Setup

FlappyBird/scripts/Ground.cs

@@ -0,0 +1,14 @@
+using Godot;
+using System;
+
+public class Ground : Area2D
+{
+	private void _on_Ground_player_entered(object body)
+	{
+		if (body is Player)
+		{
+			Player player = body as Player;
+			player.die();
+		}
+	}
+}