afxAnimCurve.h

Classes:

class
afxAnimCurve::Key
Detailed Description

 1
 2
 3//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
 4// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
 5// Copyright (C) 2015 Faust Logic, Inc.
 6//
 7// Permission is hereby granted, free of charge, to any person obtaining a copy
 8// of this software and associated documentation files (the "Software"), to
 9// deal in the Software without restriction, including without limitation the
10// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
11// sell copies of the Software, and to permit persons to whom the Software is
12// furnished to do so, subject to the following conditions:
13//
14// The above copyright notice and this permission notice shall be included in
15// all copies or substantial portions of the Software.
16//
17// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23// IN THE SOFTWARE.
24//
25//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
26
27#ifndef _AFX_ANIM_CURVE_H_
28#define _AFX_ANIM_CURVE_H_
29
30#include "core/util/tVector.h"
31
32#include "afx/util/afxCurveEval.h"
33
34class afxAnimCurve
35{
36   class Key
37   {
38      public:
39         F32 time;
40         F32 value;
41   };
42
43   private:
44      afxCurveEval* evaluator;
45
46      F32  final_value;
47      F32  start_value;
48      F32  final_time;
49      F32    start_time;
50      bool usable;
51
52      //std::vector<Key> keys;
53      Vector<Key> keys;
54
55      //static bool compare_Key( const Key &a, const Key &b ); 
56      static S32 QSORT_CALLBACK compare_Key( const void* a, const void* b );
57
58   public:
59      afxAnimCurve();
60      ~afxAnimCurve();
61
62      void    addKey( Point2F &v );
63      void    addKey( F32 time, F32 value );
64      void    setKeyTime( int index, F32 t );
65      void    setKeyValue( int index, F32 v );
66      void    sort( );
67      int     numKeys();
68      F32     getKeyTime( int index );
69      F32     getKeyValue( int index );
70      Point2F getSegment( F32 time );
71      F32     evaluate( F32 time );
72
73      void print();
74      void printKey( int index );
75
76   private:
77      Point2F computeTangentK0( Point2F &k0, Point2F &k1, int start_index );
78      Point2F computeTangentK1( Point2F &k0, Point2F &k1, int end_index );
79};
80
81//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
82
83#endif // _AFX_ANIM_CURVE_H_
84