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54 lines
1 KiB
C++
54 lines
1 KiB
C++
#ifndef GAME_EDITOR_SMOOTH_VALUE_H
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#define GAME_EDITOR_SMOOTH_VALUE_H
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#include <base/bezier.h>
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#include "component.h"
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/**
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* A value that is changed smoothly over time.
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*/
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class CSmoothValue : public CEditorComponent
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{
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public:
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CSmoothValue(float InitialValue, float MinValue, float MaxValue);
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/**
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* Set a new target which the value should change to.
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*/
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void SetValue(float Target);
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/**
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* Change the value by the given amount.
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*/
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void ChangeValue(float Amount);
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/**
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* Set the value to the target instantly. If the value was changing the
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* target will be discarded.
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*/
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void SetValueInstant(float Target);
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bool UpdateValue();
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float GetValue() const;
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void SetValueRange(float MinValue, float MaxValue);
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float GetMinValue() const;
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float GetMaxValue() const;
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private:
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float ZoomProgress(float CurrentTime) const;
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bool m_Smoothing;
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float m_Value;
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CCubicBezier m_ValueSmoothing;
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float m_ValueSmoothingTarget;
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float m_ValueSmoothingStart;
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float m_ValueSmoothingEnd;
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float m_MinValue;
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float m_MaxValue;
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};
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#endif
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