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<!DOCTYPE html> <html lang="en"> <head> <link rel="shortcut icon" type="image/x-icon" href="favicon.ico" /> <title>aznyj.com</title> <meta charset="utf-8"> <meta name="author" content="GC - 1091409394@qq.com" /> <style> body { background-color: #f4f4f4; margin: 0px; overflow: hidden; } .LoR { height:205px; width:164px; overflow:hidden; background: url(GC/logo.png) 0 0 no-repeat; position:absolute; top:50%; left:50%; margin:-102px auto auto -82px; z-index:2; } </style> <script src="GC/three.min.js"></script> </head> <body> <script> var container; var camera, scene, projector, renderer; var PI2 = Math.PI * 2; var programFill = function ( context ) { context.beginPath(); context.arc( 0, 0, 1, 0, PI2, true ); context.closePath(); context.fill(); } var programStroke = function ( context ) { context.lineWidth = 0.05; context.beginPath(); context.arc( 0, 0, 1, 0, PI2, true ); context.closePath(); context.stroke(); } var mouse = { x: 0, y: 0 }, INTERSECTED; init(); animate(); function init() { container = document.createElement( 'div' ); container.id = 'bgc'; container.style.position = 'relative'; container.style.zIndex = '0'; document.body.appendChild( container ); camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 ); camera.position.set( 0, 300, 500 ); scene = new THREE.Scene(); for ( var i = 0; i < 100; i ++ ) { var particle = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: Math.random() * 0x808080 + 0x808080, program: programStroke } ) ); particle.position.x = Math.random() * 800 - 400; particle.position.y = Math.random() * 800 - 400; particle.position.z = Math.random() * 800 - 400; particle.scale.x = particle.scale.y = Math.random() * 10 + 10; scene.add( particle ); } projector = new THREE.Projector(); renderer = new THREE.CanvasRenderer(); renderer.setSize( window.innerWidth, window.innerHeight ); container.appendChild( renderer.domElement ); document.addEventListener( 'mousemove', onDocumentMouseMove, false ); // window.addEventListener( 'resize', onWindowResize, false ); } function onWindowResize() { camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); renderer.setSize( window.innerWidth, window.innerHeight ); } function onDocumentMouseMove( event ) { event.preventDefault(); mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1; mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1; } // function animate() { requestAnimationFrame( animate ); render(); } var radius = 600; var theta = 0; function render() { // rotate camera theta += 0.2; camera.position.x = radius * Math.sin( theta * Math.PI / 360 ); camera.position.y = radius * Math.sin( theta * Math.PI / 360 ); camera.position.z = radius * Math.cos( theta * Math.PI / 360 ); camera.lookAt( scene.position ); // find intersections camera.updateMatrixWorld(); var vector = new THREE.Vector3( mouse.x, mouse.y, 0.5 ); projector.unprojectVector( vector, camera ); var ray = new THREE.Ray( camera.position, vector.subSelf( camera.position ).normalize() ); var intersects = ray.intersectObjects( scene.children ); if ( intersects.length > 0 ) { if ( INTERSECTED != intersects[ 0 ].object ) { if ( INTERSECTED ) INTERSECTED.material.program = programStroke; INTERSECTED = intersects[ 0 ].object; INTERSECTED.material.program = programFill; } } else { if ( INTERSECTED ) INTERSECTED.material.program = programStroke; INTERSECTED = null; } renderer.render( scene, camera ); } </script> <div class="LoR"></div> </body> </html>