/// <summary>
/// 获取随机颜色
/// </summary>
/// <param name="saturation">饱和度[0-1]</param>
/// <param name="brightness">亮度[0-1]</param>
/// <returns>颜色</returns>
public Color Next(float saturation, float brightness)
{
if (this.m_Hue == null)
{
Random random = new Random(unchecked ((int)DateTime.Now.Ticks));
this.m_Hue = (float)random.NextDouble();
}
float hue = this.m_Hue.Value;
hue += GOLDEN_RATIO;
hue %= 1;
this.m_Hue = hue;
return(RenderEngine.FromHsv(hue, saturation, brightness));
}