comparison: src/types/boundingbox.cpp
src/types/boundingbox.cpp
- changeset 22
- 6da867fa5429
- parent 20
- cef43609a374
- child 23
- 3387a84ddaba
equal
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| 21:0133e565e072 | 22:6da867fa5429 |
|---|---|
| 37 /* | 37 /* |
| 38 * Returns the length of the bounding box on the longest measure. | 38 * Returns the length of the bounding box on the longest measure. |
| 39 */ | 39 */ |
| 40 double longestMeasure(const BoundingBox& box) | 40 double longestMeasure(const BoundingBox& box) |
| 41 { | 41 { |
| 42 double dx = box.minimum.x - box.maximum.x; | 42 if (box != emptyBoundingBox) |
| 43 double dy = box.minimum.y - box.maximum.y; | 43 { |
| 44 double dz = box.minimum.z - box.maximum.z; | 44 double dx = box.minimum.x - box.maximum.x; |
| 45 double size = std::max(std::max(dx, dy), dz); | 45 double dy = box.minimum.y - box.maximum.y; |
| 46 return std::max(std::abs(size / 2.0), 1.0); | 46 double dz = box.minimum.z - box.maximum.z; |
| 47 double size = std::max(std::max(dx, dy), dz); | |
| 48 return std::max(std::abs(size / 2.0), 1.0); | |
| 49 } | |
| 50 else | |
| 51 { | |
| 52 return 0.0; | |
| 53 } | |
| 47 } | 54 } |
| 48 | 55 |
| 49 | 56 |
| 50 /* | 57 /* |
| 51 * Yields the center of the bounding box. | 58 * Yields the center of the bounding box. |
| 52 */ | 59 */ |
| 53 Point3D center(const BoundingBox& box) | 60 Point3D boxCenter(const BoundingBox& box) |
| 54 { | 61 { |
| 55 return { | 62 if (box != emptyBoundingBox) |
| 56 (box.minimum.x + box.maximum.x) / 2, | 63 { |
| 57 (box.minimum.y + box.maximum.y) / 2, | 64 return { |
| 58 (box.minimum.z + box.maximum.z) / 2 | 65 (box.minimum.x + box.maximum.x) / 2, |
| 59 }; | 66 (box.minimum.y + box.maximum.y) / 2, |
| 67 (box.minimum.z + box.maximum.z) / 2 | |
| 68 }; | |
| 69 } | |
| 70 else | |
| 71 { | |
| 72 return origin; | |
| 73 } | |
| 60 } | 74 } |
| 61 | 75 |
| 62 /* | 76 /* |
| 63 * Returns the length of the bounding box's space diagonal. | 77 * Returns the length of the bounding box's space diagonal. |
| 64 */ | 78 */ |
| 65 double spaceDiagonal(const BoundingBox& box) | 79 double spaceDiagonal(const BoundingBox& box) |
| 66 { | 80 { |
| 67 return math::distance(box.minimum, box.maximum); | 81 return math::distance(box.minimum, box.maximum); |
| 68 } | 82 } |
| 83 | |
| 84 bool operator==(const BoundingBox &box_1, const BoundingBox &box_2) | |
| 85 { | |
| 86 return box_1.minimum == box_2.minimum and box_1.maximum == box_2.maximum; | |
| 87 } | |
| 88 | |
| 89 bool operator!=(const BoundingBox &box_1, const BoundingBox &box_2) | |
| 90 { | |
| 91 return not (box_1 == box_2); | |
| 92 } |
