Developer Documentation
BezierInterpolationT_impl.hh
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41 
42 
43 
44 #include "AnimationHelper.hh"
45 #include <utility>
46 
47 //-----------------------------------------------------------------------------------------------------
48 
49 template<typename Scalar>
50 std::vector<Scalar> BezierInterpolationT<Scalar>::getValue(Scalar _atX) {
51  float bezierParam = AnimationHelper::approximateCubicBezierParameter<Scalar>(_atX, P0_.first, P1_.first, C0_.first, C1_.first);
52  return AnimationHelper::evaluateBezier<Scalar>(bezierParam, P0_.second, P1_.second, C0_.second, C1_.second);
53 }
54 
55 //-----------------------------------------------------------------------------------------------------
56 
57 template<typename Scalar>
58 Scalar BezierInterpolationT<Scalar>::getMaxInput() {
59  typedef std::vector<Scalar> Scalars;
60 
61  Scalars p0_x; p0_x.push_back(P0_.first);
62  Scalars p1_x; p1_x.push_back(P1_.first);
63  Scalars c0_x; c0_x.push_back(C0_.first);
64  Scalars c1_x; c1_x.push_back(C1_.first);
65 
66  return AnimationHelper::evaluateBezier<Scalar>(1.0f, p0_x, p1_x, c0_x, c1_x)[0];
67 }
68 
69 //-----------------------------------------------------------------------------------------------------
70 
71 template<typename Scalar>
72 Scalar BezierInterpolationT<Scalar>::getMinInput() {
73  typedef std::vector<Scalar> Scalars;
74 
75  Scalars p0_x; p0_x.push_back(P0_.first);
76  Scalars p1_x; p1_x.push_back(P1_.first);
77  Scalars c0_x; c0_x.push_back(C0_.first);
78  Scalars c1_x; c1_x.push_back(C1_.first);
79 
80  return AnimationHelper::evaluateBezier<Scalar>(0.0f, p0_x, p1_x, c0_x, c1_x)[0];
81 }
82 
83 //-----------------------------------------------------------------------------------------------------
84 
85 template<typename Scalar>
86 typename BezierInterpolationT<Scalar>::Point&
87 BezierInterpolationT<Scalar>::P0(){
88  return P0_;
89 }
90 
91 //-----------------------------------------------------------------------------------------------------
92 
93 template<typename Scalar>
94 typename BezierInterpolationT<Scalar>::Point&
95 BezierInterpolationT<Scalar>::C0(){
96  return C0_;
97 }
98 
99 //-----------------------------------------------------------------------------------------------------
100 
101 template<typename Scalar>
102 typename BezierInterpolationT<Scalar>::Point&
103 BezierInterpolationT<Scalar>::C1(){
104  return C1_;
105 }
106 
107 //-----------------------------------------------------------------------------------------------------
108 
109 template<typename Scalar>
110 typename BezierInterpolationT<Scalar>::Point&
111 BezierInterpolationT<Scalar>::P1(){
112  return P1_;
113 }
114 
115 //-----------------------------------------------------------------------------------------------------