Create and play with a Quaternion.
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#include <alquaternion.h>
List of all members.
Static Public Member Functions |
static Quaternion | fromAngleAndAxisRotation (const float pAngle, const float pAxisX, const float pAxisY, const float pAxisZ) |
| Create a Quaternion initialized with explicit angle and axis rotation.
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Public Attributes |
float | w |
float | x |
float | y |
float | z |
Detailed Description
Create and play with a Quaternion.
A Quaternion is just defined by w, x, y and z.
Definition at line 23 of file alquaternion.h.
Constructor & Destructor Documentation
AL::Math::Quaternion::Quaternion |
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AL::Math::Quaternion::Quaternion |
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float |
pW, |
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float |
pX, |
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float |
pY, |
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float |
pZ |
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Create a Quaternion initialize with explicit value.
- Parameters:
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pW | the float value for w |
pX | the float value for x |
pY | the float value for y |
pZ | the float value for z |
AL::Math::Quaternion::Quaternion |
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const std::vector< float > & |
pFloats | ) |
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Create a Quaternion with an std::vector.
- Parameters:
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pFloats | An std::vector<float> of size 4 for respectively: w, x, y and z |
Member Function Documentation
static Quaternion AL::Math::Quaternion::fromAngleAndAxisRotation |
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const float |
pAngle, |
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const float |
pAxisX, |
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const float |
pAxisY, |
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const float |
pAxisZ |
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static |
Create a Quaternion initialized with explicit angle and axis rotation.
- Parameters:
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pAngle | the float value for angle in radian around axis rotation |
pAxisX | the float value for x value of axis rotation |
pAxisY | the float value for y value of axis rotation |
pAxisZ | the float value for z value of axis rotation |
Quaternion AL::Math::Quaternion::inverse |
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const |
bool AL::Math::Quaternion::isNear |
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const Quaternion & |
pQua2, |
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const float & |
pEpsilon = 0.0001f |
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Check if the actual Quaternion is near the one give in argument.
- Parameters:
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pQua2 | the second Quaternion |
pEpsilon | an optionnal epsilon distance |
- Returns:
- true if the distance between the two Quaternion is less than pEpsilon Check if |Qua1+Qua2| < epsilon or |Qua1-Qua2| < epsilon
float AL::Math::Quaternion::norm |
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const |
Quaternion AL::Math::Quaternion::normalize |
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const |
Normalize the actual Quaterion.
- Returns:
- the Quaternion normalized
bool AL::Math::Quaternion::operator!= |
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const Quaternion & |
pQua2 | ) |
const |
Overloading of operator != for Quaternion.
- Parameters:
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Overloading of operator * for Quaternion.
- Parameters:
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Overloading of operator *= for Quaternion.
- Parameters:
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Quaternion& AL::Math::Quaternion::operator*= |
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float |
pVal | ) |
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Overloading of operator *= for Quaternion.
- Parameters:
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Quaternion& AL::Math::Quaternion::operator/= |
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float |
pVal | ) |
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Overloading of operator /= for Quaternion.
- Parameters:
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bool AL::Math::Quaternion::operator== |
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const Quaternion & |
pQua2 | ) |
const |
Overloading of operator == for Quaternion.
- Parameters:
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std::vector<float> AL::Math::Quaternion::toVector |
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const |
Return the Quaternion as a vector of float [w, x, y, z].
Member Data Documentation
float AL::Math::Quaternion::w |
float AL::Math::Quaternion::x |
float AL::Math::Quaternion::y |
float AL::Math::Quaternion::z |
The documentation for this struct was generated from the following file: