Checks to see if 2 vectors are Approximately parallel - Java java.lang

Java examples for java.lang:Math Vector

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Description

Checks to see if 2 vectors are Approximately parallel

Demo Code


import java.awt.geom.Point2D;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Stack;
import java.util.Vector;
import javax.vecmath.Vector2d;

public class Main{
    /**/*w w  w  . ja  v  a 2  s  . co  m*/
     * Checks to see if 2 vectors are <b>Approximately</b> parallel
     * 
     * @param firstVector
     *            The first Vector2D
     * @param secondVector
     *            The second Vector2D
     * @return Returns a boolean stating wether or not the Vectors are close to parallel
     */
    public static boolean areParallel(Vector2d firstVector,
            Vector2d secondVector) {
        double angleBetween = firstVector.angle(secondVector);

        return angleBetween < .00001 || angleBetween > Math.PI - .00001;
    }
}

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