void CompleteBoxPruningTest::Init()
{
m_firstTime = true;
SRand(0);
mBoxes = new AABB[mNbBoxes];
mBoxPtrs = new const AABB*[mNbBoxes];
mBoxTime = new float[mNbBoxes];
for(udword i=0; i<mNbBoxes; i++)
{
Point Center, Extents;
Center.x = (UnitRandomFloat()-0.5f) * 100.0f;
Center.y = (UnitRandomFloat()-0.5f) * 10.0f;
Center.z = (UnitRandomFloat()-0.5f) * 100.0f;
Extents.x = 2.0f + UnitRandomFloat() * 2.0f;
Extents.y = 2.0f + UnitRandomFloat() * 2.0f;
Extents.z = 2.0f + UnitRandomFloat() * 2.0f;
mBoxes[i].SetCenterExtents(Center, Extents);
mBoxPtrs[i] = &mBoxes[i];
mBoxTime[i] = 2000.0f*UnitRandomFloat();
}
}
void IndexedTriangle::RandomPoint(const Point* verts, Point& random) const
{
if(!verts) return;
// Random barycentric coords
float Alpha = UnitRandomFloat();
float Beta = UnitRandomFloat();
float Gamma = UnitRandomFloat();
float OneOverTotal = 1.0f / (Alpha + Beta + Gamma);
Alpha *= OneOverTotal;
Beta *= OneOverTotal;
Gamma *= OneOverTotal;
const Point& p0 = verts[mVRef[0]];
const Point& p1 = verts[mVRef[1]];
const Point& p2 = verts[mVRef[2]];
random = Alpha*p0 + Beta*p1 + Gamma*p2;
}
