/// <summary>
/// Returns the intersection of two Rectangleis.
/// <para>Intersection is a Rectanglei that is only the space
/// that both Rectangleis occupy.</para>
/// </summary>
public static Rectanglei Intersection(Rectanglei a, Rectanglei b)
{
// Modifed From http://kickjava.com/src/java/awt/Rectanglei.java.htm
int tx1 = a.X;
int ty1 = a.Y;
int rx1 = b.X;
int ry1 = b.Y;
int tx2 = a.Right;
int ty2 = a.Bottom;
int rx2 = b.Right;
int ry2 = b.Bottom;
if (tx1 < rx1)
{
tx1 = rx1;
}
if (ty1 < ry1)
{
ty1 = ry1;
}
if (tx2 > rx2)
{
tx2 = rx2;
}
if (ty2 > ry2)
{
ty2 = ry2;
}
tx2 -= tx1;
ty2 -= ty1;
return(new Rectanglei(tx1, ty1, tx2, ty2));
}
/// <summary>
/// Returns whether the given Rectanglei is
/// intersecting with this Rectanglei.
/// </summary>
public bool Intersects(Rectanglei rect)
{
return(rect.Right >= X &&
rect.Bottom >= Y &&
rect.X <= Right &&
rect.Y <= Bottom);
}
/// <summary>
/// Returns the union of two Rectangleis.
/// <para>Union is a Rectanglei that tightly fits both Rectangleis.</para>
/// </summary>
public static Rectanglei Union(Rectanglei a, Rectanglei b)
{
int x1 = Math.Min(a.X, b.Y);
int x2 = Math.Max(a.Right, b.Right);
int y1 = Math.Min(a.Y, b.Y);
int y2 = Math.Max(a.Bottom, b.Bottom);
return(new Rectanglei(x1, y1, x2 - x1, y2 - y1));
}
/// <summary>
/// Returns a scaled version of this Rectanglei
/// </summary>
public Rectanglei GetScaled(int x, int y)
{
Rectanglei rect = this.Clone();
rect.Width *= x;
rect.Height *= y;
return(rect);
}
/// <summary>
/// Returns whether this Rectanglei equals the other object in value.
/// <para>Only true if the object is a RectangleiF or Rectanglei and
/// their values are the same.</para>
/// </summary>
public override bool Equals(object obj)
{
if (obj != null)
{
if (obj is Rectanglei)
{
Rectanglei other = (Rectanglei)obj;
return(X == other.X &&
Y == other.Y &&
Width == other.Width &&
Height == other.Height);
}
else if (obj is Rectanglei)
{
Rectanglei other = (Rectanglei)obj;
return(X == other.X &&
Y == other.Y &&
Width == other.Width &&
Height == other.Height);
}
}
return(false);
}
public static Rectanglei Divide(Rectanglei a, Rectanglei b)
{
return(new Rectanglei(a.X / b.X, a.Y / b.Y, a.Width / b.Width, a.Height / b.Height));
}
public static Rectanglei Subtract(Rectanglei a, Vector2i b)
{
return(new Rectanglei(a.X - b.X, a.Y - b.Y, a.Width, a.Height));
}
public static Rectanglei Add(Rectanglei a, Vector2i b)
{
return(new Rectanglei(a.X + b.X, a.Y + b.Y, a.Width, a.Height));
}
public static Rectanglei Multiply(Rectanglei a, Rectanglei b)
{
return(new Rectanglei(a.X * b.X, a.Y * b.Y, a.Width * b.Width, a.Height * b.Height));
}
public static Rectanglei operator -(Rectanglei a, Vector2i b)
{
return(Rectanglei.Subtract(a, b));
}
public static Rectanglei operator +(Rectanglei a, Vector2i b)
{
return(Rectanglei.Add(a, b));
}
public static Rectanglei operator /(Rectanglei a, Rectanglei b)
{
return(Rectanglei.Divide(a, b));
}
public static Rectanglei operator *(Rectanglei a, Rectanglei b)
{
return(Rectanglei.Multiply(a, b));
}
/// <summary>
/// Returns the intersection of this Rectanglei and another.
/// <para>Intersection is a Rectanglei that is only the space
/// that both Rectangleis occupy.</para>
/// </summary>
public Rectanglei Intersection(Rectanglei other)
{
return(Rectanglei.Intersection(this, other));
}
/// <summary>
/// Returns the union of this Rectanglei and another.
/// <para>Union is a Rectanglei that tightly fits both Rectangleis.</para>
/// </summary>
public Rectanglei Union(Rectanglei other)
{
return(Rectanglei.Union(this, other));
}