k-drive ver2

with JS keyboard event handler

by jmchen

HTML

<div id="info">k-drive with own keyboard callback</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>

CSS

#info {
    position: absolute;
    top: 20px;
    width: 100%;
    padding: 10px;
    text-align: center;
    color: #ff0000
}

JavaScript

var clock = new THREE.Clock();
var scene, renderer, camera;
var controls;

var toycar;

// state variables of toycar
var pos = new THREE.Vector3(0, 0, 0);
var angle = 0,
    speed = 5;

    // keyboard
    document.addEventListener('keydown', move);
init();
animate();

function init() {
    var width = window.innerWidth;
    var height = window.innerHeight;

    renderer = new THREE.WebGLRenderer({
        antialias: true
    });
    renderer.setSize(width, height);
    document.body.appendChild(renderer.domElement);

    scene = new THREE.Scene();

    camera = new THREE.PerspectiveCamera(45, width / height, 1, 10000);
    camera.position.y = 160;
    camera.position.z = 400;
    camera.lookAt(new THREE.Vector3(0, 0, 0));
    scene.add(camera);

    toycar = new THREE.Mesh(new THREE.BoxGeometry(60, 30, 30), new THREE.MeshBasicMaterial());
    scene.add (toycar);

    // add control here (after the camera is defined)
    controls = new THREE.OrbitControls(camera, renderer.domElement);

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

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

    var ambientLight = new THREE.AmbientLight(0x111111);
    scene.add(ambientLight);
    window.addEventListener('resize', onWindowResize, false);
/*
    // keyboard
    window.addEventListener('keydown', move);
*/   
    window.focus();
}

function onWindowResize() {
    camera.aspect = window.innerWidth / window.innerHeight;
    camera.updateProjectionMatrix();
    renderer.setSize(window.innerWidth, window.innerHeight);
}

function animate() {
    var dt = clock.getDelta();

    var dir = new THREE.Vector3(1, 0, 0);

    dir.multiplyScalar(dt * speed).applyAxisAngle(new THREE.Vector3(0, 1, 0), angle);

    pos.add(dir);

    if (toycar != undefined) {
        toycar.scale.set(0.2, 0.2, 0.2);
       ...