org.achtern.AchternEngine.core.scenegraph.scanning

Class SingleEntityRetriever

java.lang.Object

org.achtern.AchternEngine.core.scenegraph.scanning.EntityRetriever

org.achtern.AchternEngine.core.scenegraph.scanning.SingleEntityRetriever

All Implemented Interfaces:

NodeScanner, SceneGraphRetriever<Entity>

public class SingleEntityRetriever
extends EntityRetriever

Wrapper of the EntityRetriever and can be used if one only needs a single Entity from the scenegraph. This can be useful, if you want to to retrieve a control Entity from the Camera Node, which has only one control Entity

Field Summary

Fields inherited from class org.achtern.AchternEngine.core.scenegraph.scanning.EntityRetriever

entities, nodes

Constructor Summary

Constructors

Constructor and Description
SingleEntityRetriever() Default Constructor.
SingleEntityRetriever(Node toScan) Calls #scan(Node) in order to allow easy chaining: Entity e = new SingleEntityRetriever(someNode).get(Entity.class);

Method Summary

Methods

Modifier and Type	Method and Description
<T extends Entity> T	get(Class<T> type) Call #scan(Node) first!

Methods inherited from class org.achtern.AchternEngine.core.scenegraph.scanning.EntityRetriever

contained, getAll, getAll, getAll, getAll, getNodes, scan

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleEntityRetriever

public SingleEntityRetriever()

Default Constructor. Does nothing...

SingleEntityRetriever

public SingleEntityRetriever(Node toScan)

Calls #scan(Node) in order to allow easy chaining: Entity e = new SingleEntityRetriever(someNode).get(Entity.class);

Parameters:

toScan - will get scanned

Method Detail

get

public <T extends Entity> T get(Class<T> type)

Call #scan(Node) first! Returns the Entity of the given type or null

Type Parameters:

T - type of Entity

Parameters:

type - Class of type of Entity

Returns:

Entity | null