mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-14 02:07:56 +01:00
180 lines
4.0 KiB
HTML
Executable File
180 lines
4.0 KiB
HTML
Executable File
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js canvas - geometry - earth</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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color: #808080;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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background-color: #ffffff;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 0px; width: 100%;
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padding: 5px;
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}
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a {
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color: #0080ff;
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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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<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - earth demo</div>
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<script src="../build/three.min.js"></script>
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<script src="js/renderers/Projector.js"></script>
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<script src="js/renderers/CanvasRenderer.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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var container, stats;
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var camera, scene, renderer;
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var group;
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var mouseX = 0, mouseY = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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init();
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animate();
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function init() {
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container = document.getElementById( 'container' );
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 2000 );
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camera.position.z = 500;
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scene = new THREE.Scene();
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group = new THREE.Group();
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scene.add( group );
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// earth
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var loader = new THREE.TextureLoader();
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loader.load( 'textures/land_ocean_ice_cloud_2048.jpg', function ( texture ) {
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var geometry = new THREE.SphereGeometry( 200, 20, 20 );
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var material = new THREE.MeshBasicMaterial( { map: texture, overdraw: 0.5 } );
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var mesh = new THREE.Mesh( geometry, material );
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group.add( mesh );
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} );
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// shadow
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var canvas = document.createElement( 'canvas' );
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canvas.width = 128;
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canvas.height = 128;
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var context = canvas.getContext( '2d' );
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var gradient = context.createRadialGradient(
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canvas.width / 2,
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canvas.height / 2,
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0,
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canvas.width / 2,
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canvas.height / 2,
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canvas.width / 2
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);
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gradient.addColorStop( 0.1, 'rgba(210,210,210,1)' );
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gradient.addColorStop( 1, 'rgba(255,255,255,1)' );
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context.fillStyle = gradient;
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context.fillRect( 0, 0, canvas.width, canvas.height );
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var texture = new THREE.Texture( canvas );
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texture.needsUpdate = true;
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var geometry = new THREE.PlaneBufferGeometry( 300, 300, 3, 3 );
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var material = new THREE.MeshBasicMaterial( { map: texture, overdraw: 0.5 } );
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var mesh = new THREE.Mesh( geometry, material );
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mesh.position.y = - 250;
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mesh.rotation.x = - Math.PI / 2;
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group.add( mesh );
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renderer = new THREE.CanvasRenderer();
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renderer.setClearColor( 0xffffff );
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renderer.setPixelRatio( window.devicePixelRatio );
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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( 'mousemove', onDocumentMouseMove, false );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function onDocumentMouseMove( event ) {
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mouseX = ( event.clientX - windowHalfX );
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mouseY = ( event.clientY - windowHalfY );
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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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function render() {
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camera.position.x += ( mouseX - camera.position.x ) * 0.05;
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camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
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camera.lookAt( scene.position );
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group.rotation.y -= 0.005;
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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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