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* Copyright (c) 2009-2012 jMonkeyEngine
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package jme3test.bullet;
import com.jme3.app.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.PhysicsSpace;
import com.jme3.bullet.collision.shapes.CapsuleCollisionShape;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.bullet.joints.ConeJoint;
import com.jme3.bullet.joints.PhysicsJoint;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.MouseButtonTrigger;
import com.jme3.math.Vector3f;
import com.jme3.scene.Node;
/**
*
* @author normenhansen
*/
public class TestRagDoll extends SimpleApplication implements ActionListener {
private BulletAppState bulletAppState = new BulletAppState();
private Node ragDoll = new Node();
private Node shoulders;
private Vector3f upforce = new Vector3f(0, 200, 0);
private boolean applyForce = false;
public static void main(String[] args) {
TestRagDoll app = new TestRagDoll();
app.start();
}
@Override
public void simpleInitApp() {
bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState);
bulletAppState.setDebugEnabled(true);
inputManager.addMapping("Pull ragdoll up", new MouseButtonTrigger(0));
inputManager.addListener(this, "Pull ragdoll up");
PhysicsTestHelper.createPhysicsTestWorld(rootNode, assetManager, bulletAppState.getPhysicsSpace());
createRagDoll();
}
private void createRagDoll() {
shoulders = createLimb(0.2f, 1.0f, new Vector3f(0.00f, 1.5f, 0), true);
Node uArmL = createLimb(0.2f, 0.5f, new Vector3f(-0.75f, 0.8f, 0), false);
Node uArmR = createLimb(0.2f, 0.5f, new Vector3f(0.75f, 0.8f, 0), false);
Node lArmL = createLimb(0.2f, 0.5f, new Vector3f(-0.75f, -0.2f, 0), false);
Node lArmR = createLimb(0.2f, 0.5f, new Vector3f(0.75f, -0.2f, 0), false);
Node body = createLimb(0.2f, 1.0f, new Vector3f(0.00f, 0.5f, 0), false);
Node hips = createLimb(0.2f, 0.5f, new Vector3f(0.00f, -0.5f, 0), true);
Node uLegL = createLimb(0.2f, 0.5f, new Vector3f(-0.25f, -1.2f, 0), false);
Node uLegR = createLimb(0.2f, 0.5f, new Vector3f(0.25f, -1.2f, 0), false);
Node lLegL = createLimb(0.2f, 0.5f, new Vector3f(-0.25f, -2.2f, 0), false);
Node lLegR = createLimb(0.2f, 0.5f, new Vector3f(0.25f, -2.2f, 0), false);
join(body, shoulders, new Vector3f(0f, 1.4f, 0));
join(body, hips, new Vector3f(0f, -0.5f, 0));
join(uArmL, shoulders, new Vector3f(-0.75f, 1.4f, 0));
join(uArmR, shoulders, new Vector3f(0.75f, 1.4f, 0));
join(uArmL, lArmL, new Vector3f(-0.75f, .4f, 0));
join(uArmR, lArmR, new Vector3f(0.75f, .4f, 0));
join(uLegL, hips, new Vector3f(-.25f, -0.5f, 0));
join(uLegR, hips, new Vector3f(.25f, -0.5f, 0));
join(uLegL, lLegL, new Vector3f(-.25f, -1.7f, 0));
join(uLegR, lLegR, new Vector3f(.25f, -1.7f, 0));
ragDoll.attachChild(shoulders);
ragDoll.attachChild(body);
ragDoll.attachChild(hips);
ragDoll.attachChild(uArmL);
ragDoll.attachChild(uArmR);
ragDoll.attachChild(lArmL);
ragDoll.attachChild(lArmR);
ragDoll.attachChild(uLegL);
ragDoll.attachChild(uLegR);
ragDoll.attachChild(lLegL);
ragDoll.attachChild(lLegR);
rootNode.attachChild(ragDoll);
bulletAppState.getPhysicsSpace().addAll(ragDoll);
}
private Node createLimb(float width, float height, Vector3f location, boolean rotate) {
int axis = rotate ? PhysicsSpace.AXIS_X : PhysicsSpace.AXIS_Y;
CapsuleCollisionShape shape = new CapsuleCollisionShape(width, height, axis);
Node node = new Node("Limb");
RigidBodyControl rigidBodyControl = new RigidBodyControl(shape, 1);
node.setLocalTranslation(location);
node.addControl(rigidBodyControl);
return node;
}
private PhysicsJoint join(Node A, Node B, Vector3f connectionPoint) {
Vector3f pivotA = A.worldToLocal(connectionPoint, new Vector3f());
Vector3f pivotB = B.worldToLocal(connectionPoint, new Vector3f());
ConeJoint joint = new ConeJoint(A.getControl(RigidBodyControl.class), B.getControl(RigidBodyControl.class), pivotA, pivotB);
joint.setLimit(1f, 1f, 0);
return joint;
}
public void onAction(String string, boolean bln, float tpf) {
if ("Pull ragdoll up".equals(string)) {
if (bln) {
shoulders.getControl(RigidBodyControl.class).activate();
applyForce = true;
} else {
applyForce = false;
}
}
}
@Override
public void simpleUpdate(float tpf) {
if (applyForce) {
shoulders.getControl(RigidBodyControl.class).applyForce(upforce, Vector3f.ZERO);
}
}
}