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software_sandbox.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js - software renderer</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.js"></script>
<script src="js/geometries/hilbert3D.js"></script>
<script src="js/controls/TrackballControls.js"></script>
<script src="js/renderers/Projector.js"></script>
<script src="js/renderers/SoftwareRenderer.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
var container, stats;
var camera, controls, scene, renderer;
var torus, cube, texCube;
var start = Date.now();
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
var info = document.createElement( 'div' );
info.style.position = 'absolute';
info.style.top = '10px';
info.style.width = '100%';
info.style.textAlign = 'center';
info.innerHTML = '<a href="http://threejs.org" target="_blank" rel="noopener">three.js<a/> - software renderer<br/>drag to change the point of view';
container.appendChild( info );
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.z = 600;
controls = new THREE.TrackballControls( camera );
scene = new THREE.Scene();
// Torus
var geometry = new THREE.TorusKnotGeometry( 150 );
for ( var i = 0, j = geometry.faces.length; i < j; i ++ ) {
geometry.faces[ i ].color.setHex( Math.random() * 0xffffff );
}
torus = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x0000ff, vertexColors: THREE.FaceColors } ) );
scene.add( torus );
// Cube
var geometry = new THREE.BoxGeometry( 200, 200, 200 );
for ( var i = 0, j = geometry.faces.length; i < j; i ++ ) {
geometry.faces[ i ].color.setHex( Math.random() * 0xffffff );
}
cube = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x00ff00, vertexColors: THREE.FaceColors } ) );
scene.position.set( 100, 0, 0 );
scene.add( cube );
// Cube with texture
var loader = new THREE.TextureLoader();
var map = loader.load( 'textures/brick_diffuse.jpg' );
texCube = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { map: map, overdraw: 0.5 } ) );
texCube.position.set( -300, 0, 0 );
scene.add( texCube );
// Sprite
var sprite = new THREE.Sprite( new THREE.SpriteMaterial( { color: 0xff0040 } ) );
sprite.scale.set( 100, 100, 1 );
sprite.position.set( -100, 200, 0 );
scene.add( sprite );
// Sprite with texture
var texLoader = new THREE.TextureLoader();
map = texLoader.load( 'textures/sprite1.png' );
var texSprite = new THREE.Sprite( new THREE.SpriteMaterial( { map: map,transparent: true } ) );
texSprite.scale.set( 100, 100, 1 );
texSprite.position.set( 100, 200, 0 );
scene.add( texSprite );
// Line
var points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 1, 0, 1, 2, 3, 4, 5, 6, 7 );
var spline = new THREE.CatmullRomCurve3( points );
var n_sub = 6, colors = [];
var lineGeometry = new THREE.Geometry();
var vertices = lineGeometry.vertices;
for ( var i = 0; i < points.length * n_sub; i ++ ) {
var t = i / ( points.length * n_sub );
vertices[ i ] = spline.getPoint( t );
colors[ i ] = new THREE.Color( 0x88aaff );
}
lineGeometry.colors = colors;
var material = new THREE.LineBasicMaterial( { opacity: 1, linewidth: 3, vertexColors: THREE.VertexColors } );
var line = new THREE.Line( lineGeometry, material );
line.scale.set( 0.5, 0.5, 0.5 );
line.position.set( 0, -200, 0);
scene.add( line );
renderer = new THREE.SoftwareRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
//
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() - start;
torus.position.y = Math.sin( timer * 0.002 ) * 150;
torus.rotation.x = timer * 0.0003;
torus.rotation.z = timer * 0.0002;
cube.rotation.x = timer * 0.0002;
cube.rotation.z = timer * 0.0003;
texCube.rotation.x = timer * 0.0002;
texCube.rotation.z = timer * 0.0003;
controls.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>