Examples with Node com.jme3.scene.Node used on opensource projects

Example 86 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class TestGhostObject method initGhostObject.

private void initGhostObject() {
    Vector3f halfExtents = new Vector3f(3, 4.2f, 1);
    ghostControl = new GhostControl(new BoxCollisionShape(halfExtents));
    Node node = new Node("Ghost Object");
    node.addControl(ghostControl);
    rootNode.attachChild(node);
    getPhysicsSpace().add(ghostControl);
}

Example 87 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class TestPhysicsCar method buildPlayer.

private void buildPlayer() {
    Material mat = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
    mat.getAdditionalRenderState().setWireframe(true);
    mat.setColor("Color", ColorRGBA.Red);
    //create a compound shape and attach the BoxCollisionShape for the car body at 0,1,0
    //this shifts the effective center of mass of the BoxCollisionShape to 0,-1,0
    CompoundCollisionShape compoundShape = new CompoundCollisionShape();
    BoxCollisionShape box = new BoxCollisionShape(new Vector3f(1.2f, 0.5f, 2.4f));
    compoundShape.addChildShape(box, new Vector3f(0, 1, 0));
    //create vehicle node
    Node vehicleNode = new Node("vehicleNode");
    vehicle = new VehicleControl(compoundShape, 400);
    vehicleNode.addControl(vehicle);
    //setting suspension values for wheels, this can be a bit tricky
    //see also https://docs.google.com/Doc?docid=0AXVUZ5xw6XpKZGNuZG56a3FfMzU0Z2NyZnF4Zmo&hl=en
    //200=f1 car
    float stiffness = 60.0f;
    //(should be lower than damp)
    float compValue = .3f;
    float dampValue = .4f;
    vehicle.setSuspensionCompression(compValue * 2.0f * FastMath.sqrt(stiffness));
    vehicle.setSuspensionDamping(dampValue * 2.0f * FastMath.sqrt(stiffness));
    vehicle.setSuspensionStiffness(stiffness);
    vehicle.setMaxSuspensionForce(10000.0f);
    //Create four wheels and add them at their locations
    // was 0, -1, 0
    Vector3f wheelDirection = new Vector3f(0, -1, 0);
    // was -1, 0, 0
    Vector3f wheelAxle = new Vector3f(-1, 0, 0);
    float radius = 0.5f;
    float restLength = 0.3f;
    float yOff = 0.5f;
    float xOff = 1f;
    float zOff = 2f;
    Cylinder wheelMesh = new Cylinder(16, 16, radius, radius * 0.6f, true);
    Node node1 = new Node("wheel 1 node");
    Geometry wheels1 = new Geometry("wheel 1", wheelMesh);
    node1.attachChild(wheels1);
    wheels1.rotate(0, FastMath.HALF_PI, 0);
    wheels1.setMaterial(mat);
    vehicle.addWheel(node1, new Vector3f(-xOff, yOff, zOff), wheelDirection, wheelAxle, restLength, radius, true);
    Node node2 = new Node("wheel 2 node");
    Geometry wheels2 = new Geometry("wheel 2", wheelMesh);
    node2.attachChild(wheels2);
    wheels2.rotate(0, FastMath.HALF_PI, 0);
    wheels2.setMaterial(mat);
    vehicle.addWheel(node2, new Vector3f(xOff, yOff, zOff), wheelDirection, wheelAxle, restLength, radius, true);
    Node node3 = new Node("wheel 3 node");
    Geometry wheels3 = new Geometry("wheel 3", wheelMesh);
    node3.attachChild(wheels3);
    wheels3.rotate(0, FastMath.HALF_PI, 0);
    wheels3.setMaterial(mat);
    vehicle.addWheel(node3, new Vector3f(-xOff, yOff, -zOff), wheelDirection, wheelAxle, restLength, radius, false);
    Node node4 = new Node("wheel 4 node");
    Geometry wheels4 = new Geometry("wheel 4", wheelMesh);
    node4.attachChild(wheels4);
    wheels4.rotate(0, FastMath.HALF_PI, 0);
    wheels4.setMaterial(mat);
    vehicle.addWheel(node4, new Vector3f(xOff, yOff, -zOff), wheelDirection, wheelAxle, restLength, radius, false);
    vehicleNode.attachChild(node1);
    vehicleNode.attachChild(node2);
    vehicleNode.attachChild(node3);
    vehicleNode.attachChild(node4);
    rootNode.attachChild(vehicleNode);
    getPhysicsSpace().add(vehicle);
}

Example 88 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class TestPhysicsHingeJoint method setupJoint.

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);
    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);
}

Example 89 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class BufferedTriangleCallback method getDebugShape.

/**
     * Creates a debug shape from the given collision shape. This is mostly used internally.<br>
     * To attach a debug shape to a physics object, call <code>attachDebugShape(AssetManager manager);</code> on it.
     * @param collisionShape
     * @return
     */
public static Spatial getDebugShape(CollisionShape collisionShape) {
    if (collisionShape == null) {
        return null;
    }
    Spatial debugShape;
    if (collisionShape instanceof CompoundCollisionShape) {
        CompoundCollisionShape shape = (CompoundCollisionShape) collisionShape;
        List<ChildCollisionShape> children = shape.getChildren();
        Node node = new Node("DebugShapeNode");
        for (Iterator<ChildCollisionShape> it = children.iterator(); it.hasNext(); ) {
            ChildCollisionShape childCollisionShape = it.next();
            CollisionShape ccollisionShape = childCollisionShape.shape;
            Geometry geometry = createDebugShape(ccollisionShape);
            // apply translation
            geometry.setLocalTranslation(childCollisionShape.location);
            // apply rotation
            TempVars vars = TempVars.get();
            Matrix3f tempRot = vars.tempMat3;
            tempRot.set(geometry.getLocalRotation());
            childCollisionShape.rotation.mult(tempRot, tempRot);
            geometry.setLocalRotation(tempRot);
            vars.release();
            node.attachChild(geometry);
        }
        debugShape = node;
    } else {
        debugShape = createDebugShape(collisionShape);
    }
    if (debugShape == null) {
        return null;
    }
    debugShape.updateGeometricState();
    return debugShape;
}

Example 90 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class RagdollUtils method buildPointMap.

public static Map<Integer, List<Float>> buildPointMap(Spatial model) {
    Map<Integer, List<Float>> map = new HashMap<Integer, List<Float>>();
    if (model instanceof Geometry) {
        Geometry g = (Geometry) model;
        buildPointMapForMesh(g.getMesh(), map);
    } else if (model instanceof Node) {
        Node node = (Node) model;
        for (Spatial s : node.getChildren()) {
            if (s instanceof Geometry) {
                Geometry g = (Geometry) s;
                buildPointMapForMesh(g.getMesh(), map);
            }
        }
    }
    return map;
}