mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-23 05:57:57 +01:00
163 lines
3.8 KiB
HTML
163 lines
3.8 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js misc - lookAt</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 {
|
||
|
|
color: #404040;
|
||
|
|
font-family:Monospace;
|
||
|
|
font-size:13px;
|
||
|
|
text-align:center;
|
||
|
|
|
||
|
|
background-color: #ffffff;
|
||
|
|
margin: 0px;
|
||
|
|
overflow: hidden;
|
||
|
|
}
|
||
|
|
|
||
|
|
#info {
|
||
|
|
position: absolute;
|
||
|
|
top: 0px; width: 100%;
|
||
|
|
padding: 5px;
|
||
|
|
}
|
||
|
|
|
||
|
|
a {
|
||
|
|
|
||
|
|
color: #0080bb;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - Object3D::lookAt() demo</div>
|
||
|
|
|
||
|
|
<script src="../build/three.min.js"></script>
|
||
|
|
|
||
|
|
<script src="js/libs/stats.min.js"></script>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
|
||
|
|
var container, stats;
|
||
|
|
|
||
|
|
var camera, scene, renderer;
|
||
|
|
|
||
|
|
var mesh, geometry, sphere;
|
||
|
|
|
||
|
|
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( 40, window.innerWidth / window.innerHeight, 1, 15000 );
|
||
|
|
camera.position.z = 3200;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
sphere = new THREE.Mesh( new THREE.SphereGeometry( 100, 20, 20 ), new THREE.MeshNormalMaterial( { shading: THREE.SmoothShading } ) );
|
||
|
|
scene.add( sphere );
|
||
|
|
|
||
|
|
var geometry = new THREE.CylinderGeometry( 0, 10, 100, 3 );
|
||
|
|
geometry.applyMatrix( new THREE.Matrix4().makeRotationFromEuler( new THREE.Euler( Math.PI / 2, Math.PI, 0 ) ) );
|
||
|
|
|
||
|
|
var material = new THREE.MeshNormalMaterial();
|
||
|
|
|
||
|
|
for ( var i = 0; i < 1000; i ++ ) {
|
||
|
|
|
||
|
|
var mesh = new THREE.Mesh( geometry, material );
|
||
|
|
mesh.position.x = Math.random() * 4000 - 2000;
|
||
|
|
mesh.position.y = Math.random() * 4000 - 2000;
|
||
|
|
mesh.position.z = Math.random() * 4000 - 2000;
|
||
|
|
mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 4 + 2;
|
||
|
|
scene.add( mesh );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
scene.matrixAutoUpdate = false;
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
||
|
|
renderer.setClearColor( 0xffffff );
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderer.sortObjects = 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 );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
windowHalfX = window.innerWidth / 2;
|
||
|
|
windowHalfY = window.innerHeight / 2;
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentMouseMove(event) {
|
||
|
|
|
||
|
|
mouseX = ( event.clientX - windowHalfX ) * 10;
|
||
|
|
mouseY = ( event.clientY - windowHalfY ) * 10;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
render();
|
||
|
|
stats.update();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
var time = Date.now() * 0.0005;
|
||
|
|
|
||
|
|
sphere.position.x = Math.sin( time * 0.7 ) * 2000;
|
||
|
|
sphere.position.y = Math.cos( time * 0.5 ) * 2000;
|
||
|
|
sphere.position.z = Math.cos( time * 0.3 ) * 2000;
|
||
|
|
|
||
|
|
for ( var i = 1, l = scene.children.length; i < l; i ++ ) {
|
||
|
|
|
||
|
|
scene.children[ i ].lookAt( sphere.position );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
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>
|