// Awake is called before Start()
void Awake()
{
var grid = GetComponent <RectGrid>();
var para = GetComponent <Parallelepiped>();
ForbiddenTiles.Initialize(grid, para);
}
/// <summary>
/// Pick the next goal based on user input. The input if filtered
/// through a number for criteria.
/// </summary>
private void PickNext()
{
Vector3 direction; // Direction to move in (grid-coordinates)
var h = Input.GetAxisRaw("Horizontal");
var v = Input.GetAxisRaw("Vertical");
if (h > 0)
{
direction = Vector3.right;
}
else if (h < 0)
{
direction = Vector3.left;
}
else if (v > 0)
{
direction = Vector3.up;
}
else if (v < 0)
{
direction = Vector3.down;
}
else
{
return;
}
// We will be operating in grid space, so convert the position
_goal = _grid.WorldToGrid(transform.position) + direction;
// Check that the target is still inside the rendered region of the
// grid.
for (var i = 0; i < 2; ++i)
{
var beyondLower = _goal[i] < _renderer.From[i];
var beyondUpper = _goal[i] > _renderer.To[i];
if (beyondLower || beyondUpper)
{
Debug.Log("I can't swim.");
return;
}
}
// Check for walls
if (!ForbiddenTiles.CheckTile(_goal))
{
Debug.Log("Ouch!");
return;
}
_goal = _grid.GridToWorld(_goal);
_isMoving = true;
}
// Start() is called after Awake(), this ensures that the matrix has
// already been built.
void Start()
{
// Set the entry that corresponds to the obstacle's position as
// false.
ForbiddenTiles.SetTile(transform.position, false);
}