<!DOCTYPE HTML>
<html>
<head>
<title>pixi.js example 14 - Masking</title>
<style>
body {
margin: 0;
padding: 0;
background-color: #000000;
}
</style>
<script src="../../bin/pixi.dev.js"></script>
</head>
<body>
<script>
// create an new instance of a pixi stage
var stage = new PIXI.Stage(0xFFFFFF, true);
stage.interactive = true;
var bg = PIXI.Sprite.fromImage("BGrotate.jpg");
bg.anchor.x = 0.5;
bg.anchor.y = 0.5;
bg.position.x = 620 / 2;
bg.position.y = 380 / 2;
stage.addChild(bg);
var container = new PIXI.DisplayObjectContainer();
container.position.x = 620 / 2;
container.position.y = 380 / 2;
var bgFront = PIXI.Sprite.fromImage("SceneRotate.jpg");
bgFront.anchor.x = 0.5;
bgFront.anchor.y = 0.5;
container.addChild(bgFront);
var light2 = PIXI.Sprite.fromImage("LightRotate2.png");
light2.anchor.x = 0.5;
light2.anchor.y = 0.5;
container.addChild(light2);
var light1 = PIXI.Sprite.fromImage("LightRotate1.png");
light1.anchor.x = 0.5;
light1.anchor.y = 0.5;
container.addChild(light1);
var panda = PIXI.Sprite.fromImage("panda.png");
panda.anchor.x = 0.5;
panda.anchor.y = 0.5;
container.addChild(panda);
stage.addChild(container);
// create a renderer instance
var renderer = PIXI.autoDetectRenderer(620, 380);
renderer.view.style.position = "absolute"
renderer.view.style.marginLeft = "-310px";
renderer.view.style.marginTop = "-190px";
renderer.view.style.top = "50%";
renderer.view.style.left = "50%";
renderer.view.style.display = "block";
// add render view to DOM
document.body.appendChild(renderer.view);
// lets create moving shape
var thing = new PIXI.Graphics();
stage.addChild(thing);
thing.position.x = 620 / 2;
thing.position.y = 380 / 2;
thing.lineStyle(0);
container.mask = thing;
var count = 0;
stage.click = stage.tap = function()
{
if(!container.mask)
{
container.mask = thing;
}
else
{
container.mask = null;
}
}
/*
* Add a pixi Logo!
*/
var logo = PIXI.Sprite.fromImage("../../logo_small.png")
stage.addChild(logo);
logo.anchor.x = 1;
logo.position.x = 620
logo.scale.x = logo.scale.y = 0.5;
logo.position.y = 320
logo.interactive = true;
logo.buttonMode = true;
logo.click = logo.tap = function()
{
window.open("https://github.com/GoodBoyDigital/pixi.js", "_blank");
}
var help = new PIXI.Text("Click to turn masking on / off.", {font:"bold 12pt Arial", fill:"white"});
help.position.y = 350;
help.position.x = 10;
stage.addChild(help);
requestAnimFrame(animate);
function animate() {
bg.rotation += 0.01;
bgFront.rotation -= 0.01;
light1.rotation += 0.02;
light2.rotation += 0.01;
panda.scale.x = 1 + Math.sin(count) * 0.04;
panda.scale.y = 1 + Math.cos(count) * 0.04;
count += 0.1;
thing.clear();
thing.beginFill(0x8bc5ff, 0.4);
thing.moveTo(-120 + Math.sin(count) * 20, -100 + Math.cos(count)* 20);
thing.lineTo(-320 + Math.cos(count)* 20, 100 + Math.sin(count)* 20);
thing.lineTo(120 + Math.cos(count) * 20, -100 + Math.sin(count)* 20);
thing.lineTo(120 + Math.sin(count) * 20, 100 + Math.cos(count)* 20);
thing.lineTo(-120 + Math.cos(count)* 20, 100 + Math.sin(count)* 20);
thing.lineTo(-120 + Math.sin(count) * 20, -300 + Math.cos(count)* 20);
thing.lineTo(-320 + Math.sin(count) * 20, -100 + Math.cos(count)* 20);
thing.rotation = count * 0.1;
renderer.render(stage);
requestAnimFrame(animate);
}
</script>
</body>
</html>
