/**
* Resets the orientation of this {@link ATransformable3D} object to look at its look at target
* and use the specified {@link Vector3} as up. If this is part of a scene graph, the graph will
* be notified of the change.
*
* @param upAxis {@link Vector3} The direction to use as the up axis.
* @return A reference to this {@link ATransformable3D} to facilitate chaining.
*/
public ATransformable3D resetToLookAt(Vector3 upAxis) {
mTempVec.subtractAndSet(mLookAt, mPosition);
// In OpenGL, Cameras are defined such that their forward axis is -Z, not +Z like we have
// defined objects.
if (mIsCamera) mTempVec.inverse();
mOrientation.lookAt(mTempVec, upAxis);
mLookAtValid = true;
markModelMatrixDirty();
return this;
}
private void showHudPositionHelper(Quaternion currentOrientation) {
final Vector3 movement = WorldParameters.FORWARD_AXIS.clone();
Quaternion relative = currentOrientation.clone();
movement.rotateBy(relative).multiply(3);
movement.inverse();
centralPane.getPosition().add(movement);
// TODO move off to the side.
leftTopPlane.getPosition().add(movement);
// leftBottomPlane.getPosition().add(movement);
}