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Class java.vecmath.Vector4f 

java.lang.Object
   |
   +----java.vecmath.Tuple4f
           |
           +----java.vecmath.Vector4f
public class Vector4f
extends Tuple4f
A 4 element vector represented by single precision floating point x,y,z,w coordinates.

Constructor Index

o Vector4f()
Constructs and initializes a Vector4f to (0,0,0,0).
o Vector4f(float, float, float, float)
Constructs and initializes a Vector4f from the specified xyzw coordinates.
o Vector4f(float[])
Constructs and initializes a Vector4f from the array of length 4.
o Vector4f(Vector4d)
Constructs and initializes a Vector4f from the specified Vector4d.
o Vector4f(Vector4f)
Constructs and initializes a Vector4f from the specified Vector4f.

Method Index

o angle(Vector4f)
Returns the (4-space) angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].
o dot(Vector4f)
returns the dot product of this vector and v1
o length()
Returns the length of this vector.
o lengthSquared()
Returns the squared length of this vector
o normalize()
Normalizes this vector in place.
o normalize(Vector4f)
Sets the value of this vector to the normalization of vector v1.

Constructors

o 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
o Vector4f 
 public Vector4f(float v[])
Constructs and initializes a Vector4f from the array of length 4.

Parameters:
v - the array of length 4 containing xyzw in order
o 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
o 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
o Vector4f 
 public Vector4f()
Constructs and initializes a Vector4f to (0,0,0,0).

Methods

o length 
 public final float length()
Returns the length of this vector.

Returns:
the length of this vector as a float
o lengthSquared 
 public final float lengthSquared()
Returns the squared length of this vector

Returns:
the squared length of this vector as a float
o dot 
 public final float dot(Vector4f v1)
returns the dot product of this vector and v1

Parameters:
v1 - the other vector
Returns:
the dot product of this vector and v1
o normalize 
 public final void normalize(Vector4f v1)
Sets the value of this vector to the normalization of vector v1.

Parameters:
v1 - the un-normalized vector
o normalize 
 public final void normalize()
Normalizes this vector in place.

o 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] 
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