<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile='Immersive' version='3.0' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'>
  <head>
    <meta content='test_direffect_diffusesim.x3d' name='title'/>
    <meta content='test-direffect-diffusesim-movie.mpg' name='MovingImage'/>
    <meta content='http://www.nist.gov/vrml.html' name='reference'/>
    <meta content='http://www.itl.nist.gov/div897/ctg/vrml/vrml.html' name='reference'/>
    <meta content='http://www.itl.nist.gov/div897/ctg/vrml/members.html' name='creator'/>
    <meta content='This file was provided by the National Institute of Standards and Technology, and is part of the X3D Conformance Test Suite, available at http://www.nist.gov/vrml.html The information contained within this file is provided for use in establishing conformance to the ISO VRML97 Specification. Conformance to this test does not imply recommendation or endorsement by the National Institute of Standards and Technology (NIST). This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified.' name='disclaimer'/>
    <meta content='Original NIST Conformance Testing Group, https://www.itl.nist.gov/div897/ctg/vrml' name='reference'/>
    <meta content='Interactive Conformance Testing for VRML, Mary Brady and Lynn Rosenthal, NIST, created 8 September 2010 and updated 25 August 2016, https://www.nist.gov/itl/ssd/information-systems-group/interactive-conformance-testing-vrml' name='reference'/>
    <meta content='Correct definition and compliance of this conformance scene is maintained by the X3D Working Group, https://www.web3d.org/working-groups/x3d' name='info'/>
    <meta content='Michael Kass NIST' name='creator'/>
    <meta content='Don Brutzman' name='translator'/>
    <meta content='21 January 2001' name='translated'/>
    <meta content='28 August 2023' name='modified'/>
    <meta content='This test addresses the effect of the light direction on the diffuse color of a simple geometry. One simple geometry (sphere) is drawn in the local coordinate system and a DirectionalLight is also defined with intensity 1 and color 1 1 1. The test starts by clicking on the text above the geometry. The direction of the light is increased as the animation progresses and the diffuse color brightness of the object should also increase at those points where the light shines directly on the object. The direction values used are: 1 0 0,0 0 -1,1 0 0,0 0 1. The geometry are originally defined with a diffuseColor of 0 0 1.' name='description'/>
    <meta content='https://www.web3d.org/x3d/content/examples/ConformanceNist/Lights/DirectionalLight/test_direffect_diffusesim.x3d' name='identifier'/>
    <meta content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html' name='generator'/>
    <meta content='X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit' name='generator'/>
    <meta content='../../license.html' name='license'/>
  </head>
  <Scene>
    <WorldInfo title='test_direffect_diffusesim.x3d'/>
    <Group>
      <Viewpoint description='Front View' position='0 0 15'/>
      <Viewpoint description='Left View' orientation='0 1 0 -1.57' position='-15 0 0'/>
      <Viewpoint description='Right View' orientation='0 1 0 1.57' position='15 0 0'/>
      <Viewpoint description='Rear View' orientation='0 1 0 3.14' position='0 0 -15'/>
    </Group>
    <Background groundColor='0 0 0' skyColor='0.8 0.8 0.8'/>
    <NavigationInfo headlight='false' type='"EXAMINE" "WALK" "FLY" "ANY"'/>
    <PointLight on='false'/>
    <SpotLight beamWidth='1.570796' cutOffAngle='.785398' on='false'/>
    <Transform scale='0.02 0.02 0.02' translation='-3.4 3 0'>
      <Shape>
        <Appearance DEF='the-appearance'>
          <Material DEF='the-click' ambientIntensity='1' emissiveColor='0 0 1'/>
        </Appearance>
        <Text string='"CLICK HERE TO START"'>
          <FontStyle size='32' style='BOLD'/>
        </Text>
      </Shape>
      <TouchSensor DEF='the-touch' description='touch to activate'/>
    </Transform>
    <TimeSensor DEF='text-time'/>
    <TimeSensor DEF='the-time' cycleInterval='6'/>
    <PositionInterpolator DEF='the-direction' key='0.25 0.5 0.75 1' keyValue='1 0 0 0 0 -1 -1 0 0 0 0 1'/>
    <ColorInterpolator DEF='text-color' key='0 0.5 1' keyValue='0 0 1 1 1 1 0 0 1'/>
    <Group>
      <DirectionalLight DEF='the-light'/>
      <Transform>
        <Shape>
          <Appearance>
            <Material diffuseColor='0 0 1'/>
          </Appearance>
          <Sphere radius='2.5'/>
        </Shape>
      </Transform>
    </Group>
    <ROUTE fromField='touchTime' fromNode='the-touch' toField='startTime' toNode='the-time'/>
    <ROUTE fromField='touchTime' fromNode='the-touch' toField='startTime' toNode='text-time'/>
    <ROUTE fromField='fraction_changed' fromNode='the-time' toField='set_fraction' toNode='the-direction'/>
    <ROUTE fromField='fraction_changed' fromNode='text-time' toField='set_fraction' toNode='text-color'/>
    <ROUTE fromField='value_changed' fromNode='text-color' toField='emissiveColor' toNode='the-click'/>
    <ROUTE fromField='value_changed' fromNode='the-direction' toField='direction' toNode='the-light'/>
  </Scene>
</X3D>