MegaMan.LevelEditor.RectangleTool.Draw C# (CSharp) Метод

        private void Draw(ScreenDrawingSurface surface, int tile_x, int tile_y)
        {
            // first track the changes i'm going to make for undo purposes
            foreach (TileBrushCell cell in brush.Cells())
            {
                int tx = cell.x + tile_x;
                int ty = cell.y + tile_y;

                if (tx < 0 || tx >= surface.Screen.Width || ty < 0 || ty >= surface.Screen.Height) continue;

                if (startTiles[tx, ty] == null) // don't overwrite existing data
                {
                    startTiles[tx, ty] = surface.Screen.TileAt(tx, ty).Id;
                }

                endTiles[tx, ty] = cell.tile.Id;
            }

            brush.DrawOn(surface.Screen, tile_x, tile_y);

            surface.ReDrawTiles();
        }