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Noise generation library for Java, based on the libnoise C++ library.
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/*
 * This file is part of Flow Noise, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2013 Flow Powered 
 * Original libnoise in C++ by Jason Bevins 
 * jlibnoise Java port by Garrett Fleenor 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.flowpowered.noise.module.modifier;

import com.flowpowered.noise.exception.NoModuleException;
import com.flowpowered.noise.module.Module;

public class TranslatePoint extends Module {
    // Default translation factor applied to the @a x coordinate for the
    // noise::module::TranslatePoint noise module.
    public static final double DEFAULT_TRANSLATE_POINT_X = 0.0;
    // Default translation factor applied to the @a y coordinate for the
    // noise::module::TranslatePoint noise module.
    public static final double DEFAULT_TRANSLATE_POINT_Y = 0.0;
    // Default translation factor applied to the @a z coordinate for the
    // noise::module::TranslatePoint noise module.
    public static final double DEFAULT_TRANSLATE_POINT_Z = 0.0;
    // Translation amount applied to the @a x coordinate of the input
    // value.
    private double xTranslation = DEFAULT_TRANSLATE_POINT_X;
    // Translation amount applied to the @a y coordinate of the input
    // value.
    private double yTranslation = DEFAULT_TRANSLATE_POINT_Y;
    // Translation amount applied to the @a z coordinate of the input
    // value.
    private double zTranslation = DEFAULT_TRANSLATE_POINT_Z;

    public TranslatePoint() {
        super(1);
    }

    public double getXTranslation() {
        return xTranslation;
    }

    public void setXTranslation(double xTranslation) {
        this.xTranslation = xTranslation;
    }

    public double getYTranslation() {
        return yTranslation;
    }

    public void setYTranslation(double yTranslation) {
        this.yTranslation = yTranslation;
    }

    public double getZTranslation() {
        return zTranslation;
    }

    public void setZTranslation(double zTranslation) {
        this.zTranslation = zTranslation;
    }

    public void setTranslations(double x, double y, double z) {
        setXTranslation(x);
        setYTranslation(y);
        setZTranslation(z);
    }

    @Override
    public int getSourceModuleCount() {
        return 1;
    }

    @Override
    public double getValue(double x, double y, double z) {
        if (sourceModule[0] == null) {
            throw new NoModuleException();
        }

        return sourceModule[0].getValue(x + xTranslation, y + yTranslation, z + zTranslation);
    }
}