CurveFunctions.h

#pragma once
 
#include <Foundation/Math/Declarations.h>
#include <Foundation/Reflection/Reflection.h>
 
struct plCurveFunction
{
  using StorageType = plUInt8;
 
  enum Enum
  {
    Linear,
 
    ConstantZero,
    ConstantOne,
 
    EaseInSine,
    EaseOutSine,
    EaseInOutSine,
 
    EaseInQuad,
    EaseOutQuad,
    EaseInOutQuad,
 
    EaseInCubic,
    EaseOutCubic,
    EaseInOutCubic,
 
    EaseInQuartic,
    EaseOutQuartic,
    EaseInOutQuartic,
 
    EaseInQuintic,
    EaseOutQuintic,
    EaseInOutQuintic,
 
    EaseInExpo,
    EaseOutExpo,
    EaseInOutExpo,
 
    EaseInCirc,
    EaseOutCirc,
    EaseInOutCirc,
 
    EaseInBack,       
    EaseOutBack,      
    EaseInOutBack,    
 
    EaseInElastic,    
    EaseOutElastic,   
    EaseInOutElastic, 
 
    EaseInBounce,
    EaseOutBounce,
    EaseInOutBounce,
 
    Conical,
    FadeInHoldFadeOut,
    FadeInFadeOut,
    Bell,
 
    ENUM_COUNT, // All easing function types must be stated before this.
 
    Default = Linear
  };
 
  static double GetValue(Enum function, double x);
 
  static double GetValue(Enum function, double x, bool bInverse);
};
 
PL_DECLARE_REFLECTABLE_TYPE(PL_FOUNDATION_DLL, plCurveFunction);
 
namespace plMath
{
  double GetCurveValue_Linear(double t);
  double GetCurveValue_ConstantZero(double t);
  double GetCurveValue_ConstantOne(double t);
  double GetCurveValue_EaseInSine(double t);
  double GetCurveValue_EaseOutSine(double t);
  double GetCurveValue_EaseInOutSine(double t);
  double GetCurveValue_EaseInQuad(double t);
  double GetCurveValue_EaseOutQuad(double t);
  double GetCurveValue_EaseInOutQuad(double t);
  double GetCurveValue_EaseInCubic(double t);
  double GetCurveValue_EaseOutCubic(double t);
  double GetCurveValue_EaseInOutCubic(double t);
  double GetCurveValue_EaseInQuartic(double t);
  double GetCurveValue_EaseOutQuartic(double t);
  double GetCurveValue_EaseInOutQuartic(double t);
  double GetCurveValue_EaseInQuintic(double t);
  double GetCurveValue_EaseOutQuintic(double t);
  double GetCurveValue_EaseInOutQuintic(double t);
  double GetCurveValue_EaseInExpo(double t);
  double GetCurveValue_EaseOutExpo(double t);
  double GetCurveValue_EaseInOutExpo(double t);
  double GetCurveValue_EaseInCirc(double t);
  double GetCurveValue_EaseOutCirc(double t);
  double GetCurveValue_EaseInOutCirc(double t);
  double GetCurveValue_EaseInBack(double t);
  double GetCurveValue_EaseOutBack(double t);
  double GetCurveValue_EaseInOutBack(double t);
  double GetCurveValue_EaseInElastic(double t);
  double GetCurveValue_EaseOutElastic(double t);
  double GetCurveValue_EaseInOutElastic(double t);
  double GetCurveValue_EaseInBounce(double t);
  double GetCurveValue_EaseOutBounce(double t);
  double GetCurveValue_EaseInOutBounce(double t);
  double GetCurveValue_Conical(double t);
  double GetCurveValue_FadeInHoldFadeOut(double t);
  double GetCurveValue_FadeInFadeOut(double t);
  double GetCurveValue_Bell(double t);
 
} // namespace plMath
 
#include <Foundation/Math/Implementation/CurveFunctions_inl.h>