<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package Basic.RigidBodyPhysics;

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Geometry3D.*;
import org.web3d.x3d.jsail.Grouping.*;
import org.web3d.x3d.jsail.Rendering.*;
import org.web3d.x3d.jsail.Shape.*;
import org.web3d.x3d.jsail.Texturing.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; Example scene for RigidBodyPhysics component. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../RigidBodyPhysics/CarDemoWorldModelIndex.html" target="_blank"&gt;CarDemoWorldModel&lt;/a&gt;,  source &lt;a href="../../../RigidBodyPhysics/CarDemoWorldModel.java"&gt;CarDemoWorldModel.java&lt;/a&gt;, &lt;a href="https://www.web3d.org/x3d/content/examples/X3dResources.html" target="_blank"&gt;X3D Resources&lt;/a&gt;, &lt;a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html" target="_blank"&gt;X3D Scene Authoring Hints&lt;/a&gt;, and &lt;a href="https://www.web3d.org/x3d/content/X3dTooltips.html" target="_blank"&gt;X3D Tooltips&lt;/a&gt;. &lt;/p&gt;
	&lt;table style="color:black; border:0px solid; border-spacing:10px 0px;"&gt;
        &lt;caption&gt;Scene Meta Information&lt;/caption&gt;
		&lt;tr style="background-color:silver; border-color:silver;"&gt;
			&lt;td style="text-align:center; padding:10px 0px;"&gt;&lt;i&gt;meta tags&lt;/i&gt;&lt;/td&gt;
			&lt;td style="text-align:left;   padding:10px 0px;"&gt;&amp;nbsp; Document Metadata &lt;/td&gt;
		&lt;/tr&gt;

		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; title &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../RigidBodyPhysics/CarDemoWorldModel.x3d"&gt;CarDemoWorldModel.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; description &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Example scene for RigidBodyPhysics component &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; creator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Alan Hudson and Justin Couch &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; translator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Don Brutzman &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; created &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 1 January 2008 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; translated &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 30 December 2008 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; modified &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 20 October 2019 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="http://www.xj3d.org/extensions/index.html#Physics" target="_blank"&gt;http://www.xj3d.org/extensions/index.html#Physics&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../RigidBodyPhysics/originals/car/main.x3dv"&gt;originals/car/main.x3dv&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../RigidBodyPhysics/originals/car/worldModel.x3dv"&gt;originals/car/worldModel.x3dv&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="http://www.xj3d.org/extensions/rigid_physics_examples.html" target="_blank"&gt;http://www.xj3d.org/extensions/rigid_physics_examples.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/specifications/ISO-IEC-FDIS-19775-1.2-X3D-AbstractSpecification/Part01/components/rigid_physics.html" target="_blank"&gt;https://www.web3d.org/x3d/specifications/ISO-IEC-FDIS-19775-1.2-X3D-AbstractSpecification/Part01/components/rigid_physics.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr style="color:burntorange"&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; warning &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; under development &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; identifier &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/CarDemoWorldModel.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/CarDemoWorldModel.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; generator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; X3D-Edit 3.3, &lt;a href="https://savage.nps.edu/X3D-Edit" target="_blank"&gt;https://savage.nps.edu/X3D-Edit&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; generator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Xj3D converter, &lt;a href="http://www.xj3d.org" target="_blank"&gt;http://www.xj3d.org&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../RigidBodyPhysics/../../license.html"&gt;../../license.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr style="background-color:silver; border-color:silver;"&gt;
			&lt;td style="text-align:center;" colspan="2"&gt;  &amp;nbsp; &lt;/td&gt;
		&lt;/tr&gt;
	&lt;/table&gt;

	&lt;p&gt;
		This program uses the
		&lt;a href="https://www.web3d.org/specifications/java/X3DJSAIL.html" target="_blank"&gt;X3D Java Scene Access Interface Library (X3DJSAIL)&lt;/a&gt;.
		It has been produced using the 
		&lt;a href="https://www.web3d.org/x3d/stylesheets/X3dToJava.xslt" target="_blank"&gt;X3dToJava.xslt&lt;/a&gt;
		stylesheet
	       (&lt;a href="https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/X3dToJava.xslt" target="_blank"&gt;version control&lt;/a&gt;)
                which is used to create Java source code from an original &lt;code&gt;.x3d&lt;/code&gt; model.
	&lt;/p&gt;

	* @author Alan Hudson and Justin Couch
 */

public class CarDemoWorldModel
{
	/** Default constructor to create this object. */
	public CarDemoWorldModel ()
	{
	  initialize();
	}

	/** Create and initialize the X3D model for this object. */
	public final void initialize()
	{
            try { // catch-all
  x3dModel = new X3D().setProfile(X3D.PROFILE_INTERCHANGE).setVersion(X3D.VERSION_3_2)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("CarDemoWorldModel.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("Example scene for RigidBodyPhysics component"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Alan Hudson and Justin Couch"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATOR ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("1 January 2008"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATED ).setContent("30 December 2008"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("20 October 2019"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.xj3d.org/extensions/index.html#Physics"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("originals/car/main.x3dv"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("originals/car/worldModel.x3dv"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.xj3d.org/extensions/rigid_physics_examples.html"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/x3d/specifications/ISO-IEC-FDIS-19775-1.2-X3D-AbstractSpecification/Part01/components/rigid_physics.html"))
    .addMeta(new meta().setName(meta.NAME_WARNING    ).setContent("under development"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/CarDemoWorldModel.x3d"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("Xj3D converter, http://www.xj3d.org"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("../../license.html")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setTitle("CarDemoWorldModel.x3d"))
    .addChild(new Transform("Ramp1").setRotation(0.0,0.0,-1.0,0.135494).setTranslation(347.056,4.87479,-376.17)
      .addChild(new Shape()
        .setAppearance(new Appearance("RAMP")
          .setTexture(new ImageTexture("TEXAG_1").setUrl(new String[] {"originals/car/textures/wall-stone-001.jpg","https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/originals/car/textures/wall-stone-001.jpg"})))
        .setGeometry(new Box().setSize(90.0,1.0,70.0))))
    .addChild(new Transform("Ramp2").setTranslation(301.193,1.4,-376.315)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setTexture(new ImageTexture().setUSE("TEXAG_1")))
        .setGeometry(new IndexedFaceSet("_0").setDEF("_0").setCreaseAngle(0.5).setCoordIndex(new int[] {0,1,3,2,-1,4,5,7,6,-1,6,7,1,0,-1,2,3,5,4,-1,6,0,2,4,-1,1,7,5,3,-1}).setTexCoordIndex(new int[] {0,1,3,2,-1,4,5,7,6,-1,6,7,1,0,-1,2,3,5,4,-1,6,0,2,4,-1,1,7,5,3,-1})
          .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-1.5,10.0,35.0,-1.5,-10.0,35.0,1.5,10.0,35.0,1.5,-10.0,35.0,1.5,10.0,-35.0,1.5,-10.0,-35.0,-1.5,10.0,-35.0,-1.5,-10.0,-35.0})))
          .setTexCoord(new TextureCoordinate().setPoint(new MFVec2f(new double[] {0.478571,0.642857,0.478571,0.357143,0.521429,0.642857,0.521429,0.357143,0.478571,0.642857,0.478571,0.357143,0.521429,0.642857,0.521429,0.357143}))))))
    .addChild(new Transform("TallBuilding").setTranslation(-163.719,24.0,-590.325)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setTexture(new ImageTexture("TEXAG_3").setUrl(new String[] {"originals/car/textures/019619.jpg","https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/originals/car/textures/019619.jpg"})))
        .setGeometry(new IndexedFaceSet("_1").setDEF("_1").setCreaseAngle(0.5).setCoordIndex(new int[] {0,1,3,2,-1,4,5,7,6,-1,6,7,1,0,-1,2,3,5,4,-1,1,7,5,3,-1}).setTexCoordIndex(new int[] {0,1,3,2,-1,4,5,7,6,-1,8,9,11,10,-1,12,13,15,14,-1,16,17,19,18,-1})
          .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-20.0,24.0,20.0,-20.0,-24.0,20.0,20.0,24.0,20.0,20.0,-24.0,20.0,20.0,24.0,-20.0,20.0,-24.0,-20.0,-20.0,24.0,-20.0,-20.0,-24.0,-20.0})))
          .setTexCoord(new TextureCoordinate().setPoint(new MFVec2f(new double[] {0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0}))))))
    .addChild(new Transform().setTranslation(-163.719,24.0,-590.325)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setTexture(new ImageTexture("TEXAG_4").setUrl(new String[] {"originals/car/textures/stone0.gif","https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/originals/car/textures/stone0.gif"}))
          .setTextureTransform(new TextureTransform().setScale(20.0,20.0)))
        .setGeometry(new IndexedFaceSet("_2").setDEF("_2").setCreaseAngle(0.5).setCoordIndex(new int[] {0,1,2,3,-1}).setTexCoordIndex(new int[] {0,1,2,3,-1})
          .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-20.0,24.0,-20.0,-20.0,24.0,20.0,20.0,24.0,20.0,20.0,24.0,-20.0})))
          .setTexCoord(new TextureCoordinate().setPoint(new MFVec2f(new double[] {0.0,1.0,0.0,0.0,1.0,0.0,1.0,1.0}))))))
    .addChild(new Transform("SmallBuilding-001").setTranslation(-101.759,19.0,-451.126)
      .addChild(new Transform("SmallBuilding")
        .addChild(new Transform()
          .addChild(new Shape()
            .setAppearance(new Appearance()
              .setTexture(new ImageTexture().setUSE("TEXAG_3")))
            .setGeometry(new IndexedFaceSet().setCreaseAngle(0.5).setCoordIndex(new int[] {0,1,3,2,-1,4,5,7,6,-1,6,7,1,0,-1,2,3,5,4,-1,1,7,5,3,-1}).setTexCoordIndex(new int[] {0,1,3,2,-1,4,5,7,6,-1,8,9,11,10,-1,12,13,15,14,-1,16,17,19,18,-1})
              .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-20.0,19.0,20.0,-20.0,-19.0,20.0,20.0,19.0,20.0,20.0,-19.0,20.0,20.0,19.0,-20.0,20.0,-19.0,-20.0,-20.0,19.0,-20.0,-20.0,-19.0,-20.0})))
              .setTexCoord(new TextureCoordinate().setPoint(new MFVec2f(new double[] {0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0,0.0,1.0,0.0,0.0,1.0,1.0,1.0,0.0}))))))
        .addChild(new Transform()
          .addChild(new Shape()
            .setAppearance(new Appearance()
              .setTexture(new ImageTexture().setUSE("TEXAG_4"))
              .setTextureTransform(new TextureTransform().setScale(20.0,20.0)))
            .setGeometry(new IndexedFaceSet().setCreaseAngle(0.5).setCoordIndex(new int[] {0,1,2,3,-1}).setTexCoordIndex(new int[] {0,1,2,3,-1})
              .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-20.0,19.0,-20.0,-20.0,19.0,20.0,20.0,19.0,20.0,20.0,19.0,-20.0})))
              .setTexCoord(new TextureCoordinate().setPoint(new MFVec2f(new double[] {0.0,1.0,0.0,0.0,1.0,0.0,1.0,1.0}))))))))
    .addChild(new Transform("SmallBuilding-002").setTranslation(-314.972,19.0,-656.376)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-003").setTranslation(-314.723,19.0,-580.647)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-004").setTranslation(-269.737,19.0,-452.626)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-005").setTranslation(-217.782,19.0,-450.082)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-006").setTranslation(-83.8395,19.0,-351.859)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-007").setTranslation(-348.799,19.0,-511.969)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-008").setTranslation(-23.9812,19.0,-501.768)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("SmallBuilding-009").setTranslation(-101.759,19.0,-451.126)
      .addChild(new Transform().setUSE("SmallBuilding")))
    .addChild(new Transform("Ground").setTranslation(125.0,0.0,-360.0)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setTexture(new ImageTexture("TEXAG_7").setUrl(new String[] {"originals/car/textures/grass.jpg","https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/originals/car/textures/grass.jpg"}))
          .setTextureTransform(new TextureTransform().setScale(100.0,100.0)))
        .setGeometry(new IndexedFaceSet().setSolid(false).setCoordIndex(new int[] {0,4,5,3,-1,4,6,12,16,7,5,-1,17,13,8,11,14,18,10,9,-1,6,8,13,12,-1,11,1,15,14,-1,17,9,7,16,-1,19,2,10,18,-1})
          .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-625.0,0.0,-500.0,-625.0,0.0,500.0,625.0,0.0,500.0,625.0,0.0,-500.0,-625.0,0.0,225.99,625.0,0.0,225.99,-625.194,0.0,303.572,624.806,0.0,294.933,-625.0,0.0,352.657,625.0,0.0,352.657,625.0,0.0,412.38,-625.0,0.0,412.38,-442.167,0.0,302.307,-442.167,0.0,352.657,-442.313,0.0,412.38,-442.313,0.0,500.0,449.668,0.0,296.143,449.668,0.0,352.657,449.828,0.0,412.38,449.828,0.0,500.0}))))))
    .addChild(new Transform("Sand").setTranslation(125.0,0.0,-360.0)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setTexture(new ImageTexture("TEXAG_8").setUrl(new String[] {"originals/car/textures/sand2.jpg","https://www.web3d.org/x3d/content/examples/Basic/RigidBodyPhysics/originals/car/textures/sand2.jpg"}))
          .setTextureTransform(new TextureTransform().setRotation(1.57079).setScale(10.0,50.0)))
        .setGeometry(new IndexedFaceSet().setSolid(false).setCoordIndex(new int[] {0,1,2,3,-1,4,5,6,7,-1}).setTexCoordIndex(new int[] {0,1,2,3,-1,4,5,6,7,-1})
          .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-442.313,0.0,500.0,449.828,0.0,500.0,449.828,0.0,412.38,-442.313,0.0,412.38,-442.167,0.0,352.657,449.668,0.0,352.657,449.668,0.0,296.143,-442.167,0.0,302.307})))
          .setTexCoord(new TextureCoordinate().setPoint(new MFVec2f(new double[] {0.0,0.0,1.0,0.0,1.0,0.0982132,0.0,0.0982132,1.63647E-4,0.165157,0.999821,0.165157,0.999821,0.228503,1.63647E-4,0.221594})))))));
            }
            catch (Exception ex)
            {       
                System.err.println ("*** Further hints on X3DJSAIL errors and exceptions at");
                System.err.println ("*** https://www.web3d.org/specifications/java/X3DJSAIL.html");
                throw (ex);
            }
	}
	// end of initialize() method

	/** The initialized model object, created within initialize() method. */
	private X3D x3dModel;

	/** 
	 * Provide a 
	 * &lt;a href="https://dzone.com/articles/java-copy-shallow-vs-deep-in-which-you-will-swim" target="_blank"&gt;shallow copy&lt;/a&gt;
	 * of the X3D model.
	 * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html"&gt;X3D&lt;/a&gt;
	 * @return CarDemoWorldModel model
	 */
	public X3D getX3dModel()
	{	  
		return x3dModel;
	}
	   
    /** 
     * Default main() method provided for test purposes, uses CommandLine to set global ConfigurationProperties for this object.
     * @param args array of input parameters, provided as arguments
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#handleArguments-java.lang.String:A-"&gt;X3D.handleArguments(args)&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#validationReport--"&gt;X3D.validationReport()&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html"&gt;CommandLine&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html#USAGE"&gt;CommandLine.USAGE&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/ConfigurationProperties.html"&gt;ConfigurationProperties&lt;/a&gt;
     */
    public static void main(String args[])
    {
        System.out.println("Build this X3D model, showing validation diagnostics...");
        X3D thisExampleX3dModel = new CarDemoWorldModel().getX3dModel();
//      System.out.println("X3D model construction complete.");
	
        // next handle command line arguments
        boolean hasArguments = (args != null) &amp;&amp; (args.length &gt; 0);
        boolean validate = true; // default
        boolean argumentsLoadNewModel = false;
        String  fileName = new String();

        if (args != null)
        {
                for (String arg : args)
                {
                        if (arg.toLowerCase().startsWith("-v") || arg.toLowerCase().contains("validate"))
                        {
                                validate = true; // making sure
                        }
                        if (arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_X3D) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_CLASSICVRML) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_X3DB) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_VRML97) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_EXI) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_GZIP) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_ZIP) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_HTML) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_XHTML))
                        {
                                argumentsLoadNewModel = true;
                                fileName = arg;
                        }
                }
        }
        if      (argumentsLoadNewModel)
                System.out.println("WARNING: \"Basic.RigidBodyPhysics.CarDemoWorldModel\" model invocation is attempting to load file \"" + fileName + "\" instead of simply validating itself... file loading ignored.");
        else if (hasArguments) // if no arguments provided, this method produces usage warning
                thisExampleX3dModel.handleArguments(args);
	
        if (validate)
        {
            //  System.out.println("--- TODO fix duplicated outputs ---"); // omit when duplicated outputs problem is solved/refactored
		String validationResults = thisExampleX3dModel.validationReport();
            //  System.out.println("-----------------------------------"); // omit when duplicated outputs problem is solved/refactored
                System.out.print("Basic.RigidBodyPhysics.CarDemoWorldModel self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // RigidBodyPhysics/CarDemoWorldModel_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "RigidBodyPhysics/CarDemoWorldModel_JavaExport.x3d"; 
                String filenameX3DV = "RigidBodyPhysics/CarDemoWorldModel_JavaExport.x3dv"; 
                String filenameJSON = "RigidBodyPhysics/CarDemoWorldModel_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}
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