const R3Point R3Box::
ClosestPoint(const R3Point& point) const
{
// Return closest point in box
R3Point closest(point);
if (closest.X() < XMin()) closest[RN_X] = XMin();
else if (closest.X() > XMax()) closest[RN_X] = XMax();
if (closest.Y() < YMin()) closest[RN_Y] = YMin();
else if (closest.Y() > YMax()) closest[RN_Y] = YMax();
if (closest.Z() < ZMin()) closest[RN_Z] = ZMin();
else if (closest.Z() > ZMax()) closest[RN_Z] = ZMax();
return closest;
}
bool Box::Contains( Box const& other ) const
{
return ( XMin() <= other.XMin() &&
XMax() >= other.XMax() &&
YMin() <= other.YMin() &&
YMax() >= other.YMax() );
}
void Box::Merge( Box const& other )
{
if( other.Empty() )
return;
if( Empty() )
{
*this = other;
return;
}
int l = std::min(x, other.x );
int t = std::min(y, other.y );
int r = std::max( XMax(), other.XMax() );
int b = std::max( YMax(), other.YMax() );
x = l;
y = t;
w = (r-l)+1;
h = (b-t)+1;
}
