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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.fourisland.fourpuzzle;
/**
*
* @author hatkirby
*/
public enum Direction {
North
{
public Direction opposite()
{
return Direction.South;
}
public Direction left()
{
return Direction.West;
}
public Direction right()
{
return Direction.East;
}
},
East
{
public Direction opposite()
{
return Direction.West;
}
public Direction left()
{
return Direction.North;
}
public Direction right()
{
return Direction.South;
}
},
South
{
public Direction opposite()
{
return Direction.North;
}
public Direction left()
{
return Direction.East;
}
public Direction right()
{
return Direction.West;
}
},
West
{
public Direction opposite()
{
return Direction.East;
}
public Direction left()
{
return Direction.South;
}
public Direction right()
{
return Direction.North;
}
};
/**
* Returns the direction opposite from the current one
*
* @return A Direction representing the wanted direction
*/
public abstract Direction opposite();
/**
* Returns the direction counterclockwise from the current one
*
* @return A Direction representing the wanted direction
*/
public abstract Direction left();
/**
* Returns the direction clockwise from the current one
*
* @return A Direction representing the wanted direction
*/
public abstract Direction right();
}
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