package Vrml2Sourcebook.Chapter15Extrusion;
/*
Copyright (c) 1995-2023 held by the author(s). All rights reserved.
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* Redistributions of source code must retain the above copyright
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* Redistributions in binary form must reproduce the above copyright
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* Neither the name of the Web3D Consortium (https://www.web3d.org)
nor the names of its contributors may be used to endorse or
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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.Interpolation.*;
import org.web3d.x3d.jsail.Navigation.*;
import org.web3d.x3d.jsail.Shape.*;
import org.web3d.x3d.jsail.Time.*;
// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
*
A wiggling snake whose spine is animated using a CoordinateInterpolator node.
Related links: Figure15_17WigglingSnake.java source, Figure15_17WigglingSnake catalog page, X3D Resources, X3D Scene Authoring Hints, and X3D Tooltips.
This program uses the
X3D Java Scene Access Interface Library (X3DJSAIL).
It has been produced using the
X3dToJava.xslt
stylesheet
(version control)
is used to create Java source code from an original .x3d
model.
* @author Figure 15.17, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland
*/
public class Figure15_17WigglingSnake
{
/** Default constructor to create this object. */
public Figure15_17WigglingSnake ()
{
initialize();
}
/** Create and initialize the X3D model for this object. */
public final void initialize()
{
try { // catch-all
x3dModel = new X3D().setProfile(X3D.PROFILE_IMMERSIVE).setVersion(X3D.VERSION_3_0)
.setHead(new head()
.addMeta(new meta().setName(meta.NAME_TITLE ).setContent("Figure15_17WigglingSnake.x3d"))
.addMeta(new meta().setName(meta.NAME_CREATOR ).setContent("Figure 15.17, 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/ch15/15fig17.htm"))
.addMeta(new meta().setName(meta.NAME_TRANSLATOR ).setContent("Don Brutzman"))
.addMeta(new meta().setName(meta.NAME_CREATED ).setContent("20 August 2000"))
.addMeta(new meta().setName(meta.NAME_MODIFIED ).setContent("20 October 2019"))
.addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("A wiggling snake whose spine is animated using a CoordinateInterpolator node."))
.addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter15Extrusion/Figure15_17WigglingSnake.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(" Computational cost of Extrusion compared to IndexedFaceSet: quicker to download, takes time to calculate polygonal faces and normals during initial loading, equally fast at run time. ")
.addComments(" Authoring capabilities of Extrusion compared to IndexedFaceSet: can be more complicated to express, but also can provide great detail with much less effort. ")
.addComments(" Animation considerations: computational cost of modifying spine and recalcuting all polygons/shading during each screen redraw is extremely high, though authorability remains very simple. ")
.addComments(" First position and rotate viewpoint into positive-X-Y-Z octant, looking at object center ")
.addChild(new WorldInfo().setTitle("Figure15_17WigglingSnake.x3d"))
.addChild(new Viewpoint().setDescription("Wiggling snake, seen from behind, using Extrusion and OrientationInterpolator").setOrientation(-0.37796,0.91249,0.15656,0.85225).setPosition(10.0,5.0,10.0))
.addChild(new Viewpoint().setDescription("Snake head").setOrientation(0.18581,0.96486,0.18581,-1.606566).setPosition(-10.0,4.0,0.0))
.addComments(" Snake ")
.addChild(new Transform().setTranslation(0.0,0.3,0.0)
.addChild(new Shape()
.setAppearance(new Appearance()
.setMaterial(new Material().setDiffuseColor(0.0,1.0,0.2)))
.setGeometry(new Extrusion("SNAKE").setCreaseAngle(1.57).setCrossSection(new MFVec2f(new double[] {1.00,0.00,0.92,-0.38,0.71,-0.71,0.38,-0.92,0.00,-1.00,-0.38,-0.92,-0.71,-0.71,-0.92,-0.38,-1.00,-0.0,-0.92,0.38,-0.71,0.71,-0.38,0.92,0.00,1.00,0.38,0.92,0.71,0.71,0.92,0.38,1.00,0.00})).setScale(new MFVec2f(new double[] {0.050,0.020,0.200,0.100,0.400,0.150,0.250,0.250,0.270,0.270,0.300,0.300,0.300,0.300,0.300,0.300,0.300,0.300,0.300,0.300,0.290,0.290,0.290,0.290,0.290,0.290,0.280,0.280,0.280,0.280,0.250,0.250,0.200,0.200,0.100,0.100,0.050,0.050})).setSpine(new MFVec3f(new double[] {-4.100,0.0,0.000,-4.0,0.0,0.000,-3.529,0.0,0.674,-3.059,0.0,0.996,-2.588,0.0,0.798,-2.118,0.0,0.184,-1.647,0.0,-0.526,-1.176,0.0,-0.962,-0.706,0.0,-0.895,-0.235,0.0,-0.361,0.235,0.0,0.361,0.706,0.0,0.895,1.176,0.0,0.962,1.647,0.0,0.526,2.118,0.0,-0.184,2.588,0.0,-0.798,3.059,0.0,-0.996,3.529,0.0,-0.674,4.0,0.0,0.0})))))
.addComments(" Animation clock ")
.addChild(new TimeSensor("CLOCK").setCycleInterval(4).setLoop(true))
.addComments(" each keyValue block corresponds to spine position at time 0.0, 0.25, 0.5, 0.75 and 1.0 (matching endpoints are closed so that looping is continuous) ")
.addComments(" Animate the snake spine ")
.addChild(new CoordinateInterpolator("SNAKE_WIGGLE").setKey(new double[] {0.0,0.25,0.50,0.75,1.0}).setKeyValue(getSNAKE_WIGGLE_3_21_keyValue()))
.addChild(new ROUTE().setFromNode("CLOCK").setFromField("fraction_changed").setToNode("SNAKE_WIGGLE").setToField("set_fraction"))
.addChild(new ROUTE().setFromNode("SNAKE_WIGGLE").setFromField("value_changed").setToNode("SNAKE").setToField("set_spine")));
}
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
/** Large attribute array: CoordinateInterpolator DEF='SNAKE_WIGGLE' keyValue field, scene-graph level=3, element #21, 285 total numbers made up of 95 3-tuple values.
* Reassemble split array as single method to improve readability and runnability.
* Provide large array values via separate methods, hoping to avoid 'code too large' Java compilation errors.
* Individual Java methods (including aggregated initializations) are limited to 64KB.
* @see https://stackoverflow.com/questions/2407912/code-too-large-compilation-error-in-java
* @see https://stackoverflow.com/questions/11437905/java-too-many-constants-jvm-error
*/
private MFVec3f getSNAKE_WIGGLE_3_21_keyValue()
{
MFVec3f SNAKE_WIGGLE_3_21_keyValue = new MFVec3f(new double[] {-4.100,0.0,0.000,-4.0,0.0,0.000,-3.529,0.0,0.674,-3.059,0.0,0.996,-2.588,0.0,0.798,-2.118,0.0,0.184,-1.647,0.0,-0.526,-1.176,0.0,-0.962,-0.706,0.0,-0.895,-0.235,0.0,-0.361,0.235,0.0,0.361,0.706,0.0,0.895,1.176,0.0,0.962,1.647,0.0,0.526,2.118,0.0,-0.184,2.588,0.0,-0.798,3.059,0.0,-0.996,3.529,0.0,-0.674,4.0,0.0,0.000,-4.100,0.0,-1.000,-4.0,0.0,-1.000,-3.529,0.0,-0.739,-3.059,0.0,-0.092,-2.588,0.0,0.603,-2.118,0.0,0.983,-1.647,0.0,0.850,-1.176,0.0,0.274,-0.706,0.0,-0.446,-0.235,0.0,-0.932,0.235,0.0,-0.932,0.706,0.0,-0.446,1.176,0.0,0.274,1.647,0.0,0.850,2.118,0.0,0.983,2.588,0.0,0.603,3.059,0.0,-0.092,3.529,0.0,-0.739,4.0,0.0,-1.000,-4.100,0.0,0.000,-4.0,0.0,0.000,-3.529,0.0,-0.674,-3.059,0.0,-0.996,-2.588,0.0,-0.798,-2.118,0.0,-0.184,-1.647,0.0,0.526,-1.176,0.0,0.962,-0.706,0.0,0.895,-0.235,0.0,0.361,0.235,0.0,-0.361,0.706,0.0,-0.895,1.176,0.0,-0.962,1.647,0.0,-0.526,2.118,0.0,0.184,2.588,0.0,0.798,3.059,0.0,0.996,3.529,0.0,0.674,4.0,0.0,0.000,-4.100,0.0,1.000,-4.0,0.0,1.000,-3.529,0.0,0.739,-3.059,0.0,0.092,-2.588,0.0,-0.603,-2.118,0.0,-0.983,-1.647,0.0,-0.850,-1.176,0.0,-0.274,-0.706,0.0,0.446,-0.235,0.0,0.932,0.235,0.0,0.932,0.706,0.0,0.446,1.176,0.0,-0.274,1.647,0.0,-0.850,2.118,0.0,-0.983,2.588,0.0,-0.603,3.059,0.0,0.092,3.529,0.0,0.739,4.0,0.0,1.000,-4.100,0.0,0.000,-4.0,0.0,0.000,-3.529,0.0,0.674,-3.059,0.0,0.996,-2.588,0.0,0.798,-2.118,0.0,0.184,-1.647,0.0,-0.526,-1.176,0.0,-0.962,-0.706,0.0,-0.895,-0.235,0.0,-0.361,0.235,0.0,0.361,0.706,0.0,0.895,1.176,0.0,0.962,1.647,0.0,0.526,2.118,0.0,-0.184,2.588,0.0,-0.798,3.059,0.0,-0.996,3.529,0.0,-0.674,4.0,0.0,0.0});
return SNAKE_WIGGLE_3_21_keyValue;
}
/** The initialized model object, created within initialize() method. */
private X3D x3dModel;
/**
* Provide a
* shallow copy
* of the X3D model.
* @see X3D
* @return Figure15_17WigglingSnake 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 X3D.handleArguments(args)
* @see X3D.validationReport()
* @see CommandLine
* @see CommandLine.USAGE
* @see ConfigurationProperties
*/
public static void main(String args[])
{
System.out.println("Build this X3D model, showing validation diagnostics...");
X3D thisExampleX3dModel = new Figure15_17WigglingSnake().getX3dModel();
// System.out.println("X3D model construction complete.");
// next handle command line arguments
boolean hasArguments = (args != null) && (args.length > 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.Chapter15Extrusion.Figure15_17WigglingSnake\" 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.Chapter15Extrusion.Figure15_17WigglingSnake self-validation test results: ");
if (!validationResults.equals("success"))
System.out.println();
System.out.println(validationResults.trim());
}
}
}