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87 lines
2.0 KiB
87 lines
2.0 KiB
2 years ago
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import * as THREE from '../../../build/three.module.js';
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var camera, scene, renderer, group;
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function init( canvas, width, height, pixelRatio, path ) {
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camera = new THREE.PerspectiveCamera( 40, width / height, 1, 1000 );
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camera.position.z = 200;
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scene = new THREE.Scene();
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scene.fog = new THREE.Fog( 0x444466, 100, 400 );
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scene.background = new THREE.Color( 0x444466 );
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group = new THREE.Group();
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scene.add( group );
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// we don't use ImageLoader since it has a DOM dependency (HTML5 image element)
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var loader = new THREE.ImageBitmapLoader().setPath( path );
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loader.setOptions( { imageOrientation: 'flipY' } );
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loader.load( 'textures/matcaps/matcap-porcelain-white.jpg', function ( imageBitmap ) {
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var texture = new THREE.CanvasTexture( imageBitmap );
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var geometry = new THREE.IcosahedronGeometry( 5, 8 );
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var materials = [
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new THREE.MeshMatcapMaterial( { color: 0xaa24df, matcap: texture } ),
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new THREE.MeshMatcapMaterial( { color: 0x605d90, matcap: texture } ),
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new THREE.MeshMatcapMaterial( { color: 0xe04a3f, matcap: texture } ),
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new THREE.MeshMatcapMaterial( { color: 0xe30456, matcap: texture } )
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];
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for ( var i = 0; i < 100; i ++ ) {
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var material = materials[ i % materials.length ];
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var mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = random() * 200 - 100;
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mesh.position.y = random() * 200 - 100;
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mesh.position.z = random() * 200 - 100;
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mesh.scale.setScalar( random() + 1 );
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group.add( mesh );
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}
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renderer = new THREE.WebGLRenderer( { antialias: true, canvas: canvas } );
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renderer.setPixelRatio( pixelRatio );
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renderer.setSize( width, height, false );
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animate();
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} );
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}
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function animate() {
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// group.rotation.x = Date.now() / 4000;
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group.rotation.y = - Date.now() / 4000;
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renderer.render( scene, camera );
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if ( self.requestAnimationFrame ) {
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self.requestAnimationFrame( animate );
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} else {
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// Firefox
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}
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}
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// PRNG
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var seed = 1;
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function random() {
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var x = Math.sin( seed ++ ) * 10000;
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return x - Math.floor( x );
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}
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export default init;
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