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      1 /*
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      3  * and open the template in the editor.
      4  */
      5 package jme3test.model.shape;
      6 
      7 import com.jme3.app.SimpleApplication;
      8 import com.jme3.material.Material;
      9 import com.jme3.scene.Geometry;
     10 import com.jme3.scene.shape.Torus;
     11 
     12 public class TestExpandingTorus extends SimpleApplication {
     13 
     14     private float outerRadius = 1.5f;
     15     private float rate = 1;
     16     private Torus torus;
     17     private Geometry geom;
     18 
     19     public static void main(String[] args) {
     20         TestExpandingTorus app = new TestExpandingTorus();
     21         app.start();
     22     }
     23 
     24     @Override
     25     public void simpleInitApp() {
     26         torus = new Torus(30, 10, .5f, 1f);
     27         geom = new Geometry("Torus", torus);
     28         Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
     29         geom.setMaterial(mat);
     30         rootNode.attachChild(geom);
     31     }
     32 
     33     @Override
     34     public void simpleUpdate(float tpf){
     35         if (outerRadius > 2.5f){
     36             outerRadius = 2.5f;
     37             rate = -rate;
     38         }else if (outerRadius < 1f){
     39             outerRadius = 1f;
     40             rate = -rate;
     41         }
     42         outerRadius += rate * tpf;
     43         torus.updateGeometry(30, 10, .5f, outerRadius);
     44     }
     45 }