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

Example 56 with Quaternion

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

the class TestBetterCharacter method simpleUpdate.

@Override
public void simpleUpdate(float tpf) {
    // Apply planet gravity to character if close enough (see below)
    checkPlanetGravity();
    // Get current forward and left vectors of model by using its rotation
    // to rotate the unit vectors
    Vector3f modelForwardDir = characterNode.getWorldRotation().mult(Vector3f.UNIT_Z);
    Vector3f modelLeftDir = characterNode.getWorldRotation().mult(Vector3f.UNIT_X);
    // WalkDirection is global!
    // You *can* make your character fly with this.
    walkDirection.set(0, 0, 0);
    if (leftStrafe) {
        walkDirection.addLocal(modelLeftDir.mult(3));
    } else if (rightStrafe) {
        walkDirection.addLocal(modelLeftDir.negate().multLocal(3));
    }
    if (forward) {
        walkDirection.addLocal(modelForwardDir.mult(3));
    } else if (backward) {
        walkDirection.addLocal(modelForwardDir.negate().multLocal(3));
    }
    physicsCharacter.setWalkDirection(walkDirection);
    // setApplyPhysicsLocal()
    if (leftRotate) {
        Quaternion rotateL = new Quaternion().fromAngleAxis(FastMath.PI * tpf, Vector3f.UNIT_Y);
        rotateL.multLocal(viewDirection);
    } else if (rightRotate) {
        Quaternion rotateR = new Quaternion().fromAngleAxis(-FastMath.PI * tpf, Vector3f.UNIT_Y);
        rotateR.multLocal(viewDirection);
    }
    physicsCharacter.setViewDirection(viewDirection);
    fpsText.setText("Touch da ground = " + physicsCharacter.isOnGround());
    if (!lockView) {
        cam.lookAt(characterNode.getWorldTranslation().add(new Vector3f(0, 2, 0)), Vector3f.UNIT_Y);
    }
}

Example 57 with Quaternion

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

the class TestCollisionShapeFactory method attachRandomGeometry.

private void attachRandomGeometry(Node node, Material mat) {
    Box box = new Box(0.25f, 0.25f, 0.25f);
    Torus torus = new Torus(16, 16, 0.2f, 0.8f);
    Geometry[] boxes = new Geometry[] { new Geometry("box1", box), new Geometry("box2", box), new Geometry("box3", box), new Geometry("torus1", torus), new Geometry("torus2", torus), new Geometry("torus3", torus) };
    for (int i = 0; i < boxes.length; i++) {
        Geometry geometry = boxes[i];
        geometry.setLocalTranslation((float) Math.random() * 10 - 10, (float) Math.random() * 10 - 10, (float) Math.random() * 10 - 10);
        geometry.setLocalRotation(new Quaternion().fromAngles((float) Math.random() * FastMath.PI, (float) Math.random() * FastMath.PI, (float) Math.random() * FastMath.PI));
        geometry.setLocalScale((float) Math.random() * 10 - 10, (float) Math.random() * 10 - 10, (float) Math.random() * 10 - 10);
        geometry.setMaterial(mat);
        node.attachChild(geometry);
    }
}

Example 58 with Quaternion

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

the class TestBatchNodeCluster method simpleUpdate.

@Override
public void simpleUpdate(float tpf) {
    time += tpf;
    int random = rand.nextInt(2000);
    float mult1 = 1.0f;
    float mult2 = 1.0f;
    if (random < 500) {
        mult1 = 1.0f;
        mult2 = 1.0f;
    } else if (random < 1000) {
        mult1 = -1.0f;
        mult2 = 1.0f;
    } else if (random < 1500) {
        mult1 = 1.0f;
        mult2 = -1.0f;
    } else if (random <= 2000) {
        mult1 = -1.0f;
        mult2 = -1.0f;
    }
    box = batchNode.getChild("Box" + random);
    if (box != null) {
        Vector3f v = box.getLocalTranslation();
        box.setLocalTranslation(v.x + FastMath.sin(time * mult1) * 20, v.y + (FastMath.sin(time * mult1) * FastMath.cos(time * mult1) * 20), v.z + FastMath.cos(time * mult2) * 20);
    }
    terrain.setLocalRotation(new Quaternion().fromAngleAxis(time, Vector3f.UNIT_Y));
}

Example 59 with Quaternion

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

the class TestHoveringTank method makeMissile.

public void makeMissile() {
    Vector3f pos = spaceCraft.getWorldTranslation().clone();
    Quaternion rot = spaceCraft.getWorldRotation();
    Vector3f dir = rot.getRotationColumn(2);
    Spatial missile = assetManager.loadModel("Models/SpaceCraft/Rocket.mesh.xml");
    missile.scale(0.5f);
    missile.rotate(0, FastMath.PI, 0);
    missile.updateGeometricState();
    BoundingBox box = (BoundingBox) missile.getWorldBound();
    final Vector3f extent = box.getExtent(null);
    BoxCollisionShape boxShape = new BoxCollisionShape(extent);
    missile.setName("Missile");
    missile.rotate(rot);
    missile.setLocalTranslation(pos.addLocal(0, extent.y * 4.5f, 0));
    missile.setLocalRotation(hoverControl.getPhysicsRotation());
    missile.setShadowMode(ShadowMode.Cast);
    RigidBodyControl control = new BombControl(assetManager, boxShape, 20);
    control.setLinearVelocity(dir.mult(100));
    control.setCollisionGroup(PhysicsCollisionObject.COLLISION_GROUP_03);
    missile.addControl(control);
    rootNode.attachChild(missile);
    getPhysicsSpace().add(missile);
}

Example 60 with Quaternion

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

the class PhysicsGhostObject method getPhysicsRotation.

/**
     * @return the physicsLocation
     */
public Quaternion getPhysicsRotation(Quaternion rot) {
    if (rot == null) {
        rot = new Quaternion();
    }
    gObject.getWorldTransform(tempTrans);
    Converter.convert(tempTrans.getRotation(tempRot), physicsLocation.getRotation());
    return rot.set(physicsLocation.getRotation());
}