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Class java.vecmath.Tuple2f

java.lang.Object
   |
   +----java.vecmath.Tuple2f

public abstract class Tuple2f

extends Object

x

The x coordinate.

y

The y coordinate.

Tuple2f()

Constructs and initializes a Tuple2f to (0,0).

Tuple2f(float, float)

Constructs and initializes a Tuple2f from the specified xy coordinates.

Tuple2f(float[])

Constructs and initializes a Tuple2f from the specified array.

Tuple2f(Tuple2f)

Constructs and initializes a Tuple2f from the specified Tuple2f.

absolute()

Sets each component of this tuple to its absolute value.

absolute(Tuple2f)

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

add(Tuple2f)

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

add(Tuple2f, Tuple2f)

Sets the value of this tuple to the vector sum of tuples v1 and v2.

clamp(float, float)

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

clamp(float, float, Tuple2f)

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, Tuple2f)

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, Tuple2f)

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

epsilonEquals(Tuple2f, float)

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(Tuple2f)

Returns true if all of the data members of Tuple2f t1 are equal to the corresponding data members in this Tuple2f.

get(float[])

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

hashCode()

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

interpolate(Tuple2f, float)

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

interpolate(Tuple2f, Tuple2f, 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 vector in place.

negate(Tuple2f)

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

scale(float)

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

scale(float, Tuple2f)

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

scaleAdd(float, Tuple2f, Tuple2f)

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

set(float, float)

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

set(float[])

Sets the value of this tuple from the 2 values specified in the array.

set(Tuple2f)

Sets the value of this tuple to the value of the Tuple2f argument.

sub(Tuple2f)

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

sub(Tuple2f, Tuple2f)

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

toString()

Returns a string that contains the values of this Tuple2f.

 public float x

The x coordinate.

 public float y

The y coordinate.

 public Tuple2f(float x,
                float y)

Constructs and initializes a Tuple2f from the specified xy coordinates.

Parameters:

x - the x coordinate

y - the y coordinate

 public Tuple2f(float t[])

Constructs and initializes a Tuple2f from the specified array.

Parameters:

t - the array of length 2 containing xy in order

 public Tuple2f(Tuple2f t1)

Constructs and initializes a Tuple2f from the specified Tuple2f.

Parameters:

t1 - the Tuple2f containing the initialization x y data

 public Tuple2f()

Constructs and initializes a Tuple2f to (0,0).

 public final void set(float x,
                       float y)

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

Parameters:

x - the x coordinate

y - the y coordinate

 public final void set(float t[])

Sets the value of this tuple from the 2 values specified in the array.

Parameters:

t - the array of length 2 containing xy in order

 public final void set(Tuple2f t1)

Sets the value of this tuple to the value of the Tuple2f argument.

Parameters:

t1 - the tuple to be copied

 public final void get(float 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

 public final void add(Tuple2f t1,
                       Tuple2f t2)

Sets the value of this tuple to the vector sum of tuples v1 and v2.

Parameters:

t1 - the first tuple

t2 - the second tuple

 public final void add(Tuple2f t1)

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

Parameters:

t1 - the other tuple

 public final void sub(Tuple2f t1,
                       Tuple2f 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

 public final void sub(Tuple2f t1)

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

Parameters:

v1 - the other vector

 public final void negate(Tuple2f t1)

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

Parameters:

t1 - the source vector

 public final void negate()

Negates the value of this vector in place.

 public final void scale(float s,
                         Tuple2f t1)

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

Parameters:

s - the scalar value

t1 - the source tuple

 public final void scale(float s)

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

Parameters:

s - the scalar value

 public final void scaleAdd(float s,
                            Tuple2f t1,
                            Tuple2f 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

 public int hashCode()

Returns a hash number based on the data values in this object. Two different Tuple2f objects with identical data values (ie, returns true for equals(Tuple2f) ) 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 boolean equals(Tuple2f t1)

Returns true if all of the data members of Tuple2f t1 are equal to the corresponding data members in this Tuple2f.

Parameters:

t1 - The vector with which the comparison is made.

Returns:

true or false

 public boolean epsilonEquals(Tuple2f 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)].

Parameters:

t1 - The tuple to be compared to this tuple

epsilon - the threshold value

 public String toString()

Returns a string that contains the values of this Tuple2f. The form is (x,y).

Returns:

the String representation

Overrides:

toString in class Object

 public final void clamp(float min,
                         float max,
                         Tuple2f 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,
                            Tuple2f 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,
                            Tuple2f 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(Tuple2f 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 final void interpolate(Tuple2f t1,
                               Tuple2f 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 final void interpolate(Tuple2f 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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