69     rh.x = hit->x - tex->ctr.x;  in image_cyl_texture()
75     u = u * tex->scale.x;  in image_cyl_texture()
76     u = u + tex->rot.x;  in image_cyl_texture()
95     rh.x = hit->x - tex->ctr.x;  in image_sphere_texture()
101     u = u * tex->scale.x;  in image_sphere_texture()
102     u = u + tex->rot.x;  in image_sphere_texture()
121     pnt.x = hit->x - tex->ctr.x;  in image_plane_texture()
133     u = u * tex->scale.x;  in image_plane_texture()
134     u = u + tex->rot.x;  in image_plane_texture()
164     long x, y, z;  in checker_texture()  local
168     xh = hit->x - tex->ctr.x;  in checker_texture()
169     x = (long)((fabs(xh) * 3) + 0.5);  in checker_texture()
170     x = x % 2;  in checker_texture()
178     if (((x + y + z) % 2) == 1) {  in checker_texture()
193     long x, y;  in cyl_checker_texture()  local
198     rh.x = hit->x - tex->ctr.x;  in cyl_checker_texture()
204     x = (long)(fabs(u) * 18.0);  in cyl_checker_texture()
205     x = x % 2;  in cyl_checker_texture()
209     if (((x + y) % 2) == 1) {  in cyl_checker_texture()
227     flt x, y, z;  in wood_texture()  local
229     x = (hit->x - tex->ctr.x) * 1000;  in wood_texture()
233     radius = sqrt(x * x + z * z);  in wood_texture()
237         angle = atan(x / z);  in wood_texture()
259     byte_t x, y, z, i, j, k;  in InitNoise()  local
261     for (x = 0; x < NMAX; x++) {  in InitNoise()
264                 NoiseMatrix[x][y][z] = rand() % 12000;  in InitNoise()
266                 if (x == NMAX - 1)  in InitNoise()
269                     i = x;  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
297     x = fabs(x);  in Noise()
301     ix = ((int)x) % (NMAX - 1);  in Noise()
305     ox = (x - ((int)x));  in Noise()
338     flt x, y, z;  in marble_texture()  local
341     x = hit->x;  in marble_texture()
345     x = x * 1.0;  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()