public void translateDropPlane(float dx, float dy, float dz) {
		if (dropPlane == null)
			return;
		Cuboids cuboids = ((ExtendedFrameRenderer) repaintManager.frameRenderer).cuboids;
		SimulationBox box = (SimulationBox) cuboids.getCuboid(0);
		if (dropPlane.getCenter().x + dx < box.getMinX())
			return;
		if (dropPlane.getCenter().x + dx > box.getMaxX())
			return;
		if (dropPlane.getCenter().y + dy < box.getMinY())
			return;
		if (dropPlane.getCenter().y + dy > box.getMaxY())
			return;
		if (dropPlane.getCenter().z + dz < box.getMinZ())
			return;
		if (dropPlane.getCenter().z + dz > box.getMaxZ())
			return;
		dropPlane.move(dx, dy, dz);
	}