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* Copyright (c) 2009-2010 jMonkeyEngine
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* * Redistributions in binary form must reproduce the above copyright
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package com.xeiam.proprioceptron.jme.physics;
import com.jme3.app.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.shapes.BoxCollisionShape;
import com.jme3.bullet.collision.shapes.SphereCollisionShape;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.bullet.joints.HingeJoint;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.AnalogListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.math.Vector3f;
import com.jme3.scene.Node;
public class TestPhysicsHingeJoint extends SimpleApplication implements AnalogListener {
private BulletAppState bulletAppState;
private HingeJoint joint;
public static void main(String[] args) {
TestPhysicsHingeJoint app = new TestPhysicsHingeJoint();
app.start();
}
@Override
public void onAnalog(String binding, float value, float tpf) {
if (binding.equals("Left")) {
joint.enableMotor(true, 1, .1f);
} else if (binding.equals("Right")) {
joint.enableMotor(true, -1, .1f);
} else if (binding.equals("Swing")) {
joint.enableMotor(false, 0, 0);
}
}
@Override
public void simpleInitApp() {
bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState);
bulletAppState.getPhysicsSpace().enableDebug(assetManager);
setupKeys();
setupJoint();
}
private void setupKeys() {
inputManager.addMapping("Left", new KeyTrigger(KeyInput.KEY_H));
inputManager.addMapping("Right", new KeyTrigger(KeyInput.KEY_K));
inputManager.addMapping("Swing", new KeyTrigger(KeyInput.KEY_SPACE));
inputManager.addListener(this, "Left", "Right", "Swing");
}
public void setupJoint() {
Node holderNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.1f, .1f, .1f)), 0);
holderNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, 0, 0f));
rootNode.attachChild(holderNode);
getPhysicsSpace().add(holderNode);
// Node hammerNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(.3f, .3f, .3f)), 1);
Node hammerNode = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(.3f), 1);
hammerNode.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -1, 0f));
rootNode.attachChild(hammerNode);
getPhysicsSpace().add(hammerNode);
joint = new HingeJoint(holderNode.getControl(RigidBodyControl.class), hammerNode.getControl(RigidBodyControl.class), Vector3f.ZERO, new Vector3f(0f, -1, 0f), Vector3f.UNIT_Z, Vector3f.UNIT_Z);
getPhysicsSpace().add(joint);
}
private PhysicsSpace getPhysicsSpace() {
return bulletAppState.getPhysicsSpace();
}
@Override
public void simpleUpdate(float tpf) {
}
}