ecmascript:
function initialize ()
{
    // TODO? potential visualization improvment (at possible cost of breaking simple 1:1 mapping)
    // compute Cone translation (and perhaps cone size) based on Cylinder size
    // then send result to the Cone parent transform

    // conceivably this extended Cylinder length is a feature, not a bug...
    // if the Cylinder goes to the center of the ball, then you can turn off both
    // balls and Cone arrowheads to yield a simple stick-only model
    // so we need to consider this as an animation/visualization feature as well

    tracePrint ('ArcScript ' + name + ': ' initialization() successful');
}
function set_name (eventValue)
{
    // input eventValue received for inputOutput field name
    name = eventValue;
    tracePrint ('name = ' + name);
}
function set_description (eventValue)
{
    // input eventValue received for inputOutput field description
    description = eventValue;
    tracePrint ('description = ' + description);
}
function set_cylinderTranslation (eventValue)
{
    // input eventValue received for inputOutput field cylinderTranslation
    cylinderTranslation = eventValue;
    tracePrint ('cylinderTranslation = ' + cylinderTranslation);

    // TODO author code (if any) goes here
}
function set_coneTranslation (eventValue)
{
    // input eventValue received for inputOutput field coneTranslation
    coneTranslation = eventValue;
    tracePrint ('coneTranslation = ' + coneTranslation);

    // TODO author code (if any) goes here
}
function set_rotation (eventValue)
{
    // input eventValue received for inputOutput field rotation
    rotation = eventValue;
    tracePrint ('rotation = ' + rotation);

    // TODO author code (if any) goes here
}
function set_displayMode (eventValue)
{
    // input eventValue received for inputOutput field displayMode
    displayMode = eventValue;
    tracePrint ('displayMode = ' + displayMode);

    // TODO author code (if any) goes here
}
function set_color (eventValue)
{
    // input eventValue received for inputOutput field color
    color = eventValue;
    tracePrint ('color = ' + color);

    // TODO author code (if any) goes here
}
function set_transparency (eventValue)
{
    // input eventValue received for inputOutput field transparency
    transparency = eventValue;
    tracePrint ('transparency = ' + transparency);

    // TODO author code (if any) goes here
}
function set_ballRadius (eventValue)
{
    // input eventValue received for inputOutput field ballRadius
    ballRadius = eventValue;
    tracePrint ('ballRadius = ' + ballRadius);

    // TODO author code (if any) goes here
}
// ================== Trace output functions ==================

function tracePrint (outputString)
{
   // if traceEnabled is true, print outputString on X3D browser console
   if (traceEnabled)
      Browser.println ('[Arc ' + name + ': ' + outputString + ']');
}
function alwaysPrint (outputString)
{
      // always print outputString on X3D browser console
      Browser.println ('[Arc ' + name + ': ' + outputString + ']');
}
function set_traceEnabled (eventValue)
{
    // input eventValue received for inputOutput field
    traceEnabled = eventValue;
}
// ===========================================================

function set_website (eventValue)
{
    // input eventValue received for inputOutput field website
    website = eventValue;
    tracePrint ('website = ' + website);

    // TODO author code (if any) goes here
}
//============================================================