void Update()
{
// Update grid lines and cell size
if (PreviousCellSize != CellSize || PreviousLineColor != LineColor || PreviousLineWidth != LineWidth)
{
RefreshGrid();
}
// Convert mouse position to Grid Coordinates
Vector2 pos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
int x = (int)((pos.x - this.transform.position.x) / (CellSize + LineWidth));
int y = -(int)((pos.y - this.transform.position.y) / (CellSize + LineWidth));
// Check if we are filling or erasing walls
if (Input.GetMouseButtonDown(0))
{
if ((x > 0 && x < Cells.GetLength(0)) && (y > 0 && y < Cells.GetLength(1)))
{
if (Cells [x, y].Type == CellType.Blank)
{
Fill = true;
}
else
{
Fill = false;
}
}
}
// Left click draws/erases walls
if (Input.GetMouseButton(0))
{
if (x != 0 && y != 0 && x != Width - 1 && y != Height - 1)
{
if ((x > 0 && x < Cells.GetLength(0)) && (y > 0 && y < Cells.GetLength(1)))
{
if (Fill)
{
Cells [x, y].SetType(CellType.Solid);
}
else
{
Cells [x, y].SetType(CellType.Blank);
}
}
}
}
// Right click places liquid
if (Input.GetMouseButton(1))
{
if ((x > 0 && x < Cells.GetLength(0)) && (y > 0 && y < Cells.GetLength(1)))
{
Cells [x, y].AddLiquid(5);
}
}
// Run our liquid simulation
LiquidSimulator.Simulate(ref Cells);
}