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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;

import java.util.HashMap;

/*__
 * Created by Win on 26-01-16.
 */
public class Rotation implements MatrixPropertiesObject  {
    protected StructureMatrix rot;
    protected StructureMatrix centreRot;
    protected boolean unmodified = true;
    public Rotation() {
            rot  = new StructureMatrix<>(0, Matrix33.class);
            centreRot = new StructureMatrix<>(0, Point3D.class);
            this.rot.setElem(Matrix33.I);
            this.centreRot.setElem(Point3D.O0);
    }
    public Rotation(Matrix33 rot, Point3D centreRot) {
        this();
        if(rot==null)
           rot = Matrix33.I;
         if(centreRot==null)
             centreRot = Point3D.O0;    
       /* if(this.rot==null||this.rot.getElem()==null)
            this.rot = rot1;
        if(this.centreRot==null||this.centreRot.getElem()==null)
            this.centreRot = centreRot1;
            */
        this.rot.setElem(rot);
        this.centreRot.setElem(centreRot);
    }

    public boolean isUnmodified() {
        return unmodified;
    }

    public void setUnmodified(boolean unmodified) {
        this.unmodified = unmodified;
    }

    public Point3D rotation(Point3D p ) {
        if(p!=null&¢reRot!=null&&rot!=null) {
           try {
                return centreRot.getElem().plus(rot.getElem().mult(p.moins(centreRot.getElem())));
           } catch(NullPointerException ex) {
                ex.printStackTrace();
           }
        }
        return p;
    }

    public Point3D rotationAxe(Point3D p, int axe, double angle) {

        return Matrix33.rotationX(angle).mult(p);
    }

    public StructureMatrix getRot() {
        return rot;
    }

    public void setRot(StructureMatrix rot) {
        this.rot = rot;
    }

    public StructureMatrix getCentreRot() {
        return centreRot;
    }

    public void setCentreRot(StructureMatrix centreRot) {
        this.centreRot = centreRot;
    }
    private HashMap declaredDataStructures = new HashMap<>();
    @Override
    public StructureMatrix getDeclaredProperty(String name) {
        return declaredDataStructures.get(name);
    }

    @Override
    public void declareProperties() {
        declaredDataStructures.put("rot/Matrice de rotation 3x3", getRot());
        declaredDataStructures.put("centreRot/Centre de rotation", getCentreRot());
    }

    @Override
    public HashMap declarations() {
        declareProperties();
        return declaredDataStructures;
    }

    @Override
    public MatrixPropertiesObject copy() throws CopyRepresentableError, IllegalAccessException, InstantiationException {
        return new Rotation((Matrix33)getRot().copy().getElem(), (Point3D) (getCentreRot().copy().getElem()));
    }
}