/// <summary>
/// Transforms global world coordinates to chunk indices relative to grid origin.
/// </summary>
/// <param name="localPos">The position in the world.</param>
/// <returns></returns>
public MapIndices WorldToChunk(GridLocalCoordinates posWorld)
{
var local = posWorld.ConvertToGrid(this);
var x = (int)Math.Floor(local.X / (TileSize * ChunkSize));
var y = (int)Math.Floor(local.Y / (TileSize * ChunkSize));
return(new MapIndices(x, y));
}
public MapIndices SnapGridCellFor(GridLocalCoordinates worldPos, SnapGridOffset offset)
{
var local = worldPos.ConvertToGrid(this);
if (offset == SnapGridOffset.Edge)
{
local = local.Offset(new Vector2(TileSize / 2f, TileSize / 2f));
}
var x = (int)Math.Floor(local.X / TileSize);
var y = (int)Math.Floor(local.Y / TileSize);
return(new MapIndices(x, y));
}
