add background

cart.wren

@@ -1,17 +1,87 @@
 // title:  game title
 // author: Fabien Freling
-// desc:   short description
+// desc:   (Major Jam 8)
 // script: wren
 
+import "random" for Random
+
+var W = 240
+var H = 136
+var R = Random.new()
+
+class Star {
+	construct new(x, y, size, scrollSpeed, color) {
+		_x = x
+		_y = y
+		_size = size
+		_scrollSpeed = scrollSpeed
+		_color = color
+	}
+
+	update() {
+		_x = _x - _scrollSpeed
+	}
+
+	draw() {
+		TIC.circ(_x, _y, _size, _color)
+	}
+}
+
+class World {
+	construct new() {
+		_t = 0
+		_stars = []
+		for (i in 0..W) {
+			update()
+		}
+	}
+
+	update() {
+		for (s in _stars) {
+			s.update()
+		}
+		// small stars
+		if (_t % 30 == 0) {
+			_stars.add(Star.new(W, R.int(0,H), 1, 1, 12))
+		}
+		// medium stars
+		var width = 10
+		var spaceBetween = width * 5
+		var speed = 0.1
+		var mediumTick = (spaceBetween + width) / speed
+		if (_t % mediumTick == 0) {
+			_stars.add(Star.new(W, R.int(0,H), width, speed, 13))
+		}
+		_t = _t + 1
+	}
+
+	draw() {
+		for (s in _stars) {
+			s.draw()
+		}
+	}
+}
+
 class Game is TIC{
+	state { _state }
+	static start { "start" }
+	static game { "game" }
 
 	construct new() {
 		_t=0
 		_x=96
 		_y=24
+		_state = Game.start
+		_world = World.new()
 	}
 	
 	TIC() {
+		update()
+		draw()
+		_t=_t+1
+	}
+
+	update() {
 		if(TIC.btn(0)){
 			_y=_y-1
 		}
@@ -24,12 +94,14 @@ class Game is TIC{
 		if(TIC.btn(3)){
 			_x=_x+1
 		}
+		_world.update()
+	}
 
-		TIC.cls(13)
-		TIC.spr(1+((_t%60)/30|0)*2,_x,_y,14,3,0,0,2,2)
-		TIC.print("HELLO WORLD!",84,84)
-		
-		_t=_t+1
+	draw() {
+		TIC.cls(0)
+		_world.draw()
+		//TIC.spr(1+((_t%60)/30|0)*2,_x,_y,14,3,0,0,2,2)
+		//TIC.print("HELLO WORLD!",84,84)
 	}
 }