10_07_class

with orbitControls, XZgrid, info

by YouTingKuo

HTML

<div id="info">demo page
    <br/>Press Z to toggle</div>
<script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r70/three.min.js"></script>
<script src="https://dl.dropboxusercontent.com/u/3587259/Code/Threejs/OrbitControls.js">
    
</script>
<script src="http://jyunming-chen.github.io/tutsplus/js/KeyboardState.js"></script>

CSS

#info {
    position: absolute;
    top: 0px;
    width: 100%;
    padding: 10px;
    text-align: center;
    color: #ffff00
}
body {
    overflow: hidden;
}

JavaScript

var camera, scene, renderer, geometry, material, mesh, light, controls;
var pos, vel, force;
var clock = new THREE.Clock();
var dT;
var keyboard = new KeyboardState();


init();
animate();

function init() {
    scene = new THREE.Scene();

    camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
    camera.position.z = 500;
    scene.add(camera);
		
    geometry = new THREE.CylinderGeometry( 20, 20, 10, 32 );
    material = new THREE.MeshLambertMaterial({color:0x987654});

    mesh = new THREE.Mesh(geometry, material);
    mesh.position.y = 5;
    scene.add(mesh);
    
    pos = new THREE.Vector3(0, 0, 0);
		vel  = new THREE.Vector3(0, 0, 0);
		force = new THREE.Vector3(1, 0, 2);

    light = new THREE.PointLight(0xffffff);
    light.position.set(100, 300, 200);
    scene.add(light);

    var gridXZ = new THREE.GridHelper(100, 10);
    gridXZ.setColors(new THREE.Color(0xff0000), new THREE.Color(0xffffff));
    scene.add(gridXZ);

    renderer = new THREE.WebGLRenderer();
    renderer.setSize(window.innerWidth, window.innerHeight);
    renderer.setClearColor(0x888888);

    controls = new THREE.OrbitControls(camera, renderer.domElement);

    document.body.appendChild(renderer.domElement);
}

function animate() {
    controls.update();
    keyboard.update();
    
    dT = clock.getDelta();
    
    vel.copy(force.clone().multiplyScalar(dT*20));
    pos.add(vel);
    
    mesh.rotation.x +=0.1;
    mesh.rotation.y +=0.1;
    mesh.rotation.z +=0.1;
    
    
    mesh.position.copy(pos);
    
    requestAnimationFrame(animate);
    render();
}

function render() {
    renderer.render(scene, camera);
}

// important to add this 
// in jsfiddle!
window.focus();