MathUtil.h

Go to the documentation of this file.

 
/*
     ██╗  ██╗  █████╗  ████████╗  █████╗  ███╗   ██╗  █████╗ 
     ██║ ██╔╝ ██╔══██╗ ╚══██╔══╝ ██╔══██╗ ████╗  ██║ ██╔══██╗
     █████╔╝  ███████║    ██║    ███████║ ██╔██╗ ██║ ███████║
     ██╔═██╗  ██╔══██║    ██║    ██╔══██║ ██║╚██╗██║ ██╔══██║
     ██║  ██╗ ██║  ██║    ██║    ██║  ██║ ██║ ╚████║ ██║  ██║
     ╚═╝  ╚═╝ ╚═╝  ╚═╝/\  ╚═╝    ╚═╝  ╚═╝ ╚═╝  ╚═══╝ ╚═╝  ╚═╝
   /vvvvvvvvvvvvvvvvvvv \=========================================,
   `^^^^^^^^^^^^^^^^^^^ /---------------------------------------"
        Katana Engine \/ © 2012 - Shuriken Studios LLC
                http://www.shurikenstudios.com
*/
 
#pragma once
 
namespace KatanaEngine
{
    class Math
    {
 
    public:
 
        static const float PI;                  
        static const float PI_OVER2;            
        static const float PI_OVER4;            
        static const float INVERSE_PI;          
        static const float NORMALIZE_PI_OVER4;  
        static const float INVERSE_180;         
        static float Lerp(float start, float end, float value);
 
        static int GetRandomInt(const int min = 0, const int max = RAND_MAX);
 
        static float GetRandomFloat() { return ((float)rand() / RAND_MAX); }
 
        static float Min(const float value1, const float value2);
 
        static float Max(const float value1, const float value2);
 
        static float Abs(const float value);
 
        static float ToRadians(const float degrees) { return degrees * PI * INVERSE_180; }
 
        static float ToDegrees(const float radians) { return radians * 180 * INVERSE_PI; }
 
        template <typename T>
        static T Clamp(const T min, const T max, const T value)
        {
            return (value < min) ? min : (value > max) ? max : value;
        }
 
        static float Clamp(const float min, const float max, const float value)
        {
            return Clamp<float>(min, max, value);
        }
 
        template <typename T>
        static bool IsInRange(const T min, const T max, const T value)
        {
            return (value >= min) && (value <= max);
        }
 
        static bool IsInRange(const float min, const float max, const float value)
        {
            return IsInRange<float>(min, max, value);
        }
    };
}