例如將 #00FFF4FF 轉(zhuǎn)換成 Color晌块，或者將一個color轉(zhuǎn)換成#00FFF4FF格式
/// <summary>
/// color 轉(zhuǎn)換hex
/// </summary>
/// <param name="color"></param>
/// <returns></returns>
public static string ColorToHex(Color color)
{
int r = Mathf.RoundToInt(color.r * 255.0f);
int g = Mathf.RoundToInt(color.g * 255.0f);
int b = Mathf.RoundToInt(color.b * 255.0f);
int a = Mathf.RoundToInt(color.a * 255.0f);
string hex = string.Format("{0:X2}{1:X2}{2:X2}{3:X2}", r, g, b, a);
return hex;
}
/// <summary>
/// hex轉(zhuǎn)換到color
/// </summary>
/// <param name="hex"></param>
/// <returns></returns>
public Color HexToColor(string hex)
{
byte br = byte.Parse(hex.Substring(0, 2), System.Globalization.NumberStyles.HexNumber);
byte bg = byte.Parse(hex.Substring(2, 2), System.Globalization.NumberStyles.HexNumber);
byte bb = byte.Parse(hex.Substring(4, 2), System.Globalization.NumberStyles.HexNumber);
byte cc = byte.Parse(hex.Substring(6, 2), System.Globalization.NumberStyles.HexNumber);
float r = br / 255f;
float g = bg / 255f;
float b = bb / 255f;
float a = cc / 255f;
return new Color(r, g, b, a);
}
