1/*
2 * Copyright (c) 2009-2010 jMonkeyEngine
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 *   notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 *   notice, this list of conditions and the following disclaimer in the
14 *   documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
17 *   may be used to endorse or promote products derived from this software
18 *   without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33package jme3test.helloworld;
34
35import com.jme3.app.SimpleApplication;
36import com.jme3.material.Material;
37import com.jme3.math.ColorRGBA;
38import com.jme3.math.Vector3f;
39import com.jme3.scene.Geometry;
40import com.jme3.scene.Node;
41import com.jme3.scene.shape.Box;
42
43/** Sample 2 - How to use nodes as handles to manipulate objects in the scene.
44 * You can rotate, translate, and scale objects by manipulating their parent nodes.
45 * The Root Node is special: Only what is attached to the Root Node appears in the scene. */
46public class HelloNode extends SimpleApplication {
47
48    public static void main(String[] args){
49        HelloNode app = new HelloNode();
50        app.start();
51    }
52
53    @Override
54    public void simpleInitApp() {
55
56        /** create a blue box at coordinates (1,-1,1) */
57        Box box1 = new Box( new Vector3f(1,-1,1), 1,1,1);
58        Geometry blue = new Geometry("Box", box1);
59        Material mat1 = new Material(assetManager,
60                "Common/MatDefs/Misc/Unshaded.j3md");
61        mat1.setColor("Color", ColorRGBA.Blue);
62        blue.setMaterial(mat1);
63
64        /** create a red box straight above the blue one at (1,3,1) */
65        Box box2 = new Box( new Vector3f(1,3,1), 1,1,1);
66        Geometry red = new Geometry("Box", box2);
67        Material mat2 = new Material(assetManager,
68                "Common/MatDefs/Misc/Unshaded.j3md");
69        mat2.setColor("Color", ColorRGBA.Red);
70        red.setMaterial(mat2);
71
72        /** Create a pivot node at (0,0,0) and attach it to the root node */
73        Node pivot = new Node("pivot");
74        rootNode.attachChild(pivot); // put this node in the scene
75
76        /** Attach the two boxes to the *pivot* node. (And transitively to the root node.) */
77        pivot.attachChild(blue);
78        pivot.attachChild(red);
79        /** Rotate the pivot node: Note that both boxes have rotated! */
80        pivot.rotate(.4f,.4f,0f);
81    }
82}
83
84