|
@@ -1,560 +0,0 @@
|
|
|
-<html lang="en">
|
|
|
|
|
- <head>
|
|
|
|
|
- <title>Convex buffer object breaking example</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 {
|
|
|
|
|
- color: #61443e;
|
|
|
|
|
- font-family:Monospace;
|
|
|
|
|
- font-size:13px;
|
|
|
|
|
- text-align:center;
|
|
|
|
|
-
|
|
|
|
|
- background-color: #bfd1e5;
|
|
|
|
|
- margin: 0px;
|
|
|
|
|
- overflow: hidden;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- #info {
|
|
|
|
|
- position: absolute;
|
|
|
|
|
- top: 0px; width: 100%;
|
|
|
|
|
- padding: 5px;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- a {
|
|
|
|
|
- color: #a06851;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- </style>
|
|
|
|
|
- </head>
|
|
|
|
|
- <body>
|
|
|
|
|
-
|
|
|
|
|
- <div id="info">Physics threejs demo with convex objects breaking in real time<br />Press mouse to throw balls and move the camera.</div>
|
|
|
|
|
- <div id="container"><br /><br /><br /><br /><br />Loading...</div>
|
|
|
|
|
-
|
|
|
|
|
- <script src="../build/three.js"></script>
|
|
|
|
|
- <script src="js/libs/ammo.js"></script>
|
|
|
|
|
- <script src="js/controls/OrbitControls.js"></script>
|
|
|
|
|
- <script src="js/Detector.js"></script>
|
|
|
|
|
- <script src="js/libs/stats.min.js"></script>
|
|
|
|
|
- <script src="js/ConvexBufferObjectBreaker.js"></script>
|
|
|
|
|
- <script src="js/QuickHull.js"></script>
|
|
|
|
|
- <script src="js/geometries/ConvexGeometry.js"></script>
|
|
|
|
|
-
|
|
|
|
|
- <script>
|
|
|
|
|
-
|
|
|
|
|
- // Detects webgl
|
|
|
|
|
- if ( ! Detector.webgl ) {
|
|
|
|
|
- Detector.addGetWebGLMessage();
|
|
|
|
|
- document.getElementById( 'container' ).innerHTML = "";
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // - Global variables -
|
|
|
|
|
-
|
|
|
|
|
- // Graphics variables
|
|
|
|
|
- var container, stats;
|
|
|
|
|
- var camera, controls, scene, renderer;
|
|
|
|
|
- var textureLoader;
|
|
|
|
|
- var clock = new THREE.Clock();
|
|
|
|
|
-
|
|
|
|
|
- var mouseCoords = new THREE.Vector2();
|
|
|
|
|
- var raycaster = new THREE.Raycaster();
|
|
|
|
|
- var ballMaterial = new THREE.MeshPhongMaterial( { color: 0x202020 } );
|
|
|
|
|
-
|
|
|
|
|
- // Physics variables
|
|
|
|
|
- var gravityConstant = 7.8;
|
|
|
|
|
- var collisionConfiguration;
|
|
|
|
|
- var dispatcher;
|
|
|
|
|
- var broadphase;
|
|
|
|
|
- var solver;
|
|
|
|
|
- var physicsWorld;
|
|
|
|
|
- var margin = 0.05;
|
|
|
|
|
-
|
|
|
|
|
- var convexBreaker = new THREE.ConvexBufferObjectBreaker();
|
|
|
|
|
-
|
|
|
|
|
- // Rigid bodies include all movable objects
|
|
|
|
|
- var rigidBodies = [];
|
|
|
|
|
-
|
|
|
|
|
- var pos = new THREE.Vector3();
|
|
|
|
|
- var quat = new THREE.Quaternion();
|
|
|
|
|
- var transformAux1 = new Ammo.btTransform();
|
|
|
|
|
- var tempBtVec3_1 = new Ammo.btVector3( 0, 0, 0 );
|
|
|
|
|
-
|
|
|
|
|
- var time = 0;
|
|
|
|
|
-
|
|
|
|
|
- var objectsToRemove = [];
|
|
|
|
|
- for ( var i = 0; i < 500; i++ ) {
|
|
|
|
|
- objectsToRemove[ i ] = null;
|
|
|
|
|
- }
|
|
|
|
|
- var numObjectsToRemove = 0;
|
|
|
|
|
-
|
|
|
|
|
- var impactPoint = new THREE.Vector3();
|
|
|
|
|
- var impactNormal = new THREE.Vector3();
|
|
|
|
|
-
|
|
|
|
|
- // - Main code -
|
|
|
|
|
-
|
|
|
|
|
- init();
|
|
|
|
|
- animate();
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- // - Functions -
|
|
|
|
|
-
|
|
|
|
|
- function init() {
|
|
|
|
|
-
|
|
|
|
|
- initGraphics();
|
|
|
|
|
-
|
|
|
|
|
- initPhysics();
|
|
|
|
|
-
|
|
|
|
|
- createObjects();
|
|
|
|
|
-
|
|
|
|
|
- initInput();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function initGraphics() {
|
|
|
|
|
-
|
|
|
|
|
- container = document.getElementById( 'container' );
|
|
|
|
|
-
|
|
|
|
|
- camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.2, 2000 );
|
|
|
|
|
-
|
|
|
|
|
- scene = new THREE.Scene();
|
|
|
|
|
- scene.background = new THREE.Color( 0xbfd1e5 );
|
|
|
|
|
-
|
|
|
|
|
- camera.position.set( -14, 8, 16 );
|
|
|
|
|
-
|
|
|
|
|
- controls = new THREE.OrbitControls( camera );
|
|
|
|
|
- controls.target.set( 0, 2, 0 );
|
|
|
|
|
- controls.update();
|
|
|
|
|
-
|
|
|
|
|
- renderer = new THREE.WebGLRenderer();
|
|
|
|
|
- renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
|
- renderer.shadowMap.enabled = true;
|
|
|
|
|
-
|
|
|
|
|
- textureLoader = new THREE.TextureLoader();
|
|
|
|
|
-
|
|
|
|
|
- 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 );
|
|
|
|
|
-
|
|
|
|
|
-
|
|
|
|
|
- container.innerHTML = "";
|
|
|
|
|
-
|
|
|
|
|
- container.appendChild( renderer.domElement );
|
|
|
|
|
-
|
|
|
|
|
- stats = new Stats();
|
|
|
|
|
- stats.domElement.style.position = 'absolute';
|
|
|
|
|
- stats.domElement.style.top = '0px';
|
|
|
|
|
- container.appendChild( stats.domElement );
|
|
|
|
|
-
|
|
|
|
|
- //
|
|
|
|
|
-
|
|
|
|
|
- window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function initPhysics() {
|
|
|
|
|
-
|
|
|
|
|
- // Physics configuration
|
|
|
|
|
-
|
|
|
|
|
- collisionConfiguration = new Ammo.btDefaultCollisionConfiguration();
|
|
|
|
|
- dispatcher = new Ammo.btCollisionDispatcher( collisionConfiguration );
|
|
|
|
|
- broadphase = new Ammo.btDbvtBroadphase();
|
|
|
|
|
- solver = new Ammo.btSequentialImpulseConstraintSolver();
|
|
|
|
|
- physicsWorld = new Ammo.btDiscreteDynamicsWorld( dispatcher, broadphase, solver, collisionConfiguration );
|
|
|
|
|
- physicsWorld.setGravity( new Ammo.btVector3( 0, - gravityConstant, 0 ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createObject( mass, halfExtents, pos, quat, material ) {
|
|
|
|
|
-
|
|
|
|
|
- var object = new THREE.Mesh( new THREE.BoxBufferGeometry( halfExtents.x * 2, halfExtents.y * 2, halfExtents.z * 2 ), material );
|
|
|
|
|
- object.position.copy( pos );
|
|
|
|
|
- object.quaternion.copy( quat );
|
|
|
|
|
- convexBreaker.prepareBreakableObject( object, mass, new THREE.Vector3(), new THREE.Vector3(), true );
|
|
|
|
|
- createDebrisFromBreakableObject( object );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createObjects() {
|
|
|
|
|
-
|
|
|
|
|
- // Ground
|
|
|
|
|
- pos.set( 0, - 0.5, 0 );
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- var ground = createParalellepipedWithPhysics( 40, 1, 40, 0, pos, quat, new THREE.MeshPhongMaterial( { color: 0xFFFFFF } ) );
|
|
|
|
|
- ground.receiveShadow = true;
|
|
|
|
|
- textureLoader.load( "textures/grid.png", function( texture ) {
|
|
|
|
|
- texture.wrapS = THREE.RepeatWrapping;
|
|
|
|
|
- texture.wrapT = THREE.RepeatWrapping;
|
|
|
|
|
- texture.repeat.set( 40, 40 );
|
|
|
|
|
- ground.material.map = texture;
|
|
|
|
|
- ground.material.needsUpdate = true;
|
|
|
|
|
- } );
|
|
|
|
|
-
|
|
|
|
|
- // Tower 1
|
|
|
|
|
- var towerMass = 1000;
|
|
|
|
|
- var towerHalfExtents = new THREE.Vector3( 2, 5, 2 );
|
|
|
|
|
- pos.set( -8, 5, 0 );
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- createObject( towerMass, towerHalfExtents, pos, quat, createMaterial( 0xB03014 ) );
|
|
|
|
|
-
|
|
|
|
|
- // Tower 2
|
|
|
|
|
- pos.set( 8, 5, 0 );
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- createObject( towerMass, towerHalfExtents, pos, quat, createMaterial( 0xB03214 ) );
|
|
|
|
|
-
|
|
|
|
|
- //Bridge
|
|
|
|
|
- var bridgeMass = 100;
|
|
|
|
|
- var bridgeHalfExtents = new THREE.Vector3( 7, 0.2, 1.5 );
|
|
|
|
|
- pos.set( 0, 10.2, 0 );
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- createObject( bridgeMass, bridgeHalfExtents, pos, quat, createMaterial( 0xB3B865 ) );
|
|
|
|
|
-
|
|
|
|
|
- // Stones
|
|
|
|
|
- var stoneMass = 120;
|
|
|
|
|
- var stoneHalfExtents = new THREE.Vector3( 1, 2, 0.15 );
|
|
|
|
|
- var numStones = 8;
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- for ( var i = 0; i < numStones; i++ ) {
|
|
|
|
|
-
|
|
|
|
|
- pos.set( 0, 2, 15 * ( 0.5 - i / ( numStones + 1 ) ) );
|
|
|
|
|
-
|
|
|
|
|
- createObject( stoneMass, stoneHalfExtents, pos, quat, createMaterial( 0xB0B0B0 ) );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Mountain
|
|
|
|
|
- var mountainMass = 860;
|
|
|
|
|
- var mountainHalfExtents = new THREE.Vector3( 4, 5, 4 );
|
|
|
|
|
- pos.set( 5, mountainHalfExtents.y * 0.5, - 7 );
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- var mountainPoints = [];
|
|
|
|
|
- mountainPoints.push( new THREE.Vector3( mountainHalfExtents.x, - mountainHalfExtents.y, mountainHalfExtents.z ) );
|
|
|
|
|
- mountainPoints.push( new THREE.Vector3( - mountainHalfExtents.x, - mountainHalfExtents.y, mountainHalfExtents.z ) );
|
|
|
|
|
- mountainPoints.push( new THREE.Vector3( mountainHalfExtents.x, - mountainHalfExtents.y, - mountainHalfExtents.z ) );
|
|
|
|
|
- mountainPoints.push( new THREE.Vector3( - mountainHalfExtents.x, - mountainHalfExtents.y, - mountainHalfExtents.z ) );
|
|
|
|
|
- mountainPoints.push( new THREE.Vector3( 0, mountainHalfExtents.y, 0 ) );
|
|
|
|
|
- var mountain = new THREE.Mesh( new THREE.ConvexBufferGeometry( mountainPoints ), createMaterial( 0xB03814 ) );
|
|
|
|
|
- mountain.position.copy( pos );
|
|
|
|
|
- mountain.quaternion.copy( quat );
|
|
|
|
|
- convexBreaker.prepareBreakableObject( mountain, mountainMass, new THREE.Vector3(), new THREE.Vector3(), true );
|
|
|
|
|
- createDebrisFromBreakableObject( mountain );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createParalellepipedWithPhysics( sx, sy, sz, mass, pos, quat, material ) {
|
|
|
|
|
-
|
|
|
|
|
- var object = new THREE.Mesh( new THREE.BoxBufferGeometry( sx, sy, sz, 1, 1, 1 ), material );
|
|
|
|
|
- var shape = new Ammo.btBoxShape( new Ammo.btVector3( sx * 0.5, sy * 0.5, sz * 0.5 ) );
|
|
|
|
|
- shape.setMargin( margin );
|
|
|
|
|
-
|
|
|
|
|
- createRigidBody( object, shape, mass, pos, quat );
|
|
|
|
|
-
|
|
|
|
|
- return object;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createDebrisFromBreakableObject( object ) {
|
|
|
|
|
-
|
|
|
|
|
- object.castShadow = true;
|
|
|
|
|
- object.receiveShadow = true;
|
|
|
|
|
-
|
|
|
|
|
- var shape = createConvexHullPhysicsShape( object.geometry.attributes.position.array );
|
|
|
|
|
- shape.setMargin( margin );
|
|
|
|
|
-
|
|
|
|
|
- var body = createRigidBody( object, shape, object.userData.mass, null, null, object.userData.velocity, object.userData.angularVelocity );
|
|
|
|
|
-
|
|
|
|
|
- // Set pointer back to the three object only in the debris objects
|
|
|
|
|
- var btVecUserData = new Ammo.btVector3( 0, 0, 0 );
|
|
|
|
|
- btVecUserData.threeObject = object;
|
|
|
|
|
- body.setUserPointer( btVecUserData );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function removeDebris( object ) {
|
|
|
|
|
-
|
|
|
|
|
- scene.remove( object );
|
|
|
|
|
-
|
|
|
|
|
- physicsWorld.removeRigidBody( object.userData.physicsBody );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createConvexHullPhysicsShape( coords ) {
|
|
|
|
|
-
|
|
|
|
|
- var shape = new Ammo.btConvexHullShape();
|
|
|
|
|
-
|
|
|
|
|
- for ( var i = 0, il = coords.length; i < il; i+= 3 ) {
|
|
|
|
|
- var p = coords[ i ];
|
|
|
|
|
- this.tempBtVec3_1.setValue( coords[ i ], coords[ i + 1 ], coords[ i + 2 ] );
|
|
|
|
|
- var lastOne = ( i >= ( il - 3 ) );
|
|
|
|
|
- shape.addPoint( this.tempBtVec3_1, lastOne );
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- return shape;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createRigidBody( object, physicsShape, mass, pos, quat, vel, angVel ) {
|
|
|
|
|
-
|
|
|
|
|
- if ( pos ) {
|
|
|
|
|
- object.position.copy( pos );
|
|
|
|
|
- }
|
|
|
|
|
- else {
|
|
|
|
|
- pos = object.position;
|
|
|
|
|
- }
|
|
|
|
|
- if ( quat ) {
|
|
|
|
|
- object.quaternion.copy( quat );
|
|
|
|
|
- }
|
|
|
|
|
- else {
|
|
|
|
|
- quat = object.quaternion;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- var transform = new Ammo.btTransform();
|
|
|
|
|
- transform.setIdentity();
|
|
|
|
|
- transform.setOrigin( new Ammo.btVector3( pos.x, pos.y, pos.z ) );
|
|
|
|
|
- transform.setRotation( new Ammo.btQuaternion( quat.x, quat.y, quat.z, quat.w ) );
|
|
|
|
|
- var motionState = new Ammo.btDefaultMotionState( transform );
|
|
|
|
|
-
|
|
|
|
|
- var localInertia = new Ammo.btVector3( 0, 0, 0 );
|
|
|
|
|
- physicsShape.calculateLocalInertia( mass, localInertia );
|
|
|
|
|
-
|
|
|
|
|
- var rbInfo = new Ammo.btRigidBodyConstructionInfo( mass, motionState, physicsShape, localInertia );
|
|
|
|
|
- var body = new Ammo.btRigidBody( rbInfo );
|
|
|
|
|
-
|
|
|
|
|
- body.setFriction( 0.5 );
|
|
|
|
|
-
|
|
|
|
|
- if ( vel ) {
|
|
|
|
|
- body.setLinearVelocity( new Ammo.btVector3( vel.x, vel.y, vel.z ) );
|
|
|
|
|
- }
|
|
|
|
|
- if ( angVel ) {
|
|
|
|
|
- body.setAngularVelocity( new Ammo.btVector3( angVel.x, angVel.y, angVel.z ) );
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- object.userData.physicsBody = body;
|
|
|
|
|
- object.userData.collided = false;
|
|
|
|
|
-
|
|
|
|
|
- scene.add( object );
|
|
|
|
|
-
|
|
|
|
|
- if ( mass > 0 ) {
|
|
|
|
|
- rigidBodies.push( object );
|
|
|
|
|
-
|
|
|
|
|
- // Disable deactivation
|
|
|
|
|
- body.setActivationState( 4 );
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- physicsWorld.addRigidBody( body );
|
|
|
|
|
-
|
|
|
|
|
- return body;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createRandomColor() {
|
|
|
|
|
- return Math.floor( Math.random() * ( 1 << 24 ) );
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function createMaterial( color ) {
|
|
|
|
|
- color = color || createRandomColor();
|
|
|
|
|
- return new THREE.MeshPhongMaterial( { color: color } );
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function initInput() {
|
|
|
|
|
-
|
|
|
|
|
- window.addEventListener( 'mousedown', function( event ) {
|
|
|
|
|
-
|
|
|
|
|
- mouseCoords.set(
|
|
|
|
|
- ( event.clientX / window.innerWidth ) * 2 - 1,
|
|
|
|
|
- - ( event.clientY / window.innerHeight ) * 2 + 1
|
|
|
|
|
- );
|
|
|
|
|
-
|
|
|
|
|
- raycaster.setFromCamera( mouseCoords, camera );
|
|
|
|
|
-
|
|
|
|
|
- // Creates a ball and throws it
|
|
|
|
|
- var ballMass = 35;
|
|
|
|
|
- var ballRadius = 0.4;
|
|
|
|
|
-
|
|
|
|
|
- var ball = new THREE.Mesh( new THREE.SphereBufferGeometry( ballRadius, 14, 10 ), ballMaterial );
|
|
|
|
|
- ball.castShadow = true;
|
|
|
|
|
- ball.receiveShadow = true;
|
|
|
|
|
- var ballShape = new Ammo.btSphereShape( ballRadius );
|
|
|
|
|
- ballShape.setMargin( margin );
|
|
|
|
|
- pos.copy( raycaster.ray.direction );
|
|
|
|
|
- pos.add( raycaster.ray.origin );
|
|
|
|
|
- quat.set( 0, 0, 0, 1 );
|
|
|
|
|
- var ballBody = createRigidBody( ball, ballShape, ballMass, pos, quat );
|
|
|
|
|
-
|
|
|
|
|
- pos.copy( raycaster.ray.direction );
|
|
|
|
|
- pos.multiplyScalar( 24 );
|
|
|
|
|
- ballBody.setLinearVelocity( new Ammo.btVector3( pos.x, pos.y, pos.z ) );
|
|
|
|
|
-
|
|
|
|
|
- }, false );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function onWindowResize() {
|
|
|
|
|
-
|
|
|
|
|
- camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
|
|
- camera.updateProjectionMatrix();
|
|
|
|
|
-
|
|
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function animate() {
|
|
|
|
|
-
|
|
|
|
|
- requestAnimationFrame( animate );
|
|
|
|
|
-
|
|
|
|
|
- render();
|
|
|
|
|
- stats.update();
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function render() {
|
|
|
|
|
-
|
|
|
|
|
- var deltaTime = clock.getDelta();
|
|
|
|
|
-
|
|
|
|
|
- updatePhysics( deltaTime );
|
|
|
|
|
-
|
|
|
|
|
- renderer.render( scene, camera );
|
|
|
|
|
-
|
|
|
|
|
- time += deltaTime;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- function updatePhysics( deltaTime ) {
|
|
|
|
|
-
|
|
|
|
|
- // Step world
|
|
|
|
|
- physicsWorld.stepSimulation( deltaTime, 10 );
|
|
|
|
|
-
|
|
|
|
|
- // Update rigid bodies
|
|
|
|
|
- for ( var i = 0, il = rigidBodies.length; i < il; i++ ) {
|
|
|
|
|
- var objThree = rigidBodies[ i ];
|
|
|
|
|
- var objPhys = objThree.userData.physicsBody;
|
|
|
|
|
- var ms = objPhys.getMotionState();
|
|
|
|
|
- if ( ms ) {
|
|
|
|
|
-
|
|
|
|
|
- ms.getWorldTransform( transformAux1 );
|
|
|
|
|
- var p = transformAux1.getOrigin();
|
|
|
|
|
- var q = transformAux1.getRotation();
|
|
|
|
|
- objThree.position.set( p.x(), p.y(), p.z() );
|
|
|
|
|
- objThree.quaternion.set( q.x(), q.y(), q.z(), q.w() );
|
|
|
|
|
-
|
|
|
|
|
- objThree.userData.collided = false;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( var i = 0, il = dispatcher.getNumManifolds(); i < il; i ++ ) {
|
|
|
|
|
-
|
|
|
|
|
- var contactManifold = dispatcher.getManifoldByIndexInternal( i );
|
|
|
|
|
- var rb0 = contactManifold.getBody0();
|
|
|
|
|
- var rb1 = contactManifold.getBody1();
|
|
|
|
|
-
|
|
|
|
|
- var threeObject0 = Ammo.castObject( rb0.getUserPointer(), Ammo.btVector3 ).threeObject;
|
|
|
|
|
- var threeObject1 = Ammo.castObject( rb1.getUserPointer(), Ammo.btVector3 ).threeObject;
|
|
|
|
|
-
|
|
|
|
|
- if ( ! threeObject0 && ! threeObject1 ) {
|
|
|
|
|
- continue;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- var userData0 = threeObject0 ? threeObject0.userData : null;
|
|
|
|
|
- var userData1 = threeObject1 ? threeObject1.userData : null;
|
|
|
|
|
-
|
|
|
|
|
- var breakable0 = userData0 ? userData0.breakable : false;
|
|
|
|
|
- var breakable1 = userData1 ? userData1.breakable : false;
|
|
|
|
|
-
|
|
|
|
|
- var collided0 = userData0 ? userData0.collided : false;
|
|
|
|
|
- var collided1 = userData1 ? userData1.collided : false;
|
|
|
|
|
-
|
|
|
|
|
- if ( ( ! breakable0 && ! breakable1 ) || ( collided0 && collided1 ) ) {
|
|
|
|
|
- continue;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- var contact = false;
|
|
|
|
|
- var maxImpulse = 0;
|
|
|
|
|
- for ( var j = 0, jl = contactManifold.getNumContacts(); j < jl; j ++ ) {
|
|
|
|
|
- var contactPoint = contactManifold.getContactPoint( j );
|
|
|
|
|
- if ( contactPoint.getDistance() < 0 ) {
|
|
|
|
|
- contact = true;
|
|
|
|
|
- var impulse = contactPoint.getAppliedImpulse();
|
|
|
|
|
- if ( impulse > maxImpulse ) {
|
|
|
|
|
- maxImpulse = impulse;
|
|
|
|
|
- var pos = contactPoint.get_m_positionWorldOnB();
|
|
|
|
|
- var normal = contactPoint.get_m_normalWorldOnB();
|
|
|
|
|
- impactPoint.set( pos.x(), pos.y(), pos.z() );
|
|
|
|
|
- impactNormal.set( normal.x(), normal.y(), normal.z() );
|
|
|
|
|
- }
|
|
|
|
|
- break;
|
|
|
|
|
- }
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // If no point has contact, abort
|
|
|
|
|
- if ( ! contact ) {
|
|
|
|
|
- continue;
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- // Subdivision
|
|
|
|
|
-
|
|
|
|
|
- var fractureImpulse = 250;
|
|
|
|
|
-
|
|
|
|
|
- if ( breakable0 && !collided0 && maxImpulse > fractureImpulse ) {
|
|
|
|
|
-
|
|
|
|
|
- var debris = convexBreaker.subdivideByImpact( threeObject0, impactPoint, impactNormal , 1, 2, 1.5 );
|
|
|
|
|
-
|
|
|
|
|
- var numObjects = debris.length;
|
|
|
|
|
- for ( var j = 0; j < numObjects; j++ ) {
|
|
|
|
|
-
|
|
|
|
|
- createDebrisFromBreakableObject( debris[ j ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- objectsToRemove[ numObjectsToRemove++ ] = threeObject0;
|
|
|
|
|
- userData0.collided = true;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- if ( breakable1 && !collided1 && maxImpulse > fractureImpulse ) {
|
|
|
|
|
-
|
|
|
|
|
- var debris = convexBreaker.subdivideByImpact( threeObject1, impactPoint, impactNormal , 1, 2, 1.5 );
|
|
|
|
|
-
|
|
|
|
|
- var numObjects = debris.length;
|
|
|
|
|
- for ( var j = 0; j < numObjects; j++ ) {
|
|
|
|
|
-
|
|
|
|
|
- createDebrisFromBreakableObject( debris[ j ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- objectsToRemove[ numObjectsToRemove++ ] = threeObject1;
|
|
|
|
|
- userData1.collided = true;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- for ( var i = 0; i < numObjectsToRemove; i++ ) {
|
|
|
|
|
-
|
|
|
|
|
- removeDebris( objectsToRemove[ i ] );
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
- numObjectsToRemove = 0;
|
|
|
|
|
-
|
|
|
|
|
- }
|
|
|
|
|
-
|
|
|
|
|
- </script>
|
|
|
|
|
-
|
|
|
|
|
- </body>
|
|
|
|
|
-</html>
|
|
|
yomboprime