0.9.8
gtx/quaternion.hpp
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1 
14 #pragma once
15 
16 // Dependency:
17 #include "../glm.hpp"
18 #include "../gtc/constants.hpp"
19 #include "../gtc/quaternion.hpp"
20 #include "../gtx/norm.hpp"
21 
22 #if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
23 # pragma message("GLM: GLM_GTX_quaternion extension included")
24 #endif
25 
26 namespace glm
27 {
30 
34  template<typename T, precision P>
35  GLM_FUNC_DECL tvec3<T, P> cross(
36  tquat<T, P> const & q,
37  tvec3<T, P> const & v);
38 
42  template<typename T, precision P>
43  GLM_FUNC_DECL tvec3<T, P> cross(
44  tvec3<T, P> const & v,
45  tquat<T, P> const & q);
46 
51  template<typename T, precision P>
52  GLM_FUNC_DECL tquat<T, P> squad(
53  tquat<T, P> const & q1,
54  tquat<T, P> const & q2,
55  tquat<T, P> const & s1,
56  tquat<T, P> const & s2,
57  T const & h);
58 
62  template<typename T, precision P>
63  GLM_FUNC_DECL tquat<T, P> intermediate(
64  tquat<T, P> const & prev,
65  tquat<T, P> const & curr,
66  tquat<T, P> const & next);
67 
71  template<typename T, precision P>
72  GLM_FUNC_DECL tquat<T, P> exp(
73  tquat<T, P> const & q);
74 
78  template<typename T, precision P>
79  GLM_FUNC_DECL tquat<T, P> log(
80  tquat<T, P> const & q);
81 
85  template<typename T, precision P>
86  GLM_FUNC_DECL tquat<T, P> pow(
87  tquat<T, P> const & x,
88  T const & y);
89 
93  //template<typename T, precision P>
94  //tquat<T, P> sqrt(
95  // tquat<T, P> const & q);
96 
100  template<typename T, precision P>
101  GLM_FUNC_DECL tvec3<T, P> rotate(
102  tquat<T, P> const & q,
103  tvec3<T, P> const & v);
104 
108  template<typename T, precision P>
109  GLM_FUNC_DECL tvec4<T, P> rotate(
110  tquat<T, P> const & q,
111  tvec4<T, P> const & v);
112 
116  template<typename T, precision P>
117  GLM_FUNC_DECL T extractRealComponent(
118  tquat<T, P> const & q);
119 
123  template<typename T, precision P>
124  GLM_FUNC_DECL tmat3x3<T, P> toMat3(
125  tquat<T, P> const & x){return mat3_cast(x);}
126 
130  template<typename T, precision P>
131  GLM_FUNC_DECL tmat4x4<T, P> toMat4(
132  tquat<T, P> const & x){return mat4_cast(x);}
133 
137  template<typename T, precision P>
138  GLM_FUNC_DECL tquat<T, P> toQuat(
139  tmat3x3<T, P> const & x){return quat_cast(x);}
140 
144  template<typename T, precision P>
145  GLM_FUNC_DECL tquat<T, P> toQuat(
146  tmat4x4<T, P> const & x){return quat_cast(x);}
147 
151  template<typename T, precision P>
152  GLM_FUNC_DECL tquat<T, P> shortMix(
153  tquat<T, P> const & x,
154  tquat<T, P> const & y,
155  T const & a);
156 
160  template<typename T, precision P>
161  GLM_FUNC_DECL tquat<T, P> fastMix(
162  tquat<T, P> const & x,
163  tquat<T, P> const & y,
164  T const & a);
165 
171  template<typename T, precision P>
172  GLM_FUNC_DECL tquat<T, P> rotation(
173  tvec3<T, P> const & orig,
174  tvec3<T, P> const & dest);
175 
179  template<typename T, precision P>
180  GLM_FUNC_DECL T length2(tquat<T, P> const & q);
181 
183 }//namespace glm
184 
185 #include "quaternion.inl"
GLM_FUNC_DECL tquat< T, P > pow(tquat< T, P > const &x, T const &y)
Returns x raised to the y power.
GLM_FUNC_DECL T length2(tquat< T, P > const &q)
Returns the squared length of x.
Definition: _noise.hpp:11
GLM_FUNC_DECL tmat4x4< T, P > toMat4(tquat< T, P > const &x)
Converts a quaternion to a 4 * 4 matrix.
GLM_FUNC_DECL tvec3< T, P > cross(tvec3< T, P > const &v, tquat< T, P > const &q)
Compute a cross product between a vector and a quaternion.
GLM_FUNC_DECL tquat< T, P > shortMix(tquat< T, P > const &x, tquat< T, P > const &y, T const &a)
Quaternion interpolation using the rotation short path.
GLM_FUNC_DECL tmat3x3< T, P > toMat3(tquat< T, P > const &x)
Converts a quaternion to a 3 * 3 matrix.
GLM_FUNC_DECL tquat< T, P > rotation(tvec3< T, P > const &orig, tvec3< T, P > const &dest)
Compute the rotation between two vectors.
GLM_FUNC_DECL tmat4x4< T, P > mat4_cast(tquat< T, P > const &x)
Converts a quaternion to a 4 * 4 matrix.
GLM_FUNC_DECL T extractRealComponent(tquat< T, P > const &q)
Extract the real component of a quaternion.
GLM_FUNC_DECL tquat< T, P > intermediate(tquat< T, P > const &prev, tquat< T, P > const &curr, tquat< T, P > const &next)
Returns an intermediate control point for squad interpolation.
GLM_FUNC_DECL tquat< T, P > exp(tquat< T, P > const &q)
Returns a exp of a quaternion.
GLM_FUNC_DECL tvec4< T, P > rotate(tquat< T, P > const &q, tvec4< T, P > const &v)
Rotates a 4 components vector by a quaternion.
GLM_FUNC_DECL tquat< T, P > fastMix(tquat< T, P > const &x, tquat< T, P > const &y, T const &a)
Quaternion normalized linear interpolation.
GLM_FUNC_DECL tquat< T, P > toQuat(tmat4x4< T, P > const &x)
Converts a 4 * 4 matrix to a quaternion.
GLM_FUNC_DECL tquat< T, P > quat_cast(tmat3x3< T, P > const &x)
Converts a 3 * 3 matrix to a quaternion.
GLM_FUNC_DECL tmat3x3< T, P > mat3_cast(tquat< T, P > const &x)
Converts a quaternion to a 3 * 3 matrix.
GLM_FUNC_DECL tquat< T, P > squad(tquat< T, P > const &q1, tquat< T, P > const &q2, tquat< T, P > const &s1, tquat< T, P > const &s2, T const &h)
Compute a point on a path according squad equation.
GLM_FUNC_DECL tquat< T, P > log(tquat< T, P > const &q)
Returns a log of a quaternion.