79 lines
2.3 KiB
C#
79 lines
2.3 KiB
C#
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namespace PMaker.Extension
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{
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public static class IntExtension
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{
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/// <summary>
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/// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>Χ<EFBFBD><CEA7>
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/// </summary>
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/// <param name="value"></param>
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/// <param name="min"><3E><>Сֵ</param>
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/// <param name="max"><3E><><EFBFBD><EFBFBD>ֵ</param>
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/// <returns></returns>
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public static bool IsClamp(this int value, int min, int max)
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{
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return value <= max & value >= min;
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}
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/// <summary>
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/// ijһ<C4B3><D2BB>Χ<EFBFBD><CEA7>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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/// <param name="value"></param>
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/// <param name="max"></param>
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/// <param name="min"></param>
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public static void CyclicAdd(ref this int value, int max, int min = 0)
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{
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value = (value - min + 1) % max + min;
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}
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/// <summary>
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/// ijһ<C4B3><D2BB>Χ<EFBFBD><CEA7>ѭ<EFBFBD><D1AD><EFBFBD>Լ<EFBFBD>
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/// </summary>
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/// <param name="value"></param>
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/// <param name="max"></param>
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/// <param name="min"></param>
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public static void CyclicSub(ref this int value, int max, int min = 0)
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{
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value = (value - min + max - 1) % max + min;
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}
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//public static int CyclicAdd(this int value, int max, int min = 0)
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//{
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// return (value - min + 1) % max + min;
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//}
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//public static int CyclicSub(this int value, int max, int min = 0)
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//{
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// return (value - min + max - 1) % max + min;
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//}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>bitλΪ1
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/// </summary>
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/// <param name="value"></param>
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/// <param name="index">0base</param>
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public static void BitOn(ref this int value, int index)
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{
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value |= (1 << index);
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>bitλΪ0
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/// </summary>
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/// <param name="value"></param>
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/// <param name="index">0base</param>
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public static void BitOff(ref this int value, int index)
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{
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value &= ~(1 << index);
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}
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/// <summary>
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/// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>ֵ
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/// </summary>
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/// <param name="value"></param>
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/// <param name="target"></param>
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/// <returns></returns>
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public static bool BitIs(this int value, int target)
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{
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return (value & target) == target;
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}
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}
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}
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