Examples with Matrix3f com.jme3.math.Matrix3f used on opensource projects

Example 1 with Matrix3f

use of com.jme3.math.Matrix3f in project jmonkeyengine by jMonkeyEngine.

the class BoundingBox method transform.

/**
     * <code>transform</code> modifies the center of the box to reflect the
     * change made via a rotation, translation and scale.
     * 
     * @param trans 
     *            the transform to apply
     * @param store
     *            box to store result in
     */
public BoundingVolume transform(Transform trans, BoundingVolume store) {
    BoundingBox box;
    if (store == null || store.getType() != Type.AABB) {
        box = new BoundingBox();
    } else {
        box = (BoundingBox) store;
    }
    center.mult(trans.getScale(), box.center);
    trans.getRotation().mult(box.center, box.center);
    box.center.addLocal(trans.getTranslation());
    TempVars vars = TempVars.get();
    Matrix3f transMatrix = vars.tempMat3;
    transMatrix.set(trans.getRotation());
    // Make the rotation matrix all positive to get the maximum x/y/z extent
    transMatrix.absoluteLocal();
    Vector3f scale = trans.getScale();
    vars.vect1.set(xExtent * FastMath.abs(scale.x), yExtent * FastMath.abs(scale.y), zExtent * FastMath.abs(scale.z));
    transMatrix.mult(vars.vect1, vars.vect2);
    // Assign the biggest rotations after scales.
    box.xExtent = FastMath.abs(vars.vect2.getX());
    box.yExtent = FastMath.abs(vars.vect2.getY());
    box.zExtent = FastMath.abs(vars.vect2.getZ());
    vars.release();
    return box;
}

Example 2 with Matrix3f

use of com.jme3.math.Matrix3f in project jmonkeyengine by jMonkeyEngine.

the class ChildCollisionShape method read.

public void read(JmeImporter im) throws IOException {
    InputCapsule capsule = im.getCapsule(this);
    location = (Vector3f) capsule.readSavable("location", new Vector3f());
    rotation = (Matrix3f) capsule.readSavable("rotation", new Matrix3f());
    shape = (CollisionShape) capsule.readSavable("shape", new BoxCollisionShape(new Vector3f(1, 1, 1)));
}

Example 3 with Matrix3f

use of com.jme3.math.Matrix3f in project jmonkeyengine by jMonkeyEngine.

the class TestFancyCar method onAction.

public void onAction(String binding, boolean value, float tpf) {
    if (binding.equals("Lefts")) {
        if (value) {
            steeringValue += .5f;
        } else {
            steeringValue += -.5f;
        }
        player.steer(steeringValue);
    } else if (binding.equals("Rights")) {
        if (value) {
            steeringValue += -.5f;
        } else {
            steeringValue += .5f;
        }
        player.steer(steeringValue);
    } else //note that our fancy car actually goes backwards..
    if (binding.equals("Ups")) {
        if (value) {
            accelerationValue -= 800;
        } else {
            accelerationValue += 800;
        }
        player.accelerate(accelerationValue);
        player.setCollisionShape(CollisionShapeFactory.createDynamicMeshShape(findGeom(carNode, "Car")));
    } else if (binding.equals("Downs")) {
        if (value) {
            player.brake(40f);
        } else {
            player.brake(0f);
        }
    } else if (binding.equals("Reset")) {
        if (value) {
            System.out.println("Reset");
            player.setPhysicsLocation(Vector3f.ZERO);
            player.setPhysicsRotation(new Matrix3f());
            player.setLinearVelocity(Vector3f.ZERO);
            player.setAngularVelocity(Vector3f.ZERO);
            player.resetSuspension();
        } else {
        }
    }
}

Example 4 with Matrix3f

use of com.jme3.math.Matrix3f 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 5 with Matrix3f

use of com.jme3.math.Matrix3f in project jmonkeyengine by jMonkeyEngine.

the class CompoundCollisionShape method addChildShape.

/**
     * adds a child shape at the given local translation
     * @param shape the child shape to add
     * @param location the local location of the child shape
     */
public void addChildShape(CollisionShape shape, Vector3f location) {
    Transform transA = new Transform(Converter.convert(new Matrix3f()));
    Converter.convert(location, transA.origin);
    children.add(new ChildCollisionShape(location.clone(), new Matrix3f(), shape));
    ((CompoundShape) cShape).addChildShape(transA, shape.getCShape());
}