/// <summary>
/// Return the world position equivalent to a grid position.
/// </summary>
public Vector2 GetWorldPosition(int x, int y, CellWorldPositionType cellWorldPositionType = CellWorldPositionType.Corner)
{
if (cellWorldPositionType == CellWorldPositionType.Corner)
{
return(new Vector2(x * CellSize, y * CellSize) + OriginPosition.ToVector2());
}
else // CellWorldPositionType.Center
{
float centerBiasX = Width % 2 == 0 ? CellSize / 2 : 0;
float centerBiasY = Height % 2 == 0 ? CellSize / 2 : 0;
Vector2 centerBias = new Vector2(centerBiasX, centerBiasY);
return(new Vector2(x * CellSize, y * CellSize) + OriginPosition.ToVector2() + centerBias);
}
}
/// <summary>
/// Return the equivalent grid position from a world position. (Not necesseraily valid).
/// </summary>
/// <param name="worldPosition"></param>
/// <returns></returns>
public int2 GetGridPosition(Vector2 worldPosition, CellWorldPositionType cellWorldPositionType = CellWorldPositionType.Corner)
{
if (cellWorldPositionType == CellWorldPositionType.Corner)
{
return(new int2(Mathf.RoundToInt((worldPosition.x - OriginPosition[0]) / CellSize), Mathf.RoundToInt((worldPosition.y - OriginPosition[1]) / CellSize)));
}
else // CellWorldPositionType.Center
{
float centerBiasX = Width % 2 == 0 ? CellSize / 2 : 0;
float centerBiasY = Height % 2 == 0 ? CellSize / 2 : 0;
return(new int2(Mathf.RoundToInt((worldPosition.x - OriginPosition[0] - centerBiasX) / CellSize),
Mathf.RoundToInt((worldPosition.y - OriginPosition[1] - centerBiasY) / CellSize)));
}
}
/// <summary>
/// Return the world position equivalent to a grid position.
/// </summary>
public Vector2 GetWorldPosition(int2 gridPosition, CellWorldPositionType cellWorldPositionType = CellWorldPositionType.Corner)
{
return(GetWorldPosition(gridPosition.x, gridPosition.y, cellWorldPositionType));
}
