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* Copyright (c) 2009-2012 jMonkeyEngine
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package jme3test.helloworld;
import com.jme3.app.SimpleApplication;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Box;
/** Sample 2 - How to use nodes as handles to manipulate objects in the scene.
* You can rotate, translate, and scale objects by manipulating their parent nodes.
* The Root Node is special: Only what is attached to the Root Node appears in the scene. */
public class HelloNode extends SimpleApplication {
public static void main(String[] args){
HelloNode app = new HelloNode();
app.start();
}
@Override
public void simpleInitApp() {
/** create a blue box at coordinates (1,-1,1) */
Box box1 = new Box(1,1,1);
Geometry blue = new Geometry("Box", box1);
blue.setLocalTranslation(new Vector3f(1,-1,1));
Material mat1 = new Material(assetManager,
"Common/MatDefs/Misc/Unshaded.j3md");
mat1.setColor("Color", ColorRGBA.Blue);
blue.setMaterial(mat1);
/** create a red box straight above the blue one at (1,3,1) */
Box box2 = new Box(1,1,1);
Geometry red = new Geometry("Box", box2);
red.setLocalTranslation(new Vector3f(1,3,1));
Material mat2 = new Material(assetManager,
"Common/MatDefs/Misc/Unshaded.j3md");
mat2.setColor("Color", ColorRGBA.Red);
red.setMaterial(mat2);
/** Create a pivot node at (0,0,0) and attach it to the root node */
Node pivot = new Node("pivot");
rootNode.attachChild(pivot); // put this node in the scene
/** Attach the two boxes to the *pivot* node. (And transitively to the root node.) */
pivot.attachChild(blue);
pivot.attachChild(red);
/** Rotate the pivot node: Note that both boxes have rotated! */
pivot.rotate(.4f,.4f,0f);
}
}