Module vecmath
Package javax.vecmath

Class Vector4f

java.lang.Object
javax.vecmath.Tuple4f
javax.vecmath.Vector4f
All Implemented Interfaces:
Serializable, Cloneable
public class Vector4f extends Tuple4f implements Serializable
A 4 element vector that is represented by single precision floating point x,y,z,w coordinates.
Version:
specification 1.1, implementation $Revision: 1.9 $, $Date: 1999/10/05 07:03:50 $
Author:
Kenji hiranabe
See Also:

  • Constructor Details

    • Vector4f

      public Vector4f(float x, float y, float z, float w)
      Constructs and initializes a Vector4f from the specified xyzw coordinates.
      Parameters:
      x - the x coordinate
      y - the y coordinate
      z - the z coordinate
      w - the w coordinate

    • Vector4f

      public Vector4f(float[] v)
      Constructs and initializes a Vector4f from the specified array of length 4.
      Parameters:
      v - the array of length 4 containing xyzw in order

    • Vector4f

      public Vector4f(Vector4f v1)
      Constructs and initializes a Vector4f from the specified Vector4f.
      Parameters:
      v1 - the Vector4f containing the initialization x y z w data

    • Vector4f

      public Vector4f(Vector4d v1)
      Constructs and initializes a Vector4f from the specified Vector4d.
      Parameters:
      v1 - the Vector4d containing the initialization x y z w data

    • Vector4f

      public Vector4f(Tuple4d t1)
      Constructs and initializes a Vector4f from the specified Tuple4d.
      Parameters:
      t1 - the Tuple4d containing the initialization x y z w data

    • Vector4f

      public Vector4f(Tuple4f t1)
      Constructs and initializes a Vector4f from the specified Tuple4f.
      Parameters:
      t1 - the Tuple4f containing the initialization x y z w data

    • Vector4f

      public Vector4f()
      Constructs and initializes a Vector4f to (0,0,0,0).

    • Vector4f

      public Vector4f(Tuple3f t1)
      Constructs and initializes a Vector4f from the specified Tuple3f. The x,y,z components of this point are set to the corresponding components of tuple t1. The w component of this point is set to 0.
      Parameters:
      t1 - the tuple to be copied
      Since:
      Java3D 1.2

  • Method Details

    • set

      public final void set(Tuple3f t1)
      Sets the x,y,z components of this point to the corresponding components of tuple t1. The w component of this point is set to 1.
      Parameters:
      t1 - the tuple to be copied
      Since:
      Java3D 1.2

    • lengthSquared

      public final float lengthSquared()
      Returns the squared length of this vector.
      Returns:
      the squared length of this vectoras a float

    • length

      public final float length()
      Returns the length of this vector.
      Returns:
      the length of this vector as a float

    • dot

      public final float dot(Vector4f v1)
      Computes the dot product of the this vector and vector v1.
      Parameters:
      v1 - the other vector
      Returns:
      the dot product of this vector and v1

    • normalize

      public final void normalize(Vector4d v1)
      Sets the value of this vector to the normalization of vector v1.
      Parameters:
      v1 - the un-normalized vector

    • normalize

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

    • angle

      public final float angle(Vector4f v1)
      Returns the (4-space) 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 Tuple4f