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130 lines
3.5 KiB
130 lines
3.5 KiB
<!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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<div id="container"></div>
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<script src="../build/three.js"></script>
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<script src="js/shaders/CopyShader.js"></script>
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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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<script src="js/WebGL.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var composer, renderer;
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var box, torus;
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init();
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animate();
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function init() {
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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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var scene1 = new THREE.Scene();
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var scene2 = new THREE.Scene();
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box = new THREE.Mesh( new THREE.BoxBufferGeometry( 4, 4, 4 ) );
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scene1.add( box );
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torus = new THREE.Mesh( new THREE.TorusBufferGeometry( 3, 1, 16, 32 ) );
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scene2.add( torus );
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renderer = new THREE.WebGLRenderer();
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renderer.setClearColor( 0xe0e0e0 );
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renderer.setPixelRatio( window.devicePixelRatio );
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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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var clearPass = new THREE.ClearPass();
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var clearMaskPass = new THREE.ClearMaskPass();
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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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var texture1 = new THREE.TextureLoader().load( 'textures/758px-Canestra_di_frutta_(Caravaggio).jpg' );
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texture1.minFilter = THREE.LinearFilter;
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var texture2 = new THREE.TextureLoader().load( 'textures/2294472375_24a3b8ef46_o.jpg' );
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var texturePass1 = new THREE.TexturePass( texture1 );
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var texturePass2 = new THREE.TexturePass( texture2 );
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var outputPass = new THREE.ShaderPass( THREE.CopyShader );
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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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var renderTarget = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, parameters );
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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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function animate() {
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requestAnimationFrame( animate );
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var time = performance.now() * 0.001;
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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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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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renderer.clear();
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composer.render( time );
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}
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</script>
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</body>
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</html>
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