<!DOCTYPE HTML>
<html>
<head>
<title>pixi.js example 15 - Filters</title>
<style>
body {
margin: 0;
padding: 0;
background-color: #000000;
}
</style>
<script src="../../bin/pixi.dev.js"></script>
<script src="dat.gui.min.js"></script>
<script src="pixi.js"></script>
</head>
<body>
<script>
var renderer = PIXI.autoDetectRenderer(630, 410);
renderer.view.style.position = "absolute"
renderer.view.style.width = window.innerWidth + "px";
renderer.view.style.height = window.innerHeight + "px";
renderer.view.style.display = "block";
var filtersSwitchs = [false, false, false, false, false, false, false, false];
// add render view to DOM
document.body.appendChild(renderer.view);
var gui = new dat.GUI({
//height : 5 * 32 - 1,
width : 350
});
var blurFilter = new PIXI.BlurFilter();
var blurFolder = gui.addFolder('Blur');
blurFolder.add(filtersSwitchs, '0').name("apply");
blurFolder.add(blurFilter, 'blurX', 0, 32).name("blurX");
blurFolder.add(blurFilter, 'blurY', 0, 32).name("blurY");
////
var pixelateFilter = new PIXI.PixelateFilter();
var pixelateFolder = gui.addFolder('Pixelate');
pixelateFolder.add(filtersSwitchs, '1').name("apply");
pixelateFolder.add(pixelateFilter.size, 'x', 1, 32).name("PixelSizeX");
pixelateFolder.add(pixelateFilter.size, 'y', 1, 32).name("PixelSizeY");
////
var invertFilter = new PIXI.InvertFilter();
var invertFolder = gui.addFolder('Invert');
invertFolder.add(filtersSwitchs, '2').name("apply");
invertFolder.add(invertFilter, 'invert', 0, 1).name("Invert");
////
var greyFilter = new PIXI.GreyFilter();
var greyFolder = gui.addFolder('Grey');
greyFolder.add(filtersSwitchs, '3').name("apply");
greyFolder.add(greyFilter, 'grey', 0, 1).name("Grey");
////
var sepiaFilter = new PIXI.SepiaFilter();
var sepiaFolder = gui.addFolder('Sepia');
sepiaFolder.add(filtersSwitchs, '4').name("apply");
sepiaFolder.add(sepiaFilter, 'sepia', 0, 1).name("Sepia");
////
var twistFilter = new PIXI.TwistFilter();
var twistFolder = gui.addFolder('Twist');
twistFolder.add(filtersSwitchs, '5').name("apply");
twistFolder.add(twistFilter, 'angle', 0, 10).name("Angle");
twistFolder.add(twistFilter, 'radius', 0, 1).name("Radius");
twistFolder.add(twistFilter.offset, 'x', 0, 1).name("offset.x");;
twistFolder.add(twistFilter.offset, 'y', 0, 1).name("offset.y");;
////
var dotScreenFilter = new PIXI.DotScreenFilter();
var dotScreenFolder = gui.addFolder('DotScreen');
dotScreenFolder.add(filtersSwitchs, '6').name("apply");
dotScreenFolder.add(dotScreenFilter, 'angle', 0, 10);
dotScreenFolder.add(dotScreenFilter, 'scale', 0, 1);
////
var colorStepFilter = new PIXI.ColorStepFilter();
var colorStepFolder = gui.addFolder('ColorStep');
colorStepFolder.add(filtersSwitchs, '7').name("apply");
colorStepFolder.add(colorStepFilter, 'step', 1, 100);
colorStepFolder.add(colorStepFilter, 'step', 1, 100);
var filterCollection = [blurFilter, pixelateFilter, invertFilter, greyFilter, sepiaFilter, twistFilter, dotScreenFilter, colorStepFilter];
// create an new instance of a pixi stage
var stage = new PIXI.Stage(0xFFFFFF, true);
var pondContainer = new PIXI.DisplayObjectContainer();
stage.addChild(pondContainer);
stage.interactive = true;
var bg = PIXI.Sprite.fromImage("displacement_BG.jpg");
pondContainer.addChild(bg);
//var fish = PIXI.Sprite.fromImage("displacement_fish2.jpg");//
//littleDudes.position.y = 100;
var padding = 100;
var bounds = new PIXI.Rectangle(-padding, -padding, 630 + padding * 2, 410 + padding * 2)
var fishs = [];
for (var i = 0; i < 20; i++)
{
var fishId = i % 4;
fishId += 1;
//console.log("displacement_fish"+fishId+".png")
var fish = PIXI.Sprite.fromImage("displacement_fish"+fishId+".png");
fish.anchor.x = fish.anchor.y = 0.5;
pondContainer.addChild(fish);
//var direction
//var speed =
fish.direction = Math.random() * Math.PI * 2;
fish.speed = 2 + Math.random() * 2;
fish.turnSpeed = Math.random() - 0.8;
fish.position.x = Math.random() * bounds.width;
fish.position.y = Math.random() * bounds.height;
//fish.speed = new PIXI.Point(0,0)
fish.scale.x = fish.scale.y = 0.8 + Math.random() * 0.3;
fishs.push(fish);
};
var overlay = new PIXI.TilingSprite(PIXI.Texture.fromImage("zeldaWaves.png"), 630, 410);
overlay.alpha = 0.2
pondContainer.addChild(overlay);
var displacementTexture = PIXI.Texture.fromImage("displacement_map.jpg");
var displacementFilter = new PIXI.DisplacementFilter(displacementTexture);
pondContainer.filters = [displacementFilter];
displacementFilter.scale.x = 50;
displacementFilter.scale.y = 50;
var count = 0;
var switchy = false;
/*
* Add a pixi Logo!
*/
var logo = PIXI.Sprite.fromImage("../../logo_small.png")
stage.addChild(logo);
logo.anchor.x = 1;
logo.anchor.y = 1;
logo.position.x = 630
logo.scale.x = logo.scale.y = 0.5;
logo.position.y = 400;
logo.interactive = true;
logo.buttonMode = true;
logo.click = logo.tap = function()
{
window.open("https://github.com/GoodBoyDigital/pixi.js", "_blank")
}
requestAnimFrame(animate);
function animate() {
count += 0.1;
var blurAmount = Math.cos(count) ;
var blurAmount2 = Math.sin(count * 0.8) ;
var filtersToApply = [];
for (var i = 0; i < filterCollection.length; i++) {
if(filtersSwitchs[i])filtersToApply.push(filterCollection[i]);
};
stage.filters = filtersToApply.length > 0 ? filtersToApply : null;
for (var i = 0; i < fishs.length; i++)
{
var fish = fishs[i];
fish.direction += fish.turnSpeed * 0.01;
fish.position.x += Math.sin(fish.direction) * fish.speed;
fish.position.y += Math.cos(fish.direction) * fish.speed;
fish.rotation = -fish.direction - Math.PI/2;
// wrap..
if(fish.position.x < bounds.x)fish.position.x += bounds.width;
if(fish.position.x > bounds.x + bounds.width)fish.position.x -= bounds.width
if(fish.position.y < bounds.y)fish.position.y += bounds.height;
if(fish.position.y > bounds.y + bounds.height)fish.position.y -= bounds.height
}
displacementFilter.offset.x = count * 10//blurAmount * 40;
displacementFilter.offset.y = count * 10
overlay.tilePosition.x = count * -10//blurAmount * 40;
overlay.tilePosition.y = count * -10
renderer.render(stage);
requestAnimFrame( animate );
}
</script>
</body>
</html>
