/// <summary>
/// Returns the area of the intersection of the two specified <see cref="SKRect"/>.
/// </summary>
/// <returns>The area of the intersection.</returns>
/// <param name="rect1">The first <see cref="SKRect"/>.</param>
/// <param name="rect2">The second <see cref="SKRect"/>.</param>
public static float Intersection(SKRect rect1, SKRect rect2)
{
var rect = new SKRect(rect1.Left, rect1.Top, rect1.Right, rect1.Bottom);
rect.Intersect(rect2);
return(rect.GetArea());
}
public void TestGetArea()
{
var result = _rect2.GetArea();
Assert.AreEqual(.2f * 500 * .2f * 600, result, Tolerance);
}
/// <summary>
/// Returns the area of the union of the two specified <see cref="SKRect"/>.
/// </summary>
/// <returns>The area of the union.</returns>
/// <param name="rect1">The first <see cref="SKRect"/>.</param>
/// <param name="rect2">The second <see cref="SKRect"/>.</param>
public static float Union(SKRect rect1, SKRect rect2)
{
return(rect1.GetArea() + rect2.GetArea() - Intersection(rect1, rect2));
}