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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js webgl - postprocessing - masking</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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+ <style>
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+ body {
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+ background-color: #000;
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+ margin: 0px;
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+ overflow: hidden;
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+ }
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+ </style>
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+ </head>
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+ <body>
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+
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+ <div id="container"></div>
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+
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+ <script src="../build/three.min.js"></script>
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+
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+ <script src="js/shaders/CopyShader.js"></script>
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+
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+ <script src="js/postprocessing/EffectComposer.js"></script>
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+ <script src="js/postprocessing/ClearPass.js"></script>
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+ <script src="js/postprocessing/TexturePass.js"></script>
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+ <script src="js/postprocessing/ShaderPass.js"></script>
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+ <script src="js/postprocessing/MaskPass.js"></script>
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+
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+ <script src="js/Detector.js"></script>
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+ <script src="js/libs/stats.min.js"></script>
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+
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+ <script>
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+
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+ if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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+
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+ var composer, renderer;
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+ var box, torus;
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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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+ var camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.position.z = 10;
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+
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+ var scene1 = new THREE.Scene();
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+ var scene2 = new THREE.Scene();
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+
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+ box = new THREE.Mesh( new THREE.BoxGeometry( 4, 4, 4 ) );
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+ scene1.add( box );
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+
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+ torus = new THREE.Mesh( new THREE.TorusGeometry( 3, 1, 16, 32 ) );
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+ scene2.add( torus );
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: false } );
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+ renderer.setClearColor( 0xe0e0e0 );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ renderer.autoClear = false;
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+ document.body.appendChild( renderer.domElement );
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+
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+ //
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+
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+ var clearPass = new THREE.ClearPass();
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+
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+ var clearMaskPass = new THREE.ClearMaskPass();
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+
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+ var maskPass1 = new THREE.MaskPass( scene1, camera );
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+ var maskPass2 = new THREE.MaskPass( scene2, camera );
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+
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+ var texture1 = new THREE.TextureLoader().load( 'textures/758px-Canestra_di_frutta_(Caravaggio).jpg' );
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+ var texture2 = new THREE.TextureLoader().load( 'textures/2294472375_24a3b8ef46_o.jpg' );
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+
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+ var texturePass1 = new THREE.TexturePass( texture1 );
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+ var texturePass2 = new THREE.TexturePass( texture2 );
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+
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+ var outputPass = new THREE.ShaderPass( THREE.CopyShader );
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+ outputPass.renderToScreen = true;
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+
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+ var parameters = {
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+ minFilter: THREE.LinearFilter,
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+ magFilter: THREE.LinearFilter,
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+ format: THREE.RGBFormat,
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+ stencilBuffer: true
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+ };
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+
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+ var renderTarget = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, parameters );
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+
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+ composer = new THREE.EffectComposer( renderer, renderTarget );
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+ composer.addPass( clearPass );
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+ composer.addPass( maskPass1 );
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+ composer.addPass( texturePass1 );
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+ composer.addPass( clearMaskPass );
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+ composer.addPass( maskPass2 );
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+ composer.addPass( texturePass2 );
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+ composer.addPass( clearMaskPass );
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+ composer.addPass( outputPass );
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+
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+ }
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+
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+ var time = performance.now() * 0.001;
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+
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+ box.position.x = Math.cos( time / 1.5 ) * 2;
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+ box.position.y = Math.sin( time ) * 2;
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+ box.rotation.x = time;
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+ box.rotation.y = time / 2;
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+
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+ torus.position.x = Math.cos( time ) * 2;
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+ torus.position.y = Math.sin( time / 1.5 ) * 2;
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+ torus.rotation.x = time;
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+ torus.rotation.y = time / 2;
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+
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+ renderer.clear();
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+ composer.render( time );
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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Mr.doob