JNR
laModelHook.h
1 /*
2 
3 Jump'n'Run Engine
4 http://www.atanaslaskov.com/jnr/
5 
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7 Copyright (c) 2007-2013, Atanas Laskov
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28 */
29 
30 #ifndef M_MODEL_HOOK_H
31 #define M_MODEL_HOOK_H
32 
34 
35 
38 public:
39 
40  unsigned arVertexIndex[2]; // 2 vetices to be used for the hook
41 
42  laPoint3 arPointSample[2]; // extracted vertex data
43  laPoint3 vector; // vector defined by the two sampled vertices
44 
45  laPoint3 reference_axis; // custom axis can be specified; Y(0,1,0) by default
46  double angle; // angle (in RADIANS) between the model vector and reference axis;
47 
48 
49  laModelHook(){
50  arVertexIndex[0] = 0;
51  arVertexIndex[1] = 1;
52  reference_axis = laPoint3(0,1,0);
53  }
54 
55  laModelHook(unsigned v1, unsigned v2){
56  arVertexIndex[0] = v1;
57  arVertexIndex[1] = v2;
58  reference_axis = laPoint3(0,1,0);
59  }
60 
61  // Sample positions, vector and angle from the 3D model
62  //
63  void sample(laAnimatedModel* pModel);
64 
65  // Suggest an axis perpendicular to vector and reference_axis;
66  // This can be used e.g. with glRotate( angle, rotationAxis() ).
67  //
68  laPoint3 rotationAxis() { return (-1) * vector.cross(reference_axis); }
69 };
71 #endif
Animated 3D Model.
Attachment of weapon or item.
Definition: laModelHook.h:37