Lines Matching defs:y2
57 /* draw a triangle with vertices at (x1, y1), (x2, y2)
61 GLfloat y2, GLfloat x3, GLfloat y3, GLfloat z)
65 glVertex3f (x2, y2, z);
72 GLfloat y2, GLfloat z1, GLfloat z2)
78 glVertex3f (x2, y2, -z1);
79 glVertex3f (x1, y2, -z1);
85 glVertex3f (x2, y2, -z2);
86 glVertex3f (x1, y2, -z2);
92 glVertex3f (x1, y2, -z1);
93 glVertex3f (x1, y2, -z2);
96 glVertex3f (x2, y2, -z1);
97 glVertex3f (x2, y2, -z2);