| 81 | } |
| 82 | |
| 83 | void xBoxInitBoundOBB(xBox* o, const xBox* b, const xMat4x3* m) |
| 84 | { |
| 85 | xVec3 boxcent; |
| 86 | boxcent.x = 0.5f * (b->lower.x + b->upper.x); |
| 87 | boxcent.y = 0.5f * (b->lower.y + b->upper.y); |
| 88 | boxcent.z = 0.5f * (b->lower.z + b->upper.z); |
| 89 | |
| 90 | F32 xmax = xabs(m->right.x * (b->upper.x - boxcent.x)); |
| 91 | F32 ymax = xabs(m->right.y * (b->upper.x - boxcent.x)); |
| 92 | F32 zmax = xabs(m->right.z * (b->upper.x - boxcent.x)); |
| 93 | |
| 94 | xmax += xabs(m->up.x * (b->upper.y - boxcent.y)); |
| 95 | ymax += xabs(m->up.y * (b->upper.y - boxcent.y)); |
| 96 | zmax += xabs(m->up.z * (b->upper.y - boxcent.y)); |
| 97 | |
| 98 | xmax += xabs(m->at.x * (b->upper.z - boxcent.z)); |
| 99 | ymax += xabs(m->at.y * (b->upper.z - boxcent.z)); |
| 100 | zmax += xabs(m->at.z * (b->upper.z - boxcent.z)); |
| 101 | |
| 102 | xMat4x3Toworld(&boxcent, m, &boxcent); |
| 103 | |
| 104 | o->lower.x = boxcent.x - xmax; |
| 105 | o->lower.y = boxcent.y - ymax; |
| 106 | o->lower.z = boxcent.z - zmax; |
| 107 | o->upper.x = boxcent.x + xmax; |
| 108 | o->upper.y = boxcent.y + ymax; |
| 109 | o->upper.z = boxcent.z + zmax; |
| 110 | } |
| 111 | |
| 112 | void xBoxInitBoundCapsule(xBox* b, const xCapsule* c) |
| 113 | { |
no test coverage detected