Player can only walk into pit if they want to

Rope rewrite, part one

We should only care about anchors on the old path

Add comment expressing uncertainty

Add further algo notes

One final note

Well, this is closer to right!!

Elide points as needed

Save current changes

First version I couldn't immediately break

Everything _seems_ to work

Clean up some residual messes

Tidy up more loose ends

Co-authored-by: Nyeogmi <economicsbat@gmail.com>
Reviewed-on: #11

chameleonic.p8

@@ -601,6 +601,9 @@ function level:can_move(
  if is_player and self:win_at(mx0+dmx,my0+dmy) then
   return true 
  end
+ if is_player and self:get_open_pit(mx0+dmx,my0+dmy) then
+  return wrongbleep:adequately_warned()
+ end
 
  if self:mcoll(mx0+dmx,my0+dmy) then
   return false
@@ -768,7 +771,7 @@ function player:update()
     }}
    elseif kbd:btnp(5) then
     if self.rope!=nil then
-     if (not self.rope:tug()) wrongbleep:bleep(7)
+     if (not self.rope:tug()) wrongbleep:bleep(9)
     end
    end
   end
@@ -812,8 +815,9 @@ function player:_fall()
 end
 
 function player:draw()
- local px=self.x*8+self.px
+ local px=self.x*8+self.px+wrongbleep:vibrate()
- local py=self.y*8+self.py
+ local py=self.y*8+self.py+wrongbleep:vibrate()
+
 
  local head=1-self.orienty
 
@@ -911,7 +915,7 @@ function rope:update()
   if (self.state.frame>=3) self.state={name="latched"}
 
  elseif self.state.name=="latched" then
-  if (self.latch==nil) wrongbleep:bleep(3) self:destroy() return
+  if (self.latch==nil) wrongbleep:bleep(5) self:destroy() return
 
   if 
    self.latch!=nil and
@@ -1598,15 +1602,24 @@ wrongbleep={}
 add(real_modules,wrongbleep)
 function wrongbleep:init()
  self.duration=0
+ self.continuous=0
 end
 function wrongbleep:update()
  if (self.duration>5) self.duration=5
- if (self.duration>0) sfx(63,3) 
+ if self.duration>0 then sfx(63,3) self.continuous+=1
- self.duration=max(self.duration-1,-2)
+ else self.continuous=0 end
+ self.duration=max(self.duration-1,-4)
 end
 function wrongbleep:bleep(duration)
  self.duration+=duration or 2
 end
+function wrongbleep:vibrate(duration)
+ if (self.continuous<10) return 0
+ return (rnd()*2-1)*min(self.continuous/10,2)
+end
+function wrongbleep:adequately_warned(duration)
+ return self.continuous>45
+end
 
 
 __gfx__