Hi, i want to make vektor program use TGLArrowLine,ex:vektor node1(0,0,0) and node2(2,2,2).i create GLArrowLine in runtime.i set GLArrowLine position (x,y,z) property at node1.i set GLArrowLine pointo sphere(invisible) at node2.And i set GLArrowLine heigth property by pythagoras.what is best methode i can use?
Thanks and im sorry about my bad english ...