createResult method Null safety

List<int> createResult(
  1. int colorCount
)

Implementation

List<int> createResult(int colorCount) {
  List<int> colors = <int>[];
  for (int i = 0; i < colorCount; ++i) {
    final cube = cubes[i];
    int weight = volume(cube, weights);
    if (weight > 0) {
      int r = (volume(cube, momentsR) / weight).round();
      int g = (volume(cube, momentsG) / weight).round();
      int b = (volume(cube, momentsB) / weight).round();
      int color = ColorUtils.argbFromRgb(r, g, b);
      colors.add(color);
    }
  }
  return colors;
}