Package org.jmol.util

Class Vector3f

java.lang.Object

org.jmol.util.Tuple3f

org.jmol.util.Vector3f

public class Vector3f
extends Tuple3f

A 3-element vector that is represented by single precision floating point x,y,z coordinates. If this value represents a normal, then it should be normalized.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jmol.util.Tuple3f

x, y, z

Constructor Summary

Constructors

Constructor	Description
Vector3f()

Method Summary

Modifier and Type	Method	Description
float	angle(Vector3f v1)	Returns the angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].
void	cross(Vector3f v1, Vector3f v2)	Sets this vector to be the vector cross product of vectors v1 and v2.
float	dot(Vector3f v)	Computes the dot product of the this vector and vector v.
float	length()	Returns the length of this vector.
float	lengthSquared()	Returns the squared length of this vector.
static Vector3f	new3(float x, float y, float z)
static Vector3f	newV(Tuple3f t)
void	normalize()	Normalizes this vector in place.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from class org.jmol.util.Tuple3f

add, add2, equals, hashCode, scale, scaleAdd, scaleAdd2, set, setA, setT, sub, sub2, toString

Constructor Detail

Vector3f

public Vector3f()

Method Detail

newV

public static Vector3f newV(Tuple3f t)

new3

public static Vector3f new3(float x,
                            float y,
                            float z)

lengthSquared

public final float lengthSquared()

Returns the squared length of this vector.

Returns:

the squared length of this vector

length

public final float length()

Returns the length of this vector.

Returns:

the length of this vector

cross

public final void cross(Vector3f v1,
                        Vector3f v2)

Sets this vector to be the vector cross product of vectors v1 and v2.

Parameters:

v1 - the first vector

v2 - the second vector

dot

public final float dot(Vector3f v)

Computes the dot product of the this vector and vector v.

Parameters:

v - the other vector

Returns:

this.dot.v

normalize

public final void normalize()

Normalizes this vector in place.

angle

public final float angle(Vector3f 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]