|
@@ -0,0 +1,120 @@
|
|
|
|
|
+<!doctype html>
|
|
|
|
|
+<html lang="en">
|
|
|
|
|
+ <head>
|
|
|
|
|
+ <title>three.js webgl - trails</title>
|
|
|
|
|
+ <meta charset="utf-8">
|
|
|
|
|
+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
|
|
|
+ <style>
|
|
|
|
|
+ body {
|
|
|
|
|
+ background:#000;
|
|
|
|
|
+ padding:0;
|
|
|
|
|
+ margin:0;
|
|
|
|
|
+ font-weight: bold;
|
|
|
|
|
+ overflow:hidden;
|
|
|
|
|
+ }
|
|
|
|
|
+ </style>
|
|
|
|
|
+ </head>
|
|
|
|
|
+ <body>
|
|
|
|
|
+
|
|
|
|
|
+ <script src="../build/Three.js"></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script src="js/RequestAnimationFrame.js"></script>
|
|
|
|
|
+ <script src="js/Stats.js"></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script>
|
|
|
|
|
+
|
|
|
|
|
+ var container, stats;
|
|
|
|
|
+
|
|
|
|
|
+ var camera, scene, renderer;
|
|
|
|
|
+
|
|
|
|
|
+ var mesh, zmesh, lightMesh, geometry;
|
|
|
|
|
+
|
|
|
|
|
+ var mouseX = 0, mouseY = 0;
|
|
|
|
|
+
|
|
|
|
|
+ var windowHalfX = window.innerWidth / 2;
|
|
|
|
|
+ var windowHalfY = window.innerHeight / 2;
|
|
|
|
|
+
|
|
|
|
|
+ document.addEventListener( 'mousemove', onDocumentMouseMove, false );
|
|
|
|
|
+
|
|
|
|
|
+ init();
|
|
|
|
|
+ animate();
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+ function init() {
|
|
|
|
|
+
|
|
|
|
|
+ container = document.createElement( 'div' );
|
|
|
|
|
+ document.body.appendChild( container );
|
|
|
|
|
+
|
|
|
|
|
+ camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
|
|
|
|
|
+ camera.position.x = 100000;
|
|
|
|
|
+ camera.position.z = 3200;
|
|
|
|
|
+
|
|
|
|
|
+ scene = new THREE.Scene();
|
|
|
|
|
+
|
|
|
|
|
+ var colors = [ 0x000000, 0xff0080, 0x8000ff, 0xffffff ];
|
|
|
|
|
+ var geometry = new THREE.Geometry();
|
|
|
|
|
+
|
|
|
|
|
+ for ( var i = 0; i < 2000; i ++ ) {
|
|
|
|
|
+
|
|
|
|
|
+ var vertex = new THREE.Vertex();
|
|
|
|
|
+ vertex.position.x = Math.random() * 4000 - 2000;
|
|
|
|
|
+ vertex.position.y = Math.random() * 4000 - 2000;
|
|
|
|
|
+ vertex.position.z = Math.random() * 4000 - 2000;
|
|
|
|
|
+ geometry.vertices.push( vertex );
|
|
|
|
|
+
|
|
|
|
|
+ geometry.colors.push( new THREE.Color( colors[ Math.floor( Math.random() * colors.length ) ] ) );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ var material = new THREE.ParticleBasicMaterial( { size: 1, vertexColors: THREE. VertexColors, depthTest: false, opacity: 0.5, sizeAttenuation: false } );
|
|
|
|
|
+
|
|
|
|
|
+ var mesh = new THREE.ParticleSystem( geometry, material );
|
|
|
|
|
+ scene.add( mesh );
|
|
|
|
|
+
|
|
|
|
|
+ renderer = new THREE.WebGLRenderer( { preserveDrawingBuffer: true } );
|
|
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
|
+ renderer.sortObjects = false;
|
|
|
|
|
+ renderer.autoClearColor = false;
|
|
|
|
|
+ container.appendChild( renderer.domElement );
|
|
|
|
|
+
|
|
|
|
|
+ stats = new Stats();
|
|
|
|
|
+ stats.domElement.style.position = 'absolute';
|
|
|
|
|
+ stats.domElement.style.top = '0px';
|
|
|
|
|
+ stats.domElement.style.zIndex = 100;
|
|
|
|
|
+ container.appendChild( stats.domElement );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ function onDocumentMouseMove(event) {
|
|
|
|
|
+
|
|
|
|
|
+ mouseX = ( event.clientX - windowHalfX ) * 10;
|
|
|
|
|
+ mouseY = ( event.clientY - windowHalfY ) * 10;
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ //
|
|
|
|
|
+
|
|
|
|
|
+ function animate() {
|
|
|
|
|
+
|
|
|
|
|
+ requestAnimationFrame( animate );
|
|
|
|
|
+
|
|
|
|
|
+ render();
|
|
|
|
|
+ stats.update();
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ function render() {
|
|
|
|
|
+
|
|
|
|
|
+ camera.position.x += ( mouseX - camera.position.x ) * .05;
|
|
|
|
|
+ camera.position.y += ( - mouseY - camera.position.y ) * .05;
|
|
|
|
|
+
|
|
|
|
|
+ camera.lookAt( scene.position );
|
|
|
|
|
+
|
|
|
|
|
+ renderer.render( scene, camera );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ </script>
|
|
|
|
|
+
|
|
|
|
|
+ </body>
|
|
|
|
|
+</html>
|
Mr.doob