navigation mesh changes

radius of agents was changed from 0.5 to 0.7

Scripts/cart.gd

@@ -4,10 +4,13 @@ extends Node3D
 
 @export var cartTop: MeshInstance3D
 @export var mainCamera: Camera3D
-
+var nav_mesh: NavigationMesh
 var previewObject
 var targetPos
 
+func _ready() -> void:
+	pass
+
 func _input(event: InputEvent) -> void:
 	if event.is_action_pressed("hide_top"):
 		cartTop.visible = !cartTop.visible