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

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/*
 * 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.testscopy.tests.tests2.sablier;

import one.empty3.library.Point3D;
import one.empty3.library.core.nurbs.ParametricSurface;

/*__
 * Created by manue on 01-11-15.
 */

public class Sablier extends ParametricSurface {

    protected double NFAST = 100;

    @Override
    public Point3D calculerPoint3D(double u, double v) {
        Point3D p = new Point3D(
                Math.cos(Math.PI * 2 * u) * Math.sin(Math.PI / 2 + Math.PI * v),
                v,
                Math.sin(Math.PI * 2 * u) * Math.sin(Math.PI / 2 + Math.PI * v));
        p.texture(this.texture());
        return p;
    }

    @Override
    public Point3D calculerVitesse3D(double v, double v1) {
        return null;
    }


}