Examples of com.jme3.math.Vector2f

com.jme3.math.Vector2f
Vector2f defines a Vector for a two float value vector. @author Mark Powell @author Joshua Slack


    private Material createLumShader(int srcW, int srcH, int bufW, int bufH, int mode,
                                int iters, Texture tex){
        Material mat = new Material(manager, "Common/MatDefs/Hdr/LogLum.j3md");
        
        Vector2f blockSize = new Vector2f(1f / bufW, 1f / bufH);
        Vector2f pixelSize = new Vector2f(1f / srcW, 1f / srcH);
        Vector2f blocks = new Vector2f();
        float numPixels = Float.POSITIVE_INFINITY;
        if (iters != -1){
            do {
                pixelSize.multLocal(2);
                blocks.set(blockSize.x / pixelSize.x,
                           blockSize.y / pixelSize.y);
                numPixels = blocks.x * blocks.y;
            } while (numPixels > iters);
        }else{
            blocks.set(blockSize.x / pixelSize.x,
                       blockSize.y / pixelSize.y);
            numPixels = blocks.x * blocks.y;
        }


        mat.setBoolean("Blocks", true);

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     */
    public static Vector2f[] getVector2Array(FloatBuffer buff) {
        buff.clear();
        Vector2f[] verts = new Vector2f[buff.limit() / 2];
        for (int x = 0; x < verts.length; x++) {
            Vector2f v = new Vector2f(buff.get(), buff.get());
            verts[x] = v;
        }
        return verts;
    }

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     *            the position (in terms of vectors, not floats) of the vector
     *            to normalize
     */
    public static void normalizeVector2(FloatBuffer buf, int index) {
        TempVars vars = TempVars.get();
        Vector2f tempVec2 = vars.vect2d;
        populateFromBuffer(tempVec2, buf, index);
        tempVec2.normalizeLocal();
        setInBuffer(tempVec2, buf, index);
        vars.release();
    }

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     *            the position (in terms of vectors, not floats) of the vector
     *            to add to
     */
    public static void addInBuffer(Vector2f toAdd, FloatBuffer buf, int index) {
        TempVars vars = TempVars.get();
        Vector2f tempVec2 = vars.vect2d;
        populateFromBuffer(tempVec2, buf, index);
        tempVec2.addLocal(toAdd);
        setInBuffer(tempVec2, buf, index);
        vars.release();
    }

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     *            the position (in terms of vectors, not floats) of the vector
     *            to multiply
     */
    public static void multInBuffer(Vector2f toMult, FloatBuffer buf, int index) {
        TempVars vars = TempVars.get();
        Vector2f tempVec2 = vars.vect2d;
        populateFromBuffer(tempVec2, buf, index);
        tempVec2.multLocal(toMult);
        setInBuffer(tempVec2, buf, index);
        vars.release();
    }

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     *            in the buffer to check against
     * @return true if the data is equivalent, otherwise false.
     */
    public static boolean equals(Vector2f check, FloatBuffer buf, int index) {
        TempVars vars = TempVars.get();
        Vector2f tempVec2 = vars.vect2d;
        populateFromBuffer(tempVec2, buf, index);
        boolean eq = tempVec2.equals(check);
        vars.release();
        return eq;
    }

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        }else{
            store = BufferUtils.createFloatBuffer(getWidth()*getHeight()*2);
        }


        if (offset == null)
            offset = new Vector2f();


        Vector2f tcStore = new Vector2f();
        for (int y = 0; y < getHeight(); y++){
            for (int x = 0; x < getWidth(); x++){
                getUV(x,y,tcStore);
                store.put( offset.x + tcStore.x * scale.x );
                store.put( offset.y + tcStore.y * scale.y );

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        normalPass = new Pass();
        normalPass.init(renderManager.getRenderer(), (int) (screenWidth / downSampleFactor), (int) (screenHeight / downSampleFactor), Format.RGBA8, Format.Depth);




        frustumNearFar = new Vector2f();


        float farY = (vp.getCamera().getFrustumTop() / vp.getCamera().getFrustumNear()) * vp.getCamera().getFrustumFar();
        float farX = farY * ((float) screenWidth / (float) screenHeight);
        frustumCorner = new Vector3f(farX, farY, vp.getCamera().getFrustumFar());
        frustumNearFar.x = vp.getCamera().getFrustumNear();

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            fadeInfo = null;
            fadeLength = 0;
            postshadowMat.clearParam("FadeInfo");
        } else {
            if (zFarOverride == 0) {
                fadeInfo = new Vector2f(0, 0);
            } else {
                fadeInfo = new Vector2f(zFarOverride - length, 1.0f / length);
            }
            fadeLength = length;
            postshadowMat.setVector2("FadeInfo", fadeInfo);
        }
    }

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            fadeInfo = null;
            fadeLength = 0;
            postshadowMat.clearParam("FadeInfo");
        } else {
            if (zFarOverride == 0) {
                fadeInfo = new Vector2f(0, 0);
            } else {
                fadeInfo = new Vector2f(zFarOverride - length, 1.0f / length);
            }
            fadeLength = length;
            postshadowMat.setVector2("FadeInfo", fadeInfo);
        }
    }

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