Package javax.vecmath

Class Vector4d

    • Constructor Detail

      • Vector4d

        public Vector4d​(double x,
                        double y,
                        double z,
                        double w)
        Constructs and initializes a Vector4d from the specified xyzw coordinates.
        Parameters:
        x - the x coordinate
        y - the y coordinate
        z - the z coordinate
        w - the w coordinate
      • Vector4d

        public Vector4d​(double[] v)
        Constructs and initializes a Vector4d from the coordinates contained in the array.
        Parameters:
        v - the array of length 4 containing xyzw in order
      • Vector4d

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

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

        public Vector4d​(Tuple4f t1)
        Constructs and initializes a Vector4d from the specified Tuple4f.
        Parameters:
        t1 - the Tuple4f containing the initialization x y z w data
      • Vector4d

        public Vector4d​(Tuple4d t1)
        Constructs and initializes a Vector4d from the specified Tuple4d.
        Parameters:
        t1 - the Tuple4d containing the initialization x y z w data
      • Vector4d

        public Vector4d​(Tuple3d t1)
        Constructs and initializes a Vector4d from the specified Tuple3d. The x,y,z components of this vector are set to the corresponding components of tuple t1. The w component of this vector is set to 0.
        Parameters:
        t1 - the tuple to be copied
        Since:
        vecmath 1.2
      • Vector4d

        public Vector4d()
        Constructs and initializes a Vector4d to (0,0,0,0).
    • Method Detail

      • set

        public final void set​(Tuple3d t1)
        Sets the x,y,z components of this vector to the corresponding components of tuple t1. The w component of this vector is set to 0.
        Parameters:
        t1 - the tuple to be copied
        Since:
        vecmath 1.2
      • 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
      • dot

        public final double dot​(Vector4d v1)
        Returns the dot product of this vector and vector v1.
        Parameters:
        v1 - the other vector
        Returns:
        the dot product of this vector and vector 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 double angle​(Vector4d 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]