1. class LostTreasureAdventure {
2.     constructor() {
3.         this.gridSize = 5;
4.         this.heroPosition = { x: 2, y: 2 };
5.         this.treasurePosition = this.getRandomPosition();
6.         this.obstaclePosition = this.getRandomPosition();
7.  
8.         while (this.positionsAreSame(this.treasurePosition, this.heroPosition) ||
9.                this.positionsAreSame(this.obstaclePosition, this.heroPosition) ||
10.                this.positionsAreSame(this.treasurePosition, this.obstaclePosition)) {
11.             this.treasurePosition = this.getRandomPosition();
12.             this.obstaclePosition = this.getRandomPosition();
13.         }
14.     }
15.  
16.     positionsAreSame(pos1, pos2) {
17.         return pos1.x === pos2.x && pos1.y === pos2.y;
18.     }
19.  
20.     getRandomPosition() {
21.         return { x: Math.floor(Math.random() * this.gridSize), y: Math.floor(Math.random() * this.gridSize) };
22.     }
23.  
24.     moveHero(direction) {
25.         switch (direction) {
26.             case "north":
27.                 this.heroPosition.y = Math.max(0, this.heroPosition.y - 1);
28.                 break;
29.             case "south":
30.                 this.heroPosition.y = Math.min(this.gridSize - 1, this.heroPosition.y + 1);
31.                 break;
32.             case "east":
33.                 this.heroPosition.x = Math.min(this.gridSize - 1, this.heroPosition.x + 1);
34.                 break;
35.             case "west":
36.                 this.heroPosition.x = Math.max(0, this.heroPosition.x - 1);
37.                 break;
38.             default:
39.                 alert("Ye have chosen a path unknown! Choose: north, south, east, or west.");
40.                 return;
41.         }
42.  
43.         if (this.positionsAreSame(this.heroPosition, this.treasurePosition)) {
44.             alert("By the gods! You have found the hidden treasure at (" + this.heroPosition.x + "," + this.heroPosition.y + ")!");
45.             if (confirm("Wilt thou embark on another quest?")) {
46.                 this.resetAdventure();
47.             }
48.         } else if (this.positionsAreSame(this.heroPosition, this.obstaclePosition)) {
49.             alert("Alas! Ye have encountered a perilous beast at (" + this.heroPosition.x + "," + this.heroPosition.y + ") and met thy doom. Valiant was thy effort.");
50.             if (confirm("Dare ye tempt fate once more?")) {
51.                 this.resetAdventure();
52.             }
53.         } else {
54.             alert("Thou art now in the land of (" + this.heroPosition.x + "," + this.heroPosition.y + "). Press onward in your quest!");
55.             this.promptMove();
56.         }
57.     }
58.  
59.     resetAdventure() {
60.         this.heroPosition = { x: 2, y: 2 };
61.         this.treasurePosition = this.getRandomPosition();
62.         this.obstaclePosition = this.getRandomPosition();
63.  
64.         while (this.positionsAreSame(this.treasurePosition, this.heroPosition) ||
65.                this.positionsAreSame(this.obstaclePosition, this.heroPosition) ||
66.                this.positionsAreSame(this.treasurePosition, this.obstaclePosition)) {
67.             this.treasurePosition = this.getRandomPosition();
68.             this.obstaclePosition = this.getRandomPosition();
69.         }
70.  
71.         this.promptMove();
72.     }
73.  
74.     promptMove() {
75.         const direction = prompt("Choose thy path, brave adventurer! (north, south, east, west)");
76.         this.moveHero(direction);
77.     }
78.  
79.     start() {
80.         alert("Hearken! Beware the great obstacle, for many have lost their souls in this pursuit of hidden treasure. Embark on this quest to find the treasure hidden deep within the realm!");
81.         this.promptMove();
82.     }
83. }
84.  
85. const adventure = new LostTreasureAdventure();
86. adventure.start();