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3D rendering engine. Plus modelling. Expected glsl textures 3d and 2d rendering3D primitives, and a lot of scenes' samples to test.+ Game Jogl reworked, Calculator (numbers and vectors). Java code parser implementation starts (<=1.2)

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/*
 *
 *  * Copyright (c) 2024. Manuel Daniel Dahmen
 *  *
 *  *
 *  *    Copyright 2024 Manuel Daniel Dahmen
 *  *
 *  *    Licensed under the Apache License, Version 2.0 (the "License");
 *  *    you may not use this file except in compliance with the License.
 *  *    You may obtain a copy of the License at
 *  *
 *  *        http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  *    Unless required by applicable law or agreed to in writing, software
 *  *    distributed under the License is distributed on an "AS IS" BASIS,
 *  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  *    See the License for the specific language governing permissions and
 *  *    limitations under the License.
 *
 *
 */

package one.empty3.feature20220726;

import java.awt.Color;
import javaAnd.awt.image.imageio.ImageIO;
import one.empty3.io.ProcessFile;

import java.io.File;
import java.io.IOException;
import java.util.Objects;

/*
sobel. 3×3 ou plus. 1*2+1
|p1 -p2| (/ n/n)?
*/
public class SobelDerivative extends ProcessFile {
    private final boolean isX;
    private int lines = 3;
    private int columns = 3;
    double[] sobelX = new double[]{-1, -2, -1, 0, 0, 0
            , 1, 2, 1};
    double[] sobelY = new double[]{-1, 0, -1,
            -2, 0, 2
            , 1, 0, 1};

    public SobelDerivative() {
        this.isX = true;
    }

    private void fill() {

    }

    public double x(int i, int j) {
        return sobelX[i * lines + j];
    }

    public double y(int i, int j) {
        return sobelY[i * lines + j];
    }

    public void theta(int i, int j) {

    }

    public double filter(PixM p, int x, int y) {
        int dy = (int) (lines / 2);
        int dX = (int) (columns / 2);
        double sumX = 0, sumY = 0;
        for (int c = 0; c < 3; c++) {
            for (int l = 0; l < 3; l++) {
                sumX += sobelX[l * columns + c] * p.get(x + c - 1, y + l - 1);
                sumY += sobelY[l * columns + c] * p.get(x + c - 1, y + l - 1);
            }
        }
        return Math.sqrt(sumX * sumX + sumY * sumY);
    }

    @Override
    public boolean process(File in, File out) {
        PixM p = PixM.getPixM(Objects.requireNonNull(ImageIO.read(in)), maxRes);
        PixM pOut = p.copy();
        for (int j = 0; j < p.getLines(); j++) {
            for (int i = 0; i < p.getColumns(); i++) {
                for (int c = 0; c < 3; c++) {
                    p.setCompNo(c);
                    pOut.setCompNo(c);
                    double filter = filter(p, i, j);
                    pOut.set(i, j, filter);
                }
            }
        }
        ImageIO.write(pOut.normalize(0, 1).getImage(), "jpg", out);
        return true;
    }
}