snap value by min, max, step

snap_value_with_min_max_step.dart

import 'package:flutter/foundation.dart';

// V0.85, S0.1 -> 0.9
// V0.84, S0.1 -> 0.8
// V0.48, S1.0 -> 0
// V4.80, S5.0 -> 5
// V6.10, S3.0 -> 6
double snapValue(double value, double min, double max, double step) {
  final wideValue = () {
    if (step == 0) return value; // no restricted
    return ((value / step).round() * step);
  }();
  return clampDouble(wideValue, min, max);
}