var KEY_A = 0;
var KEY_D = 0;
var KEY_S = 0;
var KEY_W = 0;
var KEY_R = 0;

function handleKeyDown(e) {
	if(e.keyCode == 65)
		KEY_A = 1;
	if(e.keyCode == 68)
		KEY_D = 1;
	if(e.keyCode == 83)
		KEY_S = 1;
	if(e.keyCode == 87)
		KEY_W = 1;
	if(e.keyCode == 82)
		KEY_R = 1;
}

function handleKeyUp(e) {
	if(e.keyCode == 65)
		KEY_A = 0;
	if(e.keyCode == 68)
		KEY_D = 0;
	if(e.keyCode == 83)
		KEY_S = 0;
	if(e.keyCode == 87)
		KEY_W = 0;
	if(e.keyCode == 82)
		KEY_R = 0;
}

var mouse = { x: 0, y: 0 };

function handleMouseMotion(e) {
	e.preventDefault();
	
    mouse.x = ( e.clientX / window.innerWidth ) * 2 - 1;
    mouse.y = - ( e.clientY / window.innerHeight ) * 2 + 1;

	return false;
}