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try using a path for a skirmisher

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slightly stabilized but the length operator does not work in the presence of Lua Crimes like this so it needs more work
This commit is contained in:
Kistaro Windrider
2025-07-06 19:25:43 -07:00
parent 383491fc5d
commit 6efd05febe
1 changed files with 43 additions and 7 deletions
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50
vacuum_gambit.p8
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@ -194,7 +194,9 @@ function updategame()
interlude -= 1
else
current_wave = flotilla.new()
current_wave:load(rnd() > 0.5 and 7 or 0, 0, min(ones(waves_complete)\2, 4))
--current_wave:load(rnd() > 0.5 and 7 or 0, 0, min(ones(waves_complete)\2, 4))
current_wave:load(0, 0, min(ones(waves_complete)\2, 4))
current_wave:update()
end
events = filtermoved(events)
appendmove(events, new_events)
@ -662,7 +664,7 @@ function destination:target_from(fx, fy)
if (xf > 0) rx = lerp(rx, 112, xf)
if (yf < 0) ry = lerp(ry, 0, -yf)
if (yf > 0) ry = lerp(ry, 128, yf)
return rx, ry
return rx, ry, self.accel_frac
end
segment = mknew{
@ -689,7 +691,7 @@ segment = mknew{
x.init = segment.reset
mknew(x)
if not x.mirror then
local mirrored = {mirror=x}
local mirrored = {mirror=x, init=segment.reset}
for i, v in ipairs(x) do
mirrored[i] = destination.new{
anchor_frac=v.anchor_frac,
@ -698,7 +700,7 @@ segment = mknew{
y_off_frac=v.y_off_frac,
}
end
x.mirror = x.new(mirrored)
x.mirror = mknew(x.new(mirrored))
end
end
}
@ -712,9 +714,9 @@ function segment:reset()
end
function segment:target_from(fx, fy)
local rx, ry = self[self.current_idx]:target_from(fx, fy)
local rx, ry, af = self[self.current_idx]:target_from(fx, fy)
self.dest_x, self.dest_y = rx, ry
return rx, ry
return rx, ry, af
end
function segment:update(x, y)
@ -1487,13 +1489,26 @@ ship_f = mknew(ship_m.new{
act = function(self)
local wx,wy=self.want_x,self.want_y
self.xmin,self.xmax,self.ymin,self.ymax = wx,wx,wy,wy
return 0,0,false,false
return 0,0
end,
init = function(self)
if (self.gun_proto) self.main_gun = self.gun_proto.new()
if (self.path) self.path = self.path.new()
end
})
diamond_loop = segment.new{
destination.new{
x_off_frac=0.25
}, destination.new{
y_off_frac=0.25
}, destination.new {
x_off_frac = -0.25
}, destination.new {
y_off_frac = -0.25
},
}
ship_mook = mknew(ship_f.new{
sprite=103
})
@ -1515,12 +1530,33 @@ ship_skirmisher = mknew(ship_f.new{
fire_off_y = 7,
xmin = -8,
xmax = 112,
path = diamond_loop,
})
function ship_skirmisher:reset_bounds()
self.xmin, self.xmax, self.ymin, self.ymax = -8, 112, 0, 120
end
function ship_skirmisher:act()
local tx, ty, af = self.path:target_from(self.want_x+4, self.want_y+4)
tx -= 4
ty -= 4
if af <= 0 then
self.xmin, self.xmax, self.ymin, self.ymax = tx,tx,ty,ty
return 0,0
end
self:reset_bounds()
local ax, ay, th = tx - self.x, ty - self.y, self.thrust*af
local ma = max(abs(ax), abs(ay))
return ax*th/ma, ay*th/ma
end
function ship_skirmisher:move()
if (not ship_f.move(self)) return
if (not self.path:update(self.x+4, self.y+4)) self.path:reset()
return true
end
function rnd_spawn_loc()
local x,y = flr(rnd(304)), flr(rnd(32))
if (x<184) return x-40,-y-8