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

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/*
 * Copyright (c) 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.core.nurbs;

import one.empty3.library.*;

/*__
 * Created by manue on 11-03-19.
 */
public class NurbsBaseFunction extends ParametricCurve
{
    private final Point3D [] P;
    private final int degree;
    private final double knot[];
    private final int length;
    private final double[] weight;

    public NurbsBaseFunction(double [] t, int degree, Point3D [] controls,double [] weigth)
    {
        this.P = controls;
        this.weight = weigth;
        knot = t;
        this.degree = degree;
        this.length = t.length;
    }

    public Point3D calculerPoint3D(double t)
    {
        Point3D sum = Point3D.O0;
        double div = 0;
        for(int i=0; i= knot[j]&&t