我正在开发汽车仪表板。我想使用汽车对象模型使用存储在mysql数据库中的实时数据动态更新汽车运动。
我确实尝试过使用three.js，但无法动态传递参数。
我有什么方法可以做到这一点吗？
!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - baked illumination</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;
color:#000;
padding:0;
margin:0;
overflow:hidden;
font-family:monospace;
font-size:13px;
text-align:center;
}
a { color:skyblue }
#info {
position: absolute;
top: 0px; width: 100%;
color: #fff;
background:rgba(0,0,0,0.65);
padding: 5px;
text-align: center;
z-index:100;
display:block;
}
#stats { position: absolute; top:5px; left: 0; z-index: 100 }
#stats #fps { background: transparent !important }
#stats #fps #fpsText { color: #aaa !important }
#stats #fps #fpsGraph { display: none }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> webgl - baked + real-time illumination -
using <a href="http://code.google.com/p/js-openctm/">js-openctm</a> -
camaro by <a href="http://www.turbosquid.com/3d-models/blender-camaro/411348" target="_blank">dskfnwn</a> -
skybox by <a href="http://ict.debevec.org/~debevec/" target="_blank">Paul Debevec</a>
</div>
<script src="../build/three.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/loaders/ctm/lzma.js"></script>
<script src="js/loaders/ctm/ctm.js"></script>
<script src="js/loaders/ctm/CTMLoader.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var SCREEN_WIDTH = window.innerWidth;
var SCREEN_HEIGHT = window.innerHeight;
var FLOOR = -250;
var container, stats;
var camera, scene, controls;
var renderer;
var mesh;
var textureCube;
var cameraCube, sceneCube;
var loader;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
// CAMERA
camera = new THREE.PerspectiveCamera( 25, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
camera.position.set( 185, 40, 170 );
controls = new THREE.OrbitControls( camera );
controls.maxPolarAngle = Math.PI / 2;
controls.minDistance = 200;
controls.maxDistance = 500;
// SCENE
scene = new THREE.Scene();
// SKYBOX
sceneCube = new THREE.Scene();
cameraCube = new THREE.PerspectiveCamera( 25, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
sceneCube.add( cameraCube );
var r = "textures/cube/pisa/";
var urls = [ r + "px.png", r + "nx.png",
r + "py.png", r + "ny.png",
r + "pz.png", r + "nz.png" ];
textureCube = THREE.ImageUtils.loadTextureCube( urls );
var shader = THREE.ShaderLib[ "cube" ];
shader.uniforms[ "tCube" ].value = textureCube;
var material = new THREE.ShaderMaterial( {
fragmentShader: shader.fragmentShader,
vertexShader: shader.vertexShader,
uniforms: shader.uniforms,
depthWrite: false,
side: THREE.BackSide
} ),
mesh = new THREE.Mesh( new THREE.BoxGeometry( 100, 100, 100 ), material );
sceneCube.add( mesh );
// LIGHTS
var light = new THREE.PointLight( 0xffffff, 1 );
light.position.set( 2, 5, 1 );
light.position.multiplyScalar( 30 );
scene.add( light );
var light = new THREE.PointLight( 0xffffff, 0.75 );
light.position.set( -12, 4.6, 2.4 );
light.position.multiplyScalar( 30 );
scene.add( light );
scene.add( new THREE.AmbientLight( 0x050505 ) );
// RENDERER
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
renderer.domElement.style.position = "relative";
renderer.autoClear = false;
container.appendChild( renderer.domElement );
//
renderer.gammaInput = true;
renderer.gammaOutput = true;
// STATS
stats = new Stats();
container.appendChild( stats.domElement );
// EVENTS
window.addEventListener( 'resize', onWindowResize, false );
window.addEventListener( 'mousemove', onDocumentMouseMove, false );
// LOADER
var start = Date.now();
// new way via CTMLoader and separate parts
loaderCTM = new THREE.CTMLoader();
var position = new THREE.Vector3( -105, -78, -40 );
var scale = new THREE.Vector3( 30, 30, 30 );
loaderCTM.loadParts( "models/ctm/camaro/camaro.js", function( geometries, materials ) {
hackMaterials( materials );
for ( var i = 0; i < geometries.length; i ++ ) {
var mesh = new THREE.Mesh( geometries[ i ], materials[ i ] );
mesh.position.copy( position );
mesh.scale.copy( scale );
scene.add( mesh );
}
var end = Date.now();
console.log( "load time:", end - start, "ms" );
}, { useWorker: true } );
}
//
function hackMaterials( materials ) {
for ( var i = 0; i < materials.length; i ++ ) {
var m = materials[ i ];
if ( m.name.indexOf( "Body" ) !== -1 ) {
var mm = new THREE.MeshPhongMaterial( { map: m.map } );
mm.envMap = textureCube;
mm.combine = THREE.MixOperation;
mm.reflectivity = 0.75;
materials[ i ] = mm;
} else if ( m.name.indexOf( "mirror" ) !== -1 ) {
var mm = new THREE.MeshPhongMaterial( { map: m.map } );
mm.envMap = textureCube;
mm.combine = THREE.MultiplyOperation;
materials[ i ] = mm;
} else if ( m.name.indexOf( "glass" ) !== -1 ) {
var mm = new THREE.MeshPhongMaterial( { map: m.map } );
mm.envMap = textureCube;
mm.color.copy( m.color );
mm.combine = THREE.MixOperation;
mm.reflectivity = 0.25;
mm.opacity = m.opacity;
mm.transparent = true;
materials[ i ] = mm;
} else if ( m.name.indexOf( "Material.001" ) !== -1 ) {
var mm = new THREE.MeshPhongMaterial( { map: m.map } );
mm.shininess = 30;
mm.color.setHex( 0x404040 );
mm.metal = true;
materials[ i ] = mm;
}
materials[ i ].side = THREE.DoubleSide;
}
}
//
function createScene( geometry, materials, x, y, z, s ) {
geometry.center();
hackMaterials( materials );
var material = new THREE.MeshFaceMaterial( materials );
mesh = new THREE.Mesh( geometry, material );
mesh.position.set( x, y, z );
mesh.scale.set( s, s, s );
scene.add( mesh );
}
//
function onWindowResize( event ) {
SCREEN_WIDTH = window.innerWidth;
SCREEN_HEIGHT = window.innerHeight;
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
camera.updateProjectionMatrix();
cameraCube.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
cameraCube.updateProjectionMatrix();
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
controls.update();
cameraCube.rotation.copy( camera.rotation );
renderer.clear();
renderer.render( sceneCube, cameraCube );
renderer.render( scene, camera );
}
</script>
</body>
</html>