Examples of javax.media.j3d.DirectionalLight

javax.media.j3d.DirectionalLight
A DirectionalLight node defines an oriented light with an origin at infinity. It has the same attributes as a Light node, with the addition of a directional vector to specify the direction in which the light shines. A directional light has parallel light rays that travel in one direction along the specified vector. Directional light contributes to diffuse and specular reflections, which in turn depend on the orientation of an object's surface but not its position. A directional light does not contribute to ambient reflections.




    //Directional light.
    Color3f lightColour = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f lightDir  = new Vector3f(1.0f, -1.0f, -1.0f);
    DirectionalLight light = new DirectionalLight(lightColour, lightDir);
    light.setInfluencingBounds(bounds);
    bgLight.addChild(light);






    //Ambient light.

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    //Directional light (to be rotated).
    Color3f lightColour = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f lightDir  = new Vector3f(0.0f, 0.0f, -1.0f);
    DirectionalLight light = new DirectionalLight(lightColour, lightDir);
    light.setInfluencingBounds(bounds);


    //The transformation group for the directional light and its rotation.
    TransformGroup tfmLight = new TransformGroup();
    tfmLight.addChild(light);

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    BranchGroup bgLight = new BranchGroup();


    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
    Color3f lightColour1 = new Color3f(1.0f,1.0f,1.0f);
    Vector3f lightDir1  = new Vector3f(-1.0f,0.0f,-0.5f);
    DirectionalLight light1 = new DirectionalLight(lightColour1, lightDir1);
    light1.setInfluencingBounds(bounds);


    bgLight.addChild(light1);
    su.addBranchGraph(bgLight);
  }

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    //Directional light.
    Color3f lightColour = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f lightDir  = new Vector3f(1.0f, -1.0f, -1.0f);
    DirectionalLight light = new DirectionalLight(lightColour, lightDir);
    light.setInfluencingBounds(bounds);
    bgLight.addChild(light);






    //Ambient light.

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        AmbientLight lightAmbient = new AmbientLight(new Color3f(0.8f, 0.8f,
                0.8f));
        lightAmbient.setInfluencingBounds(_bounds);
        lightRoot.addChild(lightAmbient);


        DirectionalLight lightDirectional = new DirectionalLight();
        lightDirectional.setInfluencingBounds(_bounds);


        Vector3f direction = new Vector3f(0.0f, -1.0f, -1.0f);
        direction.normalize();
        lightDirectional.setDirection(direction);
        lightDirectional.setColor(new Color3f(1.0f, 1.0f, 1.0f));
        lightRoot.addChild(lightDirectional);


        _simpleUniverse.getViewer().getView().setLocalEyeLightingEnable(true);
        _simpleUniverse.addBranchGraph(lightRoot);

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        super();
        this.sun = sun;
        sun.addObserver(this);
        computeRiseAngleData();
        computeZenithAngleData();
        light = new DirectionalLight(computeColor(), computeDirection());
        light.setInfluencingBounds(bounds);
        light.setCapability(Light.ALLOW_COLOR_WRITE);
        light.setCapability(DirectionalLight.ALLOW_DIRECTION_WRITE);
    }

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        super();
        this.sun = sun;
        sun.addSubscriber(this);
        computeRiseAngleData();
        computeZenithAngleData();
        light = new DirectionalLight(computeColor(), computeDirection());
        light.setInfluencingBounds(bounds);
        light.setCapability(Light.ALLOW_COLOR_WRITE);
        light.setCapability(DirectionalLight.ALLOW_DIRECTION_WRITE);
    }

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        scene.addChild(ambientLightNode);
        
        // Set up the directional lights
        Vector3f light1Direction  = new Vector3f(60,30,15);


        DirectionalLight light1 = 
                new DirectionalLight(white, light1Direction);
        light1.setInfluencingBounds(bounds);
        scene.addChild(light1);
    }

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    //Shine it with two colored lights.
    Color3f lColor1 = new Color3f(.5f, .5f, .5f);
    Color3f lColor2 = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f lDir2  = new Vector3f(-1.0f, 0.0f, -1.0f);
    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
    AmbientLight ambient = new AmbientLight(lColor1);
    lgt2.setInfluencingBounds(bounds);
    ambient.setInfluencingBounds(bounds);
    objRoot.addChild(lgt2);
    objRoot.addChild(ambient);
    
    // Let Java 3D perform optimizations on this scene graph.

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/* 191 */     Vector3f defaultDir = new Vector3f(0.0F, 0.0F, -1.0F);
/* 192 */     Point3f defaultPos = new Point3f(0.0F, 0.0F, 0.0F);
/*     */ 
/* 194 */     switch (this.type) {
/*     */     case 0:
/* 196 */       this.light = new DirectionalLight(this.color, defaultDir);
/* 197 */       break;
/*     */     case 1:
/* 199 */       this.light = new PointLight(this.color, defaultPos, this.attenuation);
/* 200 */       break;
/*     */     case 2:

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