159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage jme3test.bullet; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.app.SimpleApplication; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.bullet.BulletAppState; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.bullet.PhysicsSpace; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.bullet.collision.shapes.*; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.bullet.control.RigidBodyControl; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.bullet.joints.HingeJoint; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.binary.BinaryExporter; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.binary.BinaryImporter; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Plane; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.renderer.RenderManager; 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Node; 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.shape.Sphere; 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.ByteArrayInputStream; 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.ByteArrayOutputStream; 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.logging.Level; 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.logging.Logger; 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This is a basic Test of jbullet-jme functions 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author normenhansen 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class TestPhysicsReadWrite extends SimpleApplication{ 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private BulletAppState bulletAppState; 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Node physicsRootNode; 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static void main(String[] args){ 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta TestPhysicsReadWrite app = new TestPhysicsReadWrite(); 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta app.start(); 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void simpleInitApp() { 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta bulletAppState = new BulletAppState(); 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta stateManager.attach(bulletAppState); 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta bulletAppState.getPhysicsSpace().enableDebug(assetManager); 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsRootNode=new Node("PhysicsRootNode"); 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(physicsRootNode); 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Add a physics sphere to the world 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node physicsSphere = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(1), 1); 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsSphere.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(3, 6, 0)); 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(physicsSphere); 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(physicsSphere); 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Add a physics sphere to the world using the collision shape from sphere one 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node physicsSphere2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, physicsSphere.getControl(RigidBodyControl.class).getCollisionShape(), 1); 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsSphere2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(4, 8, 0)); 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(physicsSphere2); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(physicsSphere2); 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Add a physics box to the world 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node physicsBox = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(1, 1, 1)), 1); 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsBox.getControl(RigidBodyControl.class).setFriction(0.1f); 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsBox.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(.6f, 4, .5f)); 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(physicsBox); 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(physicsBox); 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Add a physics cylinder to the world 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node physicsCylinder = PhysicsTestHelper.createPhysicsTestNode(assetManager, new CylinderCollisionShape(new Vector3f(1f, 1f, 1.5f)), 1); 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsCylinder.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2, 2, 0)); 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(physicsCylinder); 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(physicsCylinder); 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // an obstacle mesh, does not move (mass=0) 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node node2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new MeshCollisionShape(new Sphere(16, 16, 1.2f)), 0); 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta node2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2.5f, -4, 0f)); 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(node2); 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(node2); 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // the floor mesh, does not move (mass=0) 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node node3 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new PlaneCollisionShape(new Plane(new Vector3f(0, 1, 0), 0)), 0); 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta node3.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -6, 0f)); 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(node3); 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(node3); 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Join the physics objects with a Point2Point joint 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta HingeJoint joint=new HingeJoint(physicsSphere.getControl(RigidBodyControl.class), physicsBox.getControl(RigidBodyControl.class), new Vector3f(-2,0,0), new Vector3f(2,0,0), Vector3f.UNIT_Z,Vector3f.UNIT_Z); 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().add(joint); 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //save and load the physicsRootNode 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta try { 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //remove all physics objects from physics space 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().removeAll(physicsRootNode); 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta physicsRootNode.removeFromParent(); 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //export to byte array 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ByteArrayOutputStream bout=new ByteArrayOutputStream(); 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BinaryExporter.getInstance().save(physicsRootNode, bout); 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //import from byte array 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ByteArrayInputStream bin=new ByteArrayInputStream(bout.toByteArray()); 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BinaryImporter imp=BinaryImporter.getInstance(); 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta imp.setAssetManager(assetManager); 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Node newPhysicsRootNode=(Node)imp.load(bin); 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //add all physics objects to physics space 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta getPhysicsSpace().addAll(newPhysicsRootNode); 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rootNode.attachChild(newPhysicsRootNode); 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } catch (IOException ex) { 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Logger.getLogger(TestPhysicsReadWrite.class.getName()).log(Level.SEVERE, null, ex); 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private PhysicsSpace getPhysicsSpace(){ 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return bulletAppState.getPhysicsSpace(); 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void simpleUpdate(float tpf) { 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //TODO: add update code 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void simpleRender(RenderManager rm) { 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //TODO: add render code 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 154