/// <summary>
/// Remplis la grille de nodes.
/// </summary>
/// <param name="gridToPopulate">La grille à remplir</param>
/// <param name="unwalkableMask">Le layer à concidérer comme intraversable par le seeker</param>
public Node[,] PopulateGrid(Grid gridToPopulate, int unwalkableMask)
{
Vector2 worldBottomLeft = new Vector2();
unwalkableMask = 1 << unwalkableMask;
worldBottomLeft.X = gridToPopulate.CurrentPos.X - gridToPopulate.GridWorldSize.X / 2;
worldBottomLeft.Y = gridToPopulate.CurrentPos.Y - gridToPopulate.GridWorldSize.Y / 2;
float nodeDiameter = gridToPopulate.NodeRadius * 2;
Node[,] grid = new Node[gridToPopulate.GridSizeX, gridToPopulate.GridSizeY];
for (int x = 0; x < gridToPopulate.GridSizeX; x++)
{
for (int y = 0; y < gridToPopulate.GridSizeY; y++)
{
Vector2 worldPoint = new Vector2
{
X = worldBottomLeft.X + (x * nodeDiameter + gridToPopulate.NodeRadius),
Y = worldBottomLeft.Y + (y * nodeDiameter + gridToPopulate.NodeRadius)
};
UnityEngine.Vector2 worldPointUnity = new UnityEngine.Vector2(worldPoint.X, worldPoint.Y);
bool walkable = !(Physics2D.OverlapCircle(worldPointUnity, gridToPopulate.NodeRadius, unwalkableMask));
grid[x, y] = new Node(walkable, worldPoint, x, y);
}
}
return(grid);
}
private void OnDrawGizmos()
{
Gizmos.DrawWireCube(transform.position, new UnityEngine.Vector2(_gridWorldSizeX, _gridWorldSizeY));
float _nodeDiameter = nodeRadius * 2;
if (_grid != null)
{
foreach (Node n in _grid.grid)
{
Color color = (n.IsFlyable) ? Color.white : Color.red;
if (_grid.Path != null)
{
if (_grid.Path.Contains(n))
{
color = Color.black;
}
}
color.a = 0.5f;
Gizmos.color = color;
UnityEngine.Vector2 _cubePosition = new UnityEngine.Vector2(n.WorldPosition.X, n.WorldPosition.Y);
Gizmos.DrawCube(_cubePosition, Vector3.one * (_nodeDiameter - .1f));
}
}
}
