float raySect(const Vector3d &p,const Vector3d &dir,Vector3d §) const
{
float plane[4];
plane[0] = mNormal.x;
plane[1] = mNormal.y;
plane[2] = mNormal.z;
plane[3] = mPlaneD;
Vector3d dest = p+dir*100000;
intersect( p.Ptr(), dest.Ptr(), sect.Ptr(), plane );
return sect.Distance(p); // return the intersection distance.
}
bool Concave(const Vector3d &p,float &distance,Vector3d &n) const
{
n.NearestPointInTriangle(p,mP1,mP2,mP3);
distance = p.Distance(n);
return true;
}