Updated part of the first level

game/materials/walls_gray.tres

@@ -3,6 +3,7 @@
 [ext_resource type="Shader" uid="uid://lqq1mg6l1qqe" path="res://game/shaders/black_n_white.gdshader" id="1_rnyyp"]
 
 [resource]
+resource_local_to_scene = true
 shader = ExtResource("1_rnyyp")
 shader_parameter/black_color = Color(0, 0, 0, 1)
 shader_parameter/white_color = Color(1, 1, 1, 1)
@@ -11,4 +12,6 @@ shader_parameter/threshold = 0.5
 shader_parameter/speed = 0.5
 shader_parameter/intensity = 0.5
 shader_parameter/scale = 0.1
+shader_parameter/seed = 0.0
+shader_parameter/direction = Vector2(1, 1)
 shader_parameter/use_world_pos = true