| 49 | } |
| 50 | |
| 51 | bool Overlaps(BBox &result, const BBox &b1, const BBox &b2) { |
| 52 | if (!b1.Overlaps(b2)) |
| 53 | return false; |
| 54 | |
| 55 | result.pMin.x = Max(b1.pMin.x, b2.pMin.x); |
| 56 | result.pMin.y = Max(b1.pMin.y, b2.pMin.y); |
| 57 | result.pMin.z = Max(b1.pMin.z, b2.pMin.z); |
| 58 | result.pMax.x = Min(b1.pMax.x, b2.pMax.x); |
| 59 | result.pMax.y = Min(b1.pMax.y, b2.pMax.y); |
| 60 | result.pMax.z = Min(b1.pMax.z, b2.pMax.z); |
| 61 | |
| 62 | return true; |
| 63 | } |
| 64 | |
| 65 | void BBox::BoundingSphere(Point *c, float *rad) const { |
| 66 | *c = .5f * (pMin + pMax); |