UIAnimation.hpp

Go to the documentation of this file.

//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/Macros.hpp"
 
#include "CeresEngine/Math/Math.hpp"
 
#include <functional>
 
namespace CeresEngine {
 
    template<typename T> class UIAnimationEasing final {
    public:
        using FunctionRef = T (*)(double, const T&, const T&) noexcept;
 
    private:
        FunctionRef mFunction;
 
    public:
        CE_EXPLICIT(false) constexpr UIAnimationEasing(const FunctionRef function) : mFunction(function) {}
 
    public:
        [[nodiscard]] T operator()(const double t, const T& a, const T& b) const noexcept { return mFunction(t, a, b); }
 
    public:
        static UIAnimationEasing EaseInOut;
 
        static const UIAnimationEasing EaseIn;
 
        static const UIAnimationEasing EaseOut;
 
        static const UIAnimationEasing Linear;
    };
 
    template<typename T>
    inline const UIAnimationEasing<T> UIAnimationEasing<T>::Linear = +[](double t, const T& a, const T& b) noexcept -> T {
        return lerp(t, a, b);
    };
 
    template<typename T> class UIAnimationCurve final {
    public:
        using FunctionRef = T (*)(double, const T&, const T&);
 
    private:
        FunctionRef mFunction;
        double start;
        double end;
 
    public:
        static UIAnimationCurve EaseInOut(T start, T end) { return UIAnimationCurve(); }
 
        static const UIAnimationCurve EaseIn(T start, T end) { return UIAnimationCurve(); }
 
        static const UIAnimationCurve EaseOut(T start, T end) { return UIAnimationCurve(); }
 
        static const UIAnimationCurve Linear(T start, T end) { return UIAnimationCurve(); }
    };
 
    class UIAnimation {};
 
} // namespace CeresEngine