1 /* 2 * To change this template, choose Tools | Templates 3 * and open the template in the editor. 4 */ 5 package jme3test.bullet; 6 7 import com.jme3.app.SimpleApplication; 8 import com.jme3.bullet.BulletAppState; 9 import com.jme3.bullet.PhysicsSpace; 10 import com.jme3.bullet.collision.shapes.MeshCollisionShape; 11 import com.jme3.bullet.collision.shapes.PlaneCollisionShape; 12 import com.jme3.bullet.collision.shapes.SphereCollisionShape; 13 import com.jme3.bullet.control.RigidBodyControl; 14 import com.jme3.math.Plane; 15 import com.jme3.math.Vector3f; 16 import com.jme3.scene.Node; 17 import com.jme3.scene.shape.Sphere; 18 19 /** 20 * 21 * @author Nehon 22 */ 23 public class TestKinematicAddToPhysicsSpaceIssue extends SimpleApplication { 24 main(String[] args)25 public static void main(String[] args) { 26 TestKinematicAddToPhysicsSpaceIssue app = new TestKinematicAddToPhysicsSpaceIssue(); 27 app.start(); 28 } 29 BulletAppState bulletAppState; 30 31 @Override simpleInitApp()32 public void simpleInitApp() { 33 34 bulletAppState = new BulletAppState(); 35 stateManager.attach(bulletAppState); 36 bulletAppState.getPhysicsSpace().enableDebug(assetManager); 37 // Add a physics sphere to the world 38 Node physicsSphere = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(1), 1); 39 physicsSphere.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(3, 6, 0)); 40 rootNode.attachChild(physicsSphere); 41 42 //Setting the rigidBody to kinematic before adding it to the physic space 43 physicsSphere.getControl(RigidBodyControl.class).setKinematic(true); 44 //adding it to the physic space 45 getPhysicsSpace().add(physicsSphere); 46 //Making it not kinematic again, it should fall under gravity, it doesn't 47 physicsSphere.getControl(RigidBodyControl.class).setKinematic(false); 48 49 // Add a physics sphere to the world using the collision shape from sphere one 50 Node physicsSphere2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(1), 1); 51 physicsSphere2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(5, 6, 0)); 52 rootNode.attachChild(physicsSphere2); 53 54 //Adding the rigid body to physic space 55 getPhysicsSpace().add(physicsSphere2); 56 //making it kinematic 57 physicsSphere2.getControl(RigidBodyControl.class).setKinematic(false); 58 //Making it not kinematic again, it works properly, the rigidbody is affected by grvity. 59 physicsSphere2.getControl(RigidBodyControl.class).setKinematic(false); 60 61 62 63 // an obstacle mesh, does not move (mass=0) 64 Node node2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new MeshCollisionShape(new Sphere(16, 16, 1.2f)), 0); 65 node2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2.5f, -4, 0f)); 66 rootNode.attachChild(node2); 67 getPhysicsSpace().add(node2); 68 69 // the floor mesh, does not move (mass=0) 70 Node node3 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new PlaneCollisionShape(new Plane(new Vector3f(0, 1, 0), 0)), 0); 71 node3.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -6, 0f)); 72 rootNode.attachChild(node3); 73 getPhysicsSpace().add(node3); 74 75 } 76 getPhysicsSpace()77 private PhysicsSpace getPhysicsSpace() { 78 return bulletAppState.getPhysicsSpace(); 79 } 80 } 81