Hi, can anybody tell me how to set the bidirectional normal vector for vertices please?
Thanks in advance!
Hi, can anybody tell me how to set the bidirectional normal vector for vertices please?
Thanks in advance!
glBidirectionalvector3f
Why I didn’t find the command glBidirectionalvector3f??? And there is no introduction to this in the red book either
http://oss.sgi.com/projects/ogl-sample/registry/EXT/coordinate_frame.txt
This extension seems not to be implemented. So you have to do it yourself.