public static WPTile CreateTile(Texture2D emptyTexture, Texture2D filledTexture, float posX, float posY, bool collision, float tileSize, WPTile wpTilePrefab, bool filled = false)
{
WPTile wpTile = Instantiate(wpTilePrefab, new Vector3(posX, posY, 0), Quaternion.identity);
wpTile.SetTextures(emptyTexture, filledTexture);
wpTile.SetTileSize(tileSize);
wpTile.SetTexture(filled);
BoxCollider2D c = wpTile.GetComponent <BoxCollider2D>();
if (collision)
{
c.size = new Vector2(tileSize, tileSize);
c.offset = new Vector2(tileSize / 2, tileSize / 2);
}
else
{
Destroy(c);
}
return(wpTile);
}
public void CheckFilledTiles()
{
WPTile previousWpTile = _map[gridSize - 1, 0];
WPTile currentWpTile = _map[gridSize - 1, 1];
for (var y = 1; y < gridSize + 1; y++)
{
for (var x = 0; x < gridSize; x++)
{
var tile = _map[x, y];
if (tile != null)
{
tile.SetTexture(false);
}
}
}
while (currentWpTile != null && currentWpTile.IsFilled(previousWpTile))
{
currentWpTile.SetTexture(true);
Vector2 newCoordinates = currentWpTile.GetNewCoordinates(previousWpTile);
int newX = (int)newCoordinates.x;
int newY = (int)newCoordinates.y;
previousWpTile = currentWpTile;
currentWpTile = newX < gridSize && newX >= 0 ? _map[newX, newY] : null;
if (currentWpTile == _endWpTile)
{
LevelComplete.Invoke();
currentWpTile = null;
}
}
}
public void OnDragTile(Vector2 touch)
{
// allow movement only in available directions
// and limit range of movement
if (_selected == null || Time.timeScale == 0)
{
return;
}
_selected.SetTexture(false);
// if tile is in starting position, detect if mouse movement
// is predominantly horizontal or vertical and lock to that axis
Vector2 gridPosition = _wpMapController.GetGridPosition(_selected.xGrid, _selected.yGrid);
if (_selected.transform.position == new Vector3(gridPosition.x, gridPosition.y, 0))
{
_newMousePos = GetMousePos();
if (_newMousePos != _startMousePos)
{
_moveHorizontal = Mathf.Abs(_newMousePos.x - _startMousePos.x) > Mathf.Abs(_newMousePos.y - _startMousePos.y);
_moveVertical = !_moveHorizontal;
}
}
Vector2 pos = new Vector2(_selected.xGrid, _selected.yGrid);
// based on whether the user is trying to move the tile horizontally
// or vertically, find out if there are any empty spaces in that
// direction, and if so how many (to work out movement limits)
if (_moveHorizontal)
{
_xMove = touch.x - _selected.touchOffset.x;
_left = _selected.xGrid - _wpMapController.GetMoveLimit(pos, WPTile.Direction.Left);
_right = _selected.xGrid + _wpMapController.GetMoveLimit(pos, WPTile.Direction.Right);
_min = _wpMapController.GetGridPosition(_left, _selected.yGrid);
_max = _wpMapController.GetGridPosition(_right, _selected.yGrid);
if (_xMove > _max.x)
{
_xMove = _max.x;
}
if (_xMove < _min.x)
{
_xMove = _min.x;
}
_selected.transform.position = new Vector3(_xMove, _yMove, 0);
}
else if (_moveVertical)
{
_yMove = touch.y - _selected.touchOffset.y;
_up = _selected.yGrid + _wpMapController.GetMoveLimit(pos, WPTile.Direction.Up);
_down = _selected.yGrid - _wpMapController.GetMoveLimit(pos, WPTile.Direction.Down);
_min = _wpMapController.GetGridPosition(_selected.xGrid, _down);
_max = _wpMapController.GetGridPosition(_selected.xGrid, _up);
if (_yMove < _max.y)
{
_yMove = _max.y;
}
if (_yMove > _min.y)
{
_yMove = _min.y;
}
_selected.transform.position = new Vector3(_xMove, _yMove, 0);
}
}