randomColor function
生成随机颜色 >>>
saturation 饱和度,取值范围0.0-1.0(默认0.5)
value 明度,取值范围0.0-1.0(默认0.5)
@return 返回随机生成的HSV颜色对象
Implementation
Color randomColor({double saturation = 0.5, double value = 0.5}) {
double hue = Random().nextDouble() * 360.0;
return HSVColor.fromAHSV(1, hue, saturation, value).toColor();
}