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Class java.vecmath.Tuple4d

java.lang.Object
   |
   +----java.vecmath.Tuple4d

public abstract class Tuple4d

extends Object

w

The w coordinate.

x

The x coordinate.

y

The y coordinate.

z

The z coordinate.

Tuple4d()

Constructs and initializes a Tuple4d to (0,0,0,0).

Tuple4d(double, double, double, double)

Constructs and initializes a Tuple4d from the specified xyzw coordinates.

Tuple4d(double[])

Constructs and initializes a Tuple4d from the coordinates contained in the array.

Tuple4d(Tuple4d)

Constructs and initializes a Tuple4d from the specified Tuple4d.

Tuple4d(Tuple4f)

Constructs and initializes a Tuple4d from the specified Tuple4f.

absolute()

Sets each component of this tuple to its absolute value.

absolute(Tuple4d)

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

add(Tuple4d)

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

add(Tuple4d, Tuple4d)

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

clamp(float, float)

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

clamp(float, float, Tuple4d)

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

clampMax(float)

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

clampMax(float, Tuple4d)

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

clampMin(float)

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

clampMin(float, Tuple4d)

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

epsilonEquals(Tuple4d, double)

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.

equals(Tuple4d)

Returns true if all of the data members of Tuple4d t1 are equal to the corresponding data members in this Tuple4d.

get(double[])

Gets the value of this tuple and places it into the array t of length four in x,y,z,w order.

get(Tuple4d)

Gets the value of this tuple and places it into the Tuple4d argument.

hashCode()

Returns a hash number based on the data values in this object.

interpolate(Tuple4d, float)

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

interpolate(Tuple4d, Tuple4d, float)

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

negate()

Negates the value of this tuple in place.

negate(Tuple4d)

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

scale(double)

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

scale(double, Tuple4d)

Sets the value of this tuple to the scalar multiplication of the scale factor with the tuple t1.

scaleAdd(double, Tuple4d, Tuple4d)

Sets the value of this tuple to the scalar multiplication by s of tuple t1 plus tuple t2 (this = s*t1 + t2).

set(double, double, double, double)

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

set(double[])

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

set(Tuple4d)

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

set(Tuple4f)

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

sub(Tuple4d)

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

sub(Tuple4d, Tuple4d)

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

toString()

Returns a string that contains the values of this Tuple4d.

 public double x

The x coordinate.

 public double y

The y coordinate.

 public double z

The z coordinate.

 public double w

The w coordinate.

 public Tuple4d(double x,
                double y,
                double z,
                double w)

Constructs and initializes a Tuple4d from the specified xyzw coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

w - the w coordinate

 public Tuple4d(double t[])

Constructs and initializes a Tuple4d from the coordinates contained in the array.

Parameters:

t - the array of length 4 containing xyzw in order

 public Tuple4d(Tuple4d t1)

Constructs and initializes a Tuple4d from the specified Tuple4d.

Parameters:

t1 - the Tuple4d containing the initialization x y z w data

 public Tuple4d(Tuple4f t1)

Constructs and initializes a Tuple4d from the specified Tuple4f.

Parameters:

t1 - the Tuple4f containing the initialization x y z w data

 public Tuple4d()

Constructs and initializes a Tuple4d to (0,0,0,0).

 public final void set(double x,
                       double y,
                       double z,
                       double w)

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

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

w - the w coordinate

 public final void set(double t[])

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

Parameters:

t - the array of length 4 containing xyzw in order

 public final void set(Tuple4d t1)

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

Parameters:

t1 - the tuple to be copied

 public final void set(Tuple4f t1)

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

Parameters:

t1 - the tuple to be copied

 public final void get(double t[])

Gets the value of this tuple and places it into the array t of length four in x,y,z,w order.

Parameters:

t - the array of length four

 public final void get(Tuple4d t)

Gets the value of this tuple and places it into the Tuple4d argument. length four in x,y,z,w order.

Parameters:

t - the Tuple into which the values will be copied

 public final void add(Tuple4d t1,
                       Tuple4d t2)

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

Parameters:

t1 - the first tuple

t2 - the second tuple

 public final void add(Tuple4d t1)

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

Parameters:

t1 - the other tuple

 public final void sub(Tuple4d t1,
                       Tuple4d t2)

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

Parameters:

t1 - the first tuple

t2 - the second tuple

 public final void sub(Tuple4d t1)

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

Parameters:

t1 - the other tuple

 public final void negate(Tuple4d t1)

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

Parameters:

t1 - the source tuple

 public final void negate()

Negates the value of this tuple in place.

 public final void scale(double s,
                         Tuple4d t1)

Sets the value of this tuple to the scalar multiplication of the scale factor with the tuple t1.

Parameters:

s - the scalar value

t1 - the source tuple

 public final void scale(double s)

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

Parameters:

s - the scalar value

 public final void scaleAdd(double s,
                            Tuple4d t1,
                            Tuple4d t2)

Sets the value of this tuple to the scalar multiplication by s of tuple t1 plus tuple t2 (this = s*t1 + t2).

Parameters:

s - the scalar value

t1 - the tuple to be multipled

t2 - the tuple to be added

 public String toString()

Returns a string that contains the values of this Tuple4d. The form is (x,y,z,w).

Returns:

the String representation

Overrides:

toString in class Object

 public boolean equals(Tuple4d t1)

Returns true if all of the data members of Tuple4d t1 are equal to the corresponding data members in this Tuple4d.

Parameters:

t1 - The tuple with which the comparison is made.

Returns:

true or false

 public boolean epsilonEquals(Tuple4d t1,
                              double 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), abs(w1-w2)].

Parameters:

t1 - The tuple to be compared to this tuple

epsilon - the threshold value

 public int hashCode()

Returns a hash number based on the data values in this object. Two different Tuple4d objects with identical data values (ie, returns true for equals(Tuple4d) ) will return the same hash number. Two vectors with different data members may return the same hash value, although this is not likely.

Returns:

the integer hash value

Overrides:

hashCode in class Object

 public final void clamp(float min,
                         float max,
                         Tuple4d 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

 public final void clampMin(float min,
                            Tuple4d 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

 public final void clampMax(float max,
                            Tuple4d 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

 public final void absolute(Tuple4d 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

 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

 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

 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

 public final void absolute()

Sets each component of this tuple to its absolute value.

 public void interpolate(Tuple4d t1,
                         Tuple4d t2,
                         float alpha)

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

Parameters:

t1 - the first tuple

t2 - the second tuple

alpha - the alpha interpolation parameter

 public void interpolate(Tuple4d t1,
                         float alpha)

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

Parameters:

t1 - the first tuple

alpha - the alpha interpolation parameter

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