| … | |
… | |
| 216 | octant::draw_bbox (view &ctx) |
216 | octant::draw_bbox (view &ctx) |
| 217 | { |
217 | { |
| 218 | sector s = orig - ctx.orig; |
218 | sector s = orig - ctx.orig; |
| 219 | int i; |
219 | int i; |
| 220 | GLint verts[4 * 6] = { |
220 | GLint verts[4 * 6] = { |
| 221 | 0, 2, 3, 1, // -z |
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| 222 | 4, 5, 7, 6, // +z |
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| 223 | 0, 1, 5, 4, // -y |
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| 224 | 7, 3, 2, 6, // +y |
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| 225 | 0, 4, 6, 2, // -x |
221 | 0x00, 0x40, 0x60, 0x20, // -x |
| 226 | 1, 3, 7, 5, // +x |
222 | 0x10, 0x30, 0x70, 0x50, // +x |
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223 | 0x00, 0x10, 0x50, 0x40, // -y |
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224 | 0x70, 0x30, 0x20, 0x60, // +y |
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225 | 0x00, 0x20, 0x30, 0x10, // -z |
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226 | 0x40, 0x50, 0x70, 0x60, // +z |
| 227 | }; |
227 | }; |
| 228 | |
228 | |
| 229 | GLfloat cube[8][3] = |
229 | GLfloat cube[8][3] = |
| 230 | { |
230 | { |
| 231 | { s.x , s.y , s.z }, |
231 | { s.x , s.y , s.z }, |
| 232 | { s.x + (soffs)extent, s.y , s.z }, |
232 | { s.x + (soffs)extent, s.y , s.z }, |
| 233 | { s.x , s.y + (soffs)extent, s.z }, |
233 | { s.x , s.y + (soffs)extent, s.z }, |
| 234 | { s.x + (soffs)extent, s.y + (soffs)extent, s.z }, |
234 | { s.x + (soffs)extent, s.y + (soffs)extent, s.z }, |
| 235 | { s.x , s.y , s.z + (soffs)extent }, |
235 | { s.x , s.y , s.z + (soffs)extent }, |
| 236 | { s.x + (soffs)extent, s.y , s.z + (soffs)extent }, |
236 | { s.x + (soffs)extent, s.y , s.z + (soffs)extent }, |
| 237 | { s.x , s.y + (soffs)extent, s.z + (soffs)extent }, |
237 | { s.x , s.y + (soffs)extent, s.z + (soffs)extent }, |
| 238 | { s.x + (soffs)extent, s.y + (soffs)extent, s.z + (soffs)extent }, |
238 | { s.x + (soffs)extent, s.y + (soffs)extent, s.z + (soffs)extent }, |
| 239 | }; |
239 | }; |
| 240 | |
240 | |
| 241 | glBegin (GL_QUADS); |
241 | glBegin (GL_QUADS); |
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242 | |
| 242 | for (i = 0; i < 4 * 6; i++) { |
243 | for (i = 0; i < 4 * 6; i++) |
| 243 | glVertex3fv (cube [verts [i]]); |
244 | glVertex3fv (cube [verts [i] >> 4]); |
| 244 | } |
245 | |
| 245 | glEnd (); |
246 | glEnd (); |
| 246 | } |
247 | } |
| 247 | |
248 | |
| 248 | |
249 | |
