Class Sphere

java.lang.Object

cnuphys.adaptiveSwim.geometry.Sphere

public class Sphere
extends Object

A sphere centered at an arbitrary point

Author:

heddle

Constructor Summary

Constructors

Constructor	Description
Sphere(Point center, double radius)	Create a sphere

Method Summary

Modifier and Type	Method	Description
double	distance(double x, double y, double z)	Get the shortest distance between the surface of this sphere and a point.
double	distance(Point p)	Get the shortest distance between the surface of this sphere and a point.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Sphere

public Sphere(Point center,
 double radius)

Create a sphere

Parameters:

center - the center of the sphere

radius - the radius of the sphere

Method Details

distance

public double distance(Point p)

Get the shortest distance between the surface of this sphere and a point. If the value is negative, we are inside the sphere.

Parameters:

p - a point

Returns:

the distance to the sphere

distance

public double distance(double x,
 double y,
 double z)

Get the shortest distance between the surface of this sphere and a point. If the value is negative, we are inside the sphere.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

Returns:

the distance to the sphere