<!DOCTYPE html>
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<!-- three.js library -->
<script src='vendor/three.js/build/three.min.js'></script>
<body style='margin : 0px; overflow: hidden; font-family: Monospace;'><div style='position: absolute; top: 10px; width:100%; text-align: center; z-index: 1;'>
<a href="https://github.com/AR-js-org/AR.js/" target="_blank">AR.js</a> - three.js camera transform
<br/>
Contact me any time at <a href='https://twitter.com/nicolocarp' target='_blank'>@nicolocarp</a>
</div><script>
//////////////////////////////////////////////////////////////////////////////////
// Init
//////////////////////////////////////////////////////////////////////////////////
// init renderer
var renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true
});
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.domElement.style.position = 'absolute'
renderer.domElement.style.top = '0px'
renderer.domElement.style.left = '0px'
document.body.appendChild( renderer.domElement );
// array of functions for the rendering loop
var onRenderFcts= [];
// init scene and camera
var scene = new THREE.Scene();
//////////////////////////////////////////////////////////////////////////////////
// Initialize a basic camera
//////////////////////////////////////////////////////////////////////////////////
// Create a camera
var camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 100 );
camera.position.z = 3;
window.addEventListener( 'resize', function() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}, false );
//////////////////////////////////////////////////////////////////////////////////
// add an object in the scene
//////////////////////////////////////////////////////////////////////////////////
// add a torus knot
var geometry = new THREE.BoxGeometry(1,1,1);
var material = new THREE.MeshNormalMaterial({
transparent : true,
opacity: 0.5,
side: THREE.DoubleSide
});
var mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
var geometry = new THREE.TorusKnotGeometry(0.3,0.1,64,16);
var material = new THREE.MeshNormalMaterial();
var mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
onRenderFcts.push(function(delta){
mesh.rotation.x += Math.PI*delta
})
//////////////////////////////////////////////////////////////////////////////////
// render the whole thing on the page
//////////////////////////////////////////////////////////////////////////////////
// render the scene
onRenderFcts.push(function(){
renderer.render( scene, camera );
})
// run the rendering loop
var lastTimeMsec= null
requestAnimationFrame(function animate(nowMsec){
// keep looping
requestAnimationFrame( animate );
// measure time
lastTimeMsec = lastTimeMsec || nowMsec-1000/60
var deltaMsec = Math.min(200, nowMsec - lastTimeMsec)
lastTimeMsec = nowMsec
// call each update function
onRenderFcts.forEach(function(onRenderFct){
onRenderFct(deltaMsec/1000, nowMsec/1000)
})
})
</script></body>
KAOKA Daisuke