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 RADIUS, DELTA-RADIUS < ========
13 * Written by Linas Vepstas, March 1995
16 /* required include files */
22 /*#include <GL/glut.h>*/
29 /* most recent mouse postion */
36 void InitStuff_helix2 (void)
40 /* draw the helix shape */
41 void DrawStuff_helix2 (void)
43 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
44 glColor3f (0.6, 0.3, 0.8);
46 /* set up some matrices so that the object spins with the mouse */
48 glTranslatef (0.0, 0.0, -80.0);
49 glRotatef(rot_x, 1, 0, 0);
50 glRotatef(rot_y, 0, 1, 0);
51 glRotatef(rot_z, 0, 0, 1);
52 /* glRotatef (220.0, 0.0, 1.0, 0.0); */
53 /* glRotatef (65.0, 1.0, 0.0, 0.0); */
55 /* Phew. FINALLY, Draw the helix -- */
56 gleSetJoinStyle (TUBE_NORM_EDGE | TUBE_JN_ANGLE | TUBE_JN_CAP);
57 gleHelicoid (0.01*lastx,
58 6.0, (0.01*lasty - 2.0),
59 -3.0, 4.0, 0x0, 0x0, 0.0, 1080.0);
64 /* ------------------------- end of file ----------------- */