60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
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using System;
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using UnityEngine;
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namespace XCharts.Runtime
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{
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public static class MathUtil
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{
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public static double Abs(double d)
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{
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return d > 0 ? d : -d;
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}
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public static double Clamp(double d, double min, double max)
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{
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if (d >= min && d <= max) return d;
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else if (d < min) return min;
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else return max;
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}
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public static bool Approximately(double a, double b)
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{
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return Math.Abs(b - a) < Math.Max(0.000001f * Math.Max(Math.Abs(a), Math.Abs(b)), Mathf.Epsilon * 8);
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}
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public static double Clamp01(double value)
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{
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if (value < 0F)
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return 0F;
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else if (value > 1F)
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return 1F;
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else
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return value;
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}
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public static double Lerp(double a, double b, double t)
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{
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return a + (b - a) * Clamp01(t);
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}
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public static bool IsInteger(double value)
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{
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if (value == 0) return true;
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if (value >= -1 && value <= 1) return false;
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return Math.Abs(value % 1) <= (Double.Epsilon * 100);
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}
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public static int GetPrecision(double value)
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{
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if (IsInteger(value)) return 0;
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int count = 1;
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double intvalue = value * Mathf.Pow(10, count);
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while (!IsInteger(intvalue) && count < 38)
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{
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count++;
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intvalue = value * Mathf.Pow(10, count);
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}
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return count;
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}
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}
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}
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