Files
three.js/examples/misc_rollCamera.html
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HTML

<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js - webgl - roll camera example</title>
<meta charset="utf-8">
<style type="text/css">
body {
color: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color:#000;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a { color: red; }
</style>
</head>
<body>
<div id="container"></div>
<div id="info">
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - roll camera example -</br>W/S forward/backward</br>A/D to roll</br>Mouse to look around
</div>
<script type="text/javascript" src="../build/Three.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script type="text/javascript">
var statsEnabled = true;
var container, stats;
var camera, scene, renderer;
var cross;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var doRoll = false, rollDirection = 1, forwardSpeed = 0;
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'keydown', onKeyDown, false );
document.addEventListener( 'keyup', onKeyUp, false );
init();
function init() {
// scene and camera
scene = new THREE.Scene();
camera = new THREE.RollCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
// world
var cube = new THREE.Cube( 20, 60, 20 );
cube.vertices[ 0 ].position.multiplyScalar( 0.1 );
cube.vertices[ 1 ].position.multiplyScalar( 0.1 );
cube.vertices[ 4 ].position.multiplyScalar( 0.1 );
cube.vertices[ 5 ].position.multiplyScalar( 0.1 );
var material = new THREE.MeshPhongMaterial( { color:0xffffff } );
for( var i = 0; i < 200; i++ ) {
var mesh = new THREE.Mesh( cube, material );
mesh.position.set(( Math.random() - 0.5 ) * 1000,
( Math.random() - 0.5 ) * 1000,
( Math.random() - 0.5 ) * 1000 );
scene.addChild( mesh );
}
// create cross
cross = new THREE.Object3D();
cross.scale.set( 0.5, 0.5, 0.5 );
cross.matrixAutoUpdate = false;
var material = new THREE.MeshPhongMaterial( { color:0xff0000 } );
var mesh = new THREE.Mesh( new THREE.Cube( 40, 5, 5 ), material );
mesh.position.x = 20;
cross.addChild( mesh );
var material = new THREE.MeshPhongMaterial( { color:0x00ff00 } );
var mesh = new THREE.Mesh( new THREE.Cube( 5, 40, 5 ), material );
mesh.position.y = 20;
cross.addChild( mesh );
var material = new THREE.MeshPhongMaterial( { color:0x0000ff } );
var mesh = new THREE.Mesh( new THREE.Cube( 5, 5, 40 ), material );
mesh.position.z = 20;
cross.addChild( mesh );
//camera.addChild( cross );
scene.addChild( camera );
// lights
light = new THREE.DirectionalLight( 0xfffff );
light.position.set( 1, 1, 1 );
scene.addChild( light );
light = new THREE.DirectionalLight( 0xff0000 );
light.position.set( -1, -1, -1 );
scene.addChild( light );
light = new THREE.AmbientLight( 0x666666 );
scene.addChild( light );
// renderer
renderer = new THREE.WebGLRenderer( { antialias: false } );
renderer.setClearColorHex( 0xffffff, 1 );
renderer.setSize( window.innerWidth, window.innerHeight );
container = document.getElementById( 'container' );
container.appendChild( renderer.domElement );
if ( statsEnabled ) {
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
}
setInterval( loop, 1000 / 60 );
}
function loop() {
camera.rotateHorizontally( mouseX * 0.05 );
camera.rotateVertically( mouseY * 0.05 );
camera.translateZ( forwardSpeed )
if( doRoll ) {
camera.roll += 0.01 * rollDirection;
}
cross.matrix.copy( camera.matrix );
cross.matrix.n14 = 0;
cross.matrix.n24 = 0;
cross.matrix.n34 = -200;
cross.matrixWorldNeedsUpdate = true;
renderer.render( scene, camera );
if ( statsEnabled ) stats.update();
}
function onKeyDown( event ) {
switch( event.keyCode ) {
case 38: /*up*/
case 87: /*W*/ forwardSpeed = 1; break;
case 37: /*left*/
case 65: /*A*/ doRoll = true; rollDirection = 1; break;
case 40: /*down*/
case 83: /*S*/ forwardSpeed = -1; break;
case 39: /*right*/
case 68: /*D*/ doRoll = true; rollDirection = -1; break;
}
}
function onKeyUp( event ) {
switch( event.keyCode ) {
case 38: /*up*/
case 87: /*W*/ forwardSpeed = 0; break;
case 37: /*left*/
case 65: /*A*/ doRoll = false; break;
case 40: /*down*/
case 83: /*S*/ forwardSpeed = 0; break;
case 39: /*right*/
case 68: /*D*/ doRoll = false; break;
}
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) / window.innerWidth;
mouseY = ( event.clientY - windowHalfY ) / window.innerHeight;
}
function log( text ) {
var e = document.getElementById("log");
e.innerHTML = text + "<br/>" + e.innerHTML;
}
</script>
</body>
</html>