/// <summary>
/// Returns the distance from this to the other rect. 0 if there is an overlap.
/// </summary>
/// <param name="Other">Other rectangle.</param>
public double Distance(C2DRect Other)
{
if (this.Overlaps(Other))
{
return(0);
}
if (Other.GetLeft() > this.BottomRight.x)
{
// Other is to the right
if (Other.GetBottom() > this.TopLeft.y)
{
// Other is to the top right
C2DPoint ptTopRight = new C2DPoint(BottomRight.x, TopLeft.y);
return(ptTopRight.Distance(new C2DPoint(Other.GetLeft(), Other.GetBottom())));
}
else if (Other.GetTop() < this.BottomRight.y)
{
// Other to the bottom right
return(BottomRight.Distance(Other.TopLeft));
}
else
{
// to the right
return(Other.GetLeft() - this.BottomRight.x);
}
}
else if (Other.GetRight() < this.TopLeft.x)
{
// Other to the left
if (Other.GetBottom() > this.TopLeft.y)
{
// Other is to the top left
return(TopLeft.Distance(Other.BottomRight));
}
else if (Other.GetTop() < this.BottomRight.y)
{
// Other to the bottom left
C2DPoint ptBottomLeft = new C2DPoint(TopLeft.x, BottomRight.y);
return(ptBottomLeft.Distance(new C2DPoint(Other.GetRight(), Other.GetTop())));
}
else
{
//Just to the left
return(this.TopLeft.x - Other.GetRight());
}
}
else
{
// There is horizontal overlap;
if (Other.GetBottom() > TopLeft.y)
{
return(Other.GetBottom() - TopLeft.y);
}
else
{
return(BottomRight.y - Other.GetTop());
}
}
}
/// <summary>
/// True if the entire other rectangle is within.
/// </summary>
/// <param name="Other">Other rectangle.</param>
public bool Contains(C2DRect Other)
{
return(Other.GetLeft() > TopLeft.x &&
Other.GetRight() < BottomRight.x &&
Other.GetBottom() > BottomRight.y &&
Other.GetTop() < TopLeft.y);
}
/// <summary>
/// True if there is an overlap.
/// </summary>
/// <param name="Other">Other rectangle.</param>
public bool Overlaps(C2DRect Other)
{
bool bOvX = !(Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x);
bool bOvY = !(Other.GetBottom() >= TopLeft.y ||
Other.GetTop() <= BottomRight.y);
return(bOvX && bOvY);
}
/// <summary>
/// True if this is below the other.
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public bool OverlapsBelow(C2DRect Other)
{
if (Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x)
{
return(false);
}
else
{
return(BottomRight.y < Other.GetTop());
}
}
/// <summary>
/// True if this is above the other.
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public bool OverlapsAbove(C2DRect Other)
{
if (Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x)
{
return(false);
}
else
{
return(TopLeft.y > Other.GetBottom());
}
}
/// <summary>
/// True if this is above or below the other
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public bool OverlapsVertically(C2DRect Other)
{
return(!(Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x));
}
/// <summary>
/// True if this is below the other.
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public bool OverlapsBelow( C2DRect Other)
{
if (Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x)
{
return false;
}
else
{
return BottomRight.y < Other.GetTop();
}
}
/// <summary>
/// True if this is above the other.
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public bool OverlapsAbove( C2DRect Other)
{
if (Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x)
{
return false;
}
else
{
return TopLeft.y > Other.GetBottom();
}
}
/// <summary>
/// True if this is above or below the other
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public bool OverlapsVertically( C2DRect Other)
{
return !(Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x);
}
/// <summary>
/// Returns the distance from this to the other rect. 0 if there is an overlap.
/// </summary>
/// <param name="Other">Other rectangle.</param>
public double Distance(C2DRect Other)
{
if (this.Overlaps(Other))
return 0;
if (Other.GetLeft() > this.BottomRight.x)
{
// Other is to the right
if (Other.GetBottom() > this.TopLeft.y)
{
// Other is to the top right
C2DPoint ptTopRight = new C2DPoint(BottomRight.x, TopLeft.y);
return ptTopRight.Distance(new C2DPoint(Other.GetLeft(), Other.GetBottom()));
}
else if (Other.GetTop() < this.BottomRight.y)
{
// Other to the bottom right
return BottomRight.Distance( Other.TopLeft );
}
else
{
// to the right
return Other.GetLeft() - this.BottomRight.x;
}
}
else if ( Other.GetRight() < this.TopLeft.x)
{
// Other to the left
if (Other.GetBottom() > this.TopLeft.y)
{
// Other is to the top left
return TopLeft.Distance(Other.BottomRight);
}
else if (Other.GetTop() < this.BottomRight.y)
{
// Other to the bottom left
C2DPoint ptBottomLeft = new C2DPoint(TopLeft.x, BottomRight.y);
return ptBottomLeft.Distance ( new C2DPoint( Other.GetRight(), Other.GetTop()));
}
else
{
//Just to the left
return (this.TopLeft.x - Other.GetRight());
}
}
else
{
// There is horizontal overlap;
if (Other.GetBottom() > TopLeft.y)
return Other.GetBottom() - TopLeft.y;
else
return BottomRight.y - Other.GetTop();
}
}
/// <summary>
/// True if there is an overlap.
/// </summary>
/// <param name="Other">Other rectangle.</param>
public bool Overlaps(C2DRect Other)
{
bool bOvX = !(Other.GetLeft() >= BottomRight.x ||
Other.GetRight() <= TopLeft.x);
bool bOvY = !(Other.GetBottom() >= TopLeft.y ||
Other.GetTop() <= BottomRight.y);
return bOvX && bOvY;
}
/// <summary>
/// True if the entire other rectangle is within.
/// </summary>
/// <param name="Other">Other rectangle.</param>
public bool Contains(C2DRect Other)
{
return (Other.GetLeft() > TopLeft.x &&
Other.GetRight() < BottomRight.x &&
Other.GetBottom() > BottomRight.y &&
Other.GetTop() < TopLeft.y);
}
