demos/gears/gears.c

42           width - width of gear
49 gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
71     glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
72     glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
74       glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
75       glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
86     glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
87     glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
88     glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
89     glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
99     glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
100     glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
102       glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
103       glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
114     glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
115     glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
116     glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
117     glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
126     glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
127     glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
134     glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
135     glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
137     glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
138     glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
142     glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
143     glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
147   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
148   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
159     glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
160     glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
317 reshape(int width, int height)
319   GLfloat h = (GLfloat) height / (GLfloat) width;
321   glViewport(0, 0, (GLint) width, (GLint) height);