package Basic.X3dSpecifications;
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.Scripting.*;
import org.web3d.x3d.jsail.Shape.*;
import org.web3d.x3d.jsail.Time.*;
// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
* X3D encodings example: animation of shuttle and pendulum prototype nodes.
Related links: Catalog page ShuttlesAndPendulums, source ShuttlesAndPendulums.java, 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)
which is used to create Java source code from an original .x3d model.
* @author Don Brutzman and Joe Williams
*/
public class ShuttlesAndPendulums
{
/** Default constructor to create this object. */
public ShuttlesAndPendulums ()
{
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_4_0)
.setHead(new head()
.addMeta(new meta().setName(meta.NAME_TITLE ).setContent("ShuttlesAndPendulums.x3d"))
.addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("X3D encodings example: animation of shuttle and pendulum prototype nodes."))
.addMeta(new meta().setName(meta.NAME_CREATOR ).setContent("Don Brutzman and Joe Williams"))
.addMeta(new meta().setName(meta.NAME_CREATED ).setContent("1 June 2002"))
.addMeta(new meta().setName(meta.NAME_MODIFIED ).setContent("28 September 2025"))
.addMeta(new meta().setName(meta.NAME_SPECIFICATIONSECTION).setContent("X3D encodings, ISO/IEC 19776-1.3, Part 1: XML encoding, Annex C.14 Shuttles and pendulums"))
.addMeta(new meta().setName(meta.NAME_SPECIFICATIONURL).setContent("/specifications/X3Dv4Draft/ISO-IEC19776-1v4.0-CD/Part01/examples.html"))
.addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("/x3d/content/examples/Basic/X3dSpecifications/ShuttlesAndPendulums.x3d"))
.addMeta(new meta().setName(meta.NAME_GENERATOR ).setContent("X3D-Edit 4.0, /x3d/tools/X3D-Edit"))
.addMeta(new meta().setName(meta.NAME_LICENSE ).setContent("../license.html")))
.setScene(new Scene()
.addChild(new WorldInfo().setTitle("ShuttlesAndPendulums.x3d"))
.addChild(new ProtoDeclare("Shuttle").setName("Shuttle")
.setProtoInterface(new ProtoInterface()
.addField(new field().setName("rate").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(1))
.addField(new field().setName("distance").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(1))
.addField(new field().setName("children").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)
.addComments(" initial value is empty node array "))
.addField(new field().setName("startTime").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setValue(0))
.addField(new field().setName("stopTime").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setValue(0))
.addField(new field().setName("loop").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(true)))
.setProtoBody(new ProtoBody()
.addChild(new Transform("F")
.setIS(new IS()
.addConnect(new connect().setNodeField("children").setProtoField("children"))))
.addComments(" after first node in ProtoDeclare, remainder of nodes do not render ")
.addChild(new TimeSensor("T")
.setIS(new IS()
.addConnect(new connect().setNodeField("cycleInterval").setProtoField("rate"))
.addConnect(new connect().setNodeField("startTime").setProtoField("startTime"))
.addConnect(new connect().setNodeField("stopTime").setProtoField("stopTime"))
.addConnect(new connect().setNodeField("loop").setProtoField("loop"))))
.addChild(new Script("S").setSourceCode("""
ecmascript:
function initialize () { // constructor:setup interpolator
pos1 = new SFVec3f(-distance, 0, 0);
pos2 = new SFVec3f(distance, 0, 0);
position = new MFVec3f(pos1, pos2, pos1);
}
""")
.addField(new field().setName("distance").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
.addField(new field().setName("position").setType(field.TYPE_MFVEC3F).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
.setIS(new IS()
.addConnect(new connect().setNodeField("distance").setProtoField("distance"))))
.addChild(new PositionInterpolator("I").setKey(new double[] {0.0,0.5,1.0}).setKeyValue(new MFVec3f(new double[] {-1.0,0.0,0.0,1.0,0.0,0.0,-1.0,0.0,0.0})))
.addChild(new ROUTE().setFromNode("T").setFromField("fraction_changed").setToNode("I").setToField("set_fraction"))
.addChild(new ROUTE().setFromNode("I").setFromField("value_changed").setToNode("F").setToField("translation"))
.addChild(new ROUTE().setFromNode("S").setFromField("position").setToNode("I").setToField("keyValue"))))
.addChild(new ProtoDeclare("Pendulum").setName("Pendulum")
.setProtoInterface(new ProtoInterface()
.addField(new field().setName("rate").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(1))
.addField(new field().setName("maxAngle").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(3.14159))
.addField(new field().setName("children").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)
.addComments(" initial value is empty node array "))
.addField(new field().setName("startTime").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setValue(0))
.addField(new field().setName("stopTime").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setValue(0))
.addField(new field().setName("loop").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(true)))
.setProtoBody(new ProtoBody()
.addChild(new Transform("FF")
.setIS(new IS()
.addConnect(new connect().setNodeField("children").setProtoField("children"))))
.addComments(" after first node in ProtoDeclare, remainder of nodes do not render ")
.addChild(new TimeSensor("TT")
.setIS(new IS()
.addConnect(new connect().setNodeField("cycleInterval").setProtoField("rate"))
.addConnect(new connect().setNodeField("startTime").setProtoField("startTime"))
.addConnect(new connect().setNodeField("stopTime").setProtoField("stopTime"))
.addConnect(new connect().setNodeField("loop").setProtoField("loop"))))
.addChild(new Script("SS").setSourceCode("""
ecmascript:
function initialize() { // constructor: setup interpolator
rot1 = new SFRotation(0, 0, 1, 0);
rot2 = new SFRotation(0, 0, 1, maxAngle/2);
rot3 = new SFRotation(0, 0, 1, maxAngle);
rotation = new MFRotation(rot1, rot2, rot3, rot2, rot1);
}
""")
.addField(new field().setName("maxAngle").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
.addField(new field().setName("rotation").setType(field.TYPE_MFROTATION).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
.setIS(new IS()
.addConnect(new connect().setNodeField("maxAngle").setProtoField("maxAngle"))))
.addChild(new OrientationInterpolator("II").setKey(new double[] {0.0,0.25,0.5,0.75,1.0}).setKeyValue(new MFRotation(new double[] {0.0,0.0,1.0,0.0,0.0,0.0,1.0,1.57,0.0,0.0,1.0,3.14,0.0,0.0,1.0,1.57,0.0,0.0,1.0,0.0})))
.addChild(new ROUTE().setFromNode("TT").setFromField("fraction_changed").setToNode("II").setToField("set_fraction"))
.addChild(new ROUTE().setFromNode("II").setFromField("value_changed").setToNode("FF").setToField("rotation"))
.addChild(new ROUTE().setFromNode("SS").setFromField("rotation").setToNode("II").setToField("keyValue"))))
.addChild(new Transform().setTranslation(-3.0,0.0,0.0)
.addChild(new ProtoInstance("Pendulum").setContainerField("children")
.addFieldValue(new fieldValue().setName("rate").setValue(3))
.addFieldValue(new fieldValue().setName("maxAngle").setValue(6.28))
.addFieldValue(new fieldValue().setName("children")
.addChild(new Shape()
.setGeometry(new Cylinder().setHeight(5))
.setAppearance(new Appearance()
.setMaterial(new Material().setDiffuseColor(0.8,0.1,0.0)))))))
.addChild(new Transform()
.addChild(new ProtoInstance("Shuttle").setContainerField("children")
.addFieldValue(new fieldValue().setName("rate").setValue(2))
.addFieldValue(new fieldValue().setName("children")
.addChild(new Shape()
.setGeometry(new Sphere())
.setAppearance(new Appearance()
.setMaterial(new Material().setDiffuseColor(0.1,0.8,0.0))))))));
}
catch (Exception ex)
{
System.err.println ("*** Further hints on X3DJSAIL errors and exceptions at");
System.err.println ("*** /specifications/java/X3DJSAIL.html");
throw (ex);
}
}
// end of initialize() method
/** The initialized model object, created within initialize() method. */
private X3D x3dModel;
/**
* Provide a
* shallow copy
* of the X3D model.
* @see X3D
* @return ShuttlesAndPendulums 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 ShuttlesAndPendulums().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: \"Basic.X3dSpecifications.ShuttlesAndPendulums\" 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.X3dSpecifications.ShuttlesAndPendulums self-validation test confirmation: ");
if (!validationResults.equals("success"))
System.out.println();
System.out.println(validationResults.trim());
// experimental: test X3DJSAIL output files
// X3dSpecifications/ShuttlesAndPendulums_JavaExport.* file validation is checked when building X3D Example Archives
String filenameX3D = "X3dSpecifications/ShuttlesAndPendulums_JavaExport.x3d";
String filenameX3DV = "X3dSpecifications/ShuttlesAndPendulums_JavaExport.x3dv";
String filenameJSON = "X3dSpecifications/ShuttlesAndPendulums_JavaExport.json";
thisExampleX3dModel.toFileX3D (filenameX3D);
thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO thisExampleX3dModel.toFileJSON (filenameJSON);
}
}
}
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