1 //
2 //   Copyright 2013 Pixar
3 //
4 //   Licensed under the Apache License, Version 2.0 (the "Apache License")
5 //   with the following modification; you may not use this file except in
6 //   compliance with the Apache License and the following modification to it:
7 //   Section 6. Trademarks. is deleted and replaced with:
8 //
9 //   6. Trademarks. This License does not grant permission to use the trade
10 //      names, trademarks, service marks, or product names of the Licensor
11 //      and its affiliates, except as required to comply with Section 4(c) of
12 //      the License and to reproduce the content of the NOTICE file.
13 //
14 //   You may obtain a copy of the Apache License at
15 //
16 //       http://www.apache.org/licenses/LICENSE-2.0
17 //
18 //   Unless required by applicable law or agreed to in writing, software
19 //   distributed under the Apache License with the above modification is
20 //   distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 //   KIND, either express or implied. See the Apache License for the specific
22 //   language governing permissions and limitations under the Apache License.
23 //
24 
25 #ifndef OBJ_ANIM_H
26 #define OBJ_ANIM_H
27 
28 #include "../../regression/common/shape_utils.h"
29 
30 #include <vector>
31 
32 class ObjAnim {
33 
34 public:
35 
36     // Factory function
37     static ObjAnim const * Create(std::vector<char const *> objFiles,
38                                   Scheme scheme, bool isLeftHanded=false);
39 
40     // Destructor
41     ~ObjAnim();
42 
43     // Populates 'positions' with the interpolated vertex data for a given
44     // time.
45     void InterpolatePositions(float time, float * positions, int stride) const;
46 
47     // Number of key-frames in the animation
GetNumKeyframes()48     int GetNumKeyframes() const {
49         return (int)_positions.size();
50     }
51 
52     // Returns the full 'Shape'
GetShape()53     Shape const * GetShape() const {
54         return _shape;
55     }
56 
57 
58 private:
59 
60     ObjAnim();
61 
62     Shape const * _shape;
63 
64     std::vector<std::vector<float> > _positions;
65 };
66 
67 #endif // OBJ_ANIM_H
68