public class PointComp {
    public Point3D point;
    public Point3D rotatedPoint;
    public Point2D projectedPoint;
    public PointComp(){

    }
    public void setRotatedPoint(Matrix camMatrix){
        camMatrix.multiplyPoint3to(point, rotatedPoint);
    }
    public void project(double FPDis, int scrX, int scrY){
        rotatedPoint.projectOn(FPDis, scrX, scrY, projectedPoint);
    }
}