com.sun.j3d.utils.picking.behaviors
Class PickMouseBehavior

java.lang.Object
  |
  +--javax.media.j3d.SceneGraphObject
        |
        +--javax.media.j3d.Node
              |
              +--javax.media.j3d.Leaf
                    |
                    +--javax.media.j3d.Behavior
                          |
                          +--com.sun.j3d.utils.picking.behaviors.PickMouseBehavior

Direct Known Subclasses:

PickRotateBehavior, PickTranslateBehavior, PickZoomBehavior

public abstract class PickMouseBehavior

extends javax.media.j3d.Behavior

Base class that allows users to adding picking and mouse manipulation to the scene graph (see PickDragBehavior for an example of how to extend this base class). This class is useful for interactive apps.

Field Summary

protected boolean	buttonPress
protected javax.media.j3d.WakeupCriterion[]	conditions
protected javax.media.j3d.TransformGroup	currGrp
protected static boolean	debug
protected java.awt.event.MouseEvent	mevent
protected PickCanvas	pickCanvas
protected javax.media.j3d.WakeupOr	wakeupCondition

Fields inherited from class javax.media.j3d.Node

ALLOW_AUTO_COMPUTE_BOUNDS_READ, ALLOW_AUTO_COMPUTE_BOUNDS_WRITE, ALLOW_BOUNDS_READ, ALLOW_BOUNDS_WRITE, ALLOW_COLLIDABLE_READ, ALLOW_COLLIDABLE_WRITE, ALLOW_LOCAL_TO_VWORLD_READ, ALLOW_PICKABLE_READ, ALLOW_PICKABLE_WRITE, ENABLE_COLLISION_REPORTING, ENABLE_PICK_REPORTING

Constructor Summary

PickMouseBehavior(javax.media.j3d.Canvas3D canvas, javax.media.j3d.BranchGroup root, javax.media.j3d.Bounds bounds)
Creates a PickMouseBehavior given current canvas, root of the tree to operate on, and the bounds.

Method Summary

int	getMode() Returns the pickMode
float	getTolerance() Returns the pick tolerance
void	initialize()
void	processStimulus(java.util.Enumeration criteria)
void	setMode(int pickMode) Sets the pick mode
void	setTolerance(float tolerance) Sets the pick tolerance
abstract void	updateScene(int xpos, int ypos) Subclasses shall implement this update function

Methods inherited from class javax.media.j3d.Behavior

getEnable, getSchedulingBoundingLeaf, getSchedulingBounds, getView, postId, setEnable, setSchedulingBoundingLeaf, setSchedulingBounds, updateNodeReferences, wakeupOn

Methods inherited from class javax.media.j3d.Node

cloneNode, cloneTree, cloneTree, cloneTree, cloneTree, cloneTree, cloneTree, duplicateNode, getBounds, getBoundsAutoCompute, getCollidable, getLocalToVworld, getLocalToVworld, getParent, getPickable, setBounds, setBoundsAutoCompute, setCollidable, setPickable

Methods inherited from class javax.media.j3d.SceneGraphObject

clearCapability, duplicateSceneGraphObject, getCapability, getUserData, isCompiled, isLive, setCapability, setUserData

Methods inherited from class java.lang.Object

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

Field Detail

pickCanvas

protected PickCanvas pickCanvas

conditions

protected javax.media.j3d.WakeupCriterion[] conditions

wakeupCondition

protected javax.media.j3d.WakeupOr wakeupCondition

buttonPress

protected boolean buttonPress

currGrp

protected javax.media.j3d.TransformGroup currGrp

debug

protected static final boolean debug

mevent

protected java.awt.event.MouseEvent mevent

Constructor Detail

PickMouseBehavior

public PickMouseBehavior(javax.media.j3d.Canvas3D canvas,
                         javax.media.j3d.BranchGroup root,
                         javax.media.j3d.Bounds bounds)

Creates a PickMouseBehavior given current canvas, root of the tree to operate on, and the bounds.

Method Detail

setMode

public void setMode(int pickMode)

Sets the pick mode

See Also:

PickTool.setMode(int)

getMode

public int getMode()

Returns the pickMode

See Also:

PickTool.getMode()

setTolerance

public void setTolerance(float tolerance)

Sets the pick tolerance

See Also:

PickCanvas.setTolerance(float)

getTolerance

public float getTolerance()

Returns the pick tolerance

See Also:

PickCanvas.getTolerance()

initialize

public void initialize()

Overrides:

initialize in class javax.media.j3d.Behavior

processStimulus

public void processStimulus(java.util.Enumeration criteria)

Overrides:

processStimulus in class javax.media.j3d.Behavior

updateScene

public abstract void updateScene(int xpos,
                                 int ypos)

Subclasses shall implement this update function