1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef FX_INTERPVALUE_H
#define FX_INTERPVALUE_H
#ifdef _WIN32
#pragma once
#endif
// Types of supported interpolation
enum InterpType_t
{
INTERP_LINEAR = 0,
INTERP_SPLINE,
};
class CInterpolatedValue
{
public:
CInterpolatedValue( void );
CInterpolatedValue( float startTime, float endTime, float startValue, float endValue, InterpType_t type );
void SetTime( float start, float end );
void SetRange( float start, float end );
void SetType( InterpType_t type );
// Set the value with no range
void SetAbsolute( float value );
// Set the value with range and time supplied
void Init( float startValue, float endValue, float dt, InterpType_t type = INTERP_LINEAR );
// Start from the current value and move towards the end value
void InitFromCurrent( float endValue, float dt, InterpType_t type = INTERP_LINEAR );
// Find our interpolated value at the given point in time
float Interp( float curTime );
private:
float m_flStartTime;
float m_flEndTime;
float m_flStartValue;
float m_flEndValue;
int m_nInterpType;
};
#endif // FX_INTERPVALUE_H
|