(20200305) Frame: int initialize_box () { vTriangle* tri = new vTriangle(); tri->setTriangle ( new vPoint(0.0f, 0.0f, 0.0f), new vPoint( 50.0f, 0.0f, 0.0f), new vPoint( 0.0f, 50.0f, 0.0f) ); //tri->setPoint ( new vPoint(0.0f, 50.0f, 0.0f),…