public bool RectTileCollision(AABB rect, Vector2 offset)
{
int CellWidth = 16;
int CellHeight = 16;
rect.X += offset.X;
rect.Y += offset.Y;
// Get rounded tile positions
float minx = (float)Math.Floor(rect.X / CellWidth) - 1;
float miny = (float)Math.Floor(rect.Y / CellHeight) - 1;
float maxx = (float)Math.Ceiling((rect.X + rect.width) / CellWidth) + 1;
float maxy = (float)Math.Ceiling((rect.Y + rect.height) / CellHeight) + 1;
Vector2 min = new Vector2(minx, miny);
Vector2 max = new Vector2(maxx, maxy);
//Set range of tile view
float MinSpaceX = Math.Max(min.X, 0);
float MinSpaceY = Math.Max(min.Y, 0);
float MaxSpaceX = Math.Min(max.X, TileGridArray.GetLength(0) - 1);
float MaxSpaceY = Math.Min(max.Y, TileGridArray.GetLength(1) - 1);
//Loop thorugh tile pos
for (int xx = (int)MinSpaceX; xx <= MaxSpaceX; xx++)
{
for (int yy = (int)MinSpaceY; yy <= MaxSpaceY; yy++)
{
if (TileGridArray[xx, yy] != new Point(0, 0))
{
//Creates a rect representing the tile
AABB TileRect = new AABB(xx * CellWidth, yy * CellHeight, CellWidth, CellHeight);
if (rect.CollidingWith(TileRect))
{
return(true);
}
}
}
}
return(false);
}