org.j3d.aviatrix3d.pipeline.graphics
Class ViewportCollection

java.lang.Object
  org.j3d.aviatrix3d.pipeline.graphics.ViewportCollection

public class ViewportCollection
extends java.lang.Object

Data holder that passes the information about what is to be rendered from a single layer (with multiple viewports, potentially) from the output of the GraphicsCullStage through to the GraphicsSortStage.

Version:

$Revision: 3.2 $

Author:

Justin Couch

Field Summary

int	numViewports The number of valid viewports to render in this layer
ViewportLayerCollection[]	viewports Listing of valid viewports to render from this latyer

Constructor Summary

ViewportCollection()
Create a default bucket for handling a layer that defaults to having a single scene.

ViewportCollection(int layerCount)
Create a bucket for handling a layer that can hold the given number of scenes to be rendered.

Method Summary

void	ensureCapacity(int size) Ensure that there are enough items in the scenes array for the given number of scenes to be processed.

Methods inherited from class java.lang.Object

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

Field Detail

viewports

public ViewportLayerCollection[] viewports

Listing of valid viewports to render from this latyer

numViewports

public int numViewports

The number of valid viewports to render in this layer

Constructor Detail

ViewportCollection

public ViewportCollection()

Create a default bucket for handling a layer that defaults to having a single scene.

ViewportCollection

public ViewportCollection(int layerCount)
                   throws java.lang.IllegalArgumentException

Create a bucket for handling a layer that can hold the given number of scenes to be rendered. If the value is <= 0 an exception is generated

Parameters:

layerCount - The number of scenes to be handled

Throws:

java.lang.IllegalArgumentException - The size was non-positive

Method Detail

ensureCapacity

public void ensureCapacity(int size)

Ensure that there are enough items in the scenes array for the given number of scenes to be processed. This will resize the array and initialise more bucket instances as needed.

Parameters:

size - The minimum size needed