Skylicht::CVector Class Reference

Common vector and quaternion math helpers. More...

#include <Utils/CVector.h>

Static Public Member Functions
static core::vector3df	lerp (const core::vector3df &a, const core::vector3df &b, float t)
	Linearly interpolate between two vectors.
static core::vector3df	slerp (const core::vector3df &a, const core::vector3df &b, float t)
	Spherically interpolate between two direction vectors.
static core::vector3df	reflect (const core::vector3df &inDirection, const core::vector3df &normal)
	Reflect a direction vector around a normal.
static float	angle (const core::vector3df &a, const core::vector3df &b)
	Calculate the angle between two vectors in radians.
static core::vector3df	project (const core::vector3df &vector, const core::vector3df &onNormal)
	Project a vector onto another vector.
static core::vector3df	projectOnPlane (const core::vector3df &vector, const core::vector3df &planeNormal)
	Project a vector onto a plane.
static bool	isParallel (const core::vector3df &a, const core::vector3df &b)
	Test whether two vectors are parallel or anti-parallel.
static core::vector3df	quaternionToEuler (const core::quaternion &q)
	Convert a quaternion to Euler angles.
static core::quaternion	getQuaternionFromAxes (const core::vector3df &xAxis, const core::vector3df &yAxis, const core::vector3df &zAxis)
	Build a quaternion from three orthogonal basis axes.

Detailed Description

Common vector and quaternion math helpers.

Member Function Documentation

angle()

float Skylicht::CVector::angle ( const core::vector3df & a, const core::vector3df & b )

static

Calculate the angle between two vectors in radians.

Parameters

a	First vector.
b	Second vector.

Returns

Angle in radians, or 0 when either vector is too small.

getQuaternionFromAxes()

core::quaternion Skylicht::CVector::getQuaternionFromAxes ( const core::vector3df & xAxis, const core::vector3df & yAxis, const core::vector3df & zAxis )

static

Build a quaternion from three orthogonal basis axes.

Parameters

xAxis	Local X axis.
yAxis	Local Y axis.
zAxis	Local Z axis.

Returns

Quaternion representing the basis orientation.

isParallel()

bool Skylicht::CVector::isParallel ( const core::vector3df & a, const core::vector3df & b )

static

Test whether two vectors are parallel or anti-parallel.

Parameters

a	First vector.
b	Second vector.

Returns

True when the normalized dot product is approximately +/-1.

lerp()

core::vector3df Skylicht::CVector::lerp ( const core::vector3df & a, const core::vector3df & b, float t )

static

Linearly interpolate between two vectors.

Parameters

a	Start vector.
b	End vector.
t	Interpolation factor clamped to [0, 1].

Returns

Interpolated vector.

project()

core::vector3df Skylicht::CVector::project ( const core::vector3df & vector, const core::vector3df & onNormal )

static

Project a vector onto another vector.

Parameters

vector	Vector to project.
onNormal	Target direction.

Returns

Projection of vector on onNormal, or zero if onNormal is too small.

projectOnPlane()

core::vector3df Skylicht::CVector::projectOnPlane ( const core::vector3df & vector, const core::vector3df & planeNormal )

static

Project a vector onto a plane.

Parameters

vector	Vector to project.
planeNormal	Plane normal.

Returns

Projection of vector onto the plane, or zero if the normal is too small.

quaternionToEuler()

core::vector3df Skylicht::CVector::quaternionToEuler ( const core::quaternion & q )

static

Convert a quaternion to Euler angles.

Parameters

q	Quaternion to convert.

Returns

Euler angles in radians.

reflect()

core::vector3df Skylicht::CVector::reflect ( const core::vector3df & inDirection, const core::vector3df & normal )

static

Reflect a direction vector around a normal.

Parameters

inDirection	Incoming direction.
normal	Surface normal.

Returns

Reflected direction.

slerp()

core::vector3df Skylicht::CVector::slerp ( const core::vector3df & a, const core::vector3df & b, float t )

static

Spherically interpolate between two direction vectors.

Parameters

a	Start direction.
b	End direction.
t	Interpolation factor.

Returns

Spherically interpolated vector.

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The documentation for this class was generated from the following file:

• Utils/CVector.h