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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package OO14route66;
/**
* OO1route66 initial class
* @author Pieter Koopman
*
* Enumeration class for driving directions
*/
public enum Direction
{
North, East, South, West;
/**
* convert integer to direction
* if number of directions is 2 only East and West are used,
* otherwise all 4 directions are used
* @param i the integer
* @return the direction
*/
public static Direction intToDirection(int i) {
if (Model.DIRECTIONS == 2) {
switch (i % 2) {
case 0: return East;
default: return West;
}
} else {
switch (i % 4) {
case 0: return North;
case 1: return East;
case 2: return South;
default: return West;
}
}
}
/**
* Get the opposite of a direction
* @param direction
* @return
*/
public static Direction opposite(Direction direction) {
switch (direction) {
case North: return South;
case South: return North;
case East: return West;
case West: return East;
default: return direction;
}
}
/**
* override standard toString
* @return string representation of this value
*/
@Override
public String toString() {
switch (this) {
case North: return "North";
case East: return "East";
case South: return "South";
case West: return "West";
default: return "Unknown direction";
}
}
}
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