javax.media.j3d

Class SpotLightRetained

java.lang.Object

javax.media.j3d.IndexedObject

javax.media.j3d.SceneGraphObjectRetained

javax.media.j3d.NodeRetained

javax.media.j3d.LeafRetained

javax.media.j3d.LightRetained

javax.media.j3d.PointLightRetained

javax.media.j3d.SpotLightRetained

All Implemented Interfaces:

java.lang.Cloneable, NnuId

 class SpotLightRetained
extends PointLightRetained

A local spot light source object.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static int	ANGLE_CHANGED
(package private) float	concentration The spot light's concentration.
(package private) static int	CONCENTRATION_CHANGED
(package private) Vector3f	direction The spot light's direction.
(package private) static int	DIRECTION_CHANGED
(package private) float	spreadAngle The spot light's spread angle.
(package private) Vector3f	xformDirection

Fields inherited from class javax.media.j3d.PointLightRetained

attenuation, ATTENUATION_CHANGED, LAST_POINTLIGHT_DEFINED_BIT, linearAttenuationInEc, localToVworldScale, position, POSITION_CHANGED, quadraticAttenuationInEc, xformPosition

Fields inherited from class javax.media.j3d.LightRetained

boundingLeaf, BOUNDINGLEAF_CHANGED, BOUNDS_CHANGED, CLEAR_MIRROR, color, COLOR_CHANGED, ENABLE_CHANGED, environmentSets, inImmCtx, INIT_MIRROR, isNeeded, isScoped, isViewScoped, key, LAST_DEFINED_BIT, lightDirty, lightOn, lightType, mirrorLights, newlyAddedMirrorLights, numMirrorLights, region, regionOfInfluence, SCOPE_CHANGED, scopes, sgLight, sgLightDirty, targetThreads, tempKey

Fields inherited from class javax.media.j3d.LeafRetained

boundsDirty, switchState

Fields inherited from class javax.media.j3d.NodeRetained

ALTERNATEAPPEARANCE, AMBIENTLIGHT, apiBounds, BACKGROUND, BACKGROUNDSOUND, BEHAVIOR, BOUNDINGLEAF, boundsAutoCompute, BRANCHGROUP, branchGroupPaths, cachedBounds, childIndex, CLIP, collidable, CONESOUND, CONTAINS_VIEWPLATFORM, CURRENT_LOCAL_TO_VWORLD, DECALGROUP, DIRECTIONALLIGHT, EXPONENTIALFOG, geometryBackground, GROUP, inSharedGroup, LAST_LOCAL_TO_VWORLD, LINEARFOG, LINK, localBounds, locale, localToVworld, localToVworldIndex, localToVworldKeys, MODELCLIP, MORPH, nnuId, nodeId, nodeType, NUMNODES, ORDEREDGROUP, orderedId, ORIENTEDSHAPE3D, parent, parentSwitchLink, parentTransformLink, pickable, POINTLIGHT, POINTSOUND, refCount, SHAPE, SHAREDGROUP, SOUNDSCAPE, SPOTLIGHT, staticTransform, SWITCH, TRANSFORMGROUP, universe, validCachedBounds, VIEWPLATFORM, VIEWSPECIFICGROUP

Fields inherited from class javax.media.j3d.SceneGraphObjectRetained

DONT_MERGE, inBackgroundGroup, inSetLive, MERGE, MERGE_DONE, mergeFlag, onUpdateList, source

Fields inherited from class javax.media.j3d.IndexedObject

listIdx

Constructor Summary

Constructors

Constructor and Description
SpotLightRetained()

Method Summary

Methods

Modifier and Type	Method and Description
protected java.lang.Object	clone() Clones only the retained side, internal use only
(package private) float	getConcentration() Retrieves the spot light's concentration.
(package private) void	getDirection(Vector3f direction) Retrieves this light's direction and places it in the vector provided.
(package private) float	getSpreadAngle() Returns the spot light's spread angle.
(package private) void	initConcentration(float concentration) Initializes the spot light's concentration.
(package private) void	initDirection(float x, float y, float z) Initializes this light's direction from the three values provided.
(package private) void	initDirection(Vector3f direction) Initializes the spot light's direction from the vector provided.
(package private) void	initSpreadAngle(float spreadAngle) Initializes the spot light's spread angle.
(package private) void	mergeTransform(TransformGroupRetained xform)
(package private) void	sendMessage(int attrMask, java.lang.Object attr)
(package private) void	setConcentration(float concentration) Sets the spot light's concentration.
(package private) void	setDirection(float x, float y, float z) Sets this light's direction from the three values provided.
(package private) void	setDirection(Vector3f direction) Sets the spot light's direction from the vector provided.
(package private) void	setLive(SetLiveState s)
(package private) void	setSpreadAngle(float spreadAngle) Sets the spot light's spread angle.
(package private) void	update(Context ctx, int lightSlot, double scale) This update function, and its native counterpart, updates a spot light.
(package private) void	updateMirrorObject(java.lang.Object[] objs) This update function, and its native counterpart, updates a directional light.
(package private) void	updateTransformChange()

Methods inherited from class javax.media.j3d.PointLightRetained

doSetLive, getAttenuation, getPosition, initAttenuation, initAttenuation, initMessage, initPosition, initPosition, setAttenuation, setAttenuation, setPosition, setPosition, validateAttenuationInEc

Methods inherited from class javax.media.j3d.LightRetained

addScope, clearLive, clearMirrorObject, getAllScopes, getColor, getEnable, getInfluencingBoundingLeaf, getInfluencingBounds, getInImmCtx, getMirrorLight, getMirrorObjects, getScope, indexOfScope, initAddScope, initColor, initEnable, initInfluencingBoundingLeaf, initInfluencingBounds, initInsertScope, initMirrorObject, initRemoveAllScopes, initRemoveScope, initRemoveScope, initScope, insertScope, numScopes, removeAllScopes, removeScope, removeScope, setColor, setEnable, setInfluencingBoundingLeaf, setInfluencingBounds, setInImmCtx, setScope, updateBoundingLeaf, updateImmediateMirrorObject, updateImmediateTransformChange

Methods inherited from class javax.media.j3d.LeafRetained

clone, updateBounds

Methods inherited from class javax.media.j3d.NodeRetained

computeCombineBounds, computeNonLiveLocalToVworld, dirtyBoundsCache, equal, findCollidableFlags, findPickableFlags, findTransformLevels, getBounds, getBoundsAutoCompute, getCollidable, getCurrentLocalToVworld, getCurrentLocalToVworld, getCurrentLocalToVworld, getEffectiveBounds, getId, getLastLocalToVworld, getLastLocalToVworld, getLastLocalToVworld, getLocalBounds, getLocale, getLocalToVworld, getLocalToVworld, getLocalToVworld, getParent, getPickable, getVirtualUniverse, isStatic, merge, notifySceneGraphChanged, processViewSpecificInfo, recombineAbove, removeNodeData, searchGeometryAtoms, setAuxData, setBounds, setBoundsAutoCompute, setCollidable, setNodeData, setParent, setPickable, transformBounds, updateCollidable, updateLocalToVworld, updatePickable

Methods inherited from class javax.media.j3d.SceneGraphObjectRetained

clearLive, clearLive, compile, doSetLive, getSource, handleFrequencyChange, isInSetLive, markAsLive, setCompiled, setLive, setSource, traverse

Methods inherited from class javax.media.j3d.IndexedObject

getIdxUsed, incIdxUsed

Methods inherited from class java.lang.Object

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

Field Detail

DIRECTION_CHANGED

static final int DIRECTION_CHANGED

See Also:

Constant Field Values

ANGLE_CHANGED

static final int ANGLE_CHANGED

See Also:

Constant Field Values

CONCENTRATION_CHANGED

static final int CONCENTRATION_CHANGED

See Also:

Constant Field Values

direction

Vector3f direction

The spot light's direction.

xformDirection

Vector3f xformDirection

spreadAngle

float spreadAngle

The spot light's spread angle.

concentration

float concentration

The spot light's concentration.

Constructor Detail

SpotLightRetained

SpotLightRetained()

Method Detail

initSpreadAngle

void initSpreadAngle(float spreadAngle)

Initializes the spot light's spread angle.

Parameters:

spreadAngle - the light's spread angle

setLive

void setLive(SetLiveState s)

Overrides:

setLive in class PointLightRetained

setSpreadAngle

void setSpreadAngle(float spreadAngle)

Sets the spot light's spread angle.

Parameters:

spreadAngle - the light's spread angle

getSpreadAngle

float getSpreadAngle()

Returns the spot light's spread angle.

Returns:

the spread angle of the light

initConcentration

void initConcentration(float concentration)

Initializes the spot light's concentration.

Parameters:

concentration - the concentration of the light

setConcentration

void setConcentration(float concentration)

Sets the spot light's concentration.

Parameters:

concentration - the concentration of the light

getConcentration

float getConcentration()

Retrieves the spot light's concentration.

Returns:

the concentration of the light

initDirection

void initDirection(Vector3f direction)

Initializes the spot light's direction from the vector provided.

Parameters:

direction - the new direction of the light

setDirection

void setDirection(Vector3f direction)

Sets the spot light's direction from the vector provided.

Parameters:

direction - the new direction of the light

initDirection

void initDirection(float x,
                 float y,
                 float z)

Initializes this light's direction from the three values provided.

Parameters:

x - the new x direction

y - the new y direction

z - the new z direction

setDirection

void setDirection(float x,
                float y,
                float z)

Sets this light's direction from the three values provided.

Parameters:

x - the new x direction

y - the new y direction

z - the new z direction

getDirection

void getDirection(Vector3f direction)

Retrieves this light's direction and places it in the vector provided.

Parameters:

direction - the variable to receive the direction vector

update

void update(Context ctx,
          int lightSlot,
          double scale)

This update function, and its native counterpart, updates a spot light. This includes its color, attenuation, transformed position, spread angle, concentration, and its transformed position.

Overrides:

update in class PointLightRetained

updateMirrorObject

void updateMirrorObject(java.lang.Object[] objs)

This update function, and its native counterpart, updates a directional light. This includes its color and its transformed direction.

Overrides:

updateMirrorObject in class PointLightRetained

clone

protected java.lang.Object clone()

Description copied from class: LightRetained

Clones only the retained side, internal use only

Overrides:

clone in class PointLightRetained

updateTransformChange

void updateTransformChange()

Overrides:

updateTransformChange in class PointLightRetained

sendMessage

final void sendMessage(int attrMask,
               java.lang.Object attr)

Overrides:

sendMessage in class PointLightRetained

mergeTransform

void mergeTransform(TransformGroupRetained xform)

Overrides:

mergeTransform in class PointLightRetained