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SimpleBall.html
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SimpleBall.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Physijs + THREE.js = Simple Ball Demo</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
font-family: Monospace;
background-color: #000;
color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
}
#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
</style>
</head>
<body>
<script src="js/three.js"></script>
<script type="text/javascript" src="js/physi.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script>
'use strict';
Physijs.scripts.worker = 'js/physijs_worker.js';
Physijs.scripts.ammo = 'ammo.js';
var initScene, render, renderer, scene, camera, box, floor;
var container;
var camera, scene, controls, renderer;
var mouseX = 0, mouseY = 0;
var ball, forceAmount = 100;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var clock = new THREE.Clock();
init();
animate();
function addBall(pos, texture) {
// shared sphere geometry
var geometry = new THREE.SphereGeometry( 1, 32, 32 );
// separate material for each sphere
var friction = 0.8; // high friction
var restitution = 0.8; // low restitution
var material = Physijs.createMaterial(
new THREE.MeshPhongMaterial( {color: 0xff0000, map: texture} ),
friction,
restitution
);
ball = new Physijs.SphereMesh( geometry, material,5 );
//var linearDamping = 1;
//var angularDamping = 0.0;
//ball.setDamping(linearDamping, angularDamping);
ball.position.copy(pos);
ball.castShadow = true;
scene.add( ball );
}
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 10000 );
camera.position.z = 10;
camera.position.y = 5;
controls = new THREE.OrbitControls( camera );
// scene
scene = new Physijs.Scene;
scene.setGravity(new THREE.Vector3( 0, -10, 0 ));
var texture = new THREE.Texture();
var texture2 = new THREE.Texture();
var manager = new THREE.LoadingManager();
manager.onProgress = function ( item, loaded, total ) {
console.log( item, loaded, total );
};
var loader = new THREE.ImageLoader( manager );
loader.load( 'textures/checker.jpg', function ( image ) {
texture.image = image;
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 4, 4);
texture.needsUpdate = true;
//floor
var friction = 1; // high friction
var restitution = 0.3; // low restitution
var material = Physijs.createMaterial(
new THREE.MeshPhongMaterial({ color:0xffffff, map:texture}),
friction,
restitution
);
floor = new Physijs.BoxMesh(
new THREE.CubeGeometry( 50, 0.1, 50 ),
material,
0 //mass
);
floor.receiveShadow = true;
floor.position.set(0,0,0);
scene.add( floor );
} );
loader.load( 'textures/basket_ball.jpg', function ( image ) {
texture2.image = image;
texture2.needsUpdate = true;
addBall(new THREE.Vector3(0,5,0), texture2);
} );
var ambientLight = new THREE.AmbientLight( 0x707070 );
scene.add( ambientLight );
var light = new THREE.DirectionalLight( 0xffffff, 1 );
light.position.set( -10, 18, 5 );
light.castShadow = true;
var d = 14;
light.shadow.camera.left = -d;
light.shadow.camera.right = d;
light.shadow.camera.top = d;
light.shadow.camera.bottom = -d;
light.shadow.camera.near = 2;
light.shadow.camera.far = 50;
light.shadow.mapSize.x = 1024;
light.shadow.mapSize.y = 1024;
scene.add( light );
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.shadowMap.enabled = true;
container.appendChild( renderer.domElement );
container.appendChild( renderer.domElement );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
//add keydown handling
document.addEventListener("keydown", function (event) {
var key = event.keyCode;
var movement = new THREE.Vector3 (0.0);
switch(key) {
case 87: { // w key pressed
movement.z = -1 * forceAmount;
} break;
case 83: { // s key pressed
movement.z = 1 * forceAmount;
} break;
case 65: { // a key pressed
movement.x = -1 * forceAmount;
} break;
case 68: { // d key pressed
movement.x = 1 * forceAmount;
} break;
}
ball.applyForce (movement, new THREE.Vector3(0,1,0));
});
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX ) / 2;
mouseY = ( event.clientY - windowHalfY ) / 2;
}
//
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
var deltaTime = clock.getDelta();
controls.update(deltaTime);
scene.simulate(); // run physics
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
</script>
</body>
</html>