<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - multiple views</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: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: #0080ff;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - multiple views - webgl</div>
<script src="../build/three.min.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var views, scene, renderer;
var mesh, group1, group2, group3, light;
var mouseX = 0, mouseY = 0;
var windowWidth, windowHeight;
var views = [
{
left: 0,
bottom: 0,
width: 0.5,
height: 1.0,
background: new THREE.Color().setRGB( 0.5, 0.5, 0.7 ),
eye: [ 0, 300, 1800 ],
up: [ 0, 1, 0 ],
fov: 30,
updateCamera: function ( camera, scene, mouseX, mouseY ) {
camera.position.x += mouseX * 0.05;
camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
camera.lookAt( scene.position );
}
},
{
left: 0.5,
bottom: 0,
width: 0.5,
height: 0.5,
background: new THREE.Color().setRGB( 0.7, 0.5, 0.5 ),
eye: [ 0, 1800, 0 ],
up: [ 0, 0, 1 ],
fov: 45,
updateCamera: function ( camera, scene, mouseX, mouseY ) {
camera.position.x -= mouseX * 0.05;
camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
camera.lookAt( camera.position.clone().setY( 0 ) );
}
},
{
left: 0.5,
bottom: 0.5,
width: 0.5,
height: 0.5,
background: new THREE.Color().setRGB( 0.5, 0.7, 0.7 ),
eye: [ 1400, 800, 1400 ],
up: [ 0, 1, 0 ],
fov: 60,
updateCamera: function ( camera, scene, mouseX, mouseY ) {
camera.position.y -= mouseX * 0.05;
camera.position.y = Math.max( Math.min( camera.position.y, 1600 ), -1600 );
camera.lookAt( scene.position );
}
}
];
init();
animate();
function init() {
container = document.getElementById( 'container' );
for (var ii = 0; ii < views.length; ++ii ) {
var view = views[ii];
camera = new THREE.PerspectiveCamera( view.fov, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.x = view.eye[ 0 ];
camera.position.y = view.eye[ 1 ];
camera.position.z = view.eye[ 2 ];
camera.up.x = view.up[ 0 ];
camera.up.y = view.up[ 1 ];
camera.up.z = view.up[ 2 ];
view.camera = camera;
}
scene = new THREE.Scene();
light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 0, 0, 1 );
scene.add( light );
// shadow
var canvas = document.createElement( 'canvas' );
canvas.width = 128;
canvas.height = 128;
var context = canvas.getContext( '2d' );
var gradient = context.createRadialGradient( canvas.width / 2, canvas.height / 2, 0, canvas.width / 2, canvas.height / 2, canvas.width / 2 );
gradient.addColorStop( 0.1, 'rgba(0,0,0,0.15)' );
gradient.addColorStop( 1, 'rgba(0,0,0,0)' );
context.fillStyle = gradient;
context.fillRect( 0, 0, canvas.width, canvas.height );
var shadowTexture = new THREE.Texture( canvas );
shadowTexture.needsUpdate = true;
var shadowMaterial = new THREE.MeshBasicMaterial( { map: shadowTexture, transparent: true } );
var shadowGeo = new THREE.PlaneBufferGeometry( 300, 300, 1, 1 );
mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
mesh.position.y = - 250;
mesh.rotation.x = - Math. PI / 2;
scene.add( mesh );
mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
mesh.position.x = - 400;
mesh.position.y = - 250;
mesh.rotation.x = - Math. PI / 2;
scene.add( mesh );
mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
mesh.position.x = 400;
mesh.position.y = - 250;
mesh.rotation.x = - Math. PI / 2;
scene.add( mesh );
var faceIndices = [ 'a', 'b', 'c', 'd' ];
var color, f, f2, f3, p, n, vertexIndex,
radius = 200,
geometry = new THREE.IcosahedronGeometry( radius, 1 ),
geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
for ( var i = 0; i < geometry.faces.length; i ++ ) {
f = geometry.faces[ i ];
f2 = geometry2.faces[ i ];
f3 = geometry3.faces[ i ];
n = ( f instanceof THREE.Face3 ) ? 3 : 4;
for( var j = 0; j < n; j++ ) {
vertexIndex = f[ faceIndices[ j ] ];
p = geometry.vertices[ vertexIndex ];
color = new THREE.Color( 0xffffff );
color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );
f.vertexColors[ j ] = color;
color = new THREE.Color( 0xffffff );
color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );
f2.vertexColors[ j ] = color;
color = new THREE.Color( 0xffffff );
color.setHSL( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 0.5 );
f3.vertexColors[ j ] = color;
}
}
var materials = [
new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors } ),
new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true, transparent: true } )
];
group1 = THREE.SceneUtils.createMultiMaterialObject( geometry, materials );
group1.position.x = -400;
group1.rotation.x = -1.87;
scene.add( group1 );
group2 = THREE.SceneUtils.createMultiMaterialObject( geometry2, materials );
group2.position.x = 400;
group2.rotation.x = 0;
scene.add( group2 );
group3 = THREE.SceneUtils.createMultiMaterialObject( geometry3, materials );
group3.position.x = 0;
group3.rotation.x = 0;
scene.add( group3 );
renderer = new THREE.WebGLRenderer( { antialias: true } );
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 );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
}
function onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowWidth / 2 );
mouseY = ( event.clientY - windowHeight / 2 );
}
function updateSize() {
if ( windowWidth != window.innerWidth || windowHeight != window.innerHeight ) {
windowWidth = window.innerWidth;
windowHeight = window.innerHeight;
renderer.setSize ( windowWidth, windowHeight );
}
}
function animate() {
render();
stats.update();
requestAnimationFrame( animate );
}
function render() {
updateSize();
for ( var ii = 0; ii < views.length; ++ii ) {
view = views[ii];
camera = view.camera;
view.updateCamera( camera, scene, mouseX, mouseY );
var left = Math.floor( windowWidth * view.left );
var bottom = Math.floor( windowHeight * view.bottom );
var width = Math.floor( windowWidth * view.width );
var height = Math.floor( windowHeight * view.height );
renderer.setViewport( left, bottom, width, height );
renderer.setScissor( left, bottom, width, height );
renderer.enableScissorTest ( true );
renderer.setClearColor( view.background );
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.render( scene, camera );
}
}
</script>
</body>
</html>