3 * helicoid (gernalized torus) demo
6 * This code provides a very simple example of the helicoid primitive.
7 * Most of this code is required to set up OpenGL and GLUT, and very
8 * very little to set up the helix drawer. Don't blink!
10 * =======> MOUSE HOOKED UP TO SWEEP, HEIGHT < ========
13 * Written by Linas Vepstas, March 1995
16 /* required include files */
22 /*#include <GL/glut.h>*/
29 /* controls shape of object */
33 void InitStuff_helix3 (void)
37 /* draw the helix shape */
38 void DrawStuff_helix3 (void)
40 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
41 glColor3f (0.8, 0.3, 0.6);
43 /* set up some matrices so that the object spins with the mouse */
45 /* glTranslatef (0.0, 0.0, -80.0); */
46 /* glRotatef (220.0, 0.0, 1.0, 0.0); */
47 /* glRotatef (65.0, 1.0, 0.0, 0.0); */
49 /* Phew. FINALLY, Draw the helix -- */
50 gleSetJoinStyle (TUBE_NORM_EDGE | TUBE_JN_ANGLE | TUBE_JN_CAP);
51 gleHelicoid (1.0, 6.0, -1.0,
52 0.0, (0.02*lasty-2.0), 0x0, 0x0, 0.0, 6.0*lastx);
57 /* ------------------------- end of file ----------------- */