Module vecmath
Package javax.vecmath

Class Tuple4d

java.lang.Object
javax.vecmath.Tuple4d
All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
Point4d, Quat4d, Vector4d

public abstract class Tuple4d extends Object implements Serializable, Cloneable
A generic 4 element tuple that is represented by double precision floating point x,y,z and w coordinates.
Version:
specification 1.1, implementation $Revision: 1.11 $, $Date: 1999/10/05 07:03:50 $
Author:
Kenji hiranabe
See Also:
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    double
    The w coordinate.
    double
    The x coordinate.
    double
    The y coordinate.
    double
    The z coordinate.
  • Constructor Summary

    Constructors
    Constructor
    Description
    Constructs and initializes a Tuple4d to (0,0,0,0).
    Tuple4d(double[] t)
    Constructs and initializes a Tuple4d from the specified array.
    Tuple4d(double x, double y, double z, double w)
    Constructs and initializes a Tuple4d from the specified xyzw coordinates.
    Constructs and initializes a Tuple4d from the specified Tuple4d.
    Constructs and initializes a Tuple4d from the specified Tuple4f.
  • Method Summary

    Modifier and Type
    Method
    Description
    final void
    Sets each component of this tuple to its absolute value.
    final void
    Sets each component of the tuple parameter to its absolute value and places the modified values into this tuple.
    final void
    Sets the value of this tuple to the vector sum of itself and tuple t1.
    final void
    add(Tuple4d t1, Tuple4d t2)
    Sets the value of this tuple to the vector sum of tuples t1 and t2.
    final void
    clamp(double min, double max)
    Clamps this tuple to the range [low, high].
    final void
    clamp(double min, double max, Tuple4d t)
    Clamps the tuple parameter to the range [low, high] and places the values into this tuple.
    final void
    clampMax(double max)
    Clamps the maximum value of this tuple to the max parameter.
    final void
    clampMax(double max, Tuple4d t)
    Clamps the maximum value of the tuple parameter to the max parameter and places the values into this tuple.
    final void
    clampMin(double min)
    Clamps the minimum value of this tuple to the min parameter.
    final void
    clampMin(double min, Tuple4d t)
    Clamps the minimum value of the tuple parameter to the min parameter and places the values into this tuple.
    abstract Object
     
    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.
    boolean
     
    boolean
    Returns true if all of the data members of Tuple4d t1 are equal to the corresponding data members in this
    final void
    get(double[] t)
    Copies the value of the elements of this tuple into the array t[].
    final void
    Gets the value of this tuple and copies the values into the Tuple4d.
    int
    Returns a hash number based on the data values in this object.
    final void
    interpolate(Tuple4d t1, double alpha)
    Linearly interpolates between this tuple and tuple t1 and places the result into this tuple: this = (1-alpha)*this + alpha*t1.
    final void
    interpolate(Tuple4d t1, Tuple4d t2, double alpha)
    Linearly interpolates between tuples t1 and t2 and places the result into this tuple: this = (1-alpha)*t1 + alpha*t2.
    final void
    Negates the value of this vector in place.
    final void
    Sets the value of this tuple to the negation of tuple t1.
    final void
    scale(double s)
    Sets the value of this tuple to the scalar multiplication of itself.
    final void
    scale(double s, Tuple4d t1)
    Sets the value of this tuple to the scalar multiplication of tuple t1.
    final void
    scaleAdd(double s, Tuple4d t1)
    Sets the value of this tuple to the scalar multiplication of itself and then adds tuple t1 (this = s*this + t1).
    final void
    scaleAdd(double s, Tuple4d t1, Tuple4d t2)
    Sets the value of this tuple to the scalar multiplication of tuple t1 and then adds tuple t2 (this = s*t1 + t2).
    final void
    set(double[] t)
    Sets the value of this tuple from the 4 values specified in the array.
    final void
    set(double x, double y, double z, double w)
    Sets the value of this tuple to the specified xyzw coordinates.
    final void
    Sets the value of this tuple to the value of tuple t1.
    final void
    Sets the value of this tuple to the value of tuple t1.
    final void
    Sets the value of this tuple to the vector difference of itself and tuple t1 (this = this - t1).
    final void
    sub(Tuple4d t1, Tuple4d t2)
    Sets the value of this tuple to the vector difference of tuple t1 and t2 (this = t1 - t2).
    Returns a string that contains the values of this Tuple4d.

    Methods inherited from class java.lang.Object

    finalize, getClass, notify, notifyAll, wait, wait, wait
  • Field Details

    • x

      public double x
      The x coordinate.
    • y

      public double y
      The y coordinate.
    • z

      public double z
      The z coordinate.
    • w

      public double w
      The w coordinate.
  • Constructor Details

    • Tuple4d

      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
    • Tuple4d

      public Tuple4d(double[] t)
      Constructs and initializes a Tuple4d from the specified array.
      Parameters:
      t - the array of length 4 containing xyzw in order
    • Tuple4d

      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
    • Tuple4d

      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
    • Tuple4d

      public Tuple4d()
      Constructs and initializes a Tuple4d to (0,0,0,0).
  • Method Details

    • set

      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
    • set

      public final void set(double[] t)
      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
    • set

      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
    • set

      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
    • get

      public final void get(double[] t)
      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
    • get

      public final void get(Tuple4d t)
      Gets the value of this tuple and copies the values into the Tuple4d.
      Parameters:
      t - Tuple4d object into which that values of this object are copied
    • add

      public final void add(Tuple4d t1, Tuple4d 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(Tuple4d 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(Tuple4d t1, Tuple4d t2)
      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
    • sub

      public final void sub(Tuple4d 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(Tuple4d t1)
      Sets the value of this tuple to the negation of tuple t1.
      Parameters:
      t1 - the source vector
    • negate

      public final void negate()
      Negates the value of this vector in place.
    • scale

      public final void scale(double s, Tuple4d t1)
      Sets the value of this tuple to the scalar multiplication of tuple t1.
      Parameters:
      s - the scalar value
      t1 - the source tuple
    • scale

      public final void scale(double s)
      Sets the value of this tuple to the scalar multiplication of itself.
      Parameters:
      s - the scalar value
    • scaleAdd

      public final void scaleAdd(double s, Tuple4d t1, Tuple4d 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 multipled
      t2 - the tuple to be added
    • scaleAdd

      public final void scaleAdd(double s, Tuple4d 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
    • hashCode

      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.
      Overrides:
      hashCode in class Object
    • equals

      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
      Parameters:
      t1 - the vector with which the comparison is made.
    • equals

      public boolean equals(Object o1)
      Overrides:
      equals in class Object
    • epsilonEquals

      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
    • toString

      public String toString()
      Returns a string that contains the values of this Tuple4d. The form is (x,y,z,w).
      Overrides:
      toString in class Object
      Returns:
      the String representation
    • clamp

      public final void clamp(double min, double 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
    • clampMin

      public final void clampMin(double 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
    • clampMax

      public final void clampMax(double 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
    • absolute

      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
    • clamp

      public final void clamp(double min, double 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(double 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(double 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(Tuple4d t1, Tuple4d t2, double 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(Tuple4d t1, double 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
    • clone

      public abstract Object clone()
      Overrides:
      clone in class Object