objfile.java

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package turnobj;

import com.sun.j3d.loaders.objectfile.ObjectFile;
import com.sun.j3d.loaders.ParsingErrorException;
import com.sun.j3d.loaders.IncorrectFormatException;
import com.sun.j3d.loaders.Scene;
import java.io.*;
import javax.media.j3d.*;

/**
 * <p>Title: 转动物体</p>
 * <p>Description: 生成两个转动物体</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: 中国农业大学计算机系</p>
 * @author 彭波
 * @version 1.0
 */

public class objFile extends BranchGroup{
  private double creaseAngle = 60.0;
  public objFile(String filename){
    BranchGroup obj = new BranchGroup( );
    int flags = ObjectFile.RESIZE;
    ObjectFile f = new ObjectFile(flags,(float)(creaseAngle * Math.PI / 180.0));
    Scene s = null;
    try {
      s = f.load(filename);
    }
    catch (FileNotFoundException e) {
      System.err.println(e);
      System.exit(1);
    }
    catch (ParsingErrorException e) {
      System.err.println(e);
      System.exit(1);
    }
    catch (IncorrectFormatException e) {
      System.err.println(e);
      System.exit(1);
    }
    obj.addChild(s.getSceneGroup( ) );
    this.addChild(obj);
  }
}