se_core::Quat4 Class Reference

A 4 element quaternion represented by x,y,z,w coordinates. More...

#include <Quat4.hpp>

Inheritance diagram for se_core::Quat4:


Public Types
typedef coor_t	value_type
	the type for values
typedef short	size_type
	the type for index
enum	{ DIMENSION = 4 }
	dimension More...
Public Member Functions
	Quat4 (coor_t x, coor_t y, coor_t z, coor_t w)
	Constructs and initializes a Quat4 from the specified xyzw coordinates.
	Quat4 (const coor_t v[])
	Constructs and initializes a Quat4 from the array of length 4.
	Quat4 (const Tuple4 &t1)
	Constructs and initializes a Quat4 from the specified Tuple4d.
	Quat4 (const Euler3 &a1)
	Quat4 (const AxisAngle4 &a1)
	Quat4 ()
	Constructs uninitialized Quat4.
void	set (const Tuple4 &t1)
	Sets the value of this tuple to the value of tuple t1.
void	setIdentity ()
void	set (coor_t x, coor_t y, coor_t z, coor_t w)
	Sets the value of this tuple to the specified xyzw coordinates.
void	conjugate (const Quat4 &q1)
	Sets the value of this quaternion to the conjugate of quaternion q1.
void	conjugate ()
	Negate the value of of each of this quaternion's x,y,z coordinates in place.
void	mul (const Quat4 &q1, const Quat4 &q2)
	Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2).
void	mul (const Quat4 &q1)
	Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).
void	rotate (const Quat4 &q1)
	Same as mul.
void	rotateInverse (const Quat4 &q1)
void	mulInverse (const Quat4 &q1, const Quat4 &q2)
	Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion.
void	mulInverse (const Quat4 &q1)
	Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion.
void	inverse (const Quat4 &q1)
	Sets the value of this quaternion to quaternion inverse of quaternion q1.
void	inverse ()
	Sets the value of this quaternion to the quaternion inverse of itself.
void	normalize (const Quat4 &q1)
	Sets the value of this quaternion to the normalized value of quaternion q1.
void	normalize ()
	Normalizes the value of this quaternion in place.
bool	isNormalized () const
bool	isIdentity () const
void	set (const AxisAngle4 &a1)
	Sets the value of this quaternion to the equivalent rotation of teh AxisAngle argument.
void	set (const Euler3 &a1)
void	setYaw (const bray_t yaw)
void	setPitch (const bray_t pitch)
void	setRoll (const bray_t roll)
void	setYawAndPitch (const bray_t yaw, const bray_t pitch)
void	setEuler (const bray_t yaw, const bray_t pitch, const bray_t roll)
void	slerp (const Quat4 &q1, scale_t alpha, bool findShortestPath=false)
	Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.
void	slerp (const Quat4 &q1, const Quat4 &q2, scale_t alpha, bool findShortestPath=false)
	Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.
void	interpolate (const Quat4 &q1, scale_t alpha)
	Same as slerp( ....
void	interpolate (const Quat4 &q1, const Quat4 &q2, scale_t alpha)
void	scale (scale_t alpha)
	Sets the value of this tuple to the scalar multiplication of itself.
void	set (const coor_t t[])
	Sets the value of this tuple from the 4 values specified in the array.
void	get (coor_t t[]) const
	Copies the value of the elements of this tuple into the array t[].
void	get (Tuple4 *t) const
	Gets the value of this tuple and copies the values into the Tuple4.
void	add (const Tuple4 &t1, const Tuple4 &t2)
	Sets the value of this tuple to the vector sum of tuples t1 and t2.
void	add (const Tuple4 &t1)
	Sets the value of this tuple to the vector sum of itself and tuple t1.
void	sub (const Tuple4 &t1, const Tuple4 &t2)
	Sets the value of this tuple to the vector difference of tuple t1 and t2 (this = t1 - t2).
void	sub (const Tuple4 &t1)
	Sets the value of this tuple to the vector difference of itself and tuple t1 (this = this - t1).
void	negate (const Tuple4 &t1)
	Sets the value of this tuple to the negation of tuple t1.
void	negate ()
	Negates the value of this vector in place.
void	scale (scale_t s, const Tuple4 &t1)
	Sets the value of this tuple to the scalar multiplication of tuple t1.
void	scaleAdd (scale_t s, const Tuple4 &t1, const Tuple4 &t2)
	Sets the value of this tuple to the scalar multiplication of tuple t1 and then adds tuple t2 (this = s*t1 + t2).
void	scaleAdd (scale_t s, const Tuple4 &t1)
	Sets the value of this tuple to the scalar multiplication of itself and then adds tuple t1 (this = s*this + t1).
bool	equals (const Tuple4 &t1) const
	Returns true if all of the data members of Tuple4 t1 are equal to the corresponding data members in this.
bool	isNan () const
bool	epsilonEquals (const Tuple4 &t1, coor_t epsilon) const
	Returns true if the L-infinite distance between this tuple and tuple t1 is less than or equal to the epsilon parameter, otherwise returns false.
void	clamp (coor_t min, coor_t max, const Tuple4 &t)
	Clamps the tuple parameter to the range [low, high] and places the values into this tuple.
void	clamp (coor_t min, coor_t max)
	Clamps this tuple to the range [low, high].
void	clampMin (coor_t min, const Tuple4 &t)
	Clamps the minimum value of the tuple parameter to the min parameter and places the values into this tuple.
void	clampMin (coor_t min)
	Clamps the minimum value of this tuple to the min parameter.
void	clampMax (coor_t max, const Tuple4 &t)
	Clamps the maximum value of the tuple parameter to the max parameter and places the values into this tuple.
void	clampMax (coor_t max)
	Clamps the maximum value of this tuple to the max parameter.
void	absolute (const Tuple4 &t)
	Sets each component of the tuple parameter to its absolute value and places the modified values into this tuple.
void	absolute ()
	Sets each component of this tuple to its absolute value.
void	interpolate (const Tuple4 &t1, const Tuple4 &t2, scale_t alpha)
	Linearly interpolates between tuples t1 and t2 and places the result into this tuple: this = (1-alpha)t1 + alphat2.
void	interpolate (const Tuple4 &t1, scale_t alpha)
	Linearly interpolates between this tuple and tuple t1 and places the result into this tuple: this = (1-alpha)this + alphat1.
char *	toString (char *buffer) const
	Returns a string that contains the values of this Tuple4.
const char *	toLog () const
bool	operator== (const Tuple4 &t1) const
coor_t	operator[] (size_type index) const
coor_t &	operator[] (size_type index)
Tuple4 &	operator+= (const Tuple4 &t1)
Tuple4 &	operator-= (const Tuple4 &t1)
Tuple4 &	operator *= (scale_t s)
Tuple4	operator+ (const Tuple4 &t1) const
Tuple4	operator- (const Tuple4 &t1) const
Tuple4	operator * (scale_t s) const
Public Attributes
coor_t	x_
	The x coordinate.
coor_t	y_
	The y coordinate.
coor_t	z_
	The z coordinate.
coor_t	w_
	The w coordinate.
Static Public Attributes
const Quat4	IDENTITY
Protected Member Functions
coor_double_t	norm () const

Detailed Description

A 4 element quaternion represented by x,y,z,w coordinates.

Version:

specification 1.1, implementation

Revision: 1.3

Date: 1999/10/06 02:52:46

Author:: Kenji hiranabe

Definition at line 36 of file Quat4.hpp.

Member Typedef Documentation

typedef short se_core::Tuple4::size_type [inherited]

the type for index

Definition at line 47 of file Tuple4.hpp.

typedef coor_t se_core::Tuple4::value_type [inherited]

the type for values

Definition at line 43 of file Tuple4.hpp.

Member Enumeration Documentation

anonymous enum [inherited]

dimension

Enumeration values:

DIMENSION

Definition at line 51 of file Tuple4.hpp.

Constructor & Destructor Documentation

se_core::Quat4::Quat4 ( coor_t x,

coor_t y,

coor_t z,

coor_t w

) [inline]

Constructs and initializes a Quat4 from the specified xyzw coordinates.

Parameters:

x the x coordinate

y the y coordinate

z the z coordinate

w the w scalar component

Definition at line 45 of file Quat4.hpp.

se_core::Quat4::Quat4 ( const coor_t v[] ) [inline]

Constructs and initializes a Quat4 from the array of length 4.

Parameters:

v the array of length 4 containing xyzw in order

Definition at line 51 of file Quat4.hpp.

se_core::Quat4::Quat4 ( const Tuple4 & t1 ) [inline]

Constructs and initializes a Quat4 from the specified Tuple4d.

Parameters:

t1 the Tuple4d containing the initialization x y z w data

Definition at line 58 of file Quat4.hpp.

se_core::Quat4::Quat4 ( const Euler3 & a1 ) [inline]

Definition at line 61 of file Quat4.hpp.
References se_core::Tuple4::set().

se_core::Quat4::Quat4 ( const AxisAngle4 & a1 ) [inline]

Definition at line 65 of file Quat4.hpp.
References se_core::Tuple4::set().

se_core::Quat4::Quat4 ( ) [inline]

Constructs uninitialized Quat4.

Definition at line 72 of file Quat4.hpp.

Member Function Documentation

void se_core::Tuple4::absolute ( ) [inline, inherited]

Sets each component of this tuple to its absolute value.

Definition at line 380 of file Tuple4.hpp.

void se_core::Tuple4::absolute ( const Tuple4 & t ) [inline, inherited]

Sets each component of the tuple parameter to its absolute value and places the modified values into this tuple.

Parameters:

t the source tuple, which will not be modified

Definition at line 332 of file Tuple4.hpp.

void se_core::Tuple4::add ( const Tuple4 & t1 ) [inline, inherited]

Sets the value of this tuple to the vector sum of itself and tuple t1.

Parameters:

t1 the other tuple

Definition at line 169 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::add ( const Tuple4 & t1,

const Tuple4 & t2

) [inline, inherited]

Sets the value of this tuple to the vector sum of tuples t1 and t2.

Parameters:

t1 the first tuple

t2 the second tuple

Definition at line 158 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.
Referenced by se_core::ViewPoint::add().

void se_core::Tuple4::clamp ( coor_t min,

coor_t max

) [inline, inherited]

Clamps this tuple to the range [low, high].

Parameters:

min the lowest value in this tuple after clamping

max the highest value in this tuple after clamping

Definition at line 342 of file Tuple4.hpp.

void se_core::Tuple4::clamp ( coor_t min,

coor_t max,

const Tuple4 & t

) [inline, inherited]

Clamps the tuple parameter to the range [low, high] and places the values into this tuple.

Parameters:

min the lowest value in the tuple after clamping

max the highest value in the tuple after clamping

t the source tuple, which will not be modified

Definition at line 300 of file Tuple4.hpp.

void se_core::Tuple4::clampMax ( coor_t max ) [inline, inherited]

Clamps the maximum value of this tuple to the max parameter.

Parameters:

max the highest value in the tuple after clamping

Definition at line 366 of file Tuple4.hpp.

void se_core::Tuple4::clampMax ( coor_t max,

const Tuple4 & t

) [inline, inherited]

Clamps the maximum value of the tuple parameter to the max parameter and places the values into this tuple.

Parameters:

max the highest value in the tuple after clamping

t the source tuple, which will not be modified

Definition at line 322 of file Tuple4.hpp.

void se_core::Tuple4::clampMin ( coor_t min ) [inline, inherited]

Clamps the minimum value of this tuple to the min parameter.

Parameters:

min the lowest value in this tuple after clamping

Definition at line 351 of file Tuple4.hpp.

void se_core::Tuple4::clampMin ( coor_t min,

const Tuple4 & t

) [inline, inherited]

Clamps the minimum value of the tuple parameter to the min parameter and places the values into this tuple.

Parameters:

min the lowest value in the tuple after clamping

t the source tuple, which will not be modified

Definition at line 311 of file Tuple4.hpp.

void se_core::Quat4::conjugate ( ) [inline]

Negate the value of of each of this quaternion's x,y,z coordinates in place.

Definition at line 116 of file Quat4.hpp.

void se_core::Quat4::conjugate ( const Quat4 & q1 ) [inline]

Sets the value of this quaternion to the conjugate of quaternion q1.

Parameters:

q1 the source vector

Definition at line 105 of file Quat4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

bool se_core::Tuple4::epsilonEquals ( const Tuple4 & t1,

coor_t epsilon

) const [inherited]

Returns true if the L-infinite distance between this tuple and tuple t1 is less than or equal to the epsilon parameter, otherwise returns false.
The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2), abs(w1-w2)].
Parameters:

t1 the tuple to be compared to this tuple

epsilon the threshold value

Definition at line 8 of file Tuple4.cpp.
References abs, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

bool se_core::Tuple4::equals ( const Tuple4 & t1 ) const [inline, inherited]

Returns true if all of the data members of Tuple4 t1 are equal to the corresponding data members in this.

Parameters:

t1 the vector with which the comparison is made.

Definition at line 278 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::get ( Tuple4 * t ) const [inline, inherited]

Gets the value of this tuple and copies the values into the Tuple4.

Parameters:

t Tuple4 object into which that values of this object are copied

Definition at line 145 of file Tuple4.hpp.
References Assert, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::get ( coor_t t[] ) const [inline, inherited]

Copies the value of the elements of this tuple into the array t[].

Parameters:

t the array that will contain the values of the vector

Definition at line 134 of file Tuple4.hpp.

void se_core::Tuple4::interpolate ( const Tuple4 & t1,

scale_t alpha

) [inline, inherited]

Linearly interpolates between this tuple and tuple t1 and places the result into this tuple: this = (1-alpha)*this + alpha*t1.

Parameters:

t1 the first tuple

alpha the alpha interpolation parameter

Definition at line 409 of file Tuple4.hpp.
References scale_t, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::interpolate ( const Tuple4 & t1,

const Tuple4 & t2,

scale_t alpha

) [inline, inherited]

Linearly interpolates between tuples t1 and t2 and places the result into this tuple: this = (1-alpha)*t1 + alpha*t2.

Parameters:

t1 the first tuple

t2 the second tuple

alpha the alpha interpolation parameter

Definition at line 398 of file Tuple4.hpp.

void se_core::Quat4::interpolate ( const Quat4 & q1,

const Quat4 & q2,

scale_t alpha

) [inline]

Definition at line 287 of file Quat4.hpp.

void se_core::Quat4::interpolate ( const Quat4 & q1,

scale_t alpha

) [inline]

Same as slerp( ....
, true)
Definition at line 282 of file Quat4.hpp.
Referenced by se_core::ViewPoint::interpolate().

void se_core::Quat4::inverse ( ) [inline]

Sets the value of this quaternion to the quaternion inverse of itself.

Definition at line 193 of file Quat4.hpp.
References scale_t.

void se_core::Quat4::inverse ( const Quat4 & q1 ) [inline]

Sets the value of this quaternion to quaternion inverse of quaternion q1.

Parameters:

q1 the quaternion to be inverted

Definition at line 180 of file Quat4.hpp.
References norm(), scale_t, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.
Referenced by se_core::Vector3::rotateInverse().

bool se_core::Quat4::isIdentity ( ) const [inline]

Definition at line 242 of file Quat4.hpp.

bool se_core::Tuple4::isNan ( ) const [inherited]

Definition at line 30 of file Tuple4.cpp.

bool se_core::Quat4::isNormalized ( ) const [inline]

Definition at line 231 of file Quat4.hpp.
References coor_double_t, and LogFatal.
Referenced by slerp().

void se_core::Quat4::mul ( const Quat4 & q1 )

Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).

Parameters:

q1 the other quaternion

Definition at line 24 of file Quat4.cpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Quat4::mul ( const Quat4 & q1,

const Quat4 & q2

)

Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2).
Note that this is safe for aliasing (e.g. this can be q1 or q2).
Parameters:

q1 the first quaternion

q2 the second quaternion

Definition at line 12 of file Quat4.cpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Quat4::mulInverse ( const Quat4 & q1 )

Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion.
The value of the argument quaternion is preserved (this = this * q^-1).
Parameters:

q1 the other quaternion

Definition at line 68 of file Quat4.cpp.
References scale_t, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Quat4::mulInverse ( const Quat4 & q1,

const Quat4 & q2

)

Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion.
The value of both argument quaternions is preservered (this = q1 * q2^-1).
Parameters:

q1 the left quaternion

q2 the right quaternion

Definition at line 36 of file Quat4.cpp.
References scale_t, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::negate ( ) [inline, inherited]

Negates the value of this vector in place.

Definition at line 214 of file Tuple4.hpp.

void se_core::Tuple4::negate ( const Tuple4 & t1 ) [inline, inherited]

Sets the value of this tuple to the negation of tuple t1.

Parameters:

t1 the source vector

Definition at line 204 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

coor_double_t se_core::Quat4::norm ( ) const [inline, protected]

Definition at line 170 of file Quat4.hpp.
References coor_double_t.
Referenced by inverse(), and normalize().

void se_core::Quat4::normalize ( ) [inline]

Normalizes the value of this quaternion in place.

Definition at line 220 of file Quat4.hpp.
References scale_t.

void se_core::Quat4::normalize ( const Quat4 & q1 ) [inline]

Sets the value of this quaternion to the normalized value of quaternion q1.

Parameters:

q1 the quaternion to be normalized.

Definition at line 208 of file Quat4.hpp.
References norm(), scale_t, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

Tuple4 se_core::Tuple4::operator * ( scale_t s ) const [inline, inherited]

Definition at line 488 of file Tuple4.hpp.

Tuple4& se_core::Tuple4::operator *= ( scale_t s ) [inline, inherited]

Definition at line 478 of file Tuple4.hpp.

Tuple4 se_core::Tuple4::operator+ ( const Tuple4 & t1 ) const [inline, inherited]

Definition at line 482 of file Tuple4.hpp.

Tuple4& se_core::Tuple4::operator+= ( const Tuple4 & t1 ) [inline, inherited]

Definition at line 470 of file Tuple4.hpp.

Tuple4 se_core::Tuple4::operator- ( const Tuple4 & t1 ) const [inline, inherited]

Definition at line 485 of file Tuple4.hpp.

Tuple4& se_core::Tuple4::operator-= ( const Tuple4 & t1 ) [inline, inherited]

Definition at line 474 of file Tuple4.hpp.

bool se_core::Tuple4::operator== ( const Tuple4 & t1 ) const [inline, inherited]

Definition at line 427 of file Tuple4.hpp.

coor_t& se_core::Tuple4::operator[] ( size_type index ) [inline, inherited]

Definition at line 447 of file Tuple4.hpp.
References Assert, and coor_t.

coor_t se_core::Tuple4::operator[] ( size_type index ) const [inline, inherited]

Definition at line 431 of file Tuple4.hpp.
References Assert, and coor_t.

void se_core::Quat4::rotate ( const Quat4 & q1 ) [inline]

Same as mul.
Included for method compatibility with Euler3.
Definition at line 143 of file Quat4.hpp.
Referenced by se_core::ViewPoint::add().

void se_core::Quat4::rotateInverse ( const Quat4 & q1 ) [inline]

Definition at line 147 of file Quat4.hpp.
Referenced by se_core::ViewPoint::sub().

void se_core::Tuple4::scale ( scale_t s,

const Tuple4 & t1

) [inline, inherited]

Sets the value of this tuple to the scalar multiplication of tuple t1.

Parameters:

s the scalar value

t1 the source tuple

Definition at line 227 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Quat4::scale ( scale_t alpha ) [inline]

Sets the value of this tuple to the scalar multiplication of itself.

Parameters:

s the scalar value

Reimplemented from se_core::Tuple4.
Definition at line 292 of file Quat4.hpp.

void se_core::Tuple4::scaleAdd ( scale_t s,

const Tuple4 & t1

) [inline, inherited]

Sets the value of this tuple to the scalar multiplication of itself and then adds tuple t1 (this = s*this + t1).

Parameters:

s the scalar value

t1 the tuple to be added

Definition at line 265 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::scaleAdd ( scale_t s,

const Tuple4 & t1,

const Tuple4 & t2

) [inline, inherited]

Sets the value of this tuple to the scalar multiplication of tuple t1 and then adds tuple t2 (this = s*t1 + t2).

Parameters:

s the scalar value

t1 the tuple to be multipled

t2 the tuple to be added

Definition at line 252 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::set ( const coor_t t[] ) [inline, inherited]

Sets the value of this tuple from the 4 values specified in the array.

Parameters:

t the array of length 4 containing xyzw in order

Definition at line 112 of file Tuple4.hpp.

void se_core::Quat4::set ( const Euler3 & a1 )

Definition at line 127 of file Quat4.cpp.
References se_core::Euler3::pitch_, quat_t, se_core::Euler3::roll_, and se_core::Euler3::yaw_.

void se_core::Quat4::set ( const AxisAngle4 & a1 )

Sets the value of this quaternion to the equivalent rotation of teh AxisAngle argument.

Parameters:

a1 the axis-angle

Definition at line 101 of file Quat4.cpp.
References se_core::AxisAngle4::angle_, coor_t, se_core::AxisAngle4::x_, se_core::AxisAngle4::y_, and se_core::AxisAngle4::z_.

void se_core::Quat4::set ( coor_t x,

coor_t y,

coor_t z,

coor_t w

) [inline]

Sets the value of this tuple to the specified xyzw coordinates.
note: other set methods hides this set.
Parameters:

x the x coordinate

y the y coordinate

z the z coordinate

w the w coordinate

Reimplemented from se_core::Tuple4.
Definition at line 96 of file Quat4.hpp.

void se_core::Quat4::set ( const Tuple4 & t1 ) [inline]

Sets the value of this tuple to the value of tuple t1.
note: other set methods hides this set.
Parameters:

t1 the tuple to be copied

Reimplemented from se_core::Tuple4.
Definition at line 79 of file Quat4.hpp.
Referenced by se_core::ViewPoint::face().

void se_core::Quat4::setEuler ( const bray_t yaw,

const bray_t pitch,

const bray_t roll

)

Definition at line 151 of file Quat4.cpp.

void se_core::Quat4::setIdentity ( ) [inline]

Definition at line 84 of file Quat4.hpp.
References se_core::Tuple4::set().

void se_core::Quat4::setPitch ( const bray_t pitch )

Definition at line 188 of file Quat4.cpp.
References Assert.

void se_core::Quat4::setRoll ( const bray_t roll )

Definition at line 202 of file Quat4.cpp.
References Assert.

void se_core::Quat4::setYaw ( const bray_t yaw )

Definition at line 176 of file Quat4.cpp.
References Assert.
Referenced by se_core::ViewPoint::setFaceDirection().

void se_core::Quat4::setYawAndPitch ( const bray_t yaw,

const bray_t pitch

)

Definition at line 157 of file Quat4.cpp.
References Assert, and trig_t.

void se_core::Quat4::slerp ( const Quat4 & q1,

const Quat4 & q2,

scale_t alpha,

bool findShortestPath = false

)

Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.

Parameters:

q1 the first quaternion

q2 the second quaternion

alpha the alpha interpolation parameter

Definition at line 280 of file Quat4.cpp.

void se_core::Quat4::slerp ( const Quat4 & q1,

scale_t alpha,

bool findShortestPath = false

)

Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.

Parameters:

q1 the other quaternion

alpha the alpha interpolation parameter

Definition at line 213 of file Quat4.cpp.
References abs, Assert, coor_t, isNormalized(), LogFatal, scale_t, se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::sub ( const Tuple4 & t1 ) [inline, inherited]

Sets the value of this tuple to the vector difference of itself and tuple t1 (this = this - t1).

Parameters:

t1 the other tuple

Definition at line 193 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.

void se_core::Tuple4::sub ( const Tuple4 & t1,

const Tuple4 & t2

) [inline, inherited]

Sets the value of this tuple to the vector difference of tuple t1 and t2 (this = t1 - t2).

Parameters:

t1 the first tuple

t2 the second tuple

Definition at line 182 of file Tuple4.hpp.
References se_core::Tuple4::w_, se_core::Tuple4::x_, se_core::Tuple4::y_, and se_core::Tuple4::z_.
Referenced by se_core::ViewPoint::sub().

const char * se_core::Tuple4::toLog ( ) const [inherited]

Definition at line 24 of file Tuple4.cpp.
References log_msg().

char * se_core::Tuple4::toString ( char * buffer ) const [inherited]

Returns a string that contains the values of this Tuple4.
The form is (x,y,z,w).
Returns:
the String representation

Definition at line 17 of file Tuple4.cpp.

Member Data Documentation

const Quat4 se_core::Quat4::IDENTITY [static]

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

core/src/util/vecmath/Quat4.hpp
core/src/util/vecmath/Quat4.cpp

Home Page | SagaEngine trunk (updated nightly) reference generated Sun Dec 2 20:06:31 2007 by Doxygen version 1.3.9.1.

se_core::Quat4 Class Reference

Public Types

Public Member Functions

Public Attributes