com.openinventor.inventor

Class SbVec4f

java.lang.Object

com.openinventor.inventor.SbBasic

com.openinventor.inventor.SbVec4f

Direct Known Subclasses:

SbColorRGBA

public class SbVec4f
extends SbBasic

4D vector class. 4D vector class used to store homogeneous coordinates. This class is used in Open Inventor for arguments and return values.

See also:

SbRotation, SbRotationd, SbVec2d, SbVec2f, SbVec2i32, SbVec2s, SbVec3d, SbVec3f, SbVec3i32, SbVec3s, SbVec4b, SbVec4d, SbVec4i32, SbVec4s, SbVec4ub, SbVec4ui32, SbVec4us

Field Summary

Fields

Modifier and Type	Field and Description
float[]	array

Constructor Summary

Constructors

Constructor and Description
SbVec4f()
SbVec4f(float[] components)
SbVec4f(float c0, float c1, float c2, float c3)
SbVec4f(SbVec4f copyFrom)

Method Summary

Modifier and Type	Method and Description
void	add(SbVec4f u) Component-wise vector addition operator.
void	divide(float d) Component-wise scalar division operator.
float	dot(SbVec4f v) Returns dot (inner) product of vector and another vector.
boolean	equals(java.lang.Object obj)
boolean	equals(SbVec4f v, float tolerance) Equality comparison within given tolerance - the square of the length of the maximum distance between the two vectors.
SbVec3f	getReal() Returns the real portion of the vector by dividing by the fourth value.
float[]	getValue()
float	getValueAt(int index)
float	getW()
float	getX()
float	getY()
float	getZ()
float	length() Returns geometric length of vector.
float	lengthSquared() Returns square length of vector.
SbVec4f	minus(SbVec4f v2) Component-wise binary vector subtraction operator.
void	multiply(float d) Component-wise scalar multiplication operator.
void	negate() Negates each component of vector in place.
float	normalize() Changes vector to be unit length.
SbVec4f	over(float d) Component-wise binary scalar division operator.
SbVec4f	plus(SbVec4f v2) Component-wise binary vector addition operator.
SbVec4f	setValue(float[] components)
SbVec4f	setValue(float[] components, int startIndex)
SbVec4f	setValue(float c0, float c1, float c2, float c3)
SbVec4f	setValue(SbVec4d vec4d) Sets value of vector from a double precision vector.
void	setValue(SbVec4f copyFrom)
void	setValueAt(int index, float value)
void	setW(float value)
void	setX(float value)
void	setY(float value)
void	setZ(float value)
void	substract(SbVec4f u) Component-wise vector subtraction operator.
SbVec4f	times(float d) Component-wise binary scalar multiplication operator.
static SbVec4f[]	toArray(long nativeArray, long length)

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

array

public final float[] array

Constructor Detail

SbVec4f

public SbVec4f()

SbVec4f

public SbVec4f(SbVec4f copyFrom)

SbVec4f

public SbVec4f(float[] components)

SbVec4f

public SbVec4f(float c0,
               float c1,
               float c2,
               float c3)

Method Detail

setValue

public SbVec4f setValue(float c0,
                        float c1,
                        float c2,
                        float c3)

setY

public void setY(float value)

setX

public void setX(float value)

getValueAt

public float getValueAt(int index)

setValue

public void setValue(SbVec4f copyFrom)

setValueAt

public void setValueAt(int index,
                       float value)

setValue

public SbVec4f setValue(float[] components,
                        int startIndex)

getValue

public float[] getValue()

setValue

public SbVec4f setValue(float[] components)

setZ

public void setZ(float value)

getZ

public float getZ()

getX

public float getX()

getY

public float getY()

setW

public void setW(float value)

getW

public float getW()

toArray

public static SbVec4f[] toArray(long nativeArray,
                                long length)

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

equals

public boolean equals(SbVec4f v,
                      float tolerance)

Equality comparison within given tolerance - the square of the length of the maximum distance between the two vectors.

plus

public SbVec4f plus(SbVec4f v2)

Component-wise binary vector addition operator.

minus

public SbVec4f minus(SbVec4f v2)

Component-wise binary vector subtraction operator.

over

public SbVec4f over(float d)

Component-wise binary scalar division operator.

length

public float length()

Returns geometric length of vector.

lengthSquared

public float lengthSquared()

Returns square length of vector. Faster than length().

getReal

public SbVec3f getReal()

Returns the real portion of the vector by dividing by the fourth value.

dot

public float dot(SbVec4f v)

Returns dot (inner) product of vector and another vector.

negate

public void negate()

Negates each component of vector in place.

add

public void add(SbVec4f u)

Component-wise vector addition operator.

divide

public void divide(float d)

Component-wise scalar division operator.

times

public SbVec4f times(float d)

Component-wise binary scalar multiplication operator.

substract

public void substract(SbVec4f u)

Component-wise vector subtraction operator.

multiply

public void multiply(float d)

Component-wise scalar multiplication operator.

normalize

public float normalize()

Changes vector to be unit length.

setValue

public SbVec4f setValue(SbVec4d vec4d)

Sets value of vector from a double precision vector.