public void CalculateCollisions()
{
List <Tuple <Tile, Side> > Effects = new List <Tuple <Tile, Side> >();
Tiles tiles = Program.World.Level.Tiles;
collisions[Side.Left].Clear();
collisions[Side.Right].Clear();
collisions[Side.Up].Clear();
collisions[Side.Down].Clear();
int xbound = (int)Math.Floor(Position.X / Tile.Size.X / 2), ybound = (int)Math.Floor(Position.Y / Tile.Size.Y / 2);
for (int y = ybound - 1; y <= ybound + 1; y++)
{
for (int x = xbound - 1; x <= xbound + 1; x++)
{
Tile t = tiles.GetTile(x, y);
if (t != null && CollisionBox.Collide(Box, t.Box) && ((t.Position - Position).Length < (Tile.Size + Size).Length - 1))
{
Side s = Box.Collide(t.Box);
Effects.Add(new Tuple <Tile, Side>(t, s));
if (t.IsMark)
{
continue;
}
collisions[s].Add(t);
}
}
}
foreach (Tile t in tiles.GetMovingTiles())
{
if (CollisionBox.Collide(Box, t.Box) && ((t.Position - Position).Length < (Tile.Size + Size).Length - 1))
{
Side s = Box.Collide(t.Box);
t.Effect(this, s);
if (t.IsMark)
{
continue;
}
collisions[s].Add(t);
}
}
foreach (var a in Effects)
{
a.Item1.Effect(this, a.Item2);
}
}