add draw/update stat readout

surprisingly, update is most of my problem

vacuum_gambit.p8

@@ -199,6 +199,7 @@ end
 
 function _update60()
  mode:update()
+ ustat = stat(1)
 end
 
 function ones(n)
@@ -257,30 +258,21 @@ function updategame()
    if(es:hitship(ps)) eship_collider:yoink(es)
   end
   ebullets:strip(function(eb)
-   local disposition
-   repeat
-    disposition=eb:step()
-    if collides(pbox, hurtbox(eb)) then
-     ps:hitbullet(eb)
-     if (eb:hitship(ps)) return true
-    end
-   until disposition
-   return disposition == "dead"
+   if (eb:move()) return true
+   if (not collides(pbox, hurtbox(eb))) return
+   ps:hitbullet(eb)
+   return eb:hitship(ps)
   end)
  else
-  ebullets:strip(function(eb) repeat until eb:step() end)
+  ebullets:stripmove()
  end
 
  pbullets:strip(function(pb)
-  local disposition
-  repeat
-   disposition=pb:step()
-   for es in eship_collider:iterate_collisions(hurtbox(pb)) do
-    if (es:hitbullet(pb)) eship_collider:yoink(es)
-    if (pb:hitship(es)) return true
-   end
-  until disposition
-  return disposition == "dead"
+  if (pb:move()) return true
+  for es in eship_collider:iterate_collisions(hurtbox(pb)) do
+   if (es:hitbullet(pb)) eship_collider:yoink(es)
+   if (pb:hitship(es)) return true
+  end
  end)
  
  intangibles_fg:stripmove()
@@ -304,6 +296,8 @@ end
 
 function _draw()
  mode:draw()
+ local ds = stat(1)
+ print(tostr(ustat).." + "..tostr(ds-ustat), 0, 122, 7)
 end
 
 function drawgame_top()
@@ -594,17 +588,22 @@ end
 function ship_m:move()
  self:refresh_shield()
  local dx, dy, shoot_spec1, shoot_spec2 = self:act()
- dx = self:constrain(self.x, self.xmomentum, self.xmin, self.xmax, dx)
- dy = self:constrain(self.y, self.ymomentum, self.ymin, self.ymax, dy)
+ local sg, xm, ym = self.special_guns, self.xmomentum, self.ymomentum
+ dx = self:constrain(self.x, xm, self.xmin, self.xmax, dx)
+ dy = self:constrain(self.y, ym, self.ymin, self.ymax, dy)
  self:maybe_shoot(self.main_gun)
- if (shoot_spec1 and self.special_guns) self:maybe_shoot(self.special_guns[1])
- if (shoot_spec2 and self.special_guns) self:maybe_shoot(self.special_guns[2])
+ if sg then
+  if (shoot_spec1) self:maybe_shoot(sg[1])
+  if (shoot_spec2) self:maybe_shoot(sg[2])
+ end
  spark(self.sparks, self.x + 4*self.size, self.y + 4*self.size, dx*2.5, dy*2.5, self.sparkodds)
- self.xmomentum = self:calc_velocity(self.xmomentum, dx)
- self.ymomentum = self:calc_velocity(self.ymomentum, dy)
+ xm = self:calc_velocity(xm, dx)
+ ym = self:calc_velocity(ym, dy)
 
- self.x += self.xmomentum
- self.y += self.ymomentum
+ self.x += xm
+ self.y += ym
+ self.xmomentum = xm
+ self.ymomentum = ym
 
  return false
 end
@@ -700,10 +699,7 @@ end
 --   default: die, return true.
 --   returns whether to delete
 --   the bullet
-bullet_base = mknew{
- steps=1,
- current_step=0
-}
+bullet_base = mknew{}
 
 gun_base = mknew{ 
  shoot_ready = -32768,
@@ -829,29 +825,18 @@ function bullet_base:hitship(_)
  return true
 end
 
-function bullet_base:step()
- self.current_step=(self.current_step+1)%self.steps
- self.x += self.dx
- self.y += self.dy
- if (self.f) self.f -= 1
- if ((self.y > 130) or (self.y < -self.height*8) or (self.f and self.f < 0) or (self.x > 128) or (self.x < -self.width*8)) return "dead"
- if (self.current_step == 0) return "stop"
+function bullet_base:move()
+ local x,y,f = self.x + self.dx, self.y+self.dy,self.f
+ self.x,self.y=x,y
+ if f then
+  self.f = f-1
+  if (f <= 0) return true
+ end
+ return (y> 130) or (y < -(self.height<<3)) or (x > 128) or (x < -(self.width<<3))
 end
 
-warmpal = {
- [0]=0,1,2,1,2,1,5,10,2,4,9,3,13,5,8,9
-}
-
 function bullet_base:draw()
- 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)
+ spr(self.sprite, self.x, self.y, self.width, self.height)
 end
 
 function bullet_base:spawn_at(x, y)
@@ -889,25 +874,20 @@ function gun_base:actually_shoot(x, y)
  self.shot_idx = idx
  shots = shots[idx]
  for s in all(shots) do
-  local a,xo,v = unpack(s)
-  v = v or veloc
-  xo = xo or 0
+  local a,xo,v = s[1]+aim, s[2] or 0, s[3] or veloc
   -- reverse x-offset for negative base angle
   if (aim < 0) xo = -xo
-  a += aim
   -- todo: switch munition
   --  depending on angle
   --  (allows for non-round
   --   sprites and hitboxes on
   --   shots from guns with
   --   widely varying angles)
-  local m = munition.new{}
-  -- todo: automatically make
-  -- high velocity shots do
-  -- multiple collision checks
-  m.dy = sin(a) * veloc
-  m.dx = cos(a) * veloc
-  m:spawn_at(x+(xo or 0), y)
+  local m = munition.new{
+   dx=cos(a)*v,
+   dy=sin(a)*v
+  }
+  m:spawn_at(x+xo, y)
  end
 end
 
@@ -919,16 +899,15 @@ zap_p = mknew(bullet_base.new{
  --shape
  sprite = 8, --index of ammo sprite
  width = 0.25, --in 8x8 blocks
- height = 0.25,
+ height = 1,
  hurt = { -- hurtbox - where this ship can be hit
   x_off = 0, -- upper left corner
   y_off = 0, -- relative to sprite
   width = 2,
-  height = 2,
+  height = 8,
  },
  x_off = 1, -- how to position by ship
  y_off = 0,
- steps=4,
  damage = 1,
 
  hitship = const_fxn(true),
@@ -939,7 +918,7 @@ zap_p = mknew(bullet_base.new{
 zap_gun_p = mknew(gun_base.new{
  icon = 19,
  cooldown = 0x0.0020, -- frames between shots
- veloc = 2,
+ veloc = 7,
  aim = 0.25,
  munition = zap_p,
  hdr = "mAIN gUN",
@@ -2032,14 +2011,14 @@ function rearm_mode:update()
 end
 
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