goat3d
annotate src/aabox.cc @ 82:70b7c41a4f17
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| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 11 May 2014 22:04:54 +0300 |
| parents | 76dea247f75c |
| children |
| rev | line source |
|---|---|
| nuclear@75 | 1 #include <float.h> |
| nuclear@75 | 2 #include <algorithm> |
| nuclear@75 | 3 #include "aabox.h" |
| nuclear@75 | 4 |
| nuclear@75 | 5 using namespace g3dimpl; |
| nuclear@75 | 6 |
| nuclear@75 | 7 AABox::AABox() |
| nuclear@75 | 8 : bmin(FLT_MAX, FLT_MAX, FLT_MAX), bmax(-FLT_MAX, -FLT_MAX, -FLT_MAX) |
| nuclear@75 | 9 { |
| nuclear@75 | 10 } |
| nuclear@75 | 11 |
| nuclear@75 | 12 AABox::AABox(const Vector3 &b0, const Vector3 &b1) |
| nuclear@75 | 13 : bmin(b0), bmax(b1) |
| nuclear@75 | 14 { |
| nuclear@75 | 15 } |
| nuclear@75 | 16 |
| nuclear@82 | 17 bool AABox::operator ==(const AABox &rhs) const |
| nuclear@82 | 18 { |
| nuclear@82 | 19 return bmin == rhs.bmin && bmax == rhs.bmax; |
| nuclear@82 | 20 } |
| nuclear@82 | 21 |
| nuclear@82 | 22 bool AABox::operator !=(const AABox &rhs) const |
| nuclear@82 | 23 { |
| nuclear@82 | 24 return !(*this == rhs); |
| nuclear@82 | 25 } |
| nuclear@82 | 26 |
| nuclear@75 | 27 AABox g3dimpl::aabox_union(const AABox &a, const AABox &b) |
| nuclear@75 | 28 { |
| nuclear@75 | 29 Vector3 bmin, bmax; |
| nuclear@75 | 30 |
| nuclear@75 | 31 for(int i=0; i<3; i++) { |
| nuclear@75 | 32 bmin[i] = std::min(a.bmin[i], b.bmin[i]); |
| nuclear@75 | 33 bmax[i] = std::max(a.bmax[i], b.bmax[i]); |
| nuclear@75 | 34 } |
| nuclear@75 | 35 |
| nuclear@75 | 36 return AABox(bmin, bmax); |
| nuclear@75 | 37 } |