Equalizer  1.6.1
cameraAnimation.h
1 
2 /* Copyright (c) 2009, Maxim Makhinya
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28 
29 #ifndef EQ_PLY_CAMERAANIMATION_H
30 #define EQ_PLY_CAMERAANIMATION_H
31 
32 #include "eqPly.h"
33 
34 namespace eqPly
35 {
36 
42  {
43  public:
44  struct Step;
45 
46  CameraAnimation() : _curStep( 0 ), _curFrame( 0 ) {}
47 
48  bool loadAnimation( const std::string& fileName );
49 
50  bool isValid() const { return !_steps.empty(); }
51 
52  Step getNextStep();
53 
54  uint32_t getCurrentFrame() { return _curFrame; }
55 
56  const eq::Vector3f& getModelRotation() const { return _modelRotation;}
57 
58  struct Step
59  {
60  Step()
61  : frame( 0 )
62  , position( eq::Vector3f( .0f, .0f, -1.0f ))
63  , rotation( eq::Vector3f( .0f, .0f, .0f )){}
64 
65  Step( int frame_, const eq::Vector3f& position_,
66  const eq::Vector3f& rotation_ )
67  : frame( frame_ )
68  , position( position_ ),
69  rotation( rotation_ ){}
70 
71  int frame;
72  eq::Vector3f position;
73  eq::Vector3f rotation;
74  };
75 
76  private:
77  eq::Vector3f _modelRotation;
78  std::vector< Step > _steps;
79  uint32_t _curStep;
80  int32_t _curFrame;
81  };
82 
83 }
84 
85 #endif // EQ_PLY_CAMERAANIMATION_H
86 
Loads sequence of camera positions and interpolates them on a per-frame basis.