determine if two points are close to each other (no sqrt=faster) - Java java.lang

Java examples for java.lang:Math Function

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Description

determine if two points are close to each other (no sqrt=faster)

Demo Code


//package com.java2s;

public class Main {
    /**//from w w  w .j  av a  2s .com
     * determine if two points are close to each other (no sqrt=faster)
     * 
     * @return true if points are within the given max distance
     */
    public static boolean pointsClose(float x1, float y1, float x2,
            float y2, float maxDistance) {
        return Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2) < Math.pow(
                maxDistance, 2);
    }
}

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