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proper bounds

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This commit is contained in:
Zachary Pavlov 2007-07-10 20:17:59 +00:00
parent 408e2b64e2
commit 2c0ceb6731
1 changed files with 23 additions and 1 deletions
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24
panda/src/collide/collisionFloorMesh.cxx
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@ -102,7 +102,29 @@ output(ostream &out) const {
////////////////////////////////////////////////////////////////////
PT(BoundingVolume) CollisionFloorMesh::
compute_internal_bounds() const {
return new BoundingBox(LPoint3f(0,0,0), LPoint3f(1,1,1));
if (_vertices.empty()) {
return new BoundingBox;
}
pvector<LPoint3f>::const_iterator pi = _vertices.begin();
LPoint3f p = (*pi);
LPoint3f x = p;
LPoint3f n = p;
for (++pi; pi != _vertices.end(); ++pi) {
p = *pi;
n.set(min(n[0], p[0]),
min(n[1], p[1]),
min(n[2], p[2]));
x.set(max(x[0], p[0]),
max(x[1], p[1]),
max(x[2], p[2]));
}
return new BoundingBox(n, x);
}
////////////////////////////////////////////////////////////////////