October3d55/M/LGUI/Source/LTween/Private/Tweener/LTweenerRotator.h

58 lines
1.5 KiB
C++

// Copyright 2019-Present LexLiu. All Rights Reserved.
#pragma once
#include "LTweener.h"
#include "LTweenerRotator.generated.h"
UCLASS(NotBlueprintType)
class LTWEEN_API ULTweenerRotator :public ULTweener
{
GENERATED_BODY()
public:
float startFloat = 0.0f;//b
float changeFloat = 1.0f;//c
FRotator startValue;
FRotator endValue;
FLTweenRotatorGetterFunction getter;
FLTweenRotatorSetterFunction setter;
FRotator originStartValue;
void SetInitialValue(const FLTweenRotatorGetterFunction& newGetter, const FLTweenRotatorSetterFunction& newSetter, const FRotator& newEndValue, float newDuration)
{
this->duration = newDuration;
this->getter = newGetter;
this->setter = newSetter;
this->endValue = newEndValue;
this->startFloat = 0.0f;
this->changeFloat = 1.0f;
}
protected:
virtual void OnStartGetValue() override
{
if (getter.IsBound())
this->startValue = getter.Execute();
this->originStartValue = this->startValue;
}
virtual void TweenAndApplyValue(float currentTime) override
{
float lerpValue = tweenFunc.Execute(changeFloat, startFloat, currentTime, duration);
FRotator value;
value = startValue + lerpValue * (endValue - startValue);
setter.ExecuteIfBound(value);
}
virtual void SetValueForIncremental() override
{
auto diffValue = endValue - startValue;
startValue = endValue;
endValue += diffValue;
}
virtual void SetOriginValueForRestart() override
{
auto diffValue = endValue - startValue;
startValue = originStartValue;
endValue = originStartValue + diffValue;
}
};