Exemplo n.º 1
0
    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);
        }
    }