public void EmptyRegionDoesNotIntersectsWithRectI()
{
var region = new SKRegion();
var rect = new SKRectI(10, 20, 30, 40);
Assert.False(region.Intersects(rect));
}
public void RegionIntersectsWithRectI()
{
using var region = new SKRegion();
region.SetRect(new SKRectI(25, 25, 50, 50));
var rect = new SKRectI(10, 20, 30, 40);
Assert.True(region.Intersects(rect));
}
/// <summary>
/// Checks whether the region intersects the given path.
/// </summary>
/// <param name="region">The region to check collision with.</param>
/// <param name="rect">The rectangle to check for intersection.</param>
internal static bool IntersectsPath(this SKRegion region, SKPath path)
{
if (region.Bounds.IsEmpty)
{
return(false);
}
using SKRegion pathRegion = new SKRegion();
pathRegion.SetPath(path, region);
return(region.Intersects(pathRegion));
}
/// <summary>
/// Checks whether the region intersects the given rectangle.
/// </summary>
/// <param name="region">The region to check collision with.</param>
/// <param name="rect">The rectangle to check for intersection.</param>
internal static bool IntersectsRect(this SKRegion region, SKRect rect)
{
if (region.Bounds.IsEmpty)
{
return(false);
}
using SKRegion rectRegion = new SKRegion();
rectRegion.SetRect(SKRectI.Round(rect));
return(region.Intersects(rectRegion));
}
public void Intersect(Region region)
{
skRegion.Intersects(region.skRegion);
}