Java Distance Calculate distance(double u, double v, double pu, double pv)

Description

Returns the distance from point u,v to point pu,pv

License

Open Source License

Parameter

Parameter	Description
u	u coordinate of point u,v
v	v coordinate of point u,v
pu	pu coordinate of point pu,pv
pv	pv coordinate of point pu,pv

Return

The distance from one point to the other using Pythagoras

Declaration

public static double distance(double u, double v, double pu, double pv) 

Method Source Code

//package com.java2s;
/*//from w  ww  .  j ava  2  s .c  om
 * Texture Generator Library by Andy Gibson
 *
 * This software is distributed under the terms of the FSF Lesser
 * Gnu Public License. It is provided as-is, without any express
 * or implied warranty, or guarantee of any kind.
 *
 */

public class Main {
    /**
     * Returns the distance from point u,v to point pu,pv
     * 
     * @param u
     *            u coordinate of point u,v
     * @param v
     *            v coordinate of point u,v
     * @param pu
     *            pu coordinate of point pu,pv
     * @param pv
     *            pv coordinate of point pu,pv
     * @return The distance from one point to the other using Pythagoras
     */
    public static double distance(double u, double v, double pu, double pv) {

        double du = pu - u;
        double dv = pv - v;
        dv = dv * dv;
        du = du * du;

        return Math.sqrt(dv + du);
    }
}

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