Point no longer shown when already planted

stages/terrain/region/scripts/plant_grid.gd

@@ -17,6 +17,7 @@ var region : Region
 var noise : Noise
 
 var points : Array[Vector2]
+var point_occupied : Array[bool]
 
 func _init(
     _region : Region
@@ -34,6 +35,10 @@ func _process(delta):
     if refresh_timer > REFRESH_TIME:
         refresh_timer = 0
         points = get_grid_point()
+        point_occupied.resize(len(points))
+        for point_ind in range(len(points)):
+            point_occupied[point_ind] = region.data.plants.any(func(plant_data):return points[point_ind].distance_to(plant_data.position) < 21)
+            
     var current_item = GameInfo.game_data.player_data.inventory.get_item()
     var target_opacity = (1.) if current_item and current_item.snap_usage_to_grid() else 0.
 
@@ -43,8 +48,9 @@ func _process(delta):
         0.1)
 
 func _draw():
-    for p in points:
-        draw_point(p)
+    for p_ind in range(len(points)):
+        if not point_occupied[p_ind]:
+            draw_point(points[p_ind])
 
 
 func get_grid_point() -> Array[Vector2]: