List of usage examples for javax.media.j3d PointLight PointLight
public PointLight(Color3f color, Point3f position, Point3f attenuation)
From source file:SimpleSphere.java
protected void addLights(BranchGroup b) { // Create a bounds for the lights BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Set up the global lights Color3f lightColour1 = new Color3f(1.0f, 1.0f, 1.0f); Vector3f lightDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f lightColour2 = new Color3f(1.0f, 1.0f, 1.0f); Point3f lightPosition2 = new Point3f(3.0f, 3.0f, 3.0f); Point3f lightAtten2 = new Point3f(0.0f, 0.0f, 1.0f); Vector3f lightDir2 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f ambientColour = new Color3f(0.2f, 0.2f, 0.2f); AmbientLight ambientLight1 = new AmbientLight(ambientColour); ambientLight1.setInfluencingBounds(bounds); DirectionalLight light1 = new DirectionalLight(lightColour1, lightDir1); light1.setInfluencingBounds(bounds); PointLight light2 = new PointLight(lightColour2, lightPosition2, lightAtten2); light2.setInfluencingBounds(bounds); b.addChild(ambientLight1);/*from w w w . ja v a2 s .c om*/ b.addChild(light1); //b.addChild(light2); }
From source file:PickText3DBounds.java
public BranchGroup createSceneGraph(Canvas3D canvas) { Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); Transform3D t;/* w w w .j av a2 s . co m*/ // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4); objScale.setTransform(t3d); objRoot.addChild(objScale); // Create a bounds for the background and lights BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Set up the background Background bg = new Background(bgColor); bg.setApplicationBounds(bounds); objScale.addChild(bg); Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1), new FontExtrusion()); Text3D txt = new Text3D(f3d, new String("TEXT3D"), new Point3f(-2.0f, 0.0f, 0.0f)); // txt.setCapability(Geometry.ALLOW_INTERSECT); Shape3D s3D = new Shape3D(); s3D.setGeometry(txt); s3D.setAppearance(a); // Create a transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. TransformGroup spinTg = new TransformGroup(); spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); spinTg.setCapability(TransformGroup.ENABLE_PICK_REPORTING); spinTg.addChild(s3D); objScale.addChild(spinTg); // Create the transform group node for the each light and initialize // it to the identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add them to the root // of the subgraph. // Create transformations for the positional lights t = new Transform3D(); Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); t.set(lPos1); TransformGroup l1Trans = new TransformGroup(t); l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); l1Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); objScale.addChild(l1Trans); t = new Transform3D(); Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0); t.set(lPos2); TransformGroup l2Trans = new TransformGroup(t); l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); l2Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); objScale.addChild(l2Trans); // Create Geometry for point lights ColoringAttributes caL1 = new ColoringAttributes(); ColoringAttributes caL2 = new ColoringAttributes(); caL1.setColor(lColor1); caL2.setColor(lColor2); Appearance appL1 = new Appearance(); Appearance appL2 = new Appearance(); appL1.setColoringAttributes(caL1); appL2.setColoringAttributes(caL2); l1Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS, 15, appL1)); l2Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS, 15, appL2)); // Create lights AmbientLight aLgt = new AmbientLight(alColor); Light lgt1; Light lgt2; Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); lgt1 = new PointLight(lColor1, lPoint, atten); lgt2 = new PointLight(lColor2, lPoint, atten); // Set the influencing bounds aLgt.setInfluencingBounds(bounds); lgt1.setInfluencingBounds(bounds); lgt2.setInfluencingBounds(bounds); // Add the lights into the scene graph objScale.addChild(aLgt); l1Trans.addChild(lgt1); l2Trans.addChild(lgt2); PickRotateBehavior behavior1 = new PickRotateBehavior(objRoot, canvas, bounds); behavior1.setMode(PickTool.BOUNDS); objRoot.addChild(behavior1); PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, canvas, bounds); behavior2.setMode(PickTool.BOUNDS); objRoot.addChild(behavior2); PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds); behavior3.setMode(PickTool.BOUNDS); objRoot.addChild(behavior3); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:LightBug.java
void setupLights() { // set up the BoundingSphere for all the lights BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0); // create the switch and set the default lightSwitch = new Switch(); lightSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE); lightSwitch.setWhichChild(LIGHT_DIRECTIONAL); // Set up the directional light Vector3f lightDirection = new Vector3f(0.0f, 0.0f, -1.0f); lightDirectional = new DirectionalLight(white, lightDirection); lightDirectional.setInfluencingBounds(bounds); lightSwitch.addChild(lightDirectional); // Set up the point light Point3f lightPosition = new Point3f(-1.0f, 1.0f, 0.6f); Point3f lightAttenuation = new Point3f(0.0f, 1.0f, 0.0f); lightPoint = new PointLight(white, lightPosition, lightAttenuation); lightPoint.setInfluencingBounds(bounds); lightSwitch.addChild(lightPoint);/* w ww .ja va 2 s .c o m*/ // Set up the spot light // Point the light back at the origin Vector3f lightSpotDirection = new Vector3f(lightPosition); lightSpotDirection.negate(); // point back lightSpotDirection.normalize(); // make unit length float spreadAngle = 60; // degrees float concentration = 5.0f; lightSpot = new SpotLight(white, lightPosition, lightAttenuation, lightSpotDirection, (float) Math.toRadians(spreadAngle), concentration); lightSpot.setInfluencingBounds(bounds); lightSwitch.addChild(lightSpot); }
From source file:SphereMotion.java
public BranchGroup createSceneGraph(SimpleUniverse u) { Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); Transform3D t;//from w w w . j a va2s .c o m // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4); objScale.setTransform(t3d); objRoot.addChild(objScale); // Create a bounds for the background and lights BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Set up the background Background bg = new Background(bgColor); bg.setApplicationBounds(bounds); objScale.addChild(bg); // Create a Sphere object, generate one copy of the sphere, // and add it into the scene graph. Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 80, a); objScale.addChild(sph); // Create the transform group node for the each light and initialize // it to the identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add them to the root // of the subgraph. TransformGroup l1RotTrans = new TransformGroup(); l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(l1RotTrans); TransformGroup l2RotTrans = new TransformGroup(); l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(l2RotTrans); // Create transformations for the positional lights t = new Transform3D(); Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); t.set(lPos1); TransformGroup l1Trans = new TransformGroup(t); l1RotTrans.addChild(l1Trans); t = new Transform3D(); Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0); t.set(lPos2); TransformGroup l2Trans = new TransformGroup(t); l2RotTrans.addChild(l2Trans); // Create Geometry for point lights ColoringAttributes caL1 = new ColoringAttributes(); ColoringAttributes caL2 = new ColoringAttributes(); caL1.setColor(lColor1); caL2.setColor(lColor2); Appearance appL1 = new Appearance(); Appearance appL2 = new Appearance(); appL1.setColoringAttributes(caL1); appL2.setColoringAttributes(caL2); l1Trans.addChild(new Sphere(0.05f, appL1)); l2Trans.addChild(new Sphere(0.05f, appL2)); // Create lights AmbientLight aLgt = new AmbientLight(alColor); Light lgt1 = null; Light lgt2 = null; Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); Vector3f lDirect1 = new Vector3f(lPos1); Vector3f lDirect2 = new Vector3f(lPos2); lDirect1.negate(); lDirect2.negate(); switch (lightType) { case DIRECTIONAL_LIGHT: lgt1 = new DirectionalLight(lColor1, lDirect1); lgt2 = new DirectionalLight(lColor2, lDirect2); break; case POINT_LIGHT: lgt1 = new PointLight(lColor1, lPoint, atten); lgt2 = new PointLight(lColor2, lPoint, atten); break; case SPOT_LIGHT: lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1, 25.0f * (float) Math.PI / 180.0f, 10.0f); lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2, 25.0f * (float) Math.PI / 180.0f, 10.0f); break; } // Set the influencing bounds aLgt.setInfluencingBounds(bounds); lgt1.setInfluencingBounds(bounds); lgt2.setInfluencingBounds(bounds); // Add the lights into the scene graph objScale.addChild(aLgt); l1Trans.addChild(lgt1); l2Trans.addChild(lgt2); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into the // scene graph. Transform3D yAxis = new Transform3D(); Alpha rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator1 = new RotationInterpolator(rotor1Alpha, l1RotTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator1.setSchedulingBounds(bounds); l1RotTrans.addChild(rotator1); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into the // scene graph. Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 1000, 0, 0, 0, 0, 0); RotationInterpolator rotator2 = new RotationInterpolator(rotor2Alpha, l2RotTrans, yAxis, 0.0f, 0.0f); bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); rotator2.setSchedulingBounds(bounds); l2RotTrans.addChild(rotator2); // Create a position interpolator and attach it to the view // platform TransformGroup vpTrans = u.getViewingPlatform().getViewPlatformTransform(); Transform3D axisOfTranslation = new Transform3D(); Alpha transAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 5000, 0, 0, 5000, 0, 0); axisOfTranslation.rotY(-Math.PI / 2.0); PositionInterpolator translator = new PositionInterpolator(transAlpha, vpTrans, axisOfTranslation, 2.0f, 3.5f); translator.setSchedulingBounds(bounds); objScale.addChild(translator); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:PickText3DGeometry.java
public BranchGroup createSceneGraph(Canvas3D canvas) { Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); Transform3D t;//ww w . ja v a 2s.c o m // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4); objScale.setTransform(t3d); objRoot.addChild(objScale); // Create a bounds for the background and lights BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Set up the background Background bg = new Background(bgColor); bg.setApplicationBounds(bounds); objScale.addChild(bg); Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1), new FontExtrusion()); Text3D text3D = new Text3D(f3d, new String("TEXT3D"), new Point3f(-2.0f, 0.7f, 0.0f)); text3D.setCapability(Geometry.ALLOW_INTERSECT); Shape3D s3D1 = new Shape3D(); s3D1.setGeometry(text3D); s3D1.setAppearance(a); // Create a transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. TransformGroup spinTg1 = new TransformGroup(); spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); spinTg1.setCapability(TransformGroup.ENABLE_PICK_REPORTING); spinTg1.addChild(s3D1); objScale.addChild(spinTg1); Text3D pick = new Text3D(f3d, new String("Pick me"), new Point3f(-2.0f, -0.7f, 0.0f)); pick.setCapability(Geometry.ALLOW_INTERSECT); Shape3D s3D2 = new Shape3D(); s3D2.setGeometry(pick); s3D2.setAppearance(a); // Create a transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. TransformGroup spinTg2 = new TransformGroup(); spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); spinTg2.setCapability(TransformGroup.ENABLE_PICK_REPORTING); spinTg2.addChild(s3D2); objScale.addChild(spinTg2); // Create the transform group node for the each light and initialize // it to the identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add them to the root // of the subgraph. // Create transformations for the positional lights t = new Transform3D(); Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); t.set(lPos1); TransformGroup l1Trans = new TransformGroup(t); l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); l1Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); objScale.addChild(l1Trans); t = new Transform3D(); Vector3d lPos2 = new Vector3d(0.5, 1.2, 2.0); t.set(lPos2); TransformGroup l2Trans = new TransformGroup(t); l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); l2Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); objScale.addChild(l2Trans); // Create Geometry for point lights ColoringAttributes caL1 = new ColoringAttributes(); ColoringAttributes caL2 = new ColoringAttributes(); caL1.setColor(lColor1); caL2.setColor(lColor2); Appearance appL1 = new Appearance(); Appearance appL2 = new Appearance(); appL1.setColoringAttributes(caL1); appL2.setColoringAttributes(caL2); l1Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL1)); l2Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL2)); // Create lights AmbientLight aLgt = new AmbientLight(alColor); Light lgt1; Light lgt2; Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); lgt1 = new PointLight(lColor1, lPoint, atten); lgt2 = new PointLight(lColor2, lPoint, atten); // Set the influencing bounds aLgt.setInfluencingBounds(bounds); lgt1.setInfluencingBounds(bounds); lgt2.setInfluencingBounds(bounds); // Add the lights into the scene graph objScale.addChild(aLgt); l1Trans.addChild(lgt1); l2Trans.addChild(lgt2); PickRotateBehavior behavior1 = new PickRotateBehavior(objRoot, canvas, bounds); behavior1.setMode(PickTool.GEOMETRY); behavior1.setTolerance(0.0f); objRoot.addChild(behavior1); PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, canvas, bounds); behavior2.setMode(PickTool.GEOMETRY); behavior2.setTolerance(0.0f); objRoot.addChild(behavior2); PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds); behavior3.setMode(PickTool.GEOMETRY); behavior3.setTolerance(0.0f); objRoot.addChild(behavior3); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:EnvironmentExplorer.java
void setupLights() { lightGroup = new Group(); // Set up the ambient light lightAmbient = new AmbientLight(darkGrey); lightAmbient.setInfluencingBounds(infiniteBounds); lightAmbient.setCapability(Light.ALLOW_STATE_WRITE); lightAmbient.setEnable(true);//from w ww. ja v a 2 s .c o m lightGroup.addChild(lightAmbient); // Set up the directional light Vector3f lightDirection = new Vector3f(0.65f, -0.65f, -0.40f); lightDirectional = new DirectionalLight(white, lightDirection); lightDirectional.setInfluencingBounds(infiniteBounds); lightDirectional.setEnable(true); lightDirectional.setCapability(Light.ALLOW_STATE_WRITE); lightGroup.addChild(lightDirectional); // Set up the point light Point3f lightPosition = new Point3f(-1.0f, 1.0f, 0.6f); lightPoint = new PointLight(white, lightPosition, attenuation); lightPoint.setInfluencingBounds(infiniteBounds); lightPoint.setEnable(false); lightPoint.setCapability(Light.ALLOW_STATE_WRITE); lightPoint.setCapability(PointLight.ALLOW_ATTENUATION_WRITE); lightGroup.addChild(lightPoint); // Set up the spot light // Point the light back at the origin lightSpot = new SpotLight(white, lightPosition, attenuation, lightDirection, (float) Math.toRadians(spotSpreadAngle), spotConcentration); lightSpot.setInfluencingBounds(infiniteBounds); lightSpot.setEnable(false); lightSpot.setCapability(Light.ALLOW_STATE_WRITE); lightSpot.setCapability(PointLight.ALLOW_ATTENUATION_WRITE); lightSpot.setCapability(SpotLight.ALLOW_CONCENTRATION_WRITE); lightSpot.setCapability(SpotLight.ALLOW_SPREAD_ANGLE_WRITE); lightGroup.addChild(lightSpot); }
From source file:AppearanceExplorer.java
Group setupLights() {
Group group = new Group();
// set up the BoundingSphere for all the lights
BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);
// Set up the ambient light
AmbientLight lightAmbient = new AmbientLight(medGrey);
lightAmbient.setInfluencingBounds(bounds);
lightAmbient.setCapability(Light.ALLOW_STATE_WRITE);
group.addChild(lightAmbient);/*from ww w . j a v a 2 s . c o m*/
lightSwitch = new Switch();
lightSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
group.addChild(lightSwitch);
// Set up the directional light
Vector3f lightDirection1 = new Vector3f(0.0f, 0.0f, -1.0f);
DirectionalLight lightDirectional1 = new DirectionalLight(white, lightDirection1);
lightDirectional1.setInfluencingBounds(bounds);
lightDirectional1.setCapability(Light.ALLOW_STATE_WRITE);
lightSwitch.addChild(lightDirectional1);
Point3f lightPos1 = new Point3f(-4.0f, 8.0f, 16.0f);
Point3f lightAttenuation1 = new Point3f(1.0f, 0.0f, 0.0f);
PointLight pointLight1 = new PointLight(brightWhite, lightPos1, lightAttenuation1);
pointLight1.setInfluencingBounds(bounds);
lightSwitch.addChild(pointLight1);
Point3f lightPos2 = new Point3f(-16.0f, 8.0f, 4.0f);
//Point3f lightPos = new Point3f(-4.0f, 2.0f, 1.0f);
Point3f lightAttenuation2 = new Point3f(1.0f, 0.0f, 0.0f);
PointLight pointLight2 = new PointLight(white, lightPos2, lightAttenuation2);
pointLight2.setInfluencingBounds(bounds);
lightSwitch.addChild(pointLight2);
return group;
}