private KeyValuePair <IFood, IDrawable> FindClosestFood(IDrawable fishDrawable)
{
var minDistance = double.MaxValue;
var fishCenterPoint = fishDrawable.GetCenterPoint();
var result = new KeyValuePair <IFood, IDrawable>();
foreach (var foodPair in foodDictionary)
{
var foodDrawable = foodPair.Value;
var foodCenterPoint = foodDrawable.GetCenterPoint();
var distance = fishCenterPoint.GetVectorToPoint(foodCenterPoint).Length;
if (!(distance < minDistance))
{
continue;
}
minDistance = distance;
result = foodPair;
}
return(result);
}