Beispiel #1
0
    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);
    }