Help me please
the problem with 3d and 2d graphics
i have Rectangle and i need rotate it
i'll do it from the rotation matrix
TForm1::P3d __fastcall TForm1::R(TForm1::P3d thk,double angel)
and then translate it to the 2d byQuote:}
TForm1::P3d __fastcall TForm1::DD(TForm1::P3d thk,TForm1::P3d c)
//c.x and c.y is the center
where P3d isQuote:}
and where angel is angleQuote:};
i v rotate it by the timer
when it begin's at first it stand begear then smaler but a little it rotate
and then it fly away
i don't know what to do please help me!
if need i can give full code
with best regards Arkan.