javax.vecmath
Class Point3f

java.lang.Object
  extended by javax.vecmath.Tuple3f
      extended by javax.vecmath.Point3f
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable

public class Point3f
extends Tuple3f
implements java.io.Serializable

A 3 element point that is represented by single precision floating point x,y,z coordinates.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class javax.vecmath.Tuple3f
x, y, z
 
Constructor Summary
Point3f()
          Constructs and initializes a Point3f to (0,0,0).
Point3f(float[] p)
          Constructs and initializes a Point3f from the array of length 3.
Point3f(float x, float y, float z)
          Constructs and initializes a Point3f from the specified xyz coordinates.
Point3f(Point3d p1)
          Constructs and initializes a Point3f from the specified Point3d.
Point3f(Point3f p1)
          Constructs and initializes a Point3f from the specified Point3f.
Point3f(Tuple3d t1)
          Constructs and initializes a Point3f from the specified Tuple3d.
Point3f(Tuple3f t1)
          Constructs and initializes a Point3f from the specified Tuple3f.
 
Method Summary
 float distance(Point3f p1)
          Computes the distance between this point and point p1.
 float distanceL1(Point3f p1)
          Computes the L-1 (Manhattan) distance between this point and point p1.
 float distanceLinf(Point3f p1)
          Computes the L-infinite distance between this point and point p1.
 float distanceSquared(Point3f p1)
          Computes the square of the distance between this point and point p1.
 void project(Point4f p1)
          Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.
 
Methods inherited from class javax.vecmath.Tuple3f
absolute, absolute, add, add, clamp, clamp, clampMax, clampMax, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub, toString
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Point3f

public Point3f(float x,
               float y,
               float z)
Constructs and initializes a Point3f from the specified xyz coordinates.

Parameters:
x - the x coordinate
y - the y coordinate
z - the z coordinate

Point3f

public Point3f(float[] p)
Constructs and initializes a Point3f from the array of length 3.

Parameters:
p - the array of length 3 containing xyz in order

Point3f

public Point3f(Point3f p1)
Constructs and initializes a Point3f from the specified Point3f.

Parameters:
p1 - the Point3f containing the initialization x y z data

Point3f

public Point3f(Point3d p1)
Constructs and initializes a Point3f from the specified Point3d.

Parameters:
p1 - the Point3d containing the initialization x y z data

Point3f

public Point3f(Tuple3f t1)
Constructs and initializes a Point3f from the specified Tuple3f.

Parameters:
t1 - the Tuple3f containing the initialization x y z data

Point3f

public Point3f(Tuple3d t1)
Constructs and initializes a Point3f from the specified Tuple3d.

Parameters:
t1 - the Tuple3d containing the initialization x y z data

Point3f

public Point3f()
Constructs and initializes a Point3f to (0,0,0).

Method Detail

distanceSquared

public final float distanceSquared(Point3f p1)
Computes the square of the distance between this point and point p1.

Parameters:
p1 - the other point
Returns:
the square of the distance

distance

public final float distance(Point3f p1)
Computes the distance between this point and point p1.

Parameters:
p1 - the other point
Returns:
the distance

distanceL1

public final float distanceL1(Point3f p1)
Computes the L-1 (Manhattan) distance between this point and point p1. The L-1 distance is equal to: abs(x1-x2) + abs(y1-y2) + abs(z1-z2).

Parameters:
p1 - the other point
Returns:
the L-1 distance

distanceLinf

public final float distanceLinf(Point3f p1)
Computes the L-infinite distance between this point and point p1. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2)].

Parameters:
p1 - the other point
Returns:
the L-infinite distance

project

public final void project(Point4f p1)
Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.

Parameters:
p1 - the source Point4f, which is not modified


Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.