draw a colored cube */
| 178 | |
| 179 | /* draw a colored cube */ |
| 180 | static void |
| 181 | draw_object(void) |
| 182 | { |
| 183 | glPushMatrix(); |
| 184 | glScalef(0.75, 0.75, 0.75); |
| 185 | |
| 186 | glColor3f(1, 0, 0); |
| 187 | |
| 188 | if (Texture) { |
| 189 | glBindTexture(GL_TEXTURE_2D, TexObj); |
| 190 | glEnable(GL_TEXTURE_2D); |
| 191 | } |
| 192 | else { |
| 193 | glDisable(GL_TEXTURE_2D); |
| 194 | } |
| 195 | |
| 196 | glBegin(GL_QUADS); |
| 197 | |
| 198 | /* -X */ |
| 199 | glColor3f(0, 1, 1); |
| 200 | glTexCoord2f(0, 0); glVertex3f(-1, -1, -1); |
| 201 | glTexCoord2f(1, 0); glVertex3f(-1, 1, -1); |
| 202 | glTexCoord2f(1, 1); glVertex3f(-1, 1, 1); |
| 203 | glTexCoord2f(0, 1); glVertex3f(-1, -1, 1); |
| 204 | |
| 205 | /* +X */ |
| 206 | glColor3f(1, 0, 0); |
| 207 | glTexCoord2f(0, 0); glVertex3f(1, -1, -1); |
| 208 | glTexCoord2f(1, 0); glVertex3f(1, 1, -1); |
| 209 | glTexCoord2f(1, 1); glVertex3f(1, 1, 1); |
| 210 | glTexCoord2f(0, 1); glVertex3f(1, -1, 1); |
| 211 | |
| 212 | /* -Y */ |
| 213 | glColor3f(1, 0, 1); |
| 214 | glTexCoord2f(0, 0); glVertex3f(-1, -1, -1); |
| 215 | glTexCoord2f(1, 0); glVertex3f( 1, -1, -1); |
| 216 | glTexCoord2f(1, 1); glVertex3f( 1, -1, 1); |
| 217 | glTexCoord2f(0, 1); glVertex3f(-1, -1, 1); |
| 218 | |
| 219 | /* +Y */ |
| 220 | glColor3f(0, 1, 0); |
| 221 | glTexCoord2f(0, 0); glVertex3f(-1, 1, -1); |
| 222 | glTexCoord2f(1, 0); glVertex3f( 1, 1, -1); |
| 223 | glTexCoord2f(1, 1); glVertex3f( 1, 1, 1); |
| 224 | glTexCoord2f(0, 1); glVertex3f(-1, 1, 1); |
| 225 | |
| 226 | /* -Z */ |
| 227 | glColor3f(1, 1, 0); |
| 228 | glTexCoord2f(0, 0); glVertex3f(-1, -1, -1); |
| 229 | glTexCoord2f(1, 0); glVertex3f( 1, -1, -1); |
| 230 | glTexCoord2f(1, 1); glVertex3f( 1, 1, -1); |
| 231 | glTexCoord2f(0, 1); glVertex3f(-1, 1, -1); |
| 232 | |
| 233 | /* +Y */ |
| 234 | glColor3f(0, 0, 1); |
| 235 | glTexCoord2f(0, 0); glVertex3f(-1, -1, 1); |
| 236 | glTexCoord2f(1, 0); glVertex3f( 1, -1, 1); |
| 237 | glTexCoord2f(1, 1); glVertex3f( 1, 1, 1); |