3d-interface/bouncing/js/BouncingMain.js

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JavaScript
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2015-04-02 12:38:06 +02:00
var renderer, scene, camera, controls, cube, container, plane, mouse= {x:0, y:0};
var raycaster;
var objects = [];
var container_size = new Object();
container_size.width = 1067;
container_size.height = 600;
init();
animate();
function init() {
// on initialise le moteur de rendu
container = document.getElementById('container');
container.style.height = container_size.height + 'px';
container.style.width = container_size.width + 'px';
renderer = new THREE.WebGLRenderer({alpha:"true"});
renderer.setSize(container_size.width, container_size.height);
renderer.shadowMapEnabled = true;
document.getElementById('container').appendChild(renderer.domElement);
// on initialise la scène
scene = new THREE.Scene();
raycaster = new THREE.Raycaster();
// init light
var directional_light = new THREE.DirectionalLight(0xffffff);
directional_light.position.set(1, 0.5, 1).normalize();
directional_light.castShadow = true;
scene.add(directional_light);
var ambient_light = new THREE.AmbientLight(0x444444);
scene.add(ambient_light);
// on initialise la camera que lon place ensuite sur la scène
camera = new Camera(50, container_size.width / container_size.height, 1, 10000);
scene.add(camera);
window.addEventListener('resize', onWindowResize, false);
container.addEventListener('mousedown', click, false);
// on créé un cube au quel on définie un matériau puis on lajoute à la scène
cube = new BouncingCube(200, {color: "red"});
plane = new Plane(1000,1000);
plane.translate(0,0,-100);
cube.addToScene(scene);
plane.addToScene(scene);
objects.push(cube);
objects.push(plane);
}
function animate() {
// on appelle la fonction animate() récursivement à chaque frame
requestAnimationFrame(animate);
cube.update();
camera.update();
camera.look();
renderer.render(scene, camera);
}
function onWindowResize() {
camera.aspect = container.offsetWidth / container.offsetHeight;
camera.updateProjectionMatrix();
renderer.setSize(container.offsetWidth, container.offsetHeight);
renderer.render(scene, camera);
}
function click(event) {
mouse.x = ( ( event.clientX - renderer.domElement.offsetLeft ) / renderer.domElement.width ) * 2 - 1;
mouse.y = - ( ( event.clientY - renderer.domElement.offsetTop ) / renderer.domElement.height ) * 2 + 1;
// For this alternate method, set the canvas position *fixed*; set top > 0, set left > 0; padding must be 0; margin > 0 is OK
//mouse.x = ( ( event.clientX - container.offsetLeft ) / container.clientWidth ) * 2 - 1;
//mouse.y = - ( ( event.clientY - container.offsetTop ) / container.clientHeight ) * 2 + 1;
var vector = new THREE.Vector3(mouse.x, mouse.y, 0.5);
vector.unproject(camera);
raycaster.set(camera.position, vector.sub(camera.position).normalize());
intersects = raycaster.intersectObjects(scene.children);
if ( intersects.length > 0 ) {
for (var i in intersects) {
if (intersects[i].object.id === cube.mesh.id) {
cube.speed.z = 300;
}
}
}
}