physics3d
Class Sphere

java.lang.Object
  physics3d.Sphere

All Implemented Interfaces:

PhysicsShape

public class Sphere
extends Object
implements PhysicsShape

Sphere represents a sphere in 3 space

Specification Fields

• centerPoint : Vect3 // point of center of sphere
• radius : double // radius of sphere
• texture : String // texture of this object

Constructor Summary

Sphere(double cx, double cy, double cz, double r, String texture)

Sphere(Vect3 center, double r)

Sphere(Vect3 center, double r, String texture)

Method Summary

boolean	containsPoint(Vect3 p)
Vect3	getCenter()
double	getRadius()
ShapeClassification	getShapeClassification()
String	getTexture()
double	minDistanceToObjectFromP(Vect3 p)
Sphere	rotateAboutCwithAxisAandAngleT(Vect3 center, Vect3 axis, Angle tAngle)
String	toString()
Sphere	translateByT(Vect3 t)

Methods inherited from class java.lang.Object

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

Constructor Detail

Sphere

public Sphere(Vect3 center,
              double r,
              String texture)

Parameters:

center - the center point of the circle

r - the radius of the circle

Requires:

r >= 0, center != null, texture != null

Effects:

Creates a new circle with the specified size and location.

Sphere

public Sphere(Vect3 center,
              double r)

Parameters:

center - the center point of the circle

r - the radius of the circle

Requires:

r >= 0, center != null

Effects:

Creates a new circle with the specified size and location.

Sphere

public Sphere(double cx,
              double cy,
              double cz,
              double r,
              String texture)

Parameters:

cx - the x coordinate of the center point of the circle

cy - the y coordinate of the center point of the circle

cz - the z coordinate of the center point of the circle

r - the radius of the circle

Requires:

r >= 0

Effects:

Creates a new circle with the specified size and location.

Method Detail

getCenter

public Vect3 getCenter()

Returns:

the center point of this circle.

getRadius

public double getRadius()

Returns:

the radius of this circle.

getTexture

public String getTexture()

Returns:

texture of this object

containsPoint

public boolean containsPoint(Vect3 p)

Specified by:

containsPoint in interface PhysicsShape

Returns:

true if Vect3.isAbout(this.minDistanceToObjectFromP(p),0), false otherwise

Requires:

p != null

minDistanceToObjectFromP

public double minDistanceToObjectFromP(Vect3 p)

Specified by:

minDistanceToObjectFromP in interface PhysicsShape

Returns:

the minimum distance between p and this

Requires:

p is not null

rotateAboutCwithAxisAandAngleT

public Sphere rotateAboutCwithAxisAandAngleT(Vect3 center,
                                             Vect3 axis,
                                             Angle tAngle)

Specified by:

rotateAboutCwithAxisAandAngleT in interface PhysicsShape

Returns:

A Sphere rotated about the line created by center and axis counterclockwise by an amount tAngle with same texture.

Requires:

center != null, axis != null, axis.rho() > 0, tAngle != null.

translateByT

public Sphere translateByT(Vect3 t)

Specified by:

translateByT in interface PhysicsShape

Returns:

A Sphere translated by t with same texture

Requires:

t != null

toString

public String toString()

Overrides:

toString in class Object

getShapeClassification

public ShapeClassification getShapeClassification()

Specified by:

getShapeClassification in interface PhysicsShape