Adding game states

pyras.p8

@@ -1,32 +1,32 @@
 pico-8 cartridge // http://www.pico-8.com
 version 33
 __lua__
--- pyras
--- by: djib
+-- escape the pyras
+-- by djib
 
 function _init()
+	initgame()
+	initguy()
 	initpyras()
-	t=0
 end
 
 function _update()
-	waitandmove()
-	eatpyras()
+	updategame()
 end
 
 function _draw()
-	cls()
-	drawbg()
-	drawguy()
-	drawpyras()
+	drawgame()
 end
 -->8
 -- guy
-guy={
-	x=64,
-	y=64,
-	speed=4
-}
+function initguy()
+	guy={
+		x=64,
+		y=64,
+		speed=4,
+		dead=false
+	}
+end
 
 function moveguy()
 	if (btn(0)) guy.x=max(0,guy.x-guy.speed)
@@ -48,10 +48,10 @@ function drawguy()
 	pset(guy.x+guy.speed,guy.y+guy.speed,6)	
 end
 -->8
-pyras={}
-
+-- pyras
 function initpyras()
-	for i=1,200 do
+	pyras={}
+	for i=1,game.nbpyras do
 		pyras[i]={
 			x=flr(rnd(128)),
 			y=flr(rnd(128))
@@ -71,6 +71,10 @@ function movepyras()
 		if (pyra.x<guy.x) pyra.x+=1
 		if (pyra.y>guy.y) pyra.y-=1
 		if (pyra.y<guy.y) pyra.y+=1
+		if pyra.x==guy.x and
+		   pyra.y==guy.y then
+		 guy.dead=true
+		end
 	end		
 end
 
@@ -89,6 +93,17 @@ function eatpyras()
 	end	
 end
 -->8
+-- game
+game={
+	level=4
+}
+
+function initgame()
+	game.state=0
+	game.tick=0
+	game.nbpyras=flr(40*1.25^game.level)
+end
+
 function drawbg()
 	local offset=1
 	if(#pyras>9)offset+=1
@@ -97,13 +112,53 @@ function drawbg()
 	print(#pyras,128-4*offset,1,7)
 end
 
-function waitandmove()
-	if t>0.05*#pyras then
+function waitormove()
+	if game.tick>0.05*#pyras then
 		movepyras()
 		moveguy()
-		t=0
-	else
-		t+=1		
+		game.tick=0
+	end
+end
+
+function updategame()
+	game.tick+=1
+	if game.state==0 then
+		if(btnp(❎))game.state=1
+	elseif game.state==1 then
+		waitormove()
+		eatpyras()
+		if guy.dead then
+		 game.state=3
+		 game.level=max(0,game.level-1)
+		 sfx(1)
+		elseif #pyras==1 then
+			game.state=2
+	 	game.level+=1
+			sfx(2)
+		end
+	elseif game.tick>60 then
+		_init()
+	end
+end
+
+function drawgame()
+	cls()
+	drawbg()
+	drawguy()
+	drawpyras()
+	if game.state==0 then
+		cursor(48,61,7)
+		print "press ❎"
+		print "to start"
+	elseif game.state>1 then
+		cursor(46,61,7)
+	 print "game over"
+	 if game.state==2 then
+	 	print "you won!!"
+	 end
+	 if game.state==3 then
+	 	print "you lost!"
+	 end
 	end
 end
 __gfx__
@@ -115,3 +170,5 @@ __gfx__
 00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 __sfx__
 000100002e05000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+9d0800000215000000000001910018100021500000000000021500000002150000000000014100131000515000000121000415000000041500000011100021500000002150000000010001150000000215000100
+000d00000c150000000f1500f1501315100000000001115000000000000c15000000000000000000000000000000000000000000a15000000000000c150000000000000000000000000000000000000000000000