question: public Shape triangle_up ( float x , float y , float height ) { m_path . reset ( ) ; m_path . moveTo ( x , y + height ) ; m_path . lineTo ( x + height / 2 , y ) ; m_path . lineTo ( x + height , ( y + height ) ) ; m_path . closePath ( ) ; return m_path ; }
target:  Returns a up-pointing triangle of the given dimenisions.