eLevel(
          40,
          [
            { type: "fence", x: 100, y: 100, width: 10, height: 150 },
            { type: "fence", x: 100, y: 100, width: 150, height: 10 },
            { type: "rock", x: 400, y: 300, width: 40, height: 40 },
          ],
          680,
          480,
          []
        ),
        createLevel(
          50,
          [
            { type: "river", x: 300, y: 0, width: 50, height: 600 }, // Full-height river
          ],
          680,
          480,
          []
       