https://groups.google.com/g/microsoft.public.win32.programmer.directx.graphics/c/Ot73XTYzDCc
Line drawing using method DrawPrimitiveUP() with D3DPT_POINTLIST as D3DPRIMITIVETYPE
line drawingusingmethodpointlist
https://www.star.bristol.ac.uk/mbt/starjavadocs/uk/ac/starlink/ast/PointList.html
PointList (Starlink-UK API)
pointliststarlinkukapi