Java Angle Difference angleDiff(int ang1, int ang2)

Description

angle Diff

License

Open Source License

Declaration

public static int angleDiff(int ang1, int ang2) 

Method Source Code

//package com.java2s;
/* Utils.java -- A collection of utility functions for the autofitter
   Copyright (C) 2006 Free Software Foundation, Inc.
    //from w w w.  j  av  a  2  s . c om
This file is part of GNU Classpath.
    
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
    
GNU Classpath 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.
    
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
    
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
    
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */

public class Main {
    private static final int ANGLE_PI = 256;
    private static final int ANGLE_2PI = ANGLE_PI * 2;

    public static int angleDiff(int ang1, int ang2) {
        int delta = ang2 - ang1;
        delta %= ANGLE_2PI;
        if (delta < 0)
            delta += ANGLE_2PI;
        if (delta > ANGLE_PI)
            delta -= ANGLE_2PI;
        return delta;
    }
}

Related

1. angleDiff(double a, double b)
2. angleDiff(double alpha, double beta)
3. angleDiff(double angle1, double angle2, boolean normalized)
4. angleDiff(final double a1, final double a2)
5. angleDiff(float a, float b)
6. angleDiff(int angle1, int angle2)
7. angleDiff360(final double angleOne, final double angleTwo)
8. angleDiffAbs(double a, double b)
9. angleDifference(double angle1, double angle2)