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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.library;
import java.util.*;
/**
* mettre dans des espaces et les supprimer
* quand ils sont vides.
*/
public class DoubleArray {
    private int [] stack = new int [5];
    public int current = 0;
    private int length = 1000*1000;
    List doubles;
    List index;
    List dimensions;
    int spaces;
    boolean [] freeSpace;
    int max = 0;
    public DoubleArray(int spaces, int spaceLength){
        freeSpace = new boolean[spaces];
        this.spaces = spaces;
        doubles = new ArrayList<>();
        doubles.add(new Double[spaceLength]);
        index = new ArrayList<>();
        index.add(new Integer[spaceLength]);
        dimensions = new ArrayList<>();
        dimensions.add(new Integer[spaceLength]);
      //  location = new ArrayList<>()
    }
    public void clear() {
         for(int i=0; i=0;
    }
    // copy to free memory disallocated space.
    public void save(int start0) {
        int n = dimensions.get(0)[this.index.get(0)[start0]];
        for(int i= 0; i