mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-08 20:46:21 +10:00
167 lines
4.2 KiB
HTML
167 lines
4.2 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>three.js canvas - interactive - cubes</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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font-family: Monospace;
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background-color: #f0f0f0;
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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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<script src="../build/Three.js"></script>
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<script src="js/RequestAnimationFrame.js"></script>
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<script src="js/Stats.js"></script>
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<script>
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var container, stats;
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var camera, scene, projector, renderer;
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var particleMaterial;
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var objects = [];
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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var info = document.createElement( 'div' );
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info.style.position = 'absolute';
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info.style.top = '10px';
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info.style.width = '100%';
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info.style.textAlign = 'center';
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info.innerHTML = '<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - clickable objects';
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container.appendChild( info );
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.y = 300;
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camera.position.z = 500;
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scene = new THREE.Scene();
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var geometry = new THREE.CubeGeometry( 100, 100, 100 );
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for ( var i = 0; i < 10; i ++ ) {
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var object = new THREE.Mesh( geometry, [ new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, opacity: 0.5 } ), new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, wireframe: true } ) ] );
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object.position.x = Math.random() * 800 - 400;
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object.position.y = Math.random() * 800 - 400;
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object.position.z = Math.random() * 800 - 400;
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object.scale.x = Math.random() * 2 + 1;
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object.scale.y = Math.random() * 2 + 1;
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object.scale.z = Math.random() * 2 + 1;
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object.rotation.x = ( Math.random() * 360 ) * Math.PI / 180;
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object.rotation.y = ( Math.random() * 360 ) * Math.PI / 180;
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object.rotation.z = ( Math.random() * 360 ) * Math.PI / 180;
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scene.add( object );
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objects.push( object );
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}
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var PI2 = Math.PI * 2;
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particleMaterial = new THREE.ParticleCanvasMaterial( {
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color: 0x000000,
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program: function ( context ) {
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context.beginPath();
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context.arc( 0, 0, 1, 0, PI2, true );
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context.closePath();
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context.fill();
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}
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} );
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projector = new THREE.Projector();
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renderer = new THREE.CanvasRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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container.appendChild( stats.domElement );
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document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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}
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function onDocumentMouseDown( event ) {
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event.preventDefault();
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var vector = new THREE.Vector3( ( event.clientX / window.innerWidth ) * 2 - 1, - ( event.clientY / window.innerHeight ) * 2 + 1, 0.5 );
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projector.unprojectVector( vector, camera );
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var ray = new THREE.Ray( camera.position, vector.subSelf( camera.position ).normalize() );
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var intersects = ray.intersectObjects( objects );
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if ( intersects.length > 0 ) {
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intersects[ 0 ].object.material.color.setHex( Math.random() * 0xffffff );
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var particle = new THREE.Particle( particleMaterial );
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particle.position = intersects[ 0 ].point;
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particle.scale.x = particle.scale.y = 8;
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scene.add( particle );
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}
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/*
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// Parse all the faces
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for ( var i in intersects ) {
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intersects[ i ].face.material[ 0 ].color.setHex( Math.random() * 0xffffff | 0x80000000 );
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}
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*/
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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var radius = 600;
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var theta = 0;
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function render() {
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theta += 0.2;
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camera.position.x = radius * Math.sin( theta * Math.PI / 360 );
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camera.position.y = radius * Math.sin( theta * Math.PI / 360 );
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camera.position.z = radius * Math.cos( theta * Math.PI / 360 );
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camera.lookAt( scene.position );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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