existImageSprite method

DFImageSprite? existImageSprite(
  1. int row,
  2. int column
)

获取存在的精灵

Implementation

DFImageSprite? existImageSprite(int row, int column) {
  for (DFImageSprite sprite in sprites) {
    if (row.toString() + "," + column.toString() == sprite.key) {
      return sprite;
    }
  }
  return null;
}