coldet toomgis

toomgis.p8

@@ -30,7 +30,7 @@ function ampm_draw()
 	local fx = 78
 	if ampm_t > 300 then
 	 tx = 140 - (ampm_t-300)
-		toomgis(tx, 50)
+		toomgis_draw(tx, 50)
 		fx = min(tx, 78)
 	else
 		
@@ -88,13 +88,14 @@ vx = 0
 vy = 0
 yacc = 0
 
+function toomgis_radius()
+	return 8 + (pieces / MAX_PIECES) * 30
+end
 
 function add2body(n)
 	if pieces < MAX_PIECES then
 		pieces += 1
-		-- center hole + variance + grow outwards
+		add(tbody, {n=n, r=toomgis_radius() + rnd(7), off=rnd(4)})
-		local r = 5 + rnd(5) + (pieces / MAX_PIECES) * 25
-		add(tbody, {n=n, r=r, off=rnd(4)})
 	end
 end
 
@@ -108,10 +109,10 @@ end
 
 
 function toomgis_draw(x, y)
-	--sprm(32, x, y+12, 1, 2)
+	--printh(x..","..y)
 	for i=1,#tbody do
 		-- rotate drawing order
-		local bs = tbody[(i+flr(th)) % #tbody + 1]
+		local bs = tbody[(i+flr(tangle)) % #tbody + 1]
 		spr(bs.n,
 		 x+4+bs.r*sin(tangle+bs.off),
 		 y+4+bs.r*cos(tangle+bs.off)
@@ -125,7 +126,6 @@ function toomgis_upd()
 	px += vx
 	py = max(0, py+vy)
 	vy += yacc
-	printh("vy="..vy.." yacc="..yacc)
 end
 -->8
 -- level
@@ -144,6 +144,19 @@ levels = {
 }
 lvl = levels[1]
 horizon = 64
+items = {
+	{x=0, y=0, n=0},
+	{x=0, y=0, n=0},
+	{x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+	-- {x=0, y=0, n=0},
+}
+
 
 function level_draw()
 
@@ -159,10 +172,20 @@ function level_draw()
 	local h=24 * zoom
 	for y=0,h do
 		tline(0, 128-h+y, 128, 128-h+y,
-		(px-20)/(8*zoom), 2+y/(8*zoom), 1/(8*zoom), 0)
+		(px)/(8*zoom), 2+y/(8*zoom), 1/(8*zoom), 0)
 	end
 
 	toomgis_draw(20, 96-py)
+
+	for item in all(items) do 
+		if item.n != 0 then
+			spr(item.n, item.x-px, item.y)
+			-- collider
+			circ(item.x-px+4, item.y+4, 4, 8)
+		end
+	end
+
+	--printh(dist(px-20, py, item.x, item.y))
 end
 
 function level_upd()
@@ -178,7 +201,7 @@ function level_upd()
 		vx = 3
 	end
 	if btnp(❎) and py == 0 then
-		yacc = 10
+		yacc = 6
 	elseif py > 0 then
 		yacc = -3
 	elseif py == 0 and yacc < 0 then
@@ -187,9 +210,47 @@ function level_upd()
 		vy = 0
 	end
 
+	-- check for falling off back of screen and player collide
+	for item in all(items) do
+		if item.x < px then
+			item.n = 0
+		end
+
+		local d = dist(20+8, 96-py+8, item.x+4-px, item.y+4) 
+		--printh(item.n.." "..(item.x+4-px)..","..(item.y+4).." d="..d)
+		if d < toomgis_radius() and item.n != 0 then
+			item.n = 0
+		end
+	end
+	-- add item if inactive (chance increases as more slots inactive)
+	to_check = rnd(items)
+	if to_check.n == 0 then
+		to_check.n = flr(rnd(14)+2)
+		to_check.x = px + 128 + rnd(100)
+		to_check.y = rnd(100)
+	end
+
 	-- make toomgis bigger as he rolls
-	add2body(flr(rnd(14)+2))
+	--add2body(flr(rnd(14)+2))
 end
+
+-->8
+-- utils
+function dist(x0,y0,x1,y1)
+	-- scale inputs down by 6 bits
+	local dx=(x0-x1)/64
+	local dy=(y0-y1)/64
+	
+	-- get distance squared
+	local dsq=dx*dx+dy*dy
+	
+	-- in case of overflow/wrap
+	if(dsq<0) return 32767.99999
+	
+	-- scale output back up by 6 bits
+	return sqrt(dsq)*64
+end
+
 __gfx__
 000022220000000000444400000ee000aaaaaaaa0000000000555500045454000099990000087000000000000cccccc00077700000000a0000ffff0000005555
 000222220000000004eee440009ea9000aa77aa0060000000088880004545400099999900007400009f9f9f0cc1111cc06444660000a0a000fff4ff000055555