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3D rendering engine. Plus modeling. Expected glsl textures 3d and 2d rendering

There is a newer version: 2024.5.10

/*
 * Copyright (c) 2022-2023. Manuel Daniel Dahmen
 *
 *
 *    Copyright 2012-2023 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.feature.myfacedetect;

import one.empty3.feature.FilterPixM;
import one.empty3.feature.PixM;

public class WeightingFunction extends FilterPixM {
    private static final double MIN_START = 0.2;

    public WeightingFunction(int l, int c) {
        super(l, c);
        generatePixels();
    }

    @Override
    public double filter(double x, double y) {
        double ratioY = y / getLines();
        for (int c = 0; c < 3; c++) {
            switch (c) {
                case 0:
                case 1:
                case  2:
                    //                   set((int) x, (int) y, ratioY <= MIN_START ? ratioY / MIN_START : (ratioY < 1 - MIN_START ? 1.0 :
                    //
                    return ratioY <= MIN_START ? ratioY / MIN_START : (ratioY < 1 - MIN_START ? 1.0 : ratioY * (1 - MIN_START));
                }
            }

        return Double.NaN;
    }

    public void generatePixels() {
        for(int j = 0; j