fast shot rendering prototype

it's slow *and* it sucks, and making it not suck will make it much slower. this is bad

vacuum_gambit.p8

@@ -838,8 +838,20 @@ function bullet_base:step()
  if (self.current_step == 0) return "stop"
 end
 
+warmpal = {
+ [0]=0,1,2,1,2,1,5,10,2,4,9,3,13,5,8,9
+}
+
 function bullet_base:draw()
- spr(self.sprite, self.x, self.y, self.width, self.height)
+ local s,bx,by,dx,dy,w,h,st = self.sprite,self.x,self.y,self.dx,self.dy,self.width,self.height,self.steps
+ if st > 1 then
+  pal(warmpal)
+   for n=st-1,1,-1 do
+    spr(s, bx-n*dx, by-n*dy, w, h)
+   end
+  pal()
+ end
+ spr(s, bx, by, w, h)
 end
 
 function bullet_base:spawn_at(x, y)
@@ -903,44 +915,33 @@ end
 -->8
 -- bullets and guns
 
-zap_e = mknew(bullet_base.new{
+zap_p = mknew(bullet_base.new{
  --shape
- sprite = 9, --index of ammo sprite
- width = 1, --in 8x8 blocks
- height = 1,
+ sprite = 8, --index of ammo sprite
+ width = 0.25, --in 8x8 blocks
+ height = 0.25,
  hurt = { -- hurtbox - where this ship can be hit
   x_off = 0, -- upper left corner
   y_off = 0, -- relative to sprite
   width = 2,
-  height = 8
+  height = 2,
  },
  x_off = 1, -- how to position by ship
- y_off = 8,
- 
+ y_off = 0,
+ steps=4,
  damage = 1,
 
  hitship = const_fxn(true),
 
- category = enemy_blt_cat,
-})
-
-zap_p = mknew(zap_e.new{
- sprite = 8,
- y_off = 0,
  category = player_blt_cat,
 })
 
-zap_gun_e = mknew(gun_base.new{
- cooldown = 0x0.0020, -- frames between shots
- veloc = 4,
- munition = zap_e,
-})
-
-zap_gun_p = mknew(zap_gun_e.new{
+zap_gun_p = mknew(gun_base.new{
  icon = 19,
- munition = zap_p,
- veloc = 8,
+ cooldown = 0x0.0020, -- frames between shots
+ veloc = 2,
  aim = 0.25,
+ munition = zap_p,
  hdr = "mAIN gUN",
 })
 
@@ -1333,7 +1334,7 @@ chasey = mknew(ship_m.new{
  drag = 0.075,
 
  init = function(ship)
-  ship.main_gun=ship.main_gun or zap_gun_e.new{}
+  --ship.main_gun=ship.main_gun or zap_gun_e.new{}
  end
 })
 
@@ -2031,14 +2032,14 @@ function rearm_mode:update()
 end
 
 __gfx__
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