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Associated article: Programming with OpenGL Primitives

Tags: Database     Mobile     Parallel    

					_PROGRAMMING WITH OPENGL PRIMITIVES_
by Ron Fosner

Listing One

// Pass in three points, and a vector to be filled

void  NormalVector( GLdouble p1[3], GLdouble p2[3],GLdouble p3[3], GLdouble n[3] )
{
    GLdouble v1[3], v2[3], d;
    // calculate two vectors, using the middle point
    // ...							
										
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