private void OnCollisionEnter2D(Collision2D collision)
{
Bubble bubble = collision.gameObject.GetComponent <Bubble>();
bool hitTopWall = collision.gameObject.tag.Equals("TopWall");
if (bubble == null && hitTopWall == false)
{
return;
}
_rigidbody.bodyType = RigidbodyType2D.Static;
if (_hasHitSomething == false)
{
HitSomething.Invoke(this, transform.position);
_hasHitSomething = true;
}
}
private Vector2Int FindPositionOfBubble(Bubble bubble)
{
Vector2Int result = Vector2Int.zero;
for (int rowIndex = 0; rowIndex < _height; rowIndex++)
{
for (int columnIndex = 0; columnIndex < _width; columnIndex++)
{
if (_grid[rowIndex, columnIndex] == bubble)
{
result = new Vector2Int(rowIndex, columnIndex);
}
}
}
return(result);
}
public void ShiftDown(int amount)
{
// Searching from bottom up.
for (int rowIndex = _height - 1; rowIndex >= 0; rowIndex--)
{
for (int columnIndex = 0; columnIndex < _width; columnIndex++)
{
Bubble currentBubble = _grid[rowIndex, columnIndex];
if (currentBubble == null)
{
continue;
}
if (rowIndex == _height - 1)
{
GameManager.Instance.GameState = StateType.GameOver; break;
}
_grid[rowIndex + 1, columnIndex] = currentBubble;
_grid[rowIndex, columnIndex] = null;
currentBubble.transform.position += Vector3.down * amount;
}
}
}
public bool CompareTypes(Bubble other)
{
return(_type == other.Type);
}
public void ListenForCollision(Bubble bubble)
{
bubble.HitSomething.AddListener(AddAndSnap);
}
public void AddToGrid(Vector2Int position, Bubble bubble)
{
_grid[position.x, position.y] = bubble;
}
private List <Bubble> FindNeighbors(Vector2Int location, bool isCheckingColor = true)
{
List <Bubble> results = new List <Bubble>();
Bubble thisBubble = _grid[location.x, location.y];
if (thisBubble == null)
{
return(null);
}
// Check up.
if (location.x > 0)
{
Bubble up = _grid[location.x - 1, location.y];
if (up != null)
{
bool isMatch = thisBubble.CompareTypes(up);
if (isMatch || !isCheckingColor)
{
results.Add(up);
}
}
}
// Check down.
if (location.x < _height - 1)
{
Bubble down = _grid[location.x + 1, location.y];
if (down != null)
{
bool isMatch = thisBubble.CompareTypes(down);
if (isMatch || !isCheckingColor)
{
results.Add(down);
}
}
}
// Check left.
if (location.y > 0)
{
Bubble left = _grid[location.x, location.y - 1];
if (left != null)
{
bool isMatch = thisBubble.CompareTypes(left);
if (isMatch || !isCheckingColor)
{
results.Add(left);
}
}
}
// Check right.
if (location.y < _width - 1)
{
Bubble right = _grid[location.x, location.y + 1];
if (right != null)
{
bool isMatch = thisBubble.CompareTypes(right);
if (isMatch || !isCheckingColor)
{
results.Add(right);
}
}
}
// Check diagonal up right.
if (location.x > 0 && location.y < _width - 1)
{
Bubble upRight = _grid[location.x - 1, location.y + 1];
if (upRight != null)
{
bool isMatch = thisBubble.CompareTypes(upRight);
if (isMatch)
{
results.Add(upRight);
}
}
}
// Check diagonal down right.
if (location.x < _height - 1 && location.y < _width - 1)
{
Bubble downRight = _grid[location.x + 1, location.y + 1];
if (downRight != null)
{
bool isMatch = thisBubble.CompareTypes(downRight);
if (isMatch)
{
results.Add(downRight);
}
}
}
// Check diagonal down left.
if (location.x < _height - 1 && location.y > 0)
{
Bubble downLeft = _grid[location.x + 1, location.y - 1];
if (downLeft != null)
{
bool isMatch = thisBubble.CompareTypes(downLeft);
if (isMatch)
{
results.Add(downLeft);
}
}
}
// Check diagonal up left.
if (location.x > 0 && location.y > 0)
{
Bubble upLeft = _grid[location.x - 1, location.y - 1];
if (upLeft != null)
{
bool isMatch = thisBubble.CompareTypes(upLeft);
if (isMatch)
{
results.Add(upLeft);
}
}
}
return(results);
}
private void AddAndSnap(Bubble bubble, Vector3 positionOnCollision)
{
Vector2Int newPos = new Vector2Int(Mathf.RoundToInt(positionOnCollision.x), Mathf.RoundToInt(positionOnCollision.y));
StartCoroutine(SnapToGrid(bubble.transform, newPos));
}