PxVec4 Class Reference
[Foundation]

4 Element vector class. More...

#include <PxVec4.h>

List of all members.

Public Member Functions
PX_CUDA_CALLABLE PX_INLINE	PxVec4 ()
	default constructor leaves data uninitialized.
PX_CUDA_CALLABLE PX_FORCE_INLINE	PxVec4 (PxZERO r)
	zero constructor.
PX_CUDA_CALLABLE PX_INLINE	PxVec4 (float a)
	Assigns scalar parameter to all elements.
PX_CUDA_CALLABLE PX_INLINE	PxVec4 (float nx, float ny, float nz, float nw)
	Initializes from 3 scalar parameters.
PX_CUDA_CALLABLE PX_INLINE	PxVec4 (const PxVec3 &v, float nw)
	Initializes from 3 scalar parameters.
PX_CUDA_CALLABLE PX_INLINE	PxVec4 (const float v[])
	Initializes from an array of scalar parameters.
PX_CUDA_CALLABLE PX_INLINE	PxVec4 (const PxVec4 &v)
	Copy ctor.
PX_CUDA_CALLABLE PX_INLINE PxVec4 &	operator= (const PxVec4 &p)
	Assignment operator.
PX_DEPRECATED PX_CUDA_CALLABLE PX_INLINE float &	operator[] (unsigned int index)
	element access
PX_DEPRECATED PX_CUDA_CALLABLE PX_INLINE const float &	operator[] (unsigned int index) const
	element access
PX_CUDA_CALLABLE PX_INLINE bool	operator== (const PxVec4 &v) const
	returns true if the two vectors are exactly equal.
PX_CUDA_CALLABLE PX_INLINE bool	operator!= (const PxVec4 &v) const
	returns true if the two vectors are not exactly equal.
PX_CUDA_CALLABLE PX_INLINE bool	isZero () const
	tests for exact zero vector
PX_CUDA_CALLABLE PX_INLINE bool	isFinite () const
	returns true if all 3 elems of the vector are finite (not NAN or INF, etc.)
PX_CUDA_CALLABLE PX_INLINE bool	isNormalized () const
	is normalized - used by API parameter validation
PX_CUDA_CALLABLE PX_INLINE float	magnitudeSquared () const
	returns the squared magnitude
PX_CUDA_CALLABLE PX_INLINE float	magnitude () const
	returns the magnitude
PX_CUDA_CALLABLE PX_INLINE PxVec4	operator- () const
	negation
PX_CUDA_CALLABLE PX_INLINE PxVec4	operator+ (const PxVec4 &v) const
	vector addition
PX_CUDA_CALLABLE PX_INLINE PxVec4	operator- (const PxVec4 &v) const
	vector difference
PX_CUDA_CALLABLE PX_INLINE PxVec4	operator* (float f) const
	scalar post-multiplication
PX_CUDA_CALLABLE PX_INLINE PxVec4	operator/ (float f) const
	scalar division
PX_CUDA_CALLABLE PX_INLINE PxVec4 &	operator+= (const PxVec4 &v)
	vector addition
PX_CUDA_CALLABLE PX_INLINE PxVec4 &	operator-= (const PxVec4 &v)
	vector difference
PX_CUDA_CALLABLE PX_INLINE PxVec4 &	operator*= (float f)
	scalar multiplication
PX_CUDA_CALLABLE PX_INLINE PxVec4 &	operator/= (float f)
	scalar division
PX_CUDA_CALLABLE PX_INLINE float	dot (const PxVec4 &v) const
	returns the scalar product of this and other.
PX_CUDA_CALLABLE PX_INLINE PxVec4	getNormalized () const
PX_CUDA_CALLABLE PX_INLINE float	normalize ()
	normalizes the vector in place
PX_CUDA_CALLABLE PX_INLINE PxVec4	multiply (const PxVec4 &a) const
	a[i] * b[i], for all i.
PX_CUDA_CALLABLE PX_INLINE PxVec4	minimum (const PxVec4 &v) const
	element-wise minimum
PX_CUDA_CALLABLE PX_INLINE PxVec4	maximum (const PxVec4 &v) const
	element-wise maximum
PX_CUDA_CALLABLE PX_INLINE PxVec3	getXYZ () const
PX_CUDA_CALLABLE PX_INLINE void	setZero ()
	set vector elements to zero
Public Attributes
float	x
float	y
float	z
float	w

---

Detailed Description

4 Element vector class.

This is a 4-dimensional vector class with public data members.

---

Constructor & Destructor Documentation

PX_CUDA_CALLABLE PX_INLINE PxVec4::PxVec4

(

)

[inline]

default constructor leaves data uninitialized.

PX_CUDA_CALLABLE PX_FORCE_INLINE PxVec4::PxVec4

(

PxZERO

r

)

[inline]

zero constructor.

References PX_UNUSED().

PX_CUDA_CALLABLE PX_INLINE PxVec4::PxVec4

(

float

a

)

[inline, explicit]

Assigns scalar parameter to all elements.

Useful to initialize to zero or one.

Parameters:

[in]

a

Value to assign to elements.

PX_CUDA_CALLABLE PX_INLINE PxVec4::PxVec4	(	float	nx,
		float	ny,
		float	nz,
		float	nw
	)			[inline]

Initializes from 3 scalar parameters.

Parameters:

[in]	nx	Value to initialize X component.
[in]	ny	Value to initialize Y component.
[in]	nz	Value to initialize Z component.
[in]	nw	Value to initialize W component.

PX_CUDA_CALLABLE PX_INLINE PxVec4::PxVec4	(	const PxVec3 &	v,
		float	nw
	)			[inline]

Initializes from 3 scalar parameters.

Parameters:

[in]	v	Value to initialize the X, Y, and Z components.
[in]	nw	Value to initialize W component.

PX_CUDA_CALLABLE PX_INLINE PxVec4::PxVec4

(

const float

v[]

)

[inline, explicit]

Initializes from an array of scalar parameters.

Parameters:

[in]

v

Value to initialize with.

PX_CUDA_CALLABLE PX_INLINE PxVec4::PxVec4

(

const PxVec4 &

v

)

[inline]

Copy ctor.

---

Member Function Documentation

PX_CUDA_CALLABLE PX_INLINE float PxVec4::dot

(

const PxVec4 &

v

)

const [inline]

returns the scalar product of this and other.

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::getNormalized

(

)

const [inline]

return a unit vector

References PxRecipSqrt().

PX_CUDA_CALLABLE PX_INLINE PxVec3 PxVec4::getXYZ

(

)

const [inline]

PX_CUDA_CALLABLE PX_INLINE bool PxVec4::isFinite

(

)

const [inline]

returns true if all 3 elems of the vector are finite (not NAN or INF, etc.)

References PxIsFinite().

PX_CUDA_CALLABLE PX_INLINE bool PxVec4::isNormalized

(

)

const [inline]

is normalized - used by API parameter validation

References PxAbs().

PX_CUDA_CALLABLE PX_INLINE bool PxVec4::isZero

(

)

const [inline]

tests for exact zero vector

PX_CUDA_CALLABLE PX_INLINE float PxVec4::magnitude

(

)

const [inline]

returns the magnitude

References PxSqrt().

PX_CUDA_CALLABLE PX_INLINE float PxVec4::magnitudeSquared

(

)

const [inline]

returns the squared magnitude

Avoids calling PxSqrt()!

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::maximum

(

const PxVec4 &

v

)

const [inline]

element-wise maximum

References PxMax(), w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::minimum

(

const PxVec4 &

v

)

const [inline]

element-wise minimum

References PxMin(), w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::multiply

(

const PxVec4 &

a

)

const [inline]

a[i] * b[i], for all i.

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE float PxVec4::normalize

(

)

[inline]

normalizes the vector in place

PX_CUDA_CALLABLE PX_INLINE bool PxVec4::operator!=

(

const PxVec4 &

v

)

const [inline]

returns true if the two vectors are not exactly equal.

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::operator*

(

float

f

)

const [inline]

scalar post-multiplication

PX_CUDA_CALLABLE PX_INLINE PxVec4& PxVec4::operator*=

(

float

f

)

[inline]

scalar multiplication

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::operator+

(

const PxVec4 &

v

)

const [inline]

vector addition

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4& PxVec4::operator+=

(

const PxVec4 &

v

)

[inline]

vector addition

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::operator-

(

const PxVec4 &

v

)

const [inline]

vector difference

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::operator-

(

)

const [inline]

negation

PX_CUDA_CALLABLE PX_INLINE PxVec4& PxVec4::operator-=

(

const PxVec4 &

v

)

[inline]

vector difference

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE PxVec4 PxVec4::operator/

(

float

f

)

const [inline]

scalar division

PX_CUDA_CALLABLE PX_INLINE PxVec4& PxVec4::operator/=

(

float

f

)

[inline]

scalar division

PX_CUDA_CALLABLE PX_INLINE PxVec4& PxVec4::operator=

(

const PxVec4 &

p

)

[inline]

Assignment operator.

References w, x, y, and z.

PX_CUDA_CALLABLE PX_INLINE bool PxVec4::operator==

(

const PxVec4 &

v

)

const [inline]

returns true if the two vectors are exactly equal.

References w, x, y, and z.

PX_DEPRECATED PX_CUDA_CALLABLE PX_INLINE const float& PxVec4::operator[]

(

unsigned int

index

)

const [inline]

element access

References PX_ASSERT.

PX_DEPRECATED PX_CUDA_CALLABLE PX_INLINE float& PxVec4::operator[]

(

unsigned int

index

)

[inline]

element access

References PX_ASSERT.

PX_CUDA_CALLABLE PX_INLINE void PxVec4::setZero

(

)

[inline]

set vector elements to zero

---

Member Data Documentation

float PxVec4::w

Referenced by dot(), maximum(), minimum(), multiply(), operator!=(), operator*(), operator+(), operator+=(), operator-(), operator-=(), operator=(), operator==(), PxMat44::scale(), and PxMat44::transform().

float PxVec4::x

Referenced by dot(), maximum(), minimum(), multiply(), operator!=(), operator*(), operator+(), operator+=(), operator-(), operator-=(), operator=(), operator==(), PxTransform::PxTransform(), PxMat44::rotate(), PxMat44::scale(), and PxMat44::transform().

float PxVec4::y

Referenced by dot(), maximum(), minimum(), multiply(), operator!=(), operator*(), operator+(), operator+=(), operator-(), operator-=(), operator=(), operator==(), PxTransform::PxTransform(), PxMat44::rotate(), PxMat44::scale(), and PxMat44::transform().

float PxVec4::z

Referenced by dot(), maximum(), minimum(), multiply(), operator!=(), operator*(), operator+(), operator+=(), operator-(), operator-=(), operator=(), operator==(), PxTransform::PxTransform(), PxMat44::rotate(), PxMat44::scale(), and PxMat44::transform().

---

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

• PxVec4.h