mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 04:23:47 +01:00
150 lines
3.4 KiB
HTML
150 lines
3.4 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js canvas - performance</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 {
|
||
|
|
font-family: Monospace;
|
||
|
|
background-color: #f0f0f0;
|
||
|
|
margin: 0px;
|
||
|
|
overflow: hidden;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<script src="../build/three.min.js"></script>
|
||
|
|
|
||
|
|
<script src="js/renderers/Projector.js"></script>
|
||
|
|
<script src="js/renderers/CanvasRenderer.js"></script>
|
||
|
|
|
||
|
|
<script src="js/libs/stats.min.js"></script>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
|
||
|
|
var container, stats;
|
||
|
|
|
||
|
|
var camera, scene, renderer;
|
||
|
|
|
||
|
|
var light;
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
container = document.createElement( 'div' );
|
||
|
|
document.body.appendChild( container );
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
|
||
|
|
camera.position.set( 0, 1000, 1000 );
|
||
|
|
camera.lookAt( scene.position );
|
||
|
|
|
||
|
|
|
||
|
|
// Grid
|
||
|
|
|
||
|
|
var size = 500, step = 100;
|
||
|
|
|
||
|
|
var geometry = new THREE.Geometry();
|
||
|
|
|
||
|
|
for ( var i = - size; i <= size; i += step ) {
|
||
|
|
|
||
|
|
geometry.vertices.push( new THREE.Vector3( - size, 0, i ) );
|
||
|
|
geometry.vertices.push( new THREE.Vector3( size, 0, i ) );
|
||
|
|
|
||
|
|
geometry.vertices.push( new THREE.Vector3( i, 0, - size ) );
|
||
|
|
geometry.vertices.push( new THREE.Vector3( i, 0, size ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var material = new THREE.LineBasicMaterial( { color: 0x000000, opacity: 0.5 } );
|
||
|
|
|
||
|
|
var line = new THREE.Line( geometry, material, THREE.LinePieces );
|
||
|
|
scene.add( line );
|
||
|
|
|
||
|
|
// Spheres
|
||
|
|
|
||
|
|
geometry = new THREE.SphereGeometry( 100, 26, 18 );
|
||
|
|
material = new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, overdraw: 0.5 } );
|
||
|
|
|
||
|
|
for ( var i = 0; i < 20; i ++ ) {
|
||
|
|
|
||
|
|
var sphere = new THREE.Mesh( geometry, material );
|
||
|
|
|
||
|
|
sphere.position.x = ( i % 5 ) * 200 - 400;
|
||
|
|
sphere.position.z = Math.floor( i / 5 ) * 200 - 400;
|
||
|
|
|
||
|
|
scene.add( sphere );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Lights
|
||
|
|
|
||
|
|
var ambientLight = new THREE.AmbientLight( Math.random() * 0x202020 );
|
||
|
|
scene.add( ambientLight );
|
||
|
|
|
||
|
|
var directionalLight = new THREE.DirectionalLight( Math.random() * 0xffffff );
|
||
|
|
directionalLight.position.set( 0, 1, 0 );
|
||
|
|
scene.add( directionalLight );
|
||
|
|
|
||
|
|
light = new THREE.PointLight( 0xff0000, 1, 500 );
|
||
|
|
scene.add( light );
|
||
|
|
|
||
|
|
renderer = new THREE.CanvasRenderer();
|
||
|
|
renderer.setClearColor( 0xf0f0f0 );
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
container.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
stats = new Stats();
|
||
|
|
stats.domElement.style.position = 'absolute';
|
||
|
|
stats.domElement.style.top = '0px';
|
||
|
|
container.appendChild(stats.domElement);
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
render();
|
||
|
|
stats.update();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
var timer = Date.now() * 0.001;
|
||
|
|
|
||
|
|
light.position.x = Math.cos( timer ) * 1000;
|
||
|
|
light.position.y = 500;
|
||
|
|
light.position.z = Math.sin( timer ) * 1000;
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|