Package com.jme3.bullet.collision.shapes

Class MultiSphere

java.lang.Object

com.jme3.bullet.NativePhysicsObject

com.jme3.bullet.collision.shapes.CollisionShape

com.jme3.bullet.collision.shapes.ConvexShape

com.jme3.bullet.collision.shapes.MultiSphere

All Implemented Interfaces:

com.jme3.export.Savable, com.jme3.util.clone.JmeCloneable, Cloneable, Comparable<NativePhysicsObject>

public class MultiSphere
extends ConvexShape

A convex collision shape based on Bullet's btMultiSphereShape. Unlike a CapsuleCollisionShape or a SphereCollisionShape, these shapes have margins and can be scaled non-uniformly.

Field Summary

Fields

Modifier and Type	Field	Description
static final Logger	logger2	message logger for this class

Fields inherited from class com.jme3.bullet.collision.shapes.ConvexShape

loggerX

Fields inherited from class com.jme3.bullet.collision.shapes.CollisionShape

enableContactFilter, logger, margin, scale

Fields inherited from class com.jme3.bullet.NativePhysicsObject

loggerN

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MultiSphere()	No-argument constructor needed by SavableClassUtil.
	MultiSphere(float radius)	Instantiate a centered sphere shape with the specified radius.
	MultiSphere(float radius, float height)	Instantiate a centered Y-axis capsule shape with the specified radius and height.
	MultiSphere(float radius, float height, int axisIndex)	Instantiate a centered capsule shape with the specified radius, height, and axis.
	MultiSphere(com.jme3.bounding.BoundingSphere boundingSphere)	Instantiate an eccentric sphere shape to match the specified BoundingSphere.
	MultiSphere(com.jme3.math.Vector3f[] centers, float... radii)	Instantiate a multi-sphere shape with the specified centers and radii.
	MultiSphere(com.jme3.math.Vector3f center, float radius)	Instantiate an eccentric sphere shape with the specified center and radius.
	MultiSphere(List<com.jme3.math.Vector3f> centers, List<Float> radii)	Instantiate a multi-sphere shape with the specified centers and radii.
	MultiSphere(jme3utilities.math.RectangularSolid rectangularSolid)	Instantiate a 4-sphere shape to fill the specified RectangularSolid.
	MultiSphere(jme3utilities.math.RectangularSolid rectangularSolid, float fraction)	Instantiate a 2-sphere shape to approximate the specified RectangularSolid.

Method Summary

Modifier and Type	Method	Description
void	cloneFields(com.jme3.util.clone.Cloner cloner, Object original)	Callback from Cloner to convert this shallow-cloned shape into a deep-cloned one, using the specified Cloner and original to resolve copied fields.
com.jme3.math.Vector3f	copyCenter(int sphereIndex, com.jme3.math.Vector3f storeResult)	Copy the location of the center of the indexed sphere.
int	countSpheres()	Count the spheres in this shape.
float	getRadius(int sphereIndex)	Return the radius of the indexed sphere.
void	read(com.jme3.export.JmeImporter importer)	De-serialize this shape from the specified importer, for example when loading from a J3O file.
protected void	recalculateAabb()	Recalculate this shape's bounding box if necessary.
float	scaledVolume()	Estimate the volume of the shape, including scale and margin.
HullCollisionShape	toHullShape()	Approximate this shape with a HullCollisionShape.
void	write(com.jme3.export.JmeExporter exporter)	Serialize this shape to the specified exporter, for example when saving to a J3O file.

Methods inherited from class com.jme3.bullet.collision.shapes.ConvexShape

isConcave, isConvex, toSplittableShape

Methods inherited from class com.jme3.bullet.collision.shapes.CollisionShape

aabbCenter, aabbScaledVolume, boundingBox, boundingBox, canScale, canSplit, getDefaultMargin, getMargin, getScale, getScaleDp, getShapeType, getShapeType, isContactFilterEnabled, isInfinite, isNonMoving, isPolyhedral, jmeClone, maxRadius, nativeMargin, setContactFilterEnabled, setDefaultMargin, setMargin, setNativeId, setScale, setScale, toString, updateScale

Methods inherited from class com.jme3.bullet.NativePhysicsObject

compareTo, countTrackers, dumpTrackers, equals, freeUnusedObjects, hasAssignedNativeObject, hashCode, nativeId, reassignNativeId, setNativeIdNotTracked, unassignNativeObject

Methods inherited from class java.lang.Object

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

Field Details

logger2

public static final Logger logger2

message logger for this class

Constructor Details

MultiSphere

protected MultiSphere()

No-argument constructor needed by SavableClassUtil.

MultiSphere

public MultiSphere(float radius)

Instantiate a centered sphere shape with the specified radius.

Parameters:

radius - the desired radius (in shape units, ≥0)

MultiSphere

public MultiSphere(float radius,
 float height)

Instantiate a centered Y-axis capsule shape with the specified radius and height.

Parameters:

radius - the desired radius (in shape units, ≥0)

height - the desired height of the cylindrical portion (in shape units, ≥0)

MultiSphere

public MultiSphere(float radius,
 float height,
 int axisIndex)

Instantiate a centered capsule shape with the specified radius, height, and axis.

Parameters:

radius - the desired radius (in shape units, ≥0)

height - the desired height of the cylindrical portion (in shape units, ≥0)

axisIndex - which local axis to use for the height: 0→X, 1→Y, 2→Z

MultiSphere

public MultiSphere(com.jme3.bounding.BoundingSphere boundingSphere)

Instantiate an eccentric sphere shape to match the specified BoundingSphere.

Parameters:

boundingSphere - (not null, unaffected)

MultiSphere

public MultiSphere(List<com.jme3.math.Vector3f> centers,
 List<Float> radii)

Instantiate a multi-sphere shape with the specified centers and radii.

Parameters:

centers - the list of center locations (in shape coordinates, not null, not empty)

radii - the list of radii (in shape units, not null, not empty, each ≥0)

MultiSphere

public MultiSphere(jme3utilities.math.RectangularSolid rectangularSolid)

Instantiate a 4-sphere shape to fill the specified RectangularSolid. The spheres will be of equal size, arranged in a rectangle.

Parameters:

rectangularSolid - the solid on which to base the shape (not null)

MultiSphere

public MultiSphere(jme3utilities.math.RectangularSolid rectangularSolid,
 float fraction)

Instantiate a 2-sphere shape to approximate the specified RectangularSolid. The spheres will be of equal size, as in a capsule.

Parameters:

rectangularSolid - the solid on which to base the shape (not null)

fraction - used to determine sphere radii (0→shortest axis, 1→medium axis)

MultiSphere

public MultiSphere(com.jme3.math.Vector3f center,
 float radius)

Instantiate an eccentric sphere shape with the specified center and radius.

Parameters:

center - the location of the center (in shape coordinates, not null, unaffected)

radius - the desired radius (in shape units, ≥0)

MultiSphere

public MultiSphere(com.jme3.math.Vector3f[] centers,
 float... radii)

Instantiate a multi-sphere shape with the specified centers and radii.

Parameters:

centers - the array of center locations (in shape coordinates, not null, not empty)

radii - the array of radii (in shape units, not null, not empty, each ≥0)

Method Details

copyCenter

public com.jme3.math.Vector3f copyCenter(int sphereIndex,
 com.jme3.math.Vector3f storeResult)

Copy the location of the center of the indexed sphere.

Parameters:

sphereIndex - which sphere to read (≥0)

storeResult - storage for the result (modified if not null)

Returns:

the center location (in shape coordinates, either storeResult or a new instance, not null)

countSpheres

public int countSpheres()

Count the spheres in this shape.

Returns:

the count (>0)

getRadius

public float getRadius(int sphereIndex)

Return the radius of the indexed sphere.

Parameters:

sphereIndex - which sphere to read (≥0)

Returns:

the unscaled radius (≥0)

cloneFields

public void cloneFields(com.jme3.util.clone.Cloner cloner,
 Object original)

Callback from Cloner to convert this shallow-cloned shape into a deep-cloned one, using the specified Cloner and original to resolve copied fields.

Specified by:

cloneFields in interface com.jme3.util.clone.JmeCloneable

Overrides:

cloneFields in class CollisionShape

Parameters:

cloner - the Cloner that's cloning this shape (not null)

original - the instance from which this shape was shallow-cloned (not null, unaffected)

read

public void read(com.jme3.export.JmeImporter importer)
          throws IOException

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

Specified by:

read in interface com.jme3.export.Savable

Overrides:

read in class CollisionShape

Parameters:

importer - (not null)

Throws:

IOException - from the importer

recalculateAabb

protected void recalculateAabb()

Recalculate this shape's bounding box if necessary.

Overrides:

recalculateAabb in class CollisionShape

scaledVolume

public float scaledVolume()

Estimate the volume of the shape, including scale and margin.

Overrides:

scaledVolume in class ConvexShape

Returns:

the volume (in physics-space units cubed, ≥0)

toHullShape

public HullCollisionShape toHullShape()

Approximate this shape with a HullCollisionShape.

Overrides:

toHullShape in class ConvexShape

Returns:

a new shape

write

public void write(com.jme3.export.JmeExporter exporter)
           throws IOException

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

Specified by:

write in interface com.jme3.export.Savable

Overrides:

write in class CollisionShape

Parameters:

exporter - (not null)

Throws:

IOException - from the exporter