com.jme3.math

Class Ring

java.lang.Object

com.jme3.math.Ring

All Implemented Interfaces:

Savable, java.io.Serializable, java.lang.Cloneable

public final class Ring
extends java.lang.Object
implements Savable, java.lang.Cloneable, java.io.Serializable

Ring defines a flat ring or disc in three-dimensional space that is specified via the ring's center point, an up vector, an inner radius, and an outer radius.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Ring() Constructor creates a new Ring lying on the XZ plane, centered at the origin, with an inner radius of zero and an outer radius of one (a unit disk).
Ring(Vector3f center, Vector3f up, float innerRadius, float outerRadius) Constructor creates a new Ring with defined center point, up vector, and inner and outer radii.

Method Summary

Modifier and Type	Method and Description
Ring	clone() Create a copy of this ring.
Vector3f	getCenter() getCenter returns the center of the ring.
float	getInnerRadius() getInnerRadius returns the ring's inner radius.
float	getOuterRadius() getOuterRadius returns the ring's outer radius.
Vector3f	getUp() getUp returns the ring's up vector.
Vector3f	random() random returns a random point within the ring.
Vector3f	random(Vector3f result) random returns a random point within the ring.
void	read(JmeImporter e) De-serialize this ring from the specified importer, for example when loading from a J3O file.
void	setCenter(Vector3f center) setCenter sets the center of the ring.
void	setInnerRadius(float innerRadius) setInnerRadius sets the ring's inner radius.
void	setOuterRadius(float outerRadius) setOuterRadius sets the ring's outer radius.
void	setUp(Vector3f up) setUp sets the ring's up vector.
void	write(JmeExporter e) Serialize this ring to the specified exporter, for example when saving to a J3O file.

Methods inherited from class java.lang.Object

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

Constructor Detail

Ring

public Ring()

Constructor creates a new Ring lying on the XZ plane, centered at the origin, with an inner radius of zero and an outer radius of one (a unit disk).

Ring

public Ring(Vector3f center,
            Vector3f up,
            float innerRadius,
            float outerRadius)

Constructor creates a new Ring with defined center point, up vector, and inner and outer radii.

Parameters:

center - the center of the ring.

up - the unit up vector defining the ring's orientation.

innerRadius - the ring's inner radius.

outerRadius - the ring's outer radius.

Method Detail

getCenter

public Vector3f getCenter()

getCenter returns the center of the ring.

Returns:

the center of the ring.

setCenter

public void setCenter(Vector3f center)

setCenter sets the center of the ring.

Parameters:

center - the center of the ring.

getUp

public Vector3f getUp()

getUp returns the ring's up vector.

Returns:

the ring's up vector.

setUp

public void setUp(Vector3f up)

setUp sets the ring's up vector.

Parameters:

up - the ring's up vector.

getInnerRadius

public float getInnerRadius()

getInnerRadius returns the ring's inner radius.

Returns:

the ring's inner radius.

setInnerRadius

public void setInnerRadius(float innerRadius)

setInnerRadius sets the ring's inner radius.

Parameters:

innerRadius - the ring's inner radius.

getOuterRadius

public float getOuterRadius()

getOuterRadius returns the ring's outer radius.

Returns:

the ring's outer radius.

setOuterRadius

public void setOuterRadius(float outerRadius)

setOuterRadius sets the ring's outer radius.

Parameters:

outerRadius - the ring's outer radius.

random

public Vector3f random()

random returns a random point within the ring.

Returns:

a random point within the ring.

random

public Vector3f random(Vector3f result)

random returns a random point within the ring.

Parameters:

result - Vector to store result in

Returns:

a random point within the ring.

write

public void write(JmeExporter e)
           throws java.io.IOException

Serialize this ring to the specified exporter, for example when saving to a J3O file.

Specified by:

write in interface Savable

Parameters:

e - (not null)

Throws:

java.io.IOException - from the exporter

read

public void read(JmeImporter e)
          throws java.io.IOException

De-serialize this ring from the specified importer, for example when loading from a J3O file.

Specified by:

read in interface Savable

Parameters:

e - (not null)

Throws:

java.io.IOException - from the importer

clone

public Ring clone()

Create a copy of this ring.

Overrides:

clone in class java.lang.Object

Returns:

a new instance, equivalent to this one