gtx_quaternion Module Reference
Include < glm/gtx/quaternion.hpp > to use the features of this extension.
Extented quaternion types and functions
Public Member Functions
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GLM_FUNC_DECL GLM_CONSTEXPR qua< T, Q >quat_identity ()
Create an identity quaternion.
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GLM_FUNC_DECL vec< 3, T, Q >cross (qua< T, Q > const &q, vec< 3, T, Q > const &v)
Compute a cross product between a quaternion and a vector.
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GLM_FUNC_DECL vec< 3, T, Q >cross (vec< 3, T, Q > const &v, qua< T, Q > const &q)
Compute a cross product between a vector and a quaternion.
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GLM_FUNC_DECL qua< T, Q >squad (qua< T, Q > const &q1, qua< T, Q > const &q2, qua< T, Q > const &s1, qua< T, Q > const &s2, T const &h)
Compute a point on a path according squad equation. q1 and q2 are control points; s1 and s2 are intermediate control points.
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GLM_FUNC_DECL qua< T, Q >intermediate (qua< T, Q > const &prev, qua< T, Q > const &curr, qua< T, Q > const &next)
Returns an intermediate control point for squad interpolation.
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GLM_FUNC_DECL vec< 3, T, Q >rotate (qua< T, Q > const &q, vec< 3, T, Q > const &v)
Returns quarternion square root.
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GLM_GTX_quaternion Rotates a 3 components vector by a quaternion.
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GLM_FUNC_DECL vec< 4, T, Q >rotate (qua< T, Q > const &q, vec< 4, T, Q > const &v)
Rotates a 4 components vector by a quaternion.
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GLM_FUNC_DECL TextractRealComponent (qua< T, Q > const &q)
Extract the real component of a quaternion.
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GLM_FUNC_DECL mat< 3, 3, T, Q >toMat3 (qua< T, Q > const &x)
Converts a quaternion to a 3 * 3 matrix.
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GLM_FUNC_DECL mat< 4, 4, T, Q >toMat4 (qua< T, Q > const &x)
Converts a quaternion to a 4 * 4 matrix.
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GLM_FUNC_DECL qua< T, Q >toQuat (mat< 3, 3, T, Q > const &x)
Converts a 3 * 3 matrix to a quaternion.
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GLM_FUNC_DECL qua< T, Q >toQuat (mat< 4, 4, T, Q > const &x)
Converts a 4 * 4 matrix to a quaternion.
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GLM_FUNC_DECL qua< T, Q >shortMix (qua< T, Q > const &x, qua< T, Q > const &y, T const &a)
Quaternion interpolation using the rotation short path.
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GLM_FUNC_DECL qua< T, Q >fastMix (qua< T, Q > const &x, qua< T, Q > const &y, T const &a)
Quaternion normalized linear interpolation.
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GLM_FUNC_DECL qua< T, Q >rotation (vec< 3, T, Q > const &orig, vec< 3, T, Q > const &dest)
Compute the rotation between two vectors. orig
vector, needs to be normalized
destvector, needs to be normalized
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GLM_FUNC_DECL GLM_CONSTEXPR Tlength2 (qua< T, Q > const &q)
Returns the squared length of x.
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