protected override void OnAlphaDataModified(D2dRect rect) { base.OnAlphaDataModified(rect); if (CellSize <= 0) { Mark(); Sweep(); return; } if (destructible.AlphaWidth != expectedWidth || destructible.AlphaHeight != expectedHeight || cells == null || cells.Length != cellWidth * cellHeight || CellSize != expectedCellSize) { Rebuild(); return; } var cellXMin = rect.MinX / CellSize; var cellYMin = rect.MinY / CellSize; var cellXMax = (rect.MaxX + 1) / CellSize; var cellYMax = (rect.MaxY + 1) / CellSize; cellXMin = Mathf.Clamp(cellXMin, 0, cellWidth - 1); cellXMax = Mathf.Clamp(cellXMax, 0, cellWidth - 1); cellYMin = Mathf.Clamp(cellYMin, 0, cellHeight - 1); cellYMax = Mathf.Clamp(cellYMax, 0, cellHeight - 1); for (var cellY = cellYMin; cellY <= cellYMax; cellY++) { var offset = cellY * cellWidth; for (var cellX = cellXMin; cellX <= cellXMax; cellX++) { var index = cellX + offset; var cell = cells[index]; if (cell != null) { cell.Clear(tempColliders); cells[index] = D2dPolygonColliderCell.Add(cell); } RebuildCell(ref cells[index], cellX, cellY); } } Sweep(); }
private void Mark() { tempColliders.Clear(); if (cells != null) { for (var i = cells.Length - 1; i >= 0; i--) { var cell = cells[i]; if (cell != null) { cell.Clear(tempColliders); cells[i] = D2dPolygonColliderCell.Add(cell); } } } }