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/xsrc/external/mit/mesa-demos/dist/src/demos/
H A Dgeartrain.c335 GLfloat r1, r2_front, r2_back; local in function:gear
341 r2_front = r2_back = radius;
352 r2_back = radius - width;
403 glVertex3f (r2_back * cos (angle + 2 * da), r2_back * sin (angle + 2 * da), -width * fraction);
404 glVertex3f (r2_back * cos (angle + da), r2_back * sin (angle + da), -width * fraction);
419 u = (r2_front+r2_back)/2.0 * cos (angle + da) - r1 * cos (angle);
420 v = (r2_front+r2_back)/2.0 * sin (angle + da) - r1 * sin (angle);
425 glVertex3f (r2_back * co
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