1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package jme3test.bullet; 34 35 import com.jme3.app.SimpleApplication; 36 import com.jme3.bullet.BulletAppState; 37 import com.jme3.bullet.PhysicsSpace; 38 import com.jme3.bullet.collision.shapes.BoxCollisionShape; 39 import com.jme3.bullet.control.RigidBodyControl; 40 import com.jme3.bullet.joints.HingeJoint; 41 import com.jme3.input.KeyInput; 42 import com.jme3.input.controls.AnalogListener; 43 import com.jme3.input.controls.KeyTrigger; 44 import com.jme3.math.Vector3f; 45 import com.jme3.scene.Node; 46 47 public class TestPhysicsHingeJoint extends SimpleApplication implements AnalogListener { 48 private BulletAppState bulletAppState; 49 private HingeJoint joint; 50 main(String[] args)51 public static void main(String[] args) { 52 TestPhysicsHingeJoint app = new TestPhysicsHingeJoint(); 53 app.start(); 54 } 55 setupKeys()56 private void setupKeys() { 57 inputManager.addMapping("Left", new KeyTrigger(KeyInput.KEY_H)); 58 inputManager.addMapping("Right", new KeyTrigger(KeyInput.KEY_K)); 59 inputManager.addMapping("Swing", new KeyTrigger(KeyInput.KEY_SPACE)); 60 inputManager.addListener(this, "Left", "Right", "Swing"); 61 } 62 onAnalog(String binding, float value, float tpf)63 public void onAnalog(String binding, float value, float tpf) { 64 if(binding.equals("Left")){ 65 joint.enableMotor(true, 1, .1f); 66 } 67 else if(binding.equals("Right")){ 68 joint.enableMotor(true, -1, .1f); 69 } 70 else if(binding.equals("Swing")){ 71 joint.enableMotor(false, 0, 0); 72 } 73 } 74 75 @Override simpleInitApp()76 public void simpleInitApp() { 77 bulletAppState = new BulletAppState(); 78 stateManager.attach(bulletAppState); 79 bulletAppState.getPhysicsSpace().enableDebug(assetManager); 80 setupKeys(); 81 setupJoint(); 82 } 83 getPhysicsSpace()84 private PhysicsSpace getPhysicsSpace(){ 85 return bulletAppState.getPhysicsSpace(); 86 } 87 setupJoint()88 public void setupJoint() { 89 Node holderNode=PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f( .1f, .1f, .1f)),0); 90 holderNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f,0,0f)); 91 rootNode.attachChild(holderNode); 92 getPhysicsSpace().add(holderNode); 93 94 Node hammerNode=PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f( .3f, .3f, .3f)),1); 95 hammerNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f,-1,0f)); 96 rootNode.attachChild(hammerNode); 97 getPhysicsSpace().add(hammerNode); 98 99 joint=new HingeJoint(holderNode.getControl(RigidBodyControl.class), hammerNode.getControl(RigidBodyControl.class), Vector3f.ZERO, new Vector3f(0f,-1,0f), Vector3f.UNIT_Z, Vector3f.UNIT_Z); 100 getPhysicsSpace().add(joint); 101 } 102 103 @Override simpleUpdate(float tpf)104 public void simpleUpdate(float tpf) { 105 106 } 107 108 109 }