Unity Int32 存储 rgba 信息

/// 

/// byte数组取int值
/// 
/// 4位byte数组
/// int值
public int BytesToInt(byte[] _src)
{
    int _value;
    _value = (int)((_src[0] & 0xFF)
            | ((_src[1] & 0xFF) << 8)
            | ((_src[2] & 0xFF) << 16)
            | ((_src[3] & 0xFF) << 24));
    return _value;
}

/// 

/// 将int数值转换为占四个字节的byte数组
/// 
/// 要转换的int值
/// byte数组
public byte[] IntToBytes(int _value)
{
    byte[] _src = new byte[4];
    _src[0] = (byte)(_value & 0xFF);
    _src[1] = (byte)((_value >> 8) & 0xFF);
    _src[2] = (byte)((_value >> 16) & 0xFF);
    _src[3] = (byte)((_value >> 24) & 0xFF);
    return _src;
}