51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
|
// Copyright 2019-Present LexLiu. All Rights Reserved.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
#include "LTweener.h"
|
||
|
|
#include "LTweenerFloat.generated.h"
|
||
|
|
|
||
|
|
UCLASS(NotBlueprintType)
|
||
|
|
class LTWEEN_API ULTweenerFloat:public ULTweener
|
||
|
|
{
|
||
|
|
GENERATED_BODY()
|
||
|
|
public:
|
||
|
|
float startValue = 0.0f;//b
|
||
|
|
float changeValue = 0.0f;//c
|
||
|
|
float endValue = 0.0f;
|
||
|
|
|
||
|
|
FLTweenFloatGetterFunction getter;
|
||
|
|
FLTweenFloatSetterFunction setter;
|
||
|
|
|
||
|
|
float originStartValue = 0.0f;
|
||
|
|
|
||
|
|
void SetInitialValue(const FLTweenFloatGetterFunction& newGetter, const FLTweenFloatSetterFunction& newSetter, float newEndValue, float newDuration)
|
||
|
|
{
|
||
|
|
this->duration = newDuration;
|
||
|
|
this->endValue = newEndValue;
|
||
|
|
this->getter = newGetter;
|
||
|
|
this->setter = newSetter;
|
||
|
|
}
|
||
|
|
protected:
|
||
|
|
virtual void OnStartGetValue() override
|
||
|
|
{
|
||
|
|
if (getter.IsBound())
|
||
|
|
this->startValue = getter.Execute();
|
||
|
|
this->originStartValue = this->startValue;
|
||
|
|
this->changeValue = endValue - startValue;
|
||
|
|
}
|
||
|
|
virtual void TweenAndApplyValue(float currentTime) override
|
||
|
|
{
|
||
|
|
auto value = tweenFunc.Execute(changeValue, startValue, currentTime, duration);
|
||
|
|
setter.ExecuteIfBound(value);
|
||
|
|
}
|
||
|
|
virtual void SetValueForIncremental() override
|
||
|
|
{
|
||
|
|
startValue = endValue;
|
||
|
|
endValue += changeValue;
|
||
|
|
}
|
||
|
|
virtual void SetOriginValueForRestart() override
|
||
|
|
{
|
||
|
|
startValue = originStartValue;
|
||
|
|
endValue = startValue + changeValue;
|
||
|
|
}
|
||
|
|
};
|