javax.vecmath
Class Tuple3f

java.lang.Object
  |
  +--javax.vecmath.Tuple3f

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Color3f, Point3f, TexCoord3f, Vector3f

public abstract class Tuple3f

extends java.lang.Object

implements java.io.Serializable

A generic 3-element tuple that is represented by single precision-floating point x,y,z coordinates.

See Also:

Serialized Form

Field Summary

float	x The x coordinate.
float	y The y coordinate.
float	z The z coordinate.

Constructor Summary

Tuple3f()
Constructs and initializes a Tuple3f to (0,0,0).

Tuple3f(float[] t)
Constructs and initializes a Tuple3f from the array of length 3.

Tuple3f(float x, float y, float z)
Constructs and initializes a Tuple3f from the specified xyz coordinates.

Tuple3f(Tuple3d t1)
Constructs and initializes a Tuple3f from the specified Tuple3d.

Tuple3f(Tuple3f t1)
Constructs and initializes a Tuple3f from the specified Tuple3f.

Method Summary

void	absolute() Sets each component of this tuple to its absolute value.
void	absolute(Tuple3f t) Sets each component of the tuple parameter to its absolute value and places the modified values into this tuple.
void	add(Tuple3f t1) Sets the value of this tuple to the vector sum of itself and tuple t1.
void	add(Tuple3f t1, Tuple3f t2) Sets the value of this tuple to the vector sum of tuples t1 and t2.
void	clamp(float min, float max) Clamps this tuple to the range [low, high].
void	clamp(float min, float max, Tuple3f t) Clamps the tuple parameter to the range [low, high] and places the values into this tuple.
void	clampMax(float max) Clamps the maximum value of this tuple to the max parameter.
void	clampMax(float max, Tuple3f t) Clamps the maximum value of the tuple parameter to the max parameter and places the values into this tuple.
void	clampMin(float min) Clamps the minimum value of this tuple to the min parameter.
void	clampMin(float min, Tuple3f t) Clamps the minimum value of the tuple parameter to the min parameter and places the values into this tuple.
boolean	epsilonEquals(Tuple3f t1, float epsilon) 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.
boolean	equals(java.lang.Object t1) Returns true if the Object t1 is of type Tuple3f and all of the data members of t1 are equal to the corresponding data members in this Tuple3f.
boolean	equals(Tuple3f t1) Returns true if the Object t1 is of type Tuple3f and all of the data members of t1 are equal to the corresponding data members in this Tuple3f.
void	get(float[] t) Gets the value of this tuple and copies the values into t.
void	get(Tuple3f t) Gets the value of this tuple and copies the values into t.
int	hashCode() Returns a hash code value based on the data values in this object.
void	interpolate(Tuple3f t1, float alpha) Linearly interpolates between this tuple and tuple t1 and places the result into this tuple: this = (1-alpha)*this + alpha*t1.
void	interpolate(Tuple3f t1, Tuple3f t2, float alpha) Linearly interpolates between tuples t1 and t2 and places the result into this tuple: this = (1-alpha)*t1 + alpha*t2.
void	negate() Negates the value of this tuple in place.
void	negate(Tuple3f t1) Sets the value of this tuple to the negation of tuple t1.
void	scale(float s) Sets the value of this tuple to the scalar multiplication of the scale factor with this.
void	scale(float s, Tuple3f t1) Sets the value of this vector to the scalar multiplication of tuple t1.
void	scaleAdd(float s, Tuple3f t1) Sets the value of this tuple to the scalar multiplication of itself and then adds tuple t1 (this = s*this + t1).
void	scaleAdd(float s, Tuple3f t1, Tuple3f t2) Sets the value of this tuple to the scalar multiplication of tuple t1 and then adds tuple t2 (this = s*t1 + t2).
void	set(float[] t) Sets the value of this tuple to the xyz coordinates specified in the array of length 3.
void	set(float x, float y, float z) Sets the value of this tuple to the specified xyz coordinates.
void	set(Tuple3d t1) Sets the value of this tuple to the value of tuple t1.
void	set(Tuple3f t1) Sets the value of this tuple to the value of tuple t1.
void	sub(Tuple3f t1) Sets the value of this tuple to the vector difference of itself and tuple t1 (this = this - t1) .
void	sub(Tuple3f t1, Tuple3f t2) Sets the value of this tuple to the vector difference of tuples t1 and t2 (this = t1 - t2).
java.lang.String	toString() Returns a string that contains the values of this Tuple3f.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

x

public float x

The x coordinate.

y

public float y

The y coordinate.

z

public float z

The z coordinate.

Constructor Detail

Tuple3f

public Tuple3f(float x,
               float y,
               float z)

Constructs and initializes a Tuple3f from the specified xyz coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Tuple3f

public Tuple3f(float[] t)

Constructs and initializes a Tuple3f from the array of length 3.

Parameters:

t - the array of length 3 containing xyz in order

Tuple3f

public Tuple3f(Tuple3f t1)

Constructs and initializes a Tuple3f from the specified Tuple3f.

Parameters:

t1 - the Tuple3f containing the initialization x y z data

Tuple3f

public Tuple3f(Tuple3d t1)

Constructs and initializes a Tuple3f from the specified Tuple3d.

Parameters:

t1 - the Tuple3d containing the initialization x y z data

Tuple3f

public Tuple3f()

Constructs and initializes a Tuple3f to (0,0,0).

Method Detail

toString

public java.lang.String toString()

Returns a string that contains the values of this Tuple3f. The form is (x,y,z).

Overrides:

toString in class java.lang.Object

Returns:

the String representation

set

public final void set(float x,
                      float y,
                      float z)

Sets the value of this tuple to the specified xyz coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

set

public final void set(float[] t)

Sets the value of this tuple to the xyz coordinates specified in the array of length 3.

Parameters:

t - the array of length 3 containing xyz in order

set

public final void set(Tuple3f t1)

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

Parameters:

t1 - the tuple to be copied

set

public final void set(Tuple3d t1)

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

Parameters:

t1 - the tuple to be copied

get

public final void get(float[] t)

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

Parameters:

t - the array of length 3 into which the values are copied

get

public final void get(Tuple3f t)

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

Parameters:

t - the Tuple3f object into which the values of this object are copied

add

public final void add(Tuple3f t1,
                      Tuple3f t2)

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

Parameters:

t1 - the first tuple

t2 - the second tuple

add

public final void add(Tuple3f t1)

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

Parameters:

t1 - the other tuple

sub

public final void sub(Tuple3f t1,
                      Tuple3f t2)

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

Parameters:

t1 - the first tuple

t2 - the second tuple

sub

public final void sub(Tuple3f t1)

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

Parameters:

t1 - the other tuple

negate

public final void negate(Tuple3f t1)

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

Parameters:

t1 - the source tuple

negate

public final void negate()

Negates the value of this tuple in place.

scale

public final void scale(float s,
                        Tuple3f t1)

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

Parameters:

s - the scalar value

t1 - the source tuple

scale

public final void scale(float s)

Sets the value of this tuple to the scalar multiplication of the scale factor with this.

Parameters:

s - the scalar value

scaleAdd

public final void scaleAdd(float s,
                           Tuple3f t1,
                           Tuple3f t2)

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 scaled and added

t2 - the tuple to be added without a scale

scaleAdd

public final void scaleAdd(float s,
                           Tuple3f t1)

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

equals

public boolean equals(Tuple3f t1)

Returns true if the Object t1 is of type Tuple3f and all of the data members of t1 are equal to the corresponding data members in this Tuple3f.

Parameters:

t1 - the vector with which the comparison is made

Returns:

true or false

equals

public boolean equals(java.lang.Object t1)

Returns true if the Object t1 is of type Tuple3f and all of the data members of t1 are equal to the corresponding data members in this Tuple3f.

Overrides:

equals in class java.lang.Object

Parameters:

t1 - the Object with which the comparison is made

Returns:

true or false

epsilonEquals

public boolean epsilonEquals(Tuple3f t1,
                             float epsilon)

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)].

Parameters:

t1 - the tuple to be compared to this tuple

epsilon - the threshold value

Returns:

true or false

hashCode

public int hashCode()

Returns a hash code value based on the data values in this object. Two different Tuple3f objects with identical data values (i.e., Tuple3f.equals returns true) will return the same hash code value. Two objects with different data members may return the same hash value, although this is not likely.

Overrides:

hashCode in class java.lang.Object

Returns:

the integer hash code value

clamp

public final void clamp(float min,
                        float max,
                        Tuple3f t)

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

clampMin

public final void clampMin(float min,
                           Tuple3f t)

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

clampMax

public final void clampMax(float max,
                           Tuple3f t)

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

absolute

public final void absolute(Tuple3f t)

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

clamp

public final void clamp(float min,
                        float max)

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

clampMin

public final void clampMin(float min)

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

Parameters:

min - the lowest value in this tuple after clamping

clampMax

public final void clampMax(float max)

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

Parameters:

max - the highest value in the tuple after clamping

absolute

public final void absolute()

Sets each component of this tuple to its absolute value.

interpolate

public final void interpolate(Tuple3f t1,
                              Tuple3f t2,
                              float alpha)

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

interpolate

public final void interpolate(Tuple3f t1,
                              float alpha)

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