Add experimental road generation (generated by deepseek)

scripts/road.gd

@@ -0,0 +1,18 @@
+extends Node3D
+
+@export var despawn_distance := 50.0  # Distance behind player to despawn
+var player: Node3D
+
+func _ready():
+	# Find the player once when road spawns
+	player = get_tree().get_first_node_in_group("player")
+	
+	# Set up despawn area
+	var area = $DespawnArea
+	area.body_exited.connect(_on_body_exited)
+	area.position.z -= 10  # Adjust for scaled position
+
+func _on_body_exited(body: Node):
+	if body == player:
+		if global_position.x < player.global_position.x - despawn_distance:
+			queue_free()