public IEnumerable <PreventRectOrdering> iterPreventRectsOrdering2(System.Drawing.Rectangle rect)
{
foreach (var preventRect in iterPreventRects())
{
double dist = Math.Sqrt(Math.Pow(rect.Y - preventRect.Y, 2) - Math.Pow(rect.X - preventRect.X, 2));
// var a = Point.Subtract(new Point(rect.X, rect.Y), new Point(preventRect.X, preventRect.Y));
var item = new PreventRectOrdering()
{
rect = preventRect,
dist = dist,
};
yield return(item);
}
}
private Pt _calcPreventPt()
{
// Console.WriteLine("{0} _preventCollision", snake);
List <PreventRectOrdering> rectResult = new List <PreventRectOrdering>();
var headPreventCollisionRect = snake.headPreventCollisionRect;
foreach (var preventRect in snake.iterPreventRects())
{
bool isCollision = _gamePlay.scene.hitTestCollision(preventRect, _ignorePreventCollisionIds);
//
if (isCollision == false)
{
double dist = Math.Sqrt(Math.Pow(preventRect.X - headPreventCollisionRect.X, 2) + Math.Pow(preventRect.Y - headPreventCollisionRect.Y, 2));
double weighted = dist;
var item = new PreventRectOrdering()
{
x = preventRect.X,
y = preventRect.Y,
weighted = dist,
};
rectResult.Add(item);
}
}
if (rectResult.Count > 0)
{
// Console.WriteLine("{0} FindPrevent={1}", snake, rectResult.Count);
var rndResult = (from x in rectResult orderby x.weighted descending select x).First();
return(new Pt()
{
x = rndResult.x, y = rndResult.y
});
}
return(null);
}
