bbox.cpp@d71faa0a6133 (annotated)
bbox.cpp
Fri, 15 Mar 2013 20:35:47 +0200
- author
- Santeri Piippo <crimsondusk64@gmail.com>
- date
- Fri, 15 Mar 2013 20:35:47 +0200
- changeset 2
- d71faa0a6133
- parent 0
- c51cce84a9ac
- child 3
- 2b78cf8634c3
- permissions
- -rw-r--r--
Recolored ends of the conditional line graphic purple instead of red for better distinguishment
| 0 | 1 | #include "common.h" |
| 2 | #include "bbox.h" | |
| 3 | #include "ldtypes.h" | |
| 4 | ||
| 5 | void bbox::calculate () { | |
| 6 | // The bounding box, bbox for short, is the | |
| 7 | // box that encompasses the model we have open. | |
| 8 | // v0 is the minimum vertex, v1 is the maximum vertex. | |
| 9 | for (uint i = 0; i < g_CurrentFile->objects.size(); i++) { | |
| 10 | LDObject* obj = g_CurrentFile->objects[i]; | |
| 11 | switch (obj->getType ()) { | |
| 12 | ||
| 13 | case OBJ_Line: | |
| 14 | { | |
| 15 | LDLine* line = static_cast<LDLine*> (obj); | |
| 16 | for (short i = 0; i < 2; ++i) | |
| 17 | checkVertex (line->vaCoords[i]); | |
| 18 | } | |
| 19 | break; | |
| 20 | ||
| 21 | case OBJ_Triangle: | |
| 22 | { | |
| 23 | LDTriangle* tri = static_cast<LDTriangle*> (obj); | |
| 24 | for (short i = 0; i < 3; ++i) | |
| 25 | checkVertex (tri->vaCoords[i]); | |
| 26 | } | |
| 27 | break; | |
| 28 | ||
| 29 | case OBJ_Quad: | |
| 30 | { | |
| 31 | LDQuad* quad = static_cast<LDQuad*> (obj); | |
| 32 | for (short i = 0; i < 4; ++i) | |
| 33 | checkVertex (quad->vaCoords[i]); | |
| 34 | } | |
| 35 | break; | |
| 36 | ||
| 37 | case OBJ_CondLine: | |
| 38 | { | |
| 39 | LDCondLine* line = static_cast<LDCondLine*> (obj); | |
| 40 | for (short i = 0; i < 2; ++i) { | |
| 41 | checkVertex (line->vaCoords[i]); | |
| 42 | checkVertex (line->vaControl[i]); | |
| 43 | } | |
| 44 | } | |
| 45 | break; | |
| 46 | ||
| 47 | default: | |
| 48 | break; | |
| 49 | } | |
| 50 | } | |
| 51 | } | |
| 52 | ||
| 53 | #define CHECK_DIMENSION(V,X) \ | |
| 54 | if (V.X < v0.X) v0.X = V.X; \ | |
| 55 | if (V.X > v1.X) v1.X = V.X; | |
| 56 | void bbox::checkVertex (vertex v) { | |
| 57 | CHECK_DIMENSION (v, x) | |
| 58 | CHECK_DIMENSION (v, y) | |
| 59 | CHECK_DIMENSION (v, z) | |
| 60 | } | |
| 61 | #undef CHECK_DIMENSION | |
| 62 | ||
| 63 | bbox::bbox () { | |
| 64 | memset (&v0, 0, sizeof v0); | |
| 65 | memset (&v1, 0, sizeof v1); | |
| 66 | } |
