Opengl API in glscene lazarus / 70-OpenGL ---------------------------------------------------------------------- Công Tuấn · 2014-09-10 13:24 How can i use Opengl API in glscene example I want to draw the plane in glscene but i don't want use Tplane, i want to use GL_QUADS please help me. I come from Việt Nam ---------------------------------------------------------------------- User137 · 2014-09-10 17:02 Try doing a "file contains" search on GLScene filetree, that contains word "glVertex". It could be something simple as GL.pas ---------------------------------------------------------------------- Công Tuấn · 2014-09-11 12:05 Thanks for yours reply, i found the clothify project in direction demolcl\physic\clothify but when i compile it, it give error. please help me. ---------------------------------------------------------------------- Công Tuấn · 2014-09-12 07:06 OK, solution is TDirectOpenGL, Thanks for replied, @user137