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canvas_camera_orthographic.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js canvas - camera - orthographic</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/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;
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">three.js</a> - orthographic view';
container.appendChild( info );
camera = new THREE.OrthographicCamera( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, - 500, 1000 );
camera.position.x = 200;
camera.position.y = 100;
camera.position.z = 200;
scene = new THREE.Scene();
// Grid
var size = 500, step = 50;
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: 0.2 } );
var line = new THREE.LineSegments( geometry, material );
scene.add( line );
// Cubes
var geometry = new THREE.BoxGeometry( 50, 50, 50 );
var material = new THREE.MeshLambertMaterial( { color: 0xffffff, overdraw: 0.5 } );
for ( var i = 0; i < 100; i ++ ) {
var cube = new THREE.Mesh( geometry, material );
cube.scale.y = Math.floor( Math.random() * 2 + 1 );
cube.position.x = Math.floor( ( Math.random() * 1000 - 500 ) / 50 ) * 50 + 25;
cube.position.y = ( cube.scale.y * 50 ) / 2;
cube.position.z = Math.floor( ( Math.random() * 1000 - 500 ) / 50 ) * 50 + 25;
scene.add( cube );
}
// Lights
var ambientLight = new THREE.AmbientLight( Math.random() * 0x10 );
scene.add( ambientLight );
var directionalLight = new THREE.DirectionalLight( Math.random() * 0xffffff );
directionalLight.position.x = Math.random() - 0.5;
directionalLight.position.y = Math.random() - 0.5;
directionalLight.position.z = Math.random() - 0.5;
directionalLight.position.normalize();
scene.add( directionalLight );
var directionalLight = new THREE.DirectionalLight( Math.random() * 0xffffff );
directionalLight.position.x = Math.random() - 0.5;
directionalLight.position.y = Math.random() - 0.5;
directionalLight.position.z = Math.random() - 0.5;
directionalLight.position.normalize();
scene.add( directionalLight );
renderer = new THREE.CanvasRenderer();
renderer.setClearColor( 0xf0f0f0 );
renderer.setPixelRatio( window.devicePixelRatio );
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.left = window.innerWidth / - 2;
camera.right = window.innerWidth / 2;
camera.top = window.innerHeight / 2;
camera.bottom = window.innerHeight / - 2;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function animate() {
requestAnimationFrame( animate );
stats.begin();
render();
stats.end();
}
function render() {
var timer = Date.now() * 0.0001;
camera.position.x = Math.cos( timer ) * 200;
camera.position.z = Math.sin( timer ) * 200;
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
</script>
</body>
</html>