52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef FX_INTERPVALUE_H
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#define FX_INTERPVALUE_H
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#ifdef _WIN32
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#pragma once
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#endif
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// Types of supported interpolation
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enum InterpType_t
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{
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INTERP_LINEAR = 0,
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INTERP_SPLINE,
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};
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class CInterpolatedValue
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{
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public:
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CInterpolatedValue( void );
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CInterpolatedValue( float startTime, float endTime, float startValue, float endValue, InterpType_t type );
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void SetTime( float start, float end );
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void SetRange( float start, float end );
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void SetType( InterpType_t type );
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// Set the value with no range
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void SetAbsolute( float value );
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// Set the value with range and time supplied
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void Init( float startValue, float endValue, float dt, InterpType_t type = INTERP_LINEAR );
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// Start from the current value and move towards the end value
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void InitFromCurrent( float endValue, float dt, InterpType_t type = INTERP_LINEAR );
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// Find our interpolated value at the given point in time
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float Interp( float curTime );
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private:
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float m_flStartTime;
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float m_flEndTime;
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float m_flStartValue;
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float m_flEndValue;
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int m_nInterpType;
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};
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#endif // FX_INTERPVALUE_H
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