|
|
||||||
|
|
||||||
usage:
|
|
||||||
prof(function()
|
|
||||||
memcpy(0,0x200,64)
|
|
||||||
end,function()
|
|
||||||
poke4(0,peek4(0x200,16))
|
|
||||||
end)
|
|
||||||
|
|
||||||
passing locals:
|
|
||||||
prof(
|
|
||||||
function(a,b)
|
|
||||||
local c=(a+1)*(b+1)-1
|
|
||||||
end,
|
|
||||||
function(a,b)
|
|
||||||
local c=a*b+a+b
|
|
||||||
end,
|
|
||||||
{locals={3,5}}
|
|
||||||
)
|
|
||||||
|
|
||||||
getting global/local variables exactly right
|
|
||||||
is very tricky; you should always use inline
|
|
||||||
functions like above; if you try e.g. prof(sin)
|
|
||||||
the results will be wrong.
|
|
||||||
|
|
||||||
|
|
||||||
# minutiae / notes to self:
|
|
||||||
---------------------------
|
|
||||||
doing this at top-level is awkward:
|
|
||||||
for _=1,n do end -- calibrate
|
|
||||||
for _=1,n do sin() end -- measure
|
|
||||||
b/c sin is secretly local at top-level,
|
|
||||||
so it gives a misleading result (3 cycles).
|
|
||||||
do it inside _init instead for a
|
|
||||||
more representative result (4 cycles).
|
|
||||||
|
|
||||||
## separate issue:
|
|
||||||
------------------
|
|
||||||
if you call prof(sin), it gives the wrong result (-2 cycles) because
|
|
||||||
it's comparing sin() against noop() (not truly nothing).
|
|
||||||
but we want the noop() there for normal inline prof() calls,
|
|
||||||
to avoid measuring the cost of the indirection
|
|
||||||
(calling func() from inside prof() is irrelevant to
|
|
||||||
how cpu-expensive func()'s body is)
|
|
||||||
]]
|
|
||||||
|
|
||||||
-- prof(fn1,fn2,...,fnN,[opts])
|
|
||||||
--
|
|
||||||
-- opts.locals: values to pass
|
|
||||||
-- opts.name: text label
|
|
||||||
-- opts.n: number of iterations
|
|
||||||
function prof(...)
|
|
||||||
local funcs={...}
|
|
||||||
local opts=type(funcs[#funcs])=="table" and deli(funcs) or {}
|
|
||||||
|
|
||||||
-- build output string
|
|
||||||
local msg=""
|
|
||||||
local function log(s)
|
|
||||||
msg..=s.."\n"
|
|
||||||
end
|
|
||||||
|
|
||||||
if opts.name then
|
|
||||||
log("prof: "..opts.name)
|
|
||||||
end
|
|
||||||
for fn in all(funcs) do
|
|
||||||
local dat=prof_one(fn,opts)
|
|
||||||
log(sub(" "..dat.total,-3)
|
|
||||||
.." ("
|
|
||||||
..dat.lua
|
|
||||||
.." lua, "
|
|
||||||
..dat.sys
|
|
||||||
.." sys)")
|
|
||||||
end
|
|
||||||
|
|
||||||
-- copy to clipboard
|
|
||||||
printh(msg,"@clip")
|
|
||||||
-- print + pause
|
|
||||||
cls()
|
|
||||||
stop(msg)
|
|
||||||
end
|
|
||||||
|
|
||||||
function prof_one(func, opts)
|
|
||||||
opts = opts or {}
|
|
||||||
local n = opts.n or 0x200 --how many times to call func
|
|
||||||
local locals = opts.locals or {} --locals to pass func
|
|
||||||
|
|
||||||
-- we want to type
|
|
||||||
-- local m = 0x80_0000/n
|
|
||||||
-- but 8MHz is too large to fit in a pico-8 number,
|
|
||||||
-- so we do (0x80_0000>>16)/(n>>16) instead
|
|
||||||
-- (n is always an integer, so n>>16 won't lose any bits)
|
|
||||||
local m = 0x80/(n>>16)
|
|
||||||
assert(0x80/m << 16 == n, "n is too small") -- make sure m didn't overflow
|
|
||||||
local fps = stat(8)
|
|
||||||
|
|
||||||
-- given three timestamps (pre-calibration, middle, post-measurement),
|
|
||||||
-- calculate how many more CPU cycles func() took compared to noop()
|
|
||||||
-- derivation:
|
|
||||||
-- T := ((t2-t1)-(t1-t0))/n (frames)
|
|
||||||
-- this is the extra time for each func call, compared to noop
|
|
||||||
-- this is measured in #-of-frames -- it will be a small fraction for most ops
|
|
||||||
-- F := 1/30 (seconds/frame) (or 1/60 if this test is running at 60fps)
|
|
||||||
-- this is just the framerate that the tests run at, not the framerate of your game
|
|
||||||
-- M := 256*256*128 = 0x80_0000 = 8MHz (cycles/second)
|
|
||||||
-- (PICO-8 runs at 8MHz; see https://www.lexaloffle.com/dl/docs/pico-8_manual.html#CPU)
|
|
||||||
-- cycles := T frames * F seconds/frame * M cycles/second
|
|
||||||
-- optimization / working around pico-8's fixed point numbers:
|
|
||||||
-- T2 := T*n = (t2-t1)-(t1-t0)
|
|
||||||
-- M2 := M/n = (M>>16)/(n>>16) := m (e.g. when n is 0x1000, m is 0x800)
|
|
||||||
-- cycles := T2*M2*F
|
|
||||||
local function cycles(t0,t1,t2)
|
|
||||||
local diff = (t2-t1)-(t1-t0)
|
|
||||||
local e1 = "must use inline functions -- see usage guide"
|
|
||||||
assert(0<=diff,e1)
|
|
||||||
local thresh = 0x7fff.ffff/(m/fps)
|
|
||||||
local e2 = "code is too large or slow -- try profiling manually with stat(1)"
|
|
||||||
assert(diff<=thresh,e2)
|
|
||||||
return diff*(m/fps)
|
|
||||||
end
|
|
||||||
|
|
||||||
local noop = function() end -- this must be local, because func is local
|
|
||||||
flip() --avoid flipping mid-measurement
|
|
||||||
local atot,asys=stat(1),stat(2)
|
|
||||||
for _=1,n do noop(unpack(locals)) end -- calibrate
|
|
||||||
local btot,bsys=stat(1),stat(2)
|
|
||||||
for _=1,n do func(unpack(locals)) end -- measure
|
|
||||||
local ctot,csys=stat(1),stat(2)
|
|
||||||
|
|
||||||
-- gather results
|
|
||||||
local tot=cycles(atot,btot,ctot)
|
|
||||||
local sys=cycles(asys,bsys,csys)
|
|
||||||
return {
|
|
||||||
lua=tot-sys,
|
|
||||||
sys=sys,
|
|
||||||
total=tot,
|
|
||||||
}
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- your code here
|
|
||||||
|
|
||||||
--edit me:
|
|
||||||
prof(function(dx,dy)
|
|
||||||
local d = max(abs(dx),abs(dy))
|
|
||||||
local n = min(abs(dx),abs(dy)) / d
|
|
||||||
return sqrt(n*n + 1) * d
|
|
||||||
end,function(dx, dy)
|
|
||||||
local d,n=abs(dx),abs(dy)
|
|
||||||
if (d<n) d,n=n,d
|
|
||||||
n/=d
|
|
||||||
return (n*n + 1)^0.5 * d
|
|
||||||
end,function(dx,dy)
|
|
||||||
local d,n=abs(dx),abs(dy)
|
|
||||||
if (d<n) d,n=n,d
|
|
||||||
n/=d
|
|
||||||
return sqrt(n*n + 1) * d
|
|
||||||
end,function(dx,dy)
|
|
||||||
local s = sin(atan2(dx,dy))
|
|
||||||
if (s==0) return abs(dx)
|
|
||||||
return abs(dy/s)
|
|
||||||
end,{ locals={3,4} })
|
|
||||||
|
|
||||||
-- "locals" (optional) are
|
|
||||||
-- passed in as args. see the
|
|
||||||
-- usage guide for details.
|
|
||||||
|
|
||||||
__label__
|
|
||||||
00006660000000006660000000006660000006006000606066600000066060600660060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006000060000006060666000006000000060006000606060600600600060606000006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006660666000006060000000006660000060006000606066606660666066606660006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000060060000006060666000000060000060006000606060600600006000600060006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006660000000006660000000006660000006006660066060600000660066606600060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006060000000006660000000006060000006006000606066600000066060600660060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006060060000006060666000006060000060006000606060600600600060606000006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00006660666000006060000000006660000060006000606066606660666066606660006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000060060000006060666000000060000060006000606060600600006000600060006000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000060000000006660000000000060000006006660066060600000660066606600060000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
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|
|
||||||
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||||||
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|
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|
|
||||||
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|
|
||||||
07000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
07000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
70000000888800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
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|
|
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|
|
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|
|
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|
|
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|
|
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|
|
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|
|
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|
|
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|
|
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|
|
||||||
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|
|
||||||
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|
|
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
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|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
|
|
||||||
__sfx__
|
|
||||||
030100003052500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505
|
|
||||||
@@ -1,223 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
-- vacuum gambit
|
|
||||||
-- by kistaro windrider
|
|
||||||
|
|
||||||
-- stdlib
|
|
||||||
|
|
||||||
-- generate standard "overlay"
|
|
||||||
-- constructor for type tt.
|
|
||||||
-- if tt.init is defined, generated
|
|
||||||
-- new calls tt.init(ret) after
|
|
||||||
-- ret is definitely not nil,
|
|
||||||
-- before calling setmetatable.
|
|
||||||
-- use to initialize mutables.
|
|
||||||
--
|
|
||||||
-- if there was a previous new,
|
|
||||||
-- it is invoked on the new
|
|
||||||
-- object *after* more, because
|
|
||||||
-- this works better with the
|
|
||||||
-- `more` impls i use.
|
|
||||||
function mknew(tt)
|
|
||||||
local mt,oldnew,more = {__index=tt},tt.new,rawget(tt, "init")
|
|
||||||
tt.new=function(ret)
|
|
||||||
if(not ret) ret = {}
|
|
||||||
if(more) more(ret)
|
|
||||||
if(oldnew) oldnew(ret)
|
|
||||||
setmetatable(ret, mt)
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
return tt
|
|
||||||
end
|
|
||||||
|
|
||||||
function easeoutbounce(t)
|
|
||||||
local n1=7.5625
|
|
||||||
local d1=2.75
|
|
||||||
|
|
||||||
if (t<1/d1) then
|
|
||||||
return n1*t*t;
|
|
||||||
elseif(t<2/d1) then
|
|
||||||
t-=1.5/d1
|
|
||||||
return n1*t*t+.75;
|
|
||||||
elseif(t<2.5/d1) then
|
|
||||||
t-=2.25/d1
|
|
||||||
return n1*t*t+.9375;
|
|
||||||
else
|
|
||||||
t-=2.625/d1
|
|
||||||
return n1*t*t+.984375;
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- entry points
|
|
||||||
function _draw()
|
|
||||||
cls()
|
|
||||||
draw_hud_placeholder()
|
|
||||||
left_pane:draw()
|
|
||||||
right_pane:draw()
|
|
||||||
rearm_pane_instance:draw()
|
|
||||||
end
|
|
||||||
|
|
||||||
function _init()
|
|
||||||
item=1
|
|
||||||
bfm=1
|
|
||||||
crt_frm = 1
|
|
||||||
left_pane = weapon_pane.new{}
|
|
||||||
right_pane = weapon_pane.new{
|
|
||||||
is_left=false,
|
|
||||||
s = 2,
|
|
||||||
hdr = "vulc",
|
|
||||||
body = " rate\n\n faster\n firing\n rate",
|
|
||||||
hot = function() return item == 2 end}
|
|
||||||
rearm_pane_instance = rearm_pane.new{hot=function() return item < 0 end}
|
|
||||||
end
|
|
||||||
|
|
||||||
function _update60()
|
|
||||||
crt_frm += 0.25
|
|
||||||
if (crt_frm >= 9) crt_frm = 1
|
|
||||||
if (btn(3) and item > 0 or btn(2) and item < 0) item = -item
|
|
||||||
if (btn(0)) item = 1
|
|
||||||
if (btn(1)) item = 2
|
|
||||||
if (btn() & 0xF ~= 0) and bfm >= 10 or bfm >= 30 then
|
|
||||||
bfm = 1
|
|
||||||
else
|
|
||||||
bfm += 1
|
|
||||||
end
|
|
||||||
|
|
||||||
if btnp(4) then
|
|
||||||
left_pane.pos = -1
|
|
||||||
right_pane.pos = -1
|
|
||||||
rearm_pane_instance.pos = -1
|
|
||||||
end
|
|
||||||
|
|
||||||
if btnp(5) then
|
|
||||||
left_pane.pos = 1
|
|
||||||
right_pane.pos = 1
|
|
||||||
rearm_pane_instance.pos = 1
|
|
||||||
end
|
|
||||||
|
|
||||||
left_pane:update()
|
|
||||||
right_pane:update()
|
|
||||||
rearm_pane_instance:update()
|
|
||||||
end
|
|
||||||
|
|
||||||
function draw_hud_placeholder()
|
|
||||||
rectfill(112, 0, 127, 127,0x56)
|
|
||||||
rect(112,0,127,127,7)
|
|
||||||
line(127,1,127,127,5)
|
|
||||||
line(113,127)
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- rearm pane drawing
|
|
||||||
|
|
||||||
crt={-91,-166,-2641,-1441,-23041,23295,-20491,24570}
|
|
||||||
|
|
||||||
function glow_box(x0, y0, x1, y1, c, cf)
|
|
||||||
for i,v in ipairs{c[1],c[2],c[1],0} do
|
|
||||||
i -= 1
|
|
||||||
rect(x0+i,y0+i,x1-i,y1-i,v)
|
|
||||||
end
|
|
||||||
fillp(crt[crt_frm&0xff])
|
|
||||||
rectfill(x0+4, y0+4, x1-4, y1-4, cf)
|
|
||||||
fillp()
|
|
||||||
end
|
|
||||||
|
|
||||||
function frame_col(hot)
|
|
||||||
if (not hot) return {4,10}
|
|
||||||
if (bfm<=16) return {14,7}
|
|
||||||
return {2,8}
|
|
||||||
end
|
|
||||||
|
|
||||||
function draw_weap_opt(x, y, c, s, hdr, body)
|
|
||||||
camera(-x,-y)
|
|
||||||
glow_box(0,0,55,100,c,1)
|
|
||||||
spr(s,5, 5)
|
|
||||||
print(hdr, 13, 8, 7)
|
|
||||||
print(body, 5, 15, 6)
|
|
||||||
camera()
|
|
||||||
end
|
|
||||||
|
|
||||||
function draw_rearm(c)
|
|
||||||
glow_box(0,101,111,127,c,1)
|
|
||||||
spr(5,15,107,4,2)
|
|
||||||
print("full ammo\nfull shield\n+50% health",54, 106, 6)
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- rearm pane objects
|
|
||||||
easing_pane = mknew{
|
|
||||||
-- to enter: pos = -1; to exit: pos = 1
|
|
||||||
-- runs for 32 frames in, 16 frames out
|
|
||||||
}
|
|
||||||
|
|
||||||
function easing_pane:frac()
|
|
||||||
local pos = self.pos
|
|
||||||
if (not pos) return
|
|
||||||
if (pos < 0) return 1-easeoutbounce(1+pos)
|
|
||||||
if (pos > 0) return (1-pos)*(1-pos)
|
|
||||||
return 0
|
|
||||||
end
|
|
||||||
|
|
||||||
function easing_pane:update()
|
|
||||||
local pos = self.pos
|
|
||||||
if (not pos or pos == 0) return
|
|
||||||
if (pos < 0) pos = min(pos + 0x0.05, 0)
|
|
||||||
if pos > 0 then
|
|
||||||
pos -= 0x0.1
|
|
||||||
if (pos <= 0) pos = nil
|
|
||||||
end
|
|
||||||
self.pos = pos
|
|
||||||
end
|
|
||||||
|
|
||||||
weapon_pane = mknew(easing_pane.new{
|
|
||||||
is_left = true,
|
|
||||||
s = 1,
|
|
||||||
hdr = "hull",
|
|
||||||
body = "\n +1\n max\n health",
|
|
||||||
hot = function() return item == 1 end,
|
|
||||||
})
|
|
||||||
|
|
||||||
function weapon_pane:draw()
|
|
||||||
local frac, is_left = self:frac(), self.is_left
|
|
||||||
if (not frac) return
|
|
||||||
camera(
|
|
||||||
frac * (is_left and 55 or -128) + (1-frac) * (is_left and 0 or -56),
|
|
||||||
0)
|
|
||||||
glow_box(0,0,55,100,frame_col(self:hot()),1)
|
|
||||||
spr(self.s,5, 5)
|
|
||||||
print(self.hdr, 13, 8, 7)
|
|
||||||
print(self.body, 5, 15, 6)
|
|
||||||
camera()
|
|
||||||
end
|
|
||||||
|
|
||||||
rearm_pane = mknew(easing_pane.new{})
|
|
||||||
|
|
||||||
function rearm_pane:draw()
|
|
||||||
local frac = self:frac()
|
|
||||||
if (not frac) return
|
|
||||||
camera(0, -28 * frac)
|
|
||||||
glow_box(0,101,111,127,frame_col(self:hot()),1)
|
|
||||||
spr(5,15,107,4,2)
|
|
||||||
print("full ammo\nfull shield\n+50% health",54, 106, 6)
|
|
||||||
camera()
|
|
||||||
end
|
|
||||||
|
|
||||||
__gfx__
|
|
||||||
000000000b00000000000a0007700770000aa0000444440004444444000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000bba80880000008000aa00aa00a0880a0447777700477777a000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
007007000aaa28780a0000000990099008000080477aaa7a0477aaaa000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
0007000008a8887808000000099009900080080047a0047a047a0000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00007000088888820000a000088008800000000047a0447a047a0000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00700700008888200000800008800880a000000a47a4477a047a4440000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
000000000008820000a0000008800880080aa080477777a00477777a000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
0000000000002000008000000880088000088000477770000422aaaa222200020000020000000000000000000000000000000000000000000000000000000000
|
|
||||||
0d5000000000000000000000000000000000000047a77700022ee0002eeee002e00022e000000000000000000000000000000000000000000000000000000000
|
|
||||||
d00000000000000000000000000000000000000047a4777002ea2e002e002e02ee022ee000000000000000000000000000000000000000000000000000000000
|
|
||||||
500000000000000000000000000000000000000047a0477a22ea2e002e002e02e2e2e2e000000000000000000000000000000000000000000000000000000000
|
|
||||||
000000000000000000000000000000000000000047a0047a2e2222e02e222e02e02e02e000000000000000000000000000000000000000000000000000000000
|
|
||||||
000000000000000000000000000000000000000047a0047a2eeeeeea2eeee002e02e02e000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000aa000aa2e7aa2ea2e00e002e02e02e000000000000000000000000000000000000000000000000000000000
|
|
||||||
0000000000000000000000000000000000000000000000002e0002e02e002e02e02e02e000000000000000000000000000000000000000000000000000000000
|
|
||||||
0000000000000000000000000000000000000000000000000e0000e00e000e00e00e00e000000000000000000000000000000000000000000000000000000000
|
|
||||||
264
splubp.p8
264
splubp.p8
@@ -1,264 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
-- splubp data transport
|
|
||||||
-- by kistaro windrider
|
|
||||||
|
|
||||||
-- shrinko-8 hints
|
|
||||||
DEBUG = true --[[const]]
|
|
||||||
|
|
||||||
-- >8
|
|
||||||
-- utilities
|
|
||||||
|
|
||||||
-- generate standard "overlay"
|
|
||||||
-- constructor for type tt.
|
|
||||||
-- if tt.init is defined, generated
|
|
||||||
-- new calls tt.init(ret) after
|
|
||||||
-- ret is definitely not nil,
|
|
||||||
-- after calling setmetatable.
|
|
||||||
-- use to initialize mutables.
|
|
||||||
--
|
|
||||||
-- if there was a previous new,
|
|
||||||
-- it is invoked before
|
|
||||||
-- setting tt's metatable, so
|
|
||||||
-- each new will see its
|
|
||||||
-- inheritance chain.
|
|
||||||
function mknew(tt)
|
|
||||||
local mt,oldinit,more = {__index=tt},tt.superinit,rawget(tt, "init")
|
|
||||||
tt.new=function(ret)
|
|
||||||
if(not ret) ret = {}
|
|
||||||
ret.new = false
|
|
||||||
setmetatable(ret, mt)
|
|
||||||
if(oldinit) oldinit(ret)
|
|
||||||
if (more) more(ret)
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
|
|
||||||
if oldinit and more then
|
|
||||||
tt.superinit = function(ret)
|
|
||||||
oldinit(ret)
|
|
||||||
more(ret)
|
|
||||||
end
|
|
||||||
elseif more then
|
|
||||||
tt.superinit = more
|
|
||||||
end
|
|
||||||
return tt
|
|
||||||
end
|
|
||||||
|
|
||||||
function trim(s)
|
|
||||||
local f, e = 1, #s
|
|
||||||
while (f <= e and s[f]==" ") f += 1
|
|
||||||
while (e >= f and s[e]==" ") e -= 1
|
|
||||||
if (f<e) return sub(s,f,e)
|
|
||||||
return ""
|
|
||||||
end
|
|
||||||
|
|
||||||
function shatter(s)
|
|
||||||
local ret ={}
|
|
||||||
for line in all(split(s, "\n")) do
|
|
||||||
local row = {}
|
|
||||||
for cell in all(split(split(line, "--")[1], " ")) do
|
|
||||||
cell = trim(cell)
|
|
||||||
if (#cell > 0) add(row, cell)
|
|
||||||
end
|
|
||||||
if (#row > 0) add(ret, row)
|
|
||||||
end
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
|
|
||||||
function crush(s)
|
|
||||||
ret = ""
|
|
||||||
for line in shatter(s) do
|
|
||||||
for tok in line do
|
|
||||||
ret..=tok.." "
|
|
||||||
end
|
|
||||||
ret = sub(ret, 1, -2).."\n"
|
|
||||||
end
|
|
||||||
if (#ret > 0) return sub(ret, 1, -2)
|
|
||||||
return ""
|
|
||||||
end
|
|
||||||
|
|
||||||
-- >8
|
|
||||||
-- common
|
|
||||||
|
|
||||||
--[[preserve-keys]] splubp = mknew{
|
|
||||||
ptr = 0x8000,
|
|
||||||
init = function(self)
|
|
||||||
-- fill from ffile or saved file
|
|
||||||
self.fmts = {}
|
|
||||||
if (not self.ffile) self.ffile, self.ptr = self:e()
|
|
||||||
for f in all(split(self.ffile, "===", false)) do
|
|
||||||
local tok = shatter(f)
|
|
||||||
if DEBUG then
|
|
||||||
assert(#tok > 1, "not enough rows in "..tostr(tok))
|
|
||||||
assert(#tok[1] == 1, "bad extension row: "..tostr(tok[1]))
|
|
||||||
end
|
|
||||||
self.fmts[deli(tok, 1)[1]] = tok
|
|
||||||
end
|
|
||||||
end,
|
|
||||||
}
|
|
||||||
|
|
||||||
function splubp:ppi(n)
|
|
||||||
self.ptr += n
|
|
||||||
return self.ptr - n
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:op()
|
|
||||||
self.cri += 1
|
|
||||||
return self.row[self.cri]
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:c(n)
|
|
||||||
n = n or 1
|
|
||||||
return peek(self:ppi(n), n)
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:i()
|
|
||||||
return %self:ppi(2)
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:n()
|
|
||||||
return $self:ppi(4)
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:e()
|
|
||||||
return chr(self:c(self:i()))
|
|
||||||
end
|
|
||||||
|
|
||||||
-- >8
|
|
||||||
-- writer
|
|
||||||
|
|
||||||
function splubp:emit_fmts()
|
|
||||||
self:write_e(self.ffile)
|
|
||||||
end
|
|
||||||
|
|
||||||
-- execute next op (write data)
|
|
||||||
function splubp:wnx(...)
|
|
||||||
return self["write_"..self:op()](self, ...)
|
|
||||||
end
|
|
||||||
|
|
||||||
-- write an object of a known type.
|
|
||||||
-- item must have a field named
|
|
||||||
-- _file, containing a filename
|
|
||||||
-- with a correct extension
|
|
||||||
-- to save the file under.
|
|
||||||
function splubp:emit_item(obj)
|
|
||||||
if DEBUG then
|
|
||||||
--[[global]] splubp_last_emit = obj
|
|
||||||
end
|
|
||||||
-- todo: should _addr skip the
|
|
||||||
-- filename, instead?
|
|
||||||
obj._addr = self.ptr
|
|
||||||
self:write_s(obj._file)
|
|
||||||
for row in all(self.fmts[split(filename, ".")[2]]) do
|
|
||||||
local alt = self.wdirectives[row[1]]
|
|
||||||
if alt then
|
|
||||||
alt(self, obj, row)
|
|
||||||
else
|
|
||||||
self:write_fmt(obj[row[1]], row, 2)
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
-- TODO: splubp.wdirectives -- a
|
|
||||||
-- table mapping non-key
|
|
||||||
-- special values to
|
|
||||||
-- functions to write them
|
|
||||||
-- TODO: write_fmt: recursive
|
|
||||||
-- writing thing
|
|
||||||
|
|
||||||
-- Write each argument as one
|
|
||||||
-- byte at self.ptr, then
|
|
||||||
-- increment self.ptr by the
|
|
||||||
-- number of bytes written.
|
|
||||||
function splubp:write_c(...)
|
|
||||||
poke(self:ppi(#{...}), ...)
|
|
||||||
end
|
|
||||||
|
|
||||||
-- Like etch but it takes only
|
|
||||||
-- a single 2-byte int.
|
|
||||||
function splubp:write_i(i)
|
|
||||||
poke2(self:ppi(2), i)
|
|
||||||
end
|
|
||||||
|
|
||||||
-- Like etch but it takes only
|
|
||||||
-- a single 4-byte number.
|
|
||||||
function splubp:write_n(n)
|
|
||||||
poke4(self:ppi(4), n)
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:write_s(s)
|
|
||||||
self:write_c(#s, ord(s, 1, #s))
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:write_e(s)
|
|
||||||
self:write_i(#s)
|
|
||||||
self:write_c(ord(s,1,#s))
|
|
||||||
end
|
|
||||||
|
|
||||||
splubp.write_b = splubp.write_c
|
|
||||||
|
|
||||||
function splubp:write_shr(n)
|
|
||||||
n <<= self:op()
|
|
||||||
self:wnx(n)
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:write_a(tbl)
|
|
||||||
if (DEBUG) assert(#tbl <= 255, "'a' can't write array of length "..#tbl)
|
|
||||||
self:write_c(#tbl)
|
|
||||||
local rpt = self.cri
|
|
||||||
for item in all(tbl) do
|
|
||||||
self.cri = rpt
|
|
||||||
self:wnx(item)
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:write_t(tbl)
|
|
||||||
if DEBUG then
|
|
||||||
local want_len = self.row[self.cri]
|
|
||||||
assert(#tbl == want_len, "'t' wants "..tostr(want_len).." items, but got "..#tbl..": "..tostr(tbl))
|
|
||||||
end
|
|
||||||
for i=1,self:op() do
|
|
||||||
self:wnx(tbl[i])
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- loader
|
|
||||||
|
|
||||||
-- execute next op (read)
|
|
||||||
function splubp:rnx()
|
|
||||||
return self[self:op()](self)
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:s()
|
|
||||||
return chr(self:c(self:c()))
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:b()
|
|
||||||
local ret = self:c()
|
|
||||||
if (ret < 128) return ret
|
|
||||||
return ret-256
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:shr()
|
|
||||||
local amt = self:op()
|
|
||||||
return self:rnx() >>> amt
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:a()
|
|
||||||
local ret,rpt = {},self.cri
|
|
||||||
for i = 1,self:c() do
|
|
||||||
self.cri=rpt
|
|
||||||
add(ret, self:rnx())
|
|
||||||
end
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
|
|
||||||
function splubp:t()
|
|
||||||
local ret = {}
|
|
||||||
for i=1,self:op() do
|
|
||||||
add(ret, self:rnx())
|
|
||||||
end
|
|
||||||
return ret
|
|
||||||
end
|
|
||||||
124
updatedshmup.p8
124
updatedshmup.p8
@@ -397,6 +397,23 @@ function dropshadow(str, x, y, col)
|
|||||||
print(str, x, y, col)
|
print(str, x, y, col)
|
||||||
end
|
end
|
||||||
|
|
||||||
|
function grab_p1_butts()
|
||||||
|
if state ~= game then
|
||||||
|
local r = {0,0,0,0,0}
|
||||||
|
r[0] = 0
|
||||||
|
return r
|
||||||
|
end
|
||||||
|
local b = btn()
|
||||||
|
return {
|
||||||
|
[0]=b&0x1,
|
||||||
|
[1]=(b&0x2)>>1,
|
||||||
|
[2]=(b&0x4)>>2,
|
||||||
|
[3]=(b&0x8)>>3,
|
||||||
|
[4]=(b&0x10)>>4,
|
||||||
|
[5]=(b&0x20)>>5
|
||||||
|
}
|
||||||
|
end
|
||||||
|
|
||||||
-->8
|
-->8
|
||||||
--ship behavior
|
--ship behavior
|
||||||
|
|
||||||
@@ -431,19 +448,19 @@ end
|
|||||||
function ship_m:move()
|
function ship_m:move()
|
||||||
self:refresh_shield()
|
self:refresh_shield()
|
||||||
self.power = min(self.max_power, self.power + self.generator)
|
self.power = min(self.max_power, self.power + self.generator)
|
||||||
local dx, dy, shoot_spec, shoot_main = self:act()
|
butt = self:grab_butts()
|
||||||
if (shoot_main) self:maybe_shoot(self.main_gun)
|
if (butt[5] > 0) self:maybe_shoot(self.main_gun)
|
||||||
if (shoot_spec) self:maybe_shoot(self.special_gun)
|
if (butt[4] > 0) self:maybe_shoot(self.special_gun)
|
||||||
if (dx ~= 0 or dy ~= 0) spark(self.sparks, self.x + 4*self.size, self.y + 4*self.size, dx*2.5, dy*2.5, self.sparkodds)
|
if (butt[0]-butt[1] ~= 0 or butt[2]-butt[3] ~= 0) spark(self.sparks, self.x + 4*self.size, self.y + 4*self.size, butt, self.thrust, self.sparkodds)
|
||||||
self.xmomentum += dx
|
self.xmomentum += (self.thrust * butt[1]) - (self.thrust * butt[0])
|
||||||
self.ymomentum += dy
|
self.ymomentum += (self.thrust * butt[3]) - (self.thrust * butt[2])
|
||||||
self.xmomentum = mid(-self.maxspd, self.maxspd, self.xmomentum)
|
self.xmomentum = mid(-self.maxspd, self.maxspd, self.xmomentum)
|
||||||
self.ymomentum = mid(-self.maxspd, self.maxspd, self.ymomentum)
|
self.ymomentum = mid(-self.maxspd, self.maxspd, self.ymomentum)
|
||||||
|
|
||||||
self.x += self.xmomentum
|
self.x += self.xmomentum
|
||||||
self.y += self.ymomentum
|
self.y += self.ymomentum
|
||||||
|
|
||||||
if self == primary_ship then
|
if self == primary_self then
|
||||||
self.x = mid(0, 112 - 8 * self.size, self.x)
|
self.x = mid(0, 112 - 8 * self.size, self.x)
|
||||||
self.y = mid(0, 128 - 8 * self.size, self.y)
|
self.y = mid(0, 128 - 8 * self.size, self.y)
|
||||||
end
|
end
|
||||||
@@ -852,18 +869,16 @@ player = ship_m.new{
|
|||||||
thrust = 0.25, -- momentum added from button
|
thrust = 0.25, -- momentum added from button
|
||||||
drag = 0.125, -- momentum lost per frame
|
drag = 0.125, -- momentum lost per frame
|
||||||
slip = false, -- does not slide down screen
|
slip = false, -- does not slide down screen
|
||||||
act = function(self) -- fetch buttons
|
grab_butts = function(self) -- fetch buttons
|
||||||
local b,th = btn(),self.thrust
|
local butts = grab_p1_butts()
|
||||||
local blr = b&0x3
|
if butts[0] == butts[1] then
|
||||||
if blr == 1 then
|
self.sprite = 1
|
||||||
self.sprite=17
|
elseif butts[0] > 0 then
|
||||||
elseif blr==2 then
|
self.sprite = 17
|
||||||
self.sprite=18
|
|
||||||
else
|
else
|
||||||
self.sprite=1
|
self.sprite = 18
|
||||||
end
|
end
|
||||||
--dx, dy, shoot_spec, shoot_main
|
return butts
|
||||||
return (((b&0x2)>>1) - (b&0x1)) * th, (((b&0x8)>>3) - ((b&0x4)>>2)) * th, (b&0x10) > 0, (b&0x20) > 0
|
|
||||||
end
|
end
|
||||||
}
|
}
|
||||||
mknew(player,
|
mknew(player,
|
||||||
@@ -897,12 +912,18 @@ frownie = ship_m.new{
|
|||||||
thrust = 0.12, -- momentum added from button
|
thrust = 0.12, -- momentum added from button
|
||||||
drag = 0.07, -- momentum lost per frame
|
drag = 0.07, -- momentum lost per frame
|
||||||
slip = true,
|
slip = true,
|
||||||
act = function(self)
|
grab_butts = function(discard_self)
|
||||||
local tstate,dx = (1 + flr(4*t() + 0.5)) % 6,0
|
-- buttons are effectively analog
|
||||||
if (tstate==1 or tstate==2) dx=-self.thrust
|
-- and negative buttons work just fine!
|
||||||
if (tstate>=4) dx=self.thrust
|
local butts = {}
|
||||||
return dx,0,false,false
|
local tstate = (1 + flr(4*t() + 0.5)) % 6
|
||||||
end,
|
butts[0] = ((tstate==1 or tstate==2) and 1) or 0
|
||||||
|
butts[1] = ((tstate==4 or tstate==5) and 1) or 0
|
||||||
|
for b=2, 5 do
|
||||||
|
butts[b]=0
|
||||||
|
end
|
||||||
|
return butts
|
||||||
|
end, -- button fetch algorithm
|
||||||
}
|
}
|
||||||
mknew(frownie)
|
mknew(frownie)
|
||||||
|
|
||||||
@@ -941,9 +962,10 @@ spewy = frownie.new{
|
|||||||
generator=0.5,
|
generator=0.5,
|
||||||
fire_off_x=4,
|
fire_off_x=4,
|
||||||
fire_off_y = 7,
|
fire_off_y = 7,
|
||||||
act=function(self)
|
grab_butts=function()
|
||||||
local dx,dy,shoot_spec=frownie.act(self)
|
local butts=frownie.grab_butts()
|
||||||
return dx, dy, shoot_spec, true
|
butts[5]=1
|
||||||
|
return butts
|
||||||
end
|
end
|
||||||
}
|
}
|
||||||
mknew(spewy, function(ship)
|
mknew(spewy, function(ship)
|
||||||
@@ -978,11 +1000,12 @@ mknew(chasey, function(ship)
|
|||||||
ship.main_gun=ship.main_gun or zap_gun.new{enemy=true}
|
ship.main_gun=ship.main_gun or zap_gun.new{enemy=true}
|
||||||
end)
|
end)
|
||||||
|
|
||||||
function chasey:act()
|
function chasey:grab_butts()
|
||||||
local dx = 0
|
local butts = {[0]=0,0,0,0,0,0}
|
||||||
if (self.x < primary_ship.x) dx=self.thrust
|
if (self.x < primary_ship.x) butts[1] = 1
|
||||||
if (self.x > primary_ship.x) dx=-self.thrust
|
if (self.x > primary_ship.x) butts[0] = 1
|
||||||
return dx, 0, false, self.x - 16 < primary_ship.x and self.x + 16 > primary_ship.x
|
if (self.x - 16 < primary_ship.x and self.x + 16 > primary_ship.x) butts[5] = 1
|
||||||
|
return butts
|
||||||
end
|
end
|
||||||
|
|
||||||
xl_chasey=chasey.new{
|
xl_chasey=chasey.new{
|
||||||
@@ -998,10 +1021,10 @@ xl_chasey=chasey.new{
|
|||||||
shield = 5,
|
shield = 5,
|
||||||
boss = true,
|
boss = true,
|
||||||
slip = false,
|
slip = false,
|
||||||
act = function(self)
|
grab_butts = function(self)
|
||||||
local dx,dy,shoot_spec,shoot_main = chasey.act(self)
|
local butts = chasey.grab_butts(self)
|
||||||
if (self.y < 4) dy=self.thrust
|
if (self.y < 4) butts[3] = 1
|
||||||
return dx,dy,shoot_spec,shoot_main
|
return butts
|
||||||
end,
|
end,
|
||||||
draw = function(self)
|
draw = function(self)
|
||||||
if(self.fx_pal) pal(self.fx_pal)
|
if(self.fx_pal) pal(self.fx_pal)
|
||||||
@@ -1285,7 +1308,7 @@ end
|
|||||||
function spawn_goodie(goodie_name, x, y, sz)
|
function spawn_goodie(goodie_name, x, y, sz)
|
||||||
if (not goodie_name or #goodie_name == 0) return
|
if (not goodie_name or #goodie_name == 0) return
|
||||||
local sh = sz and sz/2 or 0
|
local sh = sz and sz/2 or 0
|
||||||
_ENV[goodie_name].new{}:spawn_at(x+sh,y+sh)
|
goodies[goodie_name].new{}:spawn_at(x+sh,y+sh)
|
||||||
end
|
end
|
||||||
|
|
||||||
function multi(times, interval, fnm, ...)
|
function multi(times, interval, fnm, ...)
|
||||||
@@ -1487,12 +1510,18 @@ like a player pushing buttons.
|
|||||||
the player ship actually reads
|
the player ship actually reads
|
||||||
buttons for this.
|
buttons for this.
|
||||||
|
|
||||||
act -- returns new acceleration:
|
grab_butts - ship thrust control
|
||||||
dx, dy, shoot_spec, shoot_main.
|
based on btn() api. returns a
|
||||||
dx and dy are change in momentum
|
table indexed from 0..5 with
|
||||||
in px/frame. this is controls
|
0 to not push this button and 1
|
||||||
only -- friction is handled in
|
to push it. ships can use
|
||||||
ship:move (`drag` value).
|
fractional or out-of-range
|
||||||
|
numbers to get varying amounts
|
||||||
|
of thrust, including using
|
||||||
|
negative numbers for thrust in
|
||||||
|
the opposite direction. 4 and 5
|
||||||
|
just check for nonzeroness to
|
||||||
|
attempt to fire.
|
||||||
|
|
||||||
ships hitting another ship take
|
ships hitting another ship take
|
||||||
1 damage per frame of overlap.
|
1 damage per frame of overlap.
|
||||||
@@ -1771,7 +1800,9 @@ function boom(x,y,boominess,is_boss)
|
|||||||
local boombonus = min(0.05 * boominess, 1.25)
|
local boombonus = min(0.05 * boominess, 1.25)
|
||||||
for _=1,boominess do
|
for _=1,boominess do
|
||||||
local angle = rnd(1)
|
local angle = rnd(1)
|
||||||
spark(sp,x+4,y+4,cos(angle), sin(angle),boombase+rnd(boombonus),1, true)
|
local butts = {0, sin(angle), 0}
|
||||||
|
butts[0] = cos(angle)
|
||||||
|
spark(sp,x+4,y+4,butts,boombase+rnd(boombonus),1, true)
|
||||||
end
|
end
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
@@ -1791,16 +1822,17 @@ function spark_particle:draw()
|
|||||||
pset(self.x,self.y,self.sprs[self.sidx])
|
pset(self.x,self.y,self.sprs[self.sidx])
|
||||||
end
|
end
|
||||||
|
|
||||||
function spark(sprs, x, y, dx, dy, odds, fg)
|
function spark(sprs, x, y, butts, thrust, odds, fg)
|
||||||
if (sprs==nil or flr(rnd(odds)) ~= 0) return
|
if (sprs==nil or flr(rnd(odds)) ~= 0) return
|
||||||
|
thrust *= 2.5
|
||||||
local target = fg and intangibles_fg or intangibles_bg
|
local target = fg and intangibles_fg or intangibles_bg
|
||||||
target:push_back(spark_particle.new{
|
target:push_back(spark_particle.new{
|
||||||
x = x + rnd(4) - 2,
|
x = x + rnd(4) - 2,
|
||||||
y = y + rnd(4) - 2,
|
y = y + rnd(4) - 2,
|
||||||
sprs = sprs,
|
sprs = sprs,
|
||||||
sidx = 1,
|
sidx = 1,
|
||||||
dx = dx + rnd(2) - 1,
|
dx = (butts[0] - butts[1]) * thrust + rnd(2) - 1,
|
||||||
dy = dy + rnd(2) - 1,
|
dy = (butts[2] - butts[3]) * thrust + rnd(2) - 1,
|
||||||
})
|
})
|
||||||
end
|
end
|
||||||
-->8
|
-->8
|
||||||
|
|||||||
2358
vacuum_gambit.p8
2358
vacuum_gambit.p8
File diff suppressed because it is too large
Load Diff
598
zotprofiling.p8
598
zotprofiling.p8
@@ -1,598 +0,0 @@
|
|||||||
pico-8 cartridge // http://www.pico-8.com
|
|
||||||
version 42
|
|
||||||
__lua__
|
|
||||||
-- prof: cpu cycle counter v1.4
|
|
||||||
-- BY PANCELOR
|
|
||||||
--[[------------------------
|
|
||||||
|
|
||||||
|
|
||||||
use this cart to precisely
|
|
||||||
measure code execution time
|
|
||||||
|
|
||||||
--------------------------------
|
|
||||||
★ overview ★
|
|
||||||
--------------------------------
|
|
||||||
| tab 0 | usage guide |
|
|
||||||
| tab 1 | (internals) |
|
|
||||||
| tab 2 | your code here |
|
|
||||||
--------------------------------
|
|
||||||
|
|
||||||
|
|
||||||
-----------------------
|
|
||||||
-- ★ usage guide ★ --
|
|
||||||
-----------------------
|
|
||||||
|
|
||||||
|
|
||||||
웃: i have two code snippets;
|
|
||||||
which one is faster?
|
|
||||||
|
|
||||||
🐱: edit the last tab with your
|
|
||||||
snippets, then run the cart.
|
|
||||||
it will tell you precisely
|
|
||||||
how much cpu it takes to
|
|
||||||
run each snippet.
|
|
||||||
|
|
||||||
the results are also copied
|
|
||||||
to your clipboard.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: what do the numbers mean?
|
|
||||||
|
|
||||||
🐱: the cpu cost is reported
|
|
||||||
as lua and system cycle
|
|
||||||
counts. look up stat(1)
|
|
||||||
and stat(2) for more info.
|
|
||||||
|
|
||||||
if you're not sure, just
|
|
||||||
look at the first number.
|
|
||||||
lower is faster (better)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: why "{locals={9}}"
|
|
||||||
in the example?
|
|
||||||
|
|
||||||
🐱: accessing local variables
|
|
||||||
is faster than global vars.
|
|
||||||
|
|
||||||
so if your test involves
|
|
||||||
local variables, simulate
|
|
||||||
this by passing them in:
|
|
||||||
|
|
||||||
prof(function(a)
|
|
||||||
sqrt(a)
|
|
||||||
end,{ locals={9} })
|
|
||||||
|
|
||||||
/!\ /!\ /!\ /!\
|
|
||||||
local values from outside
|
|
||||||
the current scope are also
|
|
||||||
slower to access! example:
|
|
||||||
|
|
||||||
global = 4
|
|
||||||
local outer = 4
|
|
||||||
prof(function(x)
|
|
||||||
local _ = x --fast
|
|
||||||
end,function(x)
|
|
||||||
local _ = outer --slow
|
|
||||||
end,function(x)
|
|
||||||
local _ = global --slow
|
|
||||||
end,{ locals={4} })
|
|
||||||
/!\ /!\ /!\ /!\
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
웃: can i do "prof(myfunc)"?
|
|
||||||
|
|
||||||
🐱: no, this sometimes gives
|
|
||||||
wrong results! always use
|
|
||||||
inline functions:
|
|
||||||
|
|
||||||
prof(function()
|
|
||||||
--code for myfunc here
|
|
||||||
end)
|
|
||||||
|
|
||||||
as an example, "prof(sin)"
|
|
||||||
reports "-2" -- wrong! but
|
|
||||||
"prof(function()sin()end)"
|
|
||||||
correctly reports "4"
|
|
||||||
|
|
||||||
(see the technical notes at
|
|
||||||
the start of the next tab
|
|
||||||
for a brief explanation.
|
|
||||||
technically, "prof(myfunc)"
|
|
||||||
will work if myfunc was made
|
|
||||||
by the user, but you will
|
|
||||||
risk confusing yourself)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
---------------
|
|
||||||
★ method 2 ★
|
|
||||||
---------------
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
this cart is based on
|
|
||||||
code by samhocevar:
|
|
||||||
https://www.lexaloffle.com/bbs/?pid=60198#p
|
|
||||||
|
|
||||||
if you do this method, be very
|
|
||||||
careful with local/global vars.
|
|
||||||
it's very easy to accidentally
|
|
||||||
measure the wrong thing.
|
|
||||||
|
|
||||||
here's an example of how to
|
|
||||||
measure cycles (ignoring this
|
|
||||||
cart and using the old method)
|
|
||||||
|
|
||||||
function _init()
|
|
||||||
local a=11.2 -- locals
|
|
||||||
|
|
||||||
local n=1024
|
|
||||||
flip()
|
|
||||||
local tot1,sys1=stat(1),stat(2)
|
|
||||||
for i=1,n do end --calibrate
|
|
||||||
local tot2,sys2=stat(1),stat(2)
|
|
||||||
for i=1,n do local _=sqrt(a) end --measure
|
|
||||||
local tot3,sys3=stat(1),stat(2)
|
|
||||||
|
|
||||||
function cyc(t0,t1,t2) return ((t2-t1)-(t1-t0))*128/n*256/stat(8)*256 end
|
|
||||||
local lua = cyc(tot1-sys1,tot2-sys2,tot3-sys3)
|
|
||||||
local sys = cyc(sys1,sys2,sys3)
|
|
||||||
print(lua.."+"..sys.."="..(lua+sys).." (lua+sys)")
|
|
||||||
end
|
|
||||||
|
|
||||||
run this once, see the results,
|
|
||||||
then change the "measure" line
|
|
||||||
to some other code you want
|
|
||||||
to measure.
|
|
||||||
|
|
||||||
note: wrapping the code inside
|
|
||||||
"_init()" is required, otherwise
|
|
||||||
builtin functions like "sin"
|
|
||||||
will be measured wrong.
|
|
||||||
(the reason is explained at
|
|
||||||
the start of the next tab)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
---------------
|
|
||||||
★ method 3 ★
|
|
||||||
---------------
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
another way to measure cpu cost
|
|
||||||
is to run something like this:
|
|
||||||
|
|
||||||
function _draw()
|
|
||||||
cls(1)
|
|
||||||
local x=9
|
|
||||||
for i=1,1000 do
|
|
||||||
local a=sqrt(x) --snippet1
|
|
||||||
-- local b=x^0.5 --snippet2
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
while running, press ctrl-p to
|
|
||||||
see the performance monitor.
|
|
||||||
the middle number shows how much
|
|
||||||
of cpu is being used, as a
|
|
||||||
fraction. (0.60 = 60% used)
|
|
||||||
|
|
||||||
now, change the comments on the
|
|
||||||
two code snippets inside _draw()
|
|
||||||
and re-run. compare the new
|
|
||||||
result with the old to determine
|
|
||||||
which snippet is faster.
|
|
||||||
|
|
||||||
note: every loop iteration costs
|
|
||||||
an additional 2 cycles, so the
|
|
||||||
ratio of the two fractions will
|
|
||||||
not match the ratio of the
|
|
||||||
execution time of the snippets.
|
|
||||||
but this method can quickly tell
|
|
||||||
you which snippet is faster.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
]]
|
|
||||||
|
|
||||||
-->8
|
|
||||||
--[[ profiler.lua
|
|
||||||
more info: https://www.lexaloffle.com/bbs/?tid=46117
|
|
||||||
|
|
||||||
usage:
|
|
||||||
prof(function()
|
|
||||||
memcpy(0,0x200,64)
|
|
||||||
end,function()
|
|
||||||
poke4(0,peek4(0x200,16))
|
|
||||||
end)
|
|
||||||
|
|
||||||
passing locals:
|
|
||||||
prof(
|
|
||||||
function(a,b)
|
|
||||||
local c=(a+1)*(b+1)-1
|
|
||||||
end,
|
|
||||||
function(a,b)
|
|
||||||
local c=a*b+a+b
|
|
||||||
end,
|
|
||||||
{locals={3,5}}
|
|
||||||
)
|
|
||||||
|
|
||||||
getting global/local variables exactly right
|
|
||||||
is very tricky; you should always use inline
|
|
||||||
functions like above; if you try e.g. prof(sin)
|
|
||||||
the results will be wrong.
|
|
||||||
|
|
||||||
|
|
||||||
# minutiae / notes to self:
|
|
||||||
---------------------------
|
|
||||||
doing this at top-level is awkward:
|
|
||||||
for _=1,n do end -- calibrate
|
|
||||||
for _=1,n do sin() end -- measure
|
|
||||||
b/c sin is secretly local at top-level,
|
|
||||||
so it gives a misleading result (3 cycles).
|
|
||||||
do it inside _init instead for a
|
|
||||||
more representative result (4 cycles).
|
|
||||||
|
|
||||||
## separate issue:
|
|
||||||
------------------
|
|
||||||
if you call prof(sin), it gives the wrong result (-2 cycles) because
|
|
||||||
it's comparing sin() against noop() (not truly nothing).
|
|
||||||
but we want the noop() there for normal inline prof() calls,
|
|
||||||
to avoid measuring the cost of the indirection
|
|
||||||
(calling func() from inside prof() is irrelevant to
|
|
||||||
how cpu-expensive func()'s body is)
|
|
||||||
]]
|
|
||||||
|
|
||||||
-- prof(fn1,fn2,...,fnN,[opts])
|
|
||||||
--
|
|
||||||
-- opts.locals: values to pass
|
|
||||||
-- opts.name: text label
|
|
||||||
-- opts.n: number of iterations
|
|
||||||
function prof(...)
|
|
||||||
cls()
|
|
||||||
local funcs={...}
|
|
||||||
local opts=type(funcs[#funcs])=="table" and deli(funcs) or {}
|
|
||||||
|
|
||||||
-- build output string
|
|
||||||
local msg=""
|
|
||||||
local function log(s)
|
|
||||||
msg..=s.."\n"
|
|
||||||
end
|
|
||||||
|
|
||||||
if opts.name then
|
|
||||||
log("prof: "..opts.name)
|
|
||||||
end
|
|
||||||
for fn in all(funcs) do
|
|
||||||
local dat=prof_one(fn,opts)
|
|
||||||
log(sub(" "..dat.total,-3)
|
|
||||||
.." ("
|
|
||||||
..dat.lua
|
|
||||||
.." lua, "
|
|
||||||
..dat.sys
|
|
||||||
.." sys)")
|
|
||||||
end
|
|
||||||
|
|
||||||
-- copy to clipboard
|
|
||||||
printh(msg,"@clip")
|
|
||||||
-- print + pause
|
|
||||||
while btn() == 0 do
|
|
||||||
flip()
|
|
||||||
end
|
|
||||||
color(6)
|
|
||||||
stop(msg)
|
|
||||||
end
|
|
||||||
|
|
||||||
function prof_one(func, opts)
|
|
||||||
opts = opts or {}
|
|
||||||
local n = opts.n or 0x200 --how many times to call func
|
|
||||||
local locals = opts.locals or {} --locals to pass func
|
|
||||||
|
|
||||||
-- we want to type
|
|
||||||
-- local m = 0x80_0000/n
|
|
||||||
-- but 8MHz is too large to fit in a pico-8 number,
|
|
||||||
-- so we do (0x80_0000>>16)/(n>>16) instead
|
|
||||||
-- (n is always an integer, so n>>16 won't lose any bits)
|
|
||||||
local m = 0x80/(n>>16)
|
|
||||||
assert(0x80/m << 16 == n, "n is too small") -- make sure m didn't overflow
|
|
||||||
local fps = stat(8)
|
|
||||||
|
|
||||||
-- given three timestamps (pre-calibration, middle, post-measurement),
|
|
||||||
-- calculate how many more CPU cycles func() took compared to noop()
|
|
||||||
-- derivation:
|
|
||||||
-- T := ((t2-t1)-(t1-t0))/n (frames)
|
|
||||||
-- this is the extra time for each func call, compared to noop
|
|
||||||
-- this is measured in #-of-frames -- it will be a small fraction for most ops
|
|
||||||
-- F := 1/30 (seconds/frame) (or 1/60 if this test is running at 60fps)
|
|
||||||
-- this is just the framerate that the tests run at, not the framerate of your game
|
|
||||||
-- M := 256*256*128 = 0x80_0000 = 8MHz (cycles/second)
|
|
||||||
-- (PICO-8 runs at 8MHz; see https://www.lexaloffle.com/dl/docs/pico-8_manual.html#CPU)
|
|
||||||
-- cycles := T frames * F seconds/frame * M cycles/second
|
|
||||||
-- optimization / working around pico-8's fixed point numbers:
|
|
||||||
-- T2 := T*n = (t2-t1)-(t1-t0)
|
|
||||||
-- M2 := M/n = (M>>16)/(n>>16) := m (e.g. when n is 0x1000, m is 0x800)
|
|
||||||
-- cycles := T2*M2*F
|
|
||||||
local function cycles(t0,t1,t2)
|
|
||||||
local diff = (t2-t1)-(t1-t0)
|
|
||||||
local e1 = "must use inline functions -- see usage guide"
|
|
||||||
assert(0<=diff,e1)
|
|
||||||
local thresh = 0x7fff.ffff/(m/fps)
|
|
||||||
local e2 = "code is too large or slow -- try profiling manually with stat(1)"
|
|
||||||
assert(diff<=thresh,e2)
|
|
||||||
return diff*(m/fps)
|
|
||||||
end
|
|
||||||
|
|
||||||
local noop = function() end -- this must be local, because func is local
|
|
||||||
flip() --avoid flipping mid-measurement
|
|
||||||
local atot,asys=stat(1),stat(2)
|
|
||||||
for _=1,n do noop(unpack(locals)) end -- calibrate
|
|
||||||
local btot,bsys=stat(1),stat(2)
|
|
||||||
for _=1,n do func(unpack(locals)) end -- measure
|
|
||||||
local ctot,csys=stat(1),stat(2)
|
|
||||||
|
|
||||||
-- gather results
|
|
||||||
local tot=cycles(atot,btot,ctot)
|
|
||||||
local sys=cycles(asys,bsys,csys)
|
|
||||||
return {
|
|
||||||
lua=tot-sys,
|
|
||||||
sys=sys,
|
|
||||||
total=tot,
|
|
||||||
}
|
|
||||||
end
|
|
||||||
|
|
||||||
-->8
|
|
||||||
-- your code here
|
|
||||||
|
|
||||||
--edit me:
|
|
||||||
|
|
||||||
function linefill(ax,ay,dx,dy,r,c)
|
|
||||||
if(c) color(c)
|
|
||||||
-- avoid overflow
|
|
||||||
-- credits: https://www.lexaloffle.com/bbs/?tid=28999
|
|
||||||
local d,n = abs(dx),abs(dy)
|
|
||||||
if (d<n) d,n=n,d
|
|
||||||
n/=d
|
|
||||||
d*=sqrt(n*n+1)
|
|
||||||
if(d<0.001) return
|
|
||||||
local ca,sa=dx/d,-dy/d
|
|
||||||
|
|
||||||
-- polygon points
|
|
||||||
local s={
|
|
||||||
{0,-r},{d,-r},{d,r},{0,r}
|
|
||||||
}
|
|
||||||
local u,v,spans=s[4][1],s[4][2],{}
|
|
||||||
local x0,y0=ax+u*ca+v*sa,ay-u*sa+v*ca
|
|
||||||
for i=1,4 do
|
|
||||||
local u,v=unpack(s[i])
|
|
||||||
local x1,y1=ax+u*ca+v*sa,ay-u*sa+v*ca
|
|
||||||
local _x1,_y1=x1,y1
|
|
||||||
if(y0>y1) x0,y0,x1,y1=x1,y1,x0,y0
|
|
||||||
local dx=(x1-x0)/(y1-y0)
|
|
||||||
if(y0<0) x0-=y0*dx y0=-1
|
|
||||||
local cy0=y0\1+1
|
|
||||||
-- sub-pix shift
|
|
||||||
x0+=(cy0-y0)*dx
|
|
||||||
for y=y0\1+1,min(y1\1,127) do
|
|
||||||
-- open span?
|
|
||||||
local span=spans[y]
|
|
||||||
if span then
|
|
||||||
rectfill(x0,y,span,y)
|
|
||||||
else
|
|
||||||
spans[y]=x0
|
|
||||||
end
|
|
||||||
x0+=dx
|
|
||||||
end
|
|
||||||
x0,y0=_x1,_y1
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function quickzot(x,y,r,dx,dy,hot,warm,cold)
|
|
||||||
local x0, y0, r2 = x-dx, y-dy, r/2
|
|
||||||
rectfill(x0-0.5-r2, y0-0.5-r2, x0+r2+0.5, y0+r2+0.5, cold)
|
|
||||||
local a = atan2(dx,dy)-0.25
|
|
||||||
local tdx,tdy=cos(a), sin(a)
|
|
||||||
for i=-r*0.65,r*0.65,0.65 do
|
|
||||||
line(x0+i*tdx, y0+i*tdy, x+i*tdx, y+i*tdy, warm)
|
|
||||||
end
|
|
||||||
rectfill(x-r2,y-r2,x+r2,y+r2,hot)
|
|
||||||
end
|
|
||||||
|
|
||||||
function zot(x,y,r,dx,dy,hot,warm,cold)
|
|
||||||
local x0,y0,sdx,sdy=x-dx,y-dy,sgn(dx),sgn(dy)
|
|
||||||
local rx,ry=r*sdx,r*sdy
|
|
||||||
if cold then
|
|
||||||
rectfill(x0-rx,y0-ry,x0+rx,y0+ry,cold)
|
|
||||||
local sdxh,sdyh=sdx/2,sdy/2
|
|
||||||
line(x0-rx-sdxh,y0+ry+sdyh,x-rx,y+ry,cold)
|
|
||||||
line(x0+rx+sdxh,y0-ry-sdyh,x+rx,y-ry,cold)
|
|
||||||
end
|
|
||||||
for i=-r,r do
|
|
||||||
line(x0+i*sdx,y0-ry,x+rx,y-i*sdy,warm)
|
|
||||||
line(x0-rx,y0+i*sdy,x-i*sdx,y+ry,warm)
|
|
||||||
end
|
|
||||||
for i=-r,r do
|
|
||||||
line(x0,y0,x+rx,y-i*sdy,hot)
|
|
||||||
line(x0,y0,x-i*sdx,y+ry,hot)
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
function respr(x,y,dx,dy,r,s)
|
|
||||||
if (r==0) r=0.5
|
|
||||||
local n=ceil(max(abs(dx),abs(dy))/r/2)
|
|
||||||
local d1x,d1y=dx/n,dy/n
|
|
||||||
r/=4
|
|
||||||
for i=1,n do
|
|
||||||
spr(s,x,y,r,r)
|
|
||||||
x+=d1x
|
|
||||||
y+=d1y
|
|
||||||
end
|
|
||||||
pal()
|
|
||||||
spr(s,x,y,r,r)
|
|
||||||
end
|
|
||||||
|
|
||||||
darkpal = {
|
|
||||||
[7]=4,
|
|
||||||
[9]=2,
|
|
||||||
[10]=4,
|
|
||||||
[8]=2
|
|
||||||
}
|
|
||||||
|
|
||||||
prof(function(dx, dy, r)
|
|
||||||
linefill(32,32,dx,dy,r,10)
|
|
||||||
end,function(dx, dy, r)
|
|
||||||
quickzot(96,32,r,dx,dy,10,9,8)
|
|
||||||
end,function(dx,dy,r)
|
|
||||||
zot(32,96,r,dx,dy,10,9,8)
|
|
||||||
end,function(dx,dy,r)
|
|
||||||
pal(darkpal)
|
|
||||||
respr(96,96,dx,dy,r,r)
|
|
||||||
end,{ locals={4,-9,2} })
|
|
||||||
|
|
||||||
-- "locals" (optional) are
|
|
||||||
-- passed in as args. see the
|
|
||||||
-- usage guide for details.
|
|
||||||
|
|
||||||
__gfx__
|
|
||||||
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|
||||||
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|
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|
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|
||||||
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|
||||||
000000000000000000000000088880009aaaaaa80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
0000000000000000000000000000000009aaaa800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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|
||||||
00000000000000000000000000000000008888000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
__label__
|
|
||||||
00006660000000006660000000006660000006006000606066600000066060600660060000000000000000000000000000000000000000000000000000000000
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|
||||||
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|
||||||
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|
||||||
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|
||||||
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|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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|
||||||
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|
||||||
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|
||||||
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|
||||||
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|
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|
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||||||
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||||||
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|
||||||
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|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
|
|
||||||
|
|
||||||
__sfx__
|
|
||||||
030100003052500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505005050050500505
|
|
||||||
Reference in New Issue
Block a user