<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package Vrml2Sourcebook.Chapter22Background;

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.EnvironmentalEffects.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Geometry3D.*;
import org.web3d.x3d.jsail.Grouping.*;
import org.web3d.x3d.jsail.PointingDeviceSensor.*;
import org.web3d.x3d.jsail.Shape.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; Backgrounds bound and unbound by touching a red cube or a blue sphere. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../Chapter22Background/Figure22_4BackgroundBindingIndex.html" target="_blank"&gt;Figure22_4BackgroundBinding&lt;/a&gt;,  source &lt;a href="../../../Chapter22Background/Figure22_4BackgroundBinding.java"&gt;Figure22_4BackgroundBinding.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="../../../Chapter22Background/Figure22_4BackgroundBinding.x3d"&gt;Figure22_4BackgroundBinding.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; creator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Figure 22.4, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland &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.wiley.com/legacy/compbooks/vrml2sbk/ch22/22fig04.htm" target="_blank"&gt;http://www.wiley.com/legacy/compbooks/vrml2sbk/ch22/22fig04.htm&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; 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; 22 August 2000 &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; description &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Backgrounds bound and unbound by touching a red cube or a blue sphere. &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/Vrml2Sourcebook/Chapter22Background/Figure22_4BackgroundBinding.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter22Background/Figure22_4BackgroundBinding.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; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Chapter22Background/../../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 Figure 22.4, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland
 */

public class Figure22_4BackgroundBinding
{
	/** Default constructor to create this object. */
	public Figure22_4BackgroundBinding ()
	{
	  initialize();
	}

	/** Create and initialize the X3D model for this object. */
	public final void initialize()
	{
            try { // catch-all
  x3dModel = new X3D().setProfile(X3D.PROFILE_INTERACTIVE).setVersion(X3D.VERSION_3_0)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("Figure22_4BackgroundBinding.x3d"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Figure 22.4, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.wiley.com/legacy/compbooks/vrml2sbk/ch22/22fig04.htm"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATOR ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("22 August 2000"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("20 October 2019"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("Backgrounds bound and unbound by touching a red cube or a blue sphere."))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter22Background/Figure22_4BackgroundBinding.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_LICENSE    ).setContent("../../license.html")))
  .setScene(new Scene()
    .addComments(" Note that navigation mode doesn't matter much here, since you cannot approach the backround, it always stays at maximum (horizon) distance ")
    .addComments(" At least EXAMINE mode lets you easily look up/down/around. ")
    .addChild(new WorldInfo().setTitle("Figure22_4BackgroundBinding.x3d"))
    .addChild(new Group()
      .addChild(new Background().setGroundAngle(new double[] {1.309,1.570796}).setGroundColor(new MFColor(new double[] {0.1,0.1,0.0,0.4,0.25,0.2,0.6,0.6,0.6})).setSkyAngle(new double[] {1.309,1.571}).setSkyColor(new MFColor(new double[] {0.0,0.2,0.7,0.0,0.5,1.0,1.0,1.0,1.0})))
      .addChild(new Background("AlternateBackground1").setGroundAngle(new double[] {1.309,1.570796}).setGroundColor(new MFColor(new double[] {0.1,0.1,0.0,0.5,0.25,0.2,0.6,0.6,0.2})).setSkyAngle(new double[] {1.309,1.571}).setSkyColor(new MFColor(new double[] {1.0,0.0,0.0,1.0,0.4,0.0,1.0,1.0,0.0})))
      .addChild(new Background("AlternateBackground2").setGroundAngle(new double[] {1.309,1.570796}).setGroundColor(new MFColor(new double[] {0.0,0.0,0.1,0.0,0.1,0.3,0.3,0.3,0.6})).setSkyAngle(new double[] {1.309,1.571}).setSkyColor(new MFColor(new double[] {1.0,0.0,0.8,0.5,0.0,0.8,0.0,0.0,0.8}))))
    .addComments(" Shapes to act as buttons ")
    .addChild(new Transform().setTranslation(2.0,0.0,0.0)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setMaterial(new Material().setDiffuseColor(1.0,0.0,0.0)))
        .setGeometry(new Box()))
      .addChild(new TouchSensor("TouchBox").setDescription("Alternate reddish-orange background")))
    .addChild(new Transform().setTranslation(-2.0,0.0,0.0)
      .addChild(new Shape()
        .setAppearance(new Appearance()
          .setMaterial(new Material().setDiffuseColor(0.0,0.0,0.8)))
        .setGeometry(new Sphere()))
      .addChild(new TouchSensor("TouchSphere").setDescription("Alternate blueish-purple background")))
    .addChild(new ROUTE().setFromNode("TouchBox").setFromField("isActive").setToNode("AlternateBackground1").setToField("set_bind"))
    .addChild(new ROUTE().setFromNode("TouchSphere").setFromField("isActive").setToNode("AlternateBackground2").setToField("set_bind")));
            }
            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 Figure22_4BackgroundBinding 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 Figure22_4BackgroundBinding().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: \"Vrml2Sourcebook.Chapter22Background.Figure22_4BackgroundBinding\" 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("Vrml2Sourcebook.Chapter22Background.Figure22_4BackgroundBinding self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // Chapter22Background/Figure22_4BackgroundBinding_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "Chapter22Background/Figure22_4BackgroundBinding_JavaExport.x3d"; 
                String filenameX3DV = "Chapter22Background/Figure22_4BackgroundBinding_JavaExport.x3dv"; 
                String filenameJSON = "Chapter22Background/Figure22_4BackgroundBinding_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}
</pre></body></html>