Доработка. Угол наклона чёрточек на плоской кнопке

scenes/button-flat/button-flat.tscn

@@ -57,7 +57,7 @@ void fragment()
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_hhdyc"]
 resource_local_to_scene = true
 shader = SubResource("Shader_2bftm")
-shader_parameter/rotation = 45.0
+shader_parameter/rotation = 0.0
 shader_parameter/color = Vector4(1, 1, 1, 0.1)
 shader_parameter/width = 3.0
 shader_parameter/speed = 0.0
@@ -71,15 +71,22 @@ script/source = "@tool
 
 extends Sprite2D
 
-
+## Скорость движения чёрточек.
 @export var speed: float = 0.01:
     set(val): material.set('shader_parameter/speed', val)
     get: return material.get('shader_parameter/speed')
 
 
+## Режим отображения. Когда [b]true[/b], чёрточки отображаются.
 @export var disabled: bool = false:
     set(val): material.set('shader_parameter/disabled', val)
     get: return material.get('shader_parameter/disabled')
+
+
+## Угол наклона чёрточек.
+@export var strips_rotation: float = 0.0:
+    set(val): material.set('shader_parameter/rotation', val)
+    get: return material.get('shader_parameter/rotation')
 "
 
 [sub_resource type="StyleBoxEmpty" id="6"]
@@ -97,7 +104,6 @@ offset_right = 20.0
 offset_bottom = 20.0
 theme_override_styles/panel = SubResource("1")
 script = ExtResource("1_ui6sg")
-toggle_mode = true
 
 [node name="back" type="Sprite2D" parent="."]
 material = SubResource("ShaderMaterial_hhdyc")
@@ -126,9 +132,7 @@ theme_override_styles/hover = SubResource("2")
 theme_override_styles/pressed = SubResource("3")
 theme_override_styles/disabled = SubResource("5")
 theme_override_styles/focus = SubResource("4")
-toggle_mode = true
 clip_text = true
 
 [connection signal="resized" from="." to="." method="_on_resized"]
 [connection signal="visibility_changed" from="back" to="back" method="_on_visibility_changed"]
-[connection signal="toggled" from="button" to="." method="_on_button_toggled"]

scenes/button-flat/nine-patch-button.gd

@@ -2,8 +2,6 @@
 
 extends PanelContainer
 
-var save_modulate: Color
-
 func set_text(val: String): $button.set_text(val)
 func set_pressed(val: bool): $button.set_pressed(val)
 func set_disabled(val: bool): disabled = val
@@ -21,6 +19,11 @@ func is_toggle_mode(): return $button.is_toggle_mode()
     set(val): $state.set_texture(val)
 
 
+@export var strips_rotation: float:
+    set(val): $back.strips_rotation = deg_to_rad(val)
+    get: return rad_to_deg($back.strips_rotation)
+
+
 @export var text: String = '':
     set(val): $button.set_text(val)
     get: return $button.get_text()
@@ -30,10 +33,7 @@ func is_toggle_mode(): return $button.is_toggle_mode()
     set(val):
         $button.set_disabled(val)
         $back.disabled = val
-        if val:
-            $state.modulate.a = 0.5
-        else:
-            $state.modulate.a = 1.0
+        $state.modulate.a = 0.5 if val else 1.0
     get: return $button.disabled
 
 
@@ -42,10 +42,8 @@ func is_toggle_mode(): return $button.is_toggle_mode()
     get: return $button.is_pressed()
 
 
-@export var toggle_mode: bool = false:
-    set(val):
-        if is_inside_tree():
-            $button.set_toggle_mode(val)
+@export var toggle_mode: bool:
+    set(val):   $button.set_toggle_mode(val)
     get: return $button.is_toggle_mode()
 
 
@@ -57,12 +55,12 @@ func _on_resized() -> void:
 func _enter_tree() -> void:
     $back.scale = size
     $back.material.set('shader_parameter/scale', size / Vector2(20.0, 20.0))
-    save_modulate = modulate
+    $button.set_toggle_mode(true)
+    $button.connect('toggled', Callable(self, '_on_button_toggled'))
 
 
 func set_toggle_mode (val: bool):
-    if is_inside_tree():
-        $button.set_toggle_mode(val)
+    $button.set_toggle_mode(val)
 
 
 func _on_button_toggled(val: bool):