3D Game Programming

varearth_cam =newTHREE.PerspectiveCamera(75, aspect_ratio, 1, 1e6);

varcamera = above_cam;

// This will draw what the camera sees onto the screen:

varrenderer =newTHREE.WebGLRenderer();

renderer.setSize(window.innerWidth, window.innerHeight);

document.body.appendChild(renderer.domElement);

// ******** START CODING ON THE NEXT LINE ********

document.body.style.backgroundColor ='black';

varsurface =newTHREE.MeshPhongMaterial({ambient: 0xFFD700});

varstar =newTHREE.SphereGeometry(50, 28, 21);

varsun =newTHREE.Mesh(star, surface);

scene.add(sun);

varambient =newTHREE.AmbientLight(0xffffff);

scene.add(ambient);

varsunlight =newTHREE.PointLight(0xffffff, 5, 1000);

sun.add(sunlight);

varsurface =newTHREE.MeshPhongMaterial({ambient: 0x1a1a1a, color: 0x0000cd});

varplanet =newTHREE.SphereGeometry(20, 20, 15);

varearth =newTHREE.Mesh(planet, surface);

earth.position.set(250, 0, 0);

scene.add(earth);

varsurface =newTHREE.MeshPhongMaterial({ambient: 0x1a1a1a, color: 0xffffff});

varplanet =newTHREE.SphereGeometry(15, 30, 25);

varmoon =newTHREE.Mesh(planet, surface);

varmoon_orbit =newTHREE.Object3D();

earth.add(moon_orbit);

moon_orbit.add(moon);

moon.position.set(0, 100, 0);

moon_orbit.add(earth_cam);

earth_cam.rotation.set(Math.PI/2, 0, 0);

vartime = 0,

speed = 1,

pause = false;

functionanimate() {

requestAnimationFrame(animate);

renderer.render(scene, camera);

if(pause)return;

time = time + speed;

Appendix 1. Project Code • 244

Prepared exclusively for Michael Powell report erratum • discuss