one.empty3.library.core.raytracer.tree.TreeTreeNode Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of empty3-library-3d Show documentation

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.core.raytracer.tree;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;

public class TreeTreeNode extends TreeNode {
    private final AlgebricTree tree;
    private Method method = null;

    public TreeTreeNode(TreeNode t, Object[] objects, TreeNodeType type) {
        super(t, objects, type);
        tree = new AlgebricTree((String)objects[0], (Map)objects[1]);
        try {
            tree.construct();
            if(objects[2] instanceof String && ((String)objects[2]).length()>0) {
                String call =(String) objects[2];
                if(call.length()>1)
                    method = Math.class.getMethod(call, double.class);
            }
        } catch (AlgebraicFormulaSyntaxException | NoSuchMethodException e) {
            e.printStackTrace();
        }
    }

    @Override
    public Double eval() throws TreeNodeEvalException, AlgebraicFormulaSyntaxException {
        double r = 0.0;
        r = tree.eval();
        if(method!=null) {
            try {
                r = (Double) method.invoke(Math.class, r);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            }
        }
        return r;

    }
}