public void OnSceneGUI_DoPaint() { Event e = Event.current; DrawToolbar(); if (DragAndDrop.objectReferences.Length > 0 || // hide brush when user is dragging a prefab into the scene EditorWindow.mouseOverWindow != SceneView.currentDrawingSceneView || // hide brush when it's not over the scene view (Tools.current != Tool.Rect && Tools.current != Tool.None)) { is_tileSetBrush_visible = false; SceneView.RepaintAll(); return; } int control_id = GUIUtility.GetControlID(FocusType.Passive); HandleUtility.AddDefaultControl(control_id); EventType current_event_type = Event.current.GetTypeForControl(control_id); bool is_skip = false; int save_control = GUIUtility.hotControl; try { if (current_event_type == EventType.Layout) { is_skip = true; } else if (current_event_type == EventType.ScrollWheel) { is_skip = true; } if (tileMap.tileSet == null) { return; } if (!is_skip) { if (e.type == EventType.KeyDown) { switch (e.keyCode) { case TileToolbarConst.Key_FlipH: TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).FlipH(!e.shift); e.Use(); // Use key event break; case TileToolbarConst.Key_FlipV: TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).FlipV(!e.shift); e.Use(); // Use key event break; case TileToolbarConst.Key_Rot90: TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).Rot90(!e.shift); e.Use(); // Use key event break; case TileToolbarConst.Key_Rot90Back: TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap).Rot90Back(!e.shift); e.Use(); // Use key event break; case TileToolbarConst.Key_PencilTool: case TileToolbarConst.Key_LineTool: case TileToolbarConst.Key_RectTool: case TileToolbarConst.Key_EllipseTool: switch (e.keyCode) { case TileToolbarConst.Key_PencilTool: TileSetBrushBehaviour.instance.paint_mode = TileSetBrushPaintMode.Pencil; break; case TileToolbarConst.Key_LineTool: TileSetBrushBehaviour.instance.paint_mode = TileSetBrushPaintMode.Line; break; case TileToolbarConst.Key_RectTool: TileSetBrushBehaviour.instance.paint_mode = TileSetBrushBehaviour.instance.paint_mode == TileSetBrushPaintMode.Rect ? TileSetBrushPaintMode.FilledRect : TileSetBrushPaintMode.Rect;//在filledRect和Rect之间切换 break; case TileToolbarConst.Key_EllipseTool: TileSetBrushBehaviour.instance.paint_mode = TileSetBrushBehaviour.instance.paint_mode == TileSetBrushPaintMode.Ellipse ? TileSetBrushPaintMode.FilledEllipse : TileSetBrushPaintMode.Ellipse;//在FilledEllipse和Ellipse之间切换 break; } tileSetBrush_mode = TileMapEditorBrushMode.Paint; TileToolbar.instance.tileSetBrushToolbar.TriggerButton((int)tileSetBrush_mode); TileToolbar.instance.tileSetBrushPaintToolbar.TriggerButton((int)TileSetBrushBehaviour.instance .paint_mode); e.Use(); break; } } EditorGUIUtility.AddCursorRect(new Rect(0f, 0f, (float)Screen.width, (float)Screen.height), MouseCursor.Arrow); GUIUtility.hotControl = control_id; { Plane tileMapChunk_plane = new Plane(tileMap.transform.forward, tileMap.transform.position); Vector2 mouse_pos = Event.current.mousePosition; mouse_pos.y = Screen.height - mouse_pos.y; Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition); float distance; if (tileMapChunk_plane.Raycast(ray, out distance)) { Rect tile_rect = new Rect(0, 0, tileMap.cell_size.x, tileMap.cell_size.y); tile_rect.position = tileMap.transform.InverseTransformPoint(ray.GetPoint(distance)); Vector2 tile_pos = tile_rect.position; if (tile_pos.x < 0) { tile_pos.x -= tileMap.cell_size.x;//因为负数是从-1开始的,正数是从0开始的 } if (tile_pos.y < 0) { tile_pos.y -= tileMap.cell_size.y; //因为负数是从-1开始的,正数是从0开始的 } tile_pos.x -= tile_pos.x % tileMap.cell_size.x; //取整 tile_pos.y -= tile_pos.y % tileMap.cell_size.y; //取整 tile_rect.position = tile_pos; Vector2 start_pos = new Vector2(Mathf.Min(start_dragging_pos.x, end_dragging_pos.x), Mathf.Min(start_dragging_pos.y, end_dragging_pos.y)); Vector2 end_pos = new Vector2(Mathf.Max(start_dragging_pos.x, end_dragging_pos.x), Mathf.Max(start_dragging_pos.y, end_dragging_pos.y)); Vector2 selection_snapped_pos = TileSetBrushUtil.GetSnappedPosition(start_pos, tileMap.cell_size); Vector2 selection_size = TileSetBrushUtil.GetSnappedPosition(end_pos, tileMap.cell_size) - selection_snapped_pos + tileMap.cell_size; TileSetBrushBehaviour tileSetBrushBehaviour = TileSetBrushBehaviour.instance.GetOrCreateTileSetBrushBehaviour(tileMap); // Update brush transform local_tileSetBrushBehaviour_pos = (Vector2)tileMap.transform.InverseTransformPoint(ray.GetPoint(distance));//设置tileSetBrushBehaviour的position Vector2 tileSetBrushBehaviour_snapped_pos = TileSetBrushUtil.GetSnappedPosition((tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos), tileMap.cell_size); tileSetBrushBehaviour.transform.rotation = tileMap.transform.rotation; tileSetBrushBehaviour.transform.localScale = tileMap.transform.lossyScale; if (!TileSetBrushBehaviour.instance.is_dragging)//不是拖动的时候 { tileSetBrushBehaviour.transform.position = tileMap.transform.TransformPoint(new Vector3(tileSetBrushBehaviour_snapped_pos.x, tileSetBrushBehaviour_snapped_pos.y, -0.01f)); } int pre_mouse_grid_x = mouse_grid_x; int pre_mouse_grid_y = mouse_grid_y; if (e.isMouse) { mouse_grid_x = TileSetBrushUtil.GetGridX(local_tileSetBrushBehaviour_pos, tileMap.cell_size); mouse_grid_y = TileSetBrushUtil.GetGridY(local_tileSetBrushBehaviour_pos, tileMap.cell_size); } bool is_mouse_grid_changed = pre_mouse_grid_x != mouse_grid_x || pre_mouse_grid_y != mouse_grid_y; //Update Fill Preview if (GetTileSetBrushMode() == TileMapEditorBrushMode.Fill && is_mouse_grid_changed) { fill_preview_tile_pos_list.Clear(); TileMapDrawingUtil.FloodFillPreview(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, tileSetBrushBehaviour.tileMap.GetTileData(0, 0), fill_preview_tile_pos_list); } bool is_modifiers_changed = false; if (e.isKey) { EventModifiers filtered_modifiers = e.modifiers & (EventModifiers.Control | EventModifiers.Alt); is_modifiers_changed = filtered_modifiers != m_prevEventModifiers; m_prevEventModifiers = filtered_modifiers; } if ( (EditorWindow.focusedWindow == EditorWindow.mouseOverWindow ) && // fix painting tiles when closing another window popup over the SceneView like GameObject Selection window (e.type == EventType.MouseDown || e.type == EventType.MouseDrag && is_mouse_grid_changed || e.type == EventType.MouseUp || is_modifiers_changed) ) { if (e.button == 0) { if (mouseDoubleClick.IsDoubleClick && tileSetBrushBehaviour.tileMap.GridWidth == 1 && tileSetBrushBehaviour.tileMap.GridHeight == 1) { // Restore previous tiledata modified by Paint, because before the double click, a single click is done before tileMap.SetTileData(tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, flood_fill_restored_tileData); tileSetBrushBehaviour.FloodFill(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos); } // Do a brush paint action else { switch (GetTileSetBrushMode()) { case TileMapEditorBrushMode.Paint: if (e.type == EventType.MouseDown) { flood_fill_restored_tileData = tileMap.GetTileData(mouse_grid_x, mouse_grid_y); } if (e.type == EventType.MouseDown) { tileSetBrushBehaviour.DoPaintPressed(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, e.modifiers); } else if (e.type == EventType.MouseDrag || is_modifiers_changed && TileSetBrushBehaviour.instance.paint_mode != TileSetBrushPaintMode.Pencil) { tileSetBrushBehaviour.DoPaintDragged(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, e.modifiers); } else if (e.type == EventType.MouseUp) { tileSetBrushBehaviour.DoPaintReleased(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos, e.modifiers); } break; case TileMapEditorBrushMode.Erase: tileSetBrushBehaviour.Erase(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos); break; case TileMapEditorBrushMode.Fill: tileSetBrushBehaviour.FloodFill(tileMap, tileSetBrushBehaviour.offset + local_tileSetBrushBehaviour_pos); break; } } } else if (e.button == 1) { if (e.type == EventType.MouseDown) { is_dragging = true; tileSetBrushBehaviour.tileMap.ClearMap(); start_dragging_pos = end_dragging_pos = local_tileSetBrushBehaviour_pos; } else { end_dragging_pos = local_tileSetBrushBehaviour_pos; } } } if (e.type == EventType.MouseUp) { if (e.button == 1) // right mouse button { is_dragging = false; ResetTileSetBrushMode(); // Copy one tile if (selection_size.x <= tileMap.cell_size.x && selection_size.y <= tileMap.cell_size.y) { uint tileData = tileMap.GetTileData(local_tileSetBrushBehaviour_pos); //Select the first tile not null if any and select the tilemap if (e.control && tileMap.parent_tileMapGroup) { for (int i = tileMap.parent_tileMapGroup.tileMap_list.Count - 1; i >= 0; --i) { var tileMap = this.tileMap.parent_tileMapGroup.tileMap_list[i]; tileData = tileMap.GetTileData(local_tileSetBrushBehaviour_pos); if (tileData != TileSetConst.TileData_Empty) { tileMap.parent_tileMapGroup.selected_tileMap = tileMap; if (Selection.activeGameObject == this.tileMap.gameObject) { Selection.activeGameObject = tileMap.gameObject; } break; } } } if (tileData == TileSetConst.TileData_Empty) { tileMap.tileSet.selected_tileId = TileSetConst.TileId_Empty; tileSetBrushBehaviour.tileMap.SetTileData(0, 0, TileSetConst.TileData_Empty); } else { int brushId = TileSetUtil.GetTileSetBrushIdFromTileData(tileData); int tileId = TileSetUtil.GetTileIdFromTileData(tileData); // Select the copied tile in the tileset if (brushId > 0 && !e.alt) //NOTE: if Alt is held, the tile is selected instead { tileMap.tileSet.selected_tileSetBrushId = brushId; } else { tileMap.tileSet.selected_tileId = tileId; tileSetBrushBehaviour.tileMap.SetTileData(0, 0, tileData & ~TileSetConst.TileDataMask_TileSetBrushId); // keep tile flags } } // Cut tile if key shift is pressed if (e.shift) { int startGridX = TileSetBrushUtil.GetGridX(start_pos, tileMap.cell_size); int startGridY = TileSetBrushUtil.GetGridY(start_pos, tileMap.cell_size); tileSetBrushBehaviour.CutRect(tileMap, startGridX, startGridY, startGridX, startGridY); } tileSetBrushBehaviour.tileMap.UpdateMesh(); tileSetBrushBehaviour.offset = Vector2.zero; } // copy a rect of tiles else { int startGridX = TileSetBrushUtil.GetGridX(start_pos, tileMap.cell_size); int startGridY = TileSetBrushUtil.GetGridY(start_pos, tileMap.cell_size); int endGridX = TileSetBrushUtil.GetGridX(end_pos, tileMap.cell_size); int endGridY = TileSetBrushUtil.GetGridY(end_pos, tileMap.cell_size); // Cut tile if key shift is pressed if (e.shift) { tileSetBrushBehaviour.CutRect(tileMap, startGridX, startGridY, endGridX, endGridY); } else { tileSetBrushBehaviour.CopyRect(tileMap, startGridX, startGridY, endGridX, endGridY); } tileSetBrushBehaviour.offset.x = end_dragging_pos.x > start_dragging_pos.x ? -(endGridX - startGridX) * tileMap.cell_size.x : 0f; tileSetBrushBehaviour.offset.y = end_dragging_pos.y > start_dragging_pos.y ? -(endGridY - startGridY) * tileMap.cell_size.y : 0f; } } } if (is_dragging) { Rect rGizmo = new Rect(selection_snapped_pos, selection_size); DrawUtil.HandlesDrawSolidRectangleWithOutline(rGizmo, new Color(), Color.white, tileMap.transform); } else // Draw brush border { Rect rBound = new Rect(tileSetBrushBehaviour.tileMap.tileMapBounds.min, tileSetBrushBehaviour.tileMap.tileMapBounds.size); Color fillColor; switch (GetTileSetBrushMode()) { case TileMapEditorBrushMode.Paint: fillColor = new Color(0, 0, 0, 0); break; case TileMapEditorBrushMode.Erase: fillColor = new Color(1f, 0f, 0f, 0.1f); break; case TileMapEditorBrushMode.Fill: fillColor = new Color(1f, 1f, 0f, 0.2f); break; default: fillColor = new Color(0, 0, 0, 0); break; } DrawUtil.HandlesDrawSolidRectangleWithOutline(rBound, fillColor, new Color(1, 1, 1, 0.2f), tileSetBrushBehaviour.transform); } } } if (current_event_type == EventType.MouseDrag && Event.current.button < 2) // 2 is for central mouse button { // avoid dragging the map Event.current.Use(); } } } catch (Exception exception) { Debug.LogException(exception); } SceneView.RepaintAll(); GUIUtility.hotControl = save_control; }
//https://social.msdn.microsoft.com/Forums/en-US/9d926a16-0051-4ca3-b77c-8095fb489ae2/flood-fill-c?forum=csharplanguage public static void FloodFill(TileMap tilemap, int gridX, int gridY, uint[,] tileData, bool randomize = false) { float timeStamp; timeStamp = Time.realtimeSinceStartup; //float callTimeStamp = timeStamp; int patternW = tileData.GetLength(0); int patternH = tileData.GetLength(1); LinkedList <Point> check = new LinkedList <Point>(); uint floodFrom = tilemap.GetTileData(gridX, gridY); int dataIdx0 = randomize ? Random.Range(0, patternW) : (gridX % patternW + patternW) % patternW; int dataIdx1 = randomize ? Random.Range(0, patternH) : (gridY % patternH + patternH) % patternH; tilemap.SetTileData(gridX, gridY, tileData[dataIdx0, dataIdx1]); bool isBrush = TileSetUtil.GetTileSetBrushIdFromTileData(floodFrom) != 0; //Debug.Log(" Flood Fill Starts +++++++++++++++ "); if ( (patternW > 0 && patternH > 0) && isBrush ? TileSetUtil.GetTileSetBrushIdFromTileData(floodFrom) != TileSetUtil.GetTileSetBrushIdFromTileData(tileData[0, 0]) : floodFrom != tileData[0, 0] ) { check.AddLast(new Point(gridX, gridY)); while (check.Count > 0) { Point cur = check.First.Value; check.RemoveFirst(); foreach (Point off in new Point[] { new Point(0, -1), new Point(0, 1), new Point(-1, 0), new Point(1, 0) }) { Point next = new Point(cur.X + off.X, cur.Y + off.Y); uint nextTileData = tilemap.GetTileData(next.X, next.Y); if ( next.X >= tilemap.min_grid_x && next.X <= tilemap.max_grid_x && next.Y >= tilemap.min_grid_y && next.Y <= tilemap.max_grid_y ) { if ( isBrush ? TileSetUtil.GetTileSetBrushIdFromTileData(floodFrom) == TileSetUtil.GetTileSetBrushIdFromTileData(nextTileData) : floodFrom == nextTileData ) { check.AddLast(next); dataIdx0 = randomize ? Random.Range(0, patternW) : (next.X % patternW + patternW) % patternW; dataIdx1 = randomize ? Random.Range(0, patternH) : (next.Y % patternH + patternH) % patternH; tilemap.SetTileData(next.X, next.Y, tileData[dataIdx0, dataIdx1]); } } } float timePast = Time.realtimeSinceStartup - timeStamp; if (timePast > k_timeToAbortFloodFill) { #if UNITY_EDITOR int result = UnityEditor.EditorUtility.DisplayDialogComplex("FloodFill is taking too much time", "Do you want to continue for another " + k_timeToAbortFloodFill + " seconds?", "Wait", "Cancel", "Wait and Don't ask again"); if (result == 0) { timeStamp = Time.realtimeSinceStartup; } else if (result == 1) { break; } else if (result == 2) { timeStamp = float.MaxValue; } #else check.Clear(); #endif } } } //Debug.Log("FloodFill Time " + (int)((Time.realtimeSinceStartup - callTimeStamp) * 1000) + "ms"); }
public void SetTileData(int local_grid_x, int local_grid_y, uint tileData) { if (local_grid_x >= 0 && local_grid_x < width && local_grid_y >= 0 && local_grid_y < height) { int tile_index = local_grid_y * width + local_grid_x; int tileId = (int)(tileData & TileSetConst.TileDataMask_TileId); Tile tile = tileSet.GetTile(tileId); int prev_tileId = (int)(tileData_list[tile_index] & TileSetConst.TileDataMask_TileId); Tile prev_tile = tileSet.GetTile(prev_tileId); int brushId = TileSetUtil.GetTileSetBrushIdFromTileData(tileData); int prev_brushId = TileSetUtil.GetTileSetBrushIdFromTileData(tileData_list[tile_index]); if (brushId != prev_brushId) { if (!current_updated_tileMapChunk) // avoid this is chunks is being Updated from FillMeshData { // Refresh Neighbors ( and itself if needed ) for (int y_offset = -1; y_offset <= 1; ++y_offset) { for (int x_offset = -1; x_offset <= 1; ++x_offset) { if ((x_offset | y_offset) == 0) { if (brushId > 0) { // Refresh itself tileData = (tileData & ~TileSetConst.TileFlag_Updated); } } else { int grid_x = (local_grid_x + x_offset); int grid_y = (local_grid_y + y_offset); int index = grid_y * width + grid_x; bool is_inside_chunk = (grid_x >= 0 && grid_x < width && grid_y >= 0 && grid_y < height); uint neighbor_tileData = is_inside_chunk ? tileData_list[index] : parent_tileMap.GetTileData(offset_grid_x + local_grid_x + x_offset, offset_grid_y + local_grid_y + y_offset); int neighbor_brushId = (int)((neighbor_tileData & TileSetConst.TileDataMask_TileSetBrushId) >> 16); TileSetBrush neighbor_tileSetBrush = parent_tileMap.tileSet.FindTileSetBrush(neighbor_brushId); //if (brush != null && brush.AutotileWith(brushId, neighborBrushId) || prevBrush != null && prevBrush.AutotileWith(prevBrushId, neighborBrushId)) if (neighbor_tileSetBrush != null && (neighbor_tileSetBrush.AutoTileWith(neighbor_brushId, brushId) || neighbor_tileSetBrush.AutoTileWith(neighbor_brushId, prev_brushId))) { neighbor_tileData = (neighbor_tileData & ~TileSetConst.TileFlag_Updated); // force a refresh if (is_inside_chunk) { tileData_list[index] = neighbor_tileData; } else { parent_tileMap.SetTileData(offset_grid_x + grid_x, offset_grid_y + grid_y, neighbor_tileData); } } } } } } } else if (brushId > 0) { // Refresh itself tileData = (tileData & ~TileSetConst.TileFlag_Updated); } is_need_rebuild_mesh |= (tileData_list[tile_index] != tileData) || (tileData & TileSetConst.TileDataMask_TileId) == TileSetConst.TileId_Empty; is_need_rebuild_colliders |= is_need_rebuild_mesh && ( (prev_brushId > 0) || (brushId > 0) || // there is a brush (a brush could change the collider data later) (tile != null && tile.tileColliderData.type != TileColliderType.None) || (prev_tile != null && prev_tile.tileColliderData.type != TileColliderType.None) // prev. or new tile has colliders ); if (parent_tileMap.tileMapColliderType != TileMapColliderType.None && is_need_rebuild_colliders) { // Refresh Neighbors tilechunk colliders, to make the collider autotiling // Only if neighbor is outside this tilechunk for (int y_offset = -1; y_offset <= 1; ++y_offset) { for (int x_offset = -1; x_offset <= 1; ++x_offset) { if ((x_offset | y_offset) != 0) // skip this tile position xf = yf = 0 { int grid_x = (local_grid_x + x_offset); int grid_y = (local_grid_y + y_offset); bool is_inside_chunk = (grid_x >= 0 && grid_x < width && grid_y >= 0 && grid_y < height); if (!is_inside_chunk) { parent_tileMap.InvalidateChunkAt(offset_grid_x + grid_x, offset_grid_y + grid_y, false, true); } } } } } // Update tile data tileData_list[tile_index] = tileData; if (!TileMap.Is_Disable_Tile_Prefab_Creation) { // Create tile Objects if (tile != null && tile.tilePrefabData.prefab != null) { CreateTileObject(tile_index, tile.tilePrefabData); } else { DestroyTileObject(tile_index); } } TileSetBrush brush = parent_tileMap.tileSet.FindTileSetBrush(brushId); if (brushId != prev_brushId) { TileSetBrush prevBrush = parent_tileMap.tileSet.FindTileSetBrush(prev_brushId); if (prevBrush != null) { prevBrush.OnErase(this, local_grid_x, local_grid_y, tileData, prev_brushId); } } if (brush != null) { tileData = brush.OnPaint(this, local_grid_x, local_grid_y, tileData); } } }
//Note: this is doing the same as FloodFill but not saving data in the tilemap, only saving the filled points and returning a list public static void FloodFillPreview(TileMap tilemap, int gridX, int gridY, uint tileData, List <Vector2> outFilledPoints, uint maxPoints = uint.MaxValue) { if ( gridX >= tilemap.min_grid_x && gridX <= tilemap.max_grid_x && gridY >= tilemap.min_grid_y && gridY <= tilemap.max_grid_y ) { bool[] filledPoints = new bool[tilemap.GridWidth * tilemap.GridHeight]; LinkedList <Point> check = new LinkedList <Point>(); uint floodFrom = tilemap.GetTileData(gridX, gridY); outFilledPoints.Add(Vector2.Scale(new Vector2(gridX, gridY), tilemap.cell_size)); filledPoints[(gridY - tilemap.min_grid_y) * tilemap.GridWidth + gridX - tilemap.min_grid_x] = true; bool isBrush = TileSetUtil.GetTileSetBrushIdFromTileData(floodFrom) != 0; if ( isBrush ? TileSetUtil.GetTileSetBrushIdFromTileData(floodFrom) != TileSetUtil.GetTileSetBrushIdFromTileData(tileData) : floodFrom != tileData ) { check.AddLast(new Point(gridX, gridY)); while (check.Count > 0) { Point cur = check.First.Value; check.RemoveFirst(); foreach (Point off in new Point[] { new Point(0, -1), new Point(0, 1), new Point(-1, 0), new Point(1, 0) }) { Point next = new Point(cur.X + off.X, cur.Y + off.Y); if ( next.X >= tilemap.min_grid_x && next.X <= tilemap.max_grid_x && next.Y >= tilemap.min_grid_y && next.Y <= tilemap.max_grid_y ) { if (filledPoints[(next.Y - tilemap.min_grid_y) * tilemap.GridWidth + next.X - tilemap.min_grid_x]) { continue; // skip already filled points } uint nextTileData = tilemap.GetTileData(next.X, next.Y); if ( isBrush ? TileSetUtil.GetTileSetBrushIdFromTileData(floodFrom) == TileSetUtil.GetTileSetBrushIdFromTileData(nextTileData) : floodFrom == nextTileData ) { check.AddLast(next); filledPoints[(next.Y - tilemap.min_grid_y) * tilemap.GridWidth + next.X - tilemap.min_grid_x] = true; outFilledPoints.Add(Vector2.Scale(new Vector2(next.X, next.Y), tilemap.cell_size)); if (outFilledPoints.Count >= maxPoints) { return; } } } } } } } }