/// <summary> Get the unioned region with the specified rectangle. </summary>
public Recti Union(Recti ot)
{
return(MinMaxRecti(
Math.Min(xMin, ot.xMin),
Math.Min(yMin, ot.yMin),
Math.Max(xMax, ot.xMax),
Math.Max(yMax, ot.yMax)));
}
/// <summary>
/// Determines if any one of the edges of the given rectangle overlaps one of the edges.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool OverlapsEdge(Recti other)
{
Segment1i h = new Segment1i(other.left, other.right),
v = new Segment1i(other.bottom, other.top);
return(OverlapsEdge(h, other.bottom, false) ||
OverlapsEdge(v, other.left, true) ||
OverlapsEdge(h, other.top - 1, false) ||
OverlapsEdge(v, other.right - 1, true));
}
public bool Overlaps(Recti r)
{
return(max > r.min && min < r.max);
}
public bool Contains(Recti r)
{
return(min <= r.min && max >= r.max);
}
public Recti(Recti other)
{
_pos = other._pos; _size = other._size;
}
public Vec2i NextVec2i(Recti rect)
{
return(new Vec2i(
rect.left + NextIntRange(rect.width),
rect.bottom + NextIntRange(rect.height)));
}
public Grid(int w, int h)
{
Size = new Vec2i(w, h);
LocalRegion = new Recti(0, 0, w, h);
TotalCells = w * h;
}
