jtrace.object.transformation.Translation.java Source code

Introduction

Here is the source code for jtrace.object.transformation.Translation.java

Source

/*
 * Copyright (C) 2014 Tim Vaughan <tgvaughan@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package jtrace.object.transformation;

import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;

/**
 * Translation coordinate transformation.
 *
 * @author Tim Vaughan <tgvaughan@gmail.com>
 */
public class Translation extends Transformation {

    /**
     * Translation vector
     */
    private final Vector3D delta;

    /**
     * Construct new translation using given 3D translation vector.
     * 
     * @param delta translation vector
     */
    public Translation(Vector3D delta) {
        this.delta = delta;
    }

    /**
     * Construct new translation using given translation vector components.
     * 
     * @param deltaX
     * @param deltaY
     * @param deltaZ 
     */
    public Translation(double deltaX, double deltaY, double deltaZ) {
        this.delta = new Vector3D(deltaX, deltaY, deltaZ);
    }

    @Override
    public Vector3D apply(Vector3D vec) {
        return vec.add(delta);
    }

    @Override
    public Vector3D applyInverse(Vector3D vec) {
        return vec.subtract(delta);
    }

}