70     rh.z = hit->y - tex->ctr.y;  in image_cyl_texture()
71     rh.y = hit->z - tex->ctr.z;  in image_cyl_texture()
81     v = v * tex->scale.y;  in image_cyl_texture()
82     v = v + tex->rot.y;  in image_cyl_texture()
96     rh.y = hit->y - tex->ctr.y;  in image_sphere_texture()
107     v = v * tex->scale.y;  in image_sphere_texture()
108     v = v + tex->rot.y;  in image_sphere_texture()
122     pnt.y = hit->y - tex->ctr.y;  in image_plane_texture()
139     v = v * tex->scale.y;  in image_plane_texture()
140     v = v + tex->rot.y;  in image_plane_texture()
164     long x, y, z;  in checker_texture()  local
171     yh = hit->y - tex->ctr.y;  in checker_texture()
172     y = (long)((fabs(yh) * 3) + 0.5);  in checker_texture()
173     y = y % 2;  in checker_texture()
178     if (((x + y + z) % 2) == 1) {  in checker_texture()
193     long x, y;  in cyl_checker_texture()  local
199     rh.y = hit->y - tex->ctr.y;  in cyl_checker_texture()
206     y = (long)(fabs(v) * 10.0);  in cyl_checker_texture()
207     y = y % 2;  in cyl_checker_texture()
209     if (((x + y) % 2) == 1) {  in cyl_checker_texture()
227     flt x, y, z;  in wood_texture()  local
230     y = (hit->y - tex->ctr.y) * 1000;  in wood_texture()
239     radius = radius + 3.0 * sin(20 * angle + y / 150.0);  in wood_texture()
259     byte_t x, y, z, i, j, k;  in InitNoise()  local
262         for (y = 0; y < NMAX; y++) {  in InitNoise()
264                 NoiseMatrix[x][y][z] = rand() % 12000;  in InitNoise()
271                 if (y == NMAX - 1)  in InitNoise()
274                     j = y;  in InitNoise()
281                 NoiseMatrix[x][y][z] = NoiseMatrix[i][j][k];  in InitNoise()
287 int Noise(flt x, flt y, flt z) {  in Noise()  argument
298     y = fabs(y);  in Noise()
302     iy = ((int)y) % (NMAX - 1);  in Noise()
306     oy = (y - ((int)y));  in Noise()
338     flt x, y, z;  in marble_texture()  local
342     y = hit->y;  in marble_texture()
347     d = x + 0.0006 * Noise(x, (y * 1.0), (z * 1.0));  in marble_texture()
372     f = Noise((hit->x - tex->ctr.x), (hit->y - tex->ctr.y), (hit->z - tex->ctr.z));  in gnoise_texture()