Fog.java

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package com.runehive.content.lms.fog;
 
public class Fog {
 
    private int lowX;
 
    public int getLowX() { return lowX; }
 
    private int lowY;
 
    public int getLowY() { return lowY; }
 
    private int highX;
 
    public int getHighX() { return highX; }
 
    private int highY;
 
    public int getHighY() { return highY; }
 
    public Fog(int lowX, int lowY, int highX, int highY) {
        this.lowX = lowX;
        this.lowY = lowY;
        this.highX = highX;
        this.highY = highY;
    }
 
    public void decrease() {
        lowX += 1;
        lowY += 1;
        highX -= 1;
        highY -= 1;
        System.out.println("fog decrease....");
    }
 
    public void reset() {
        lowX = -1;
        lowY = -1;
        highX = -1;
        highY = -1;
    }
 
    public boolean isSafe() {
        return lowX == -1 && lowY == -1 && highX == -1 && highY == -1;
    }
}