Example usage for javax.media.j3d TransparencyAttributes BLEND_SRC_ALPHA

Introduction

In this page you can find the example usage for javax.media.j3d TransparencyAttributes BLEND_SRC_ALPHA.

Prototype

int BLEND_SRC_ALPHA

To view the source code for javax.media.j3d TransparencyAttributes BLEND_SRC_ALPHA.

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Document

Blend function: f = alphasrc.

Usage

From source file:RedGreenGriffin.java

public BranchGroup createSceneGraph(int i) {
    System.out.println("Creating scene for: " + URLString);
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();
    try {//from ww  w. jav a 2  s  . c  o m
        Transform3D myTransform3D = new Transform3D();
        myTransform3D.setTranslation(new Vector3f(+0.0f, -0.15f, -3.6f));
        TransformGroup objTrans = new TransformGroup(myTransform3D);
        objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        Transform3D t = new Transform3D();
        TransformGroup tg = new TransformGroup(t);
        tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        objTrans.addChild(tg);
        URL url = new URL(URLString);
        ObjectFile f = new ObjectFile();
        f.setFlags(ObjectFile.RESIZE | ObjectFile.TRIANGULATE | ObjectFile.STRIPIFY);
        System.out.println("About to load");

        Scene s = f.load(url);
        Transform3D myTrans = new Transform3D();
        myTrans.setTranslation(new Vector3f(eyeOffset, -eyeOffset, 0F));
        TransformGroup mytg = new TransformGroup(myTrans);
        //mytg.addChild(s.getSceneGroup());
        tg.addChild(mytg);
        Transform3D myTrans2 = new Transform3D();
        myTrans2.setTranslation(new Vector3f(-eyeOffset, +eyeOffset, 0F));
        TransformGroup mytg2 = new TransformGroup(myTrans2);
        //mytg2.addChild(s.getSceneGroup());
        Hashtable table = s.getNamedObjects();
        for (Enumeration e = table.keys(); e.hasMoreElements();) {
            Object key = e.nextElement();
            System.out.println(key);
            Object obj = table.get(key);
            System.out.println(obj.getClass().getName());
            Shape3D shape = (Shape3D) obj;
            //shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
            Appearance ap = new Appearance();
            Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
            Color3f red = new Color3f(0.7f, .0f, .15f);
            Color3f green = new Color3f(0f, .7f, .15f);
            ap.setMaterial(new Material(green, black, green, black, 1.0f));
            Appearance ap2 = new Appearance();
            ap2.setMaterial(new Material(red, black, red, black, 1.0f));
            float transparencyValue = 0.5f;
            TransparencyAttributes t_attr = new TransparencyAttributes(TransparencyAttributes.BLENDED,
                    transparencyValue, TransparencyAttributes.BLEND_SRC_ALPHA,
                    TransparencyAttributes.BLEND_ONE);
            ap2.setTransparencyAttributes(t_attr);
            ap2.setRenderingAttributes(new RenderingAttributes());
            ap.setTransparencyAttributes(t_attr);
            ap.setRenderingAttributes(new RenderingAttributes());
            // bg.addChild(ap);
            shape.setAppearance(ap);
            mytg2.addChild(new Shape3D(shape.getGeometry(), ap2));
            mytg.addChild(new Shape3D(shape.getGeometry(), ap));
        }
        tg.addChild(mytg2);
        System.out.println("Finished Loading");
        BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
        Color3f light1Color = new Color3f(.9f, 0.9f, 0.9f);
        Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
        DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
        light1.setInfluencingBounds(bounds);
        objTrans.addChild(light1);
        // Set up the ambient light
        Color3f ambientColor = new Color3f(1.0f, .4f, 0.3f);
        AmbientLight ambientLightNode = new AmbientLight(ambientColor);
        ambientLightNode.setInfluencingBounds(bounds);
        objTrans.addChild(ambientLightNode);

        MouseRotate behavior = new MouseRotate();
        behavior.setTransformGroup(tg);
        objTrans.addChild(behavior);
        // Create the translate behavior node
        MouseTranslate behavior3 = new MouseTranslate();
        behavior3.setTransformGroup(tg);
        objTrans.addChild(behavior3);
        behavior3.setSchedulingBounds(bounds);

        KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(tg);
        keyNavBeh.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000.0));
        objTrans.addChild(keyNavBeh);

        behavior.setSchedulingBounds(bounds);
        objRoot.addChild(objTrans);
    } catch (Throwable t) {
        System.out.println("Error: " + t);
    }
    return objRoot;
}

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From source file:AppearanceExplorer.java

TransparencyAttributesEditor(TransparencyAttributes init) {
    transpAttr = init;/* www.j  a  v a  2  s.  c  o m*/
    transparency = transpAttr.getTransparency();
    mode = transpAttr.getTransparencyMode();
    srcBlendFunction = transpAttr.getSrcBlendFunction();
    dstBlendFunction = transpAttr.getDstBlendFunction();

    setLayout(new GridLayout(4, 1));

    FloatLabelJSlider transparencySlider = new FloatLabelJSlider("Transparency", 0.1f, 0.0f, 1.0f,
            transparency);
    transparencySlider.setMajorTickSpacing(0.1f);
    transparencySlider.setPaintTicks(true);
    transparencySlider.addFloatListener(new FloatListener() {
        public void floatChanged(FloatEvent e) {
            transparency = e.getValue();
            transpAttr.setTransparency(transparency);
        }
    });
    add(transparencySlider);

    String[] modeNames = { "NONE", "SCREEN_DOOR", "BLENDED", "NICEST", "FASTEST" };
    int[] modeValues = { TransparencyAttributes.NONE, TransparencyAttributes.SCREEN_DOOR,
            TransparencyAttributes.BLENDED, TransparencyAttributes.NICEST, TransparencyAttributes.FASTEST };

    IntChooser modeChooser = new IntChooser("Mode:", modeNames, modeValues, mode);
    modeChooser.addIntListener(new IntListener() {
        public void intChanged(IntEvent event) {
            mode = event.getValue();
            transpAttr.setTransparencyMode(mode);
        }
    });
    add(modeChooser);

    String[] blendNames = { "BLEND_ZERO", "BLEND_ONE", "BLEND_SRC_ALPHA", "BLEND_ONE_MINUS_SRC_ALPHA" };
    int[] blendValues = { TransparencyAttributes.BLEND_ZERO, TransparencyAttributes.BLEND_ONE,
            TransparencyAttributes.BLEND_SRC_ALPHA, TransparencyAttributes.BLEND_ONE_MINUS_SRC_ALPHA, };
    IntChooser srcBlendFunctionChooser = new IntChooser("Src Blend Func:", blendNames, blendValues,
            srcBlendFunction);
    srcBlendFunctionChooser.addIntListener(new IntListener() {
        public void intChanged(IntEvent event) {
            srcBlendFunction = event.getValue();
            transpAttr.setSrcBlendFunction(srcBlendFunction);
        }
    });
    add(srcBlendFunctionChooser);
    IntChooser dstBlendFunctionChooser = new IntChooser("Dst Blend Func:", blendNames, blendValues,
            dstBlendFunction);
    dstBlendFunctionChooser.addIntListener(new IntListener() {
        public void intChanged(IntEvent event) {
            dstBlendFunction = event.getValue();
            transpAttr.setDstBlendFunction(dstBlendFunction);
        }
    });
    add(dstBlendFunctionChooser);
}

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