| 163 | } |
| 164 | |
| 165 | func (selection GridSelection) ForEachCell(forEach func(c *GridCell) bool) { |
| 166 | |
| 167 | offsetY := len(selection.Grid.Cells) / 2 |
| 168 | offsetX := len(selection.Grid.Cells[0]) / 2 |
| 169 | |
| 170 | for y := selection.Start.Y; y < selection.End.Y; y++ { |
| 171 | for x := selection.Start.X; x < selection.End.X; x++ { |
| 172 | cy := int(y) + offsetY |
| 173 | cx := int(x) + offsetX |
| 174 | |
| 175 | if cy < 0 { |
| 176 | cy = 0 |
| 177 | } |
| 178 | if cy >= len(selection.Grid.Cells) { |
| 179 | cy = len(selection.Grid.Cells) - 1 |
| 180 | } |
| 181 | |
| 182 | if cx < 0 { |
| 183 | cx = 0 |
| 184 | } |
| 185 | if cx >= len(selection.Grid.Cells[0]) { |
| 186 | cx = len(selection.Grid.Cells[0]) - 1 |
| 187 | } |
| 188 | |
| 189 | if !forEach(selection.Grid.Cells[cy][cx]) { |
| 190 | return |
| 191 | } |
| 192 | |
| 193 | } |
| 194 | |
| 195 | } |
| 196 | |
| 197 | } |
| 198 | |
| 199 | func (selection GridSelection) OutsideGrid() bool { |
| 200 | |