function keyPressed(){
	switch(keyCode){
		case 68: //D
			debug = !debug;
			return false;
		case 71: //G
			grid = !grid;
			return false;
		case RIGHT_ARROW:
			if (state < 16) state++;
			break;
		case LEFT_ARROW:
			if (state > 0) state--;
			break;
	}
	updater();
}

function keyReleased(){
	switch(keyCode){
		
	}
}

function mouseDragged(){
	
}

function mousePressed(){
	
}

function mouseReleased(){
	
}

function mouseWheel(event){
	scale -= event.delta > 0 ? scale / 50 : -scale / 50;
	return false;
}

window.onresize = function(event){
	resizeCanvas($("#canvasHolder").width(), $("#canvasHolder").height());
}

function checkKeys(){
	if (keyIsDown(UP_ARROW) && !keyIsDown(DOWN_ARROW) && scale < 100) scale += scale / 50;
	if (keyIsDown(DOWN_ARROW) && !keyIsDown(UP_ARROW) && scale > 10) scale -= scale / 50;
	if (scale < 10) scale = 10;
	if (scale > 100) scale = 100;
}