public ImageFragment GetFragment(int x, int y, int z)
{
List <ImageFragment> fragmentosCapaZero = new List <ImageFragment>();
bool acabado = false;
int pos = 0;
Rectangle rectangle;
ImageFragment fragmento = null;
fragments.Ordena();
while (pos < this.fragments.Count && !acabado)
{
if (this.fragments[pos].Location.Z > z)
{
acabado = true;
}
else if (this.fragments[pos].Location.Z == z)
{
fragmentosCapaZero.Add(this.fragments[pos]);
}
pos++;
}
for (int i = 0; i < fragmentosCapaZero.Count && fragmento == null; i++)
{
rectangle = new Rectangle(fragmentosCapaZero[i].Location.X, fragmentosCapaZero[i].Location.Y, fragmentosCapaZero[i].Image.Width, fragmentosCapaZero[i].Image.Height);
if (rectangle.Contains(x, y))
{
fragmento = fragmentosCapaZero[i];
}
}
return(fragmento);
}