Java Distance Calculate distance(float x1, float y1, float x2, float y2)

Description

2D distance formula.

License

Open Source License

Parameter

Parameter	Description
x1	x coord
y1	y coord
x2	x coord
y2	y coord

Return

float distance

Declaration

public final static float distance(float x1, float y1, float x2, float y2) 

Method Source Code

//package com.java2s;

public class Main {
    /**//  ww  w . j a  v a  2  s . c  o  m
     * 2D distance formula.
     * <p>
     * 
     * @param x1 x coord
     * @param y1 y coord
     * @param x2 x coord
     * @param y2 y coord
     * @return float distance
     */
    public final static float distance(float x1, float y1, float x2, float y2) {
        double xdiff = x2 - x1;
        double ydiff = y2 - y1;
        return (float) Math.sqrt((xdiff * xdiff + ydiff * ydiff));
    }

    /**
     * 2D distance formula.
     * <p>
     * 
     * @param x1 x coord
     * @param y1 y coord
     * @param x2 x coord
     * @param y2 y coord
     * @return float distance
     */
    public final static float distance(int x1, int y1, int x2, int y2) {
        double xdiff = x2 - x1;
        double ydiff = y2 - y1;
        return (float) Math.sqrt((xdiff * xdiff + ydiff * ydiff));
    }

    /**
     * 2D distance formula.
     * <p>
     * 
     * @param x1 x coord
     * @param y1 y coord
     * @param x2 x coord
     * @param y2 y coord
     * @return double distance
     */
    public final static double distance(double x1, double y1, double x2, double y2) {
        double xdiff = x2 - x1;
        double ydiff = y2 - y1;
        return Math.sqrt((xdiff * xdiff + ydiff * ydiff));
    }
}

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