public Vector projectPoint(Vector point) {
        if(mViroView == null || mViroView.getRenderer() == null) {
            throw new IllegalStateException("Unable to invoke unprojectPoint. Renderer is not initalized");
        }

        return  mViroView.getRenderer().projectPoint(point.x, point.y, point.z);
    }
Project the given world coordinates into screen coordinates.
@param point x,y,x world coord to convert into screen cords.
@return a {@link Vector} whose x and y values represent the screen coordinates.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/VRT3DSceneNavigator.java