Returns a new vector that is the normalized form of the specified vector. - Java java.lang

Java examples for java.lang:Math Matrix

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Description

Returns a new vector that is the normalized form of the specified vector.

Demo Code

/* --------------------------------------------------------===
 * Orson Charts : a 3D chart library for the Java(tm) platform
 * --------------------------------------------------------===
 * /*from ww w .  jav  a 2s.co m*/
 * (C)opyright 2013-2016, by Object Refinery Limited.  All rights reserved.
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 * 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.
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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public class Main{
    /**
     * Returns a new vector that is the normalized form of the specified 
     * vector.
     * 
     * @param v  the vector ({@code null} not permitted).
     * 
     * @return The normalized form of the specified vector.
     * 
     * @since 1.2
     */
    public static Point3D normalise(Point3D v) {
        double length = length(v);
        return new Point3D(v.x / length, v.y / length, v.z / length);
    }
    /**
     * Returns the length of the vector v.
     * 
     * @param v  the vector ({@code null} not permitted).
     * 
     * @return The length.
     */
    public static double length(Point3D v) {
        return Math.sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
    }
}

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