Module vecmath
Package javax.vecmath

Class Vector2d

java.lang.Object
javax.vecmath.Tuple2d
javax.vecmath.Vector2d
All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
TVector2d

public class Vector2d extends Tuple2d implements Serializable
A 2 element vector that is represented by single precision floating point x,y coordinates.
Version:
specification 1.1, implementation $Revision: 1.4 $, $Date: 1999/10/05 07:03:50 $
Author:
Kenji hiranabe
See Also:
  • Constructor Details

    • Vector2d

      public Vector2d(double x, double y)
      Constructs and initializes a Vector2d from the specified xy coordinates.
      Parameters:
      x - the x coordinate
      y - the y coordinate
    • Vector2d

      public Vector2d(double[] v)
      Constructs and initializes a Vector2d from the specified array.
      Parameters:
      v - the array of length 2 containing xy in order
    • Vector2d

      public Vector2d(Vector2d v1)
      Constructs and initializes a Vector2d from the specified Vector2d.
      Parameters:
      v1 - the Vector2d containing the initialization x y data
    • Vector2d

      public Vector2d(Vector2f v1)
      Constructs and initializes a Vector2d from the specified Vector2f.
      Parameters:
      v1 - the Vector2f containing the initialization x y data
    • Vector2d

      public Vector2d(Tuple2d t1)
      Constructs and initializes a Vector2d from the specified Tuple2d.
      Parameters:
      t1 - the Tuple2d containing the initialization x y data
    • Vector2d

      public Vector2d(Tuple2f t1)
      Constructs and initializes a Vector2d from the specified Tuple2f.
      Parameters:
      t1 - the Tuple2f containing the initialization x y data
    • Vector2d

      public Vector2d()
      Constructs and initializes a Vector2d to (0,0).
  • Method Details

    • dot

      public final double dot(Vector2d v1)
      Computes the dot product of the this vector and vector v1.
      Parameters:
      v1 - the other vector
    • length

      public final double length()
      Returns the length of this vector.
      Returns:
      the length of this vector
    • lengthSquared

      public final double lengthSquared()
      Returns the squared length of this vector.
      Returns:
      the squared length of this vector
    • normalize

      public final void normalize()
      Normalizes this vector in place.
    • normalize

      public final void normalize(Vector2d v1)
      Sets the value of this vector to the normalization of vector v1.
      Parameters:
      v1 - the un-normalized vector
    • angle

      public final double angle(Vector2d v1)
      Returns the angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].
      Parameters:
      v1 - the other vector
      Returns:
      the angle in radians in the range [0,PI]
    • clone

      public Object clone()
      Specified by:
      clone in class Tuple2d