Доработка. Кнопка с зачёркиванием

scenes/button-flat/button-flat.tscn

@@ -5,42 +5,64 @@
 
 [sub_resource type="StyleBoxEmpty" id="1"]
 
+[sub_resource type="StyleBoxEmpty" id="6"]
+
+[sub_resource type="StyleBoxEmpty" id="2"]
+
+[sub_resource type="StyleBoxEmpty" id="3"]
+
+[sub_resource type="StyleBoxEmpty" id="5"]
+
+[sub_resource type="StyleBoxEmpty" id="4"]
+
 [sub_resource type="Shader" id="Shader_2bftm"]
 code = "shader_type canvas_item;
 
-uniform vec4 color_gap = vec4(0.0, 0.0, 0.0, 0.0);
-uniform vec4 color_stripe = vec4(0.3, 0.3, 0.3, 0.7);
-uniform float divisions = 50.0;   // increase for more stripe density
-uniform float stripe_bias = 2.0;  // 1.0 means no stripes; 2.0 means stripes and gaps are equal size
-uniform float speed = 0.01;
-uniform float angle = 0.7854;     // in radians
+#include \"res://shaders/tools.gdshaderinc\"
+
+const vec2 center = vec2(0.125, 0.125);
+const float sharpness = 300.0;
+
+uniform float rotation = 0.0;
+uniform vec4 color = vec4(1.0, 1.0, 1.0, 1.0);
+uniform float width = 1.0;
+uniform float speed = 1.0;
 uniform bool disabled = false;
 
-void fragment()
+
+void vertex()
 {
-	float w = cos(angle) * UV.x + sin(angle) * UV.y - speed * TIME;
-	if ((floor(mod(w * divisions, stripe_bias)) < 0.0001) && disabled)
-    {
-		COLOR = color_gap;
-	}
-    else
-    {
-		COLOR = color_stripe;
-	}
+    rotate_vec2(UV, rotation, center);
 }
 
 
+void fragment()
+{
+   	COLOR = color;
+    if (disabled)
+    {
+        float ds = 1.0 / sharpness;
+        float tx = float(int(TIME * 1000.0 * speed) % 10000) / 1000.0 * center.x + center.x;
+        COLOR.a = 0.0;
+        for (float x = -2.0; x < 2.0; x += 0.03)
+        {
+            float v0 = smoothstep(-1.0, 1.0, (tx - UV.x + x) * sharpness + width);
+            float v1 = smoothstep(-1.0, 1.0, (UV.x - tx - x) * sharpness + width);
+            float v2 = smooth_px(length(UV.x - center.x), center.x * 2.0 - ds, ds);
+            COLOR.a += v0 * v1 * v2;
+        }
+        COLOR.a *= color.a;
+    }
+}
 "
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_hhdyc"]
 resource_local_to_scene = true
 shader = SubResource("Shader_2bftm")
-shader_parameter/color_gap = Vector4(1, 1, 1, 0.3)
-shader_parameter/color_stripe = Vector4(0, 0, 1, 0)
-shader_parameter/divisions = 50.0
-shader_parameter/stripe_bias = 2.0
-shader_parameter/speed = 0.0
-shader_parameter/angle = 0.7854
+shader_parameter/rotation = 45.0
+shader_parameter/color = Vector4(1, 1, 1, 0.2)
+shader_parameter/width = 2.0
+shader_parameter/speed = 1.0
 shader_parameter/disabled = false
 
 [sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_6nup5"]
@@ -61,16 +83,6 @@ extends Sprite2D
     get: return material.get('shader_parameter/disabled')
 "
 
-[sub_resource type="StyleBoxEmpty" id="6"]
-
-[sub_resource type="StyleBoxEmpty" id="2"]
-
-[sub_resource type="StyleBoxEmpty" id="3"]
-
-[sub_resource type="StyleBoxEmpty" id="5"]
-
-[sub_resource type="StyleBoxEmpty" id="4"]
-
 [node name="container" type="PanelContainer"]
 offset_right = 30.0
 offset_bottom = 30.0
@@ -88,14 +100,6 @@ patch_margin_bottom = 10
 axis_stretch_horizontal = 2
 axis_stretch_vertical = 2
 
-[node name="back" type="Sprite2D" parent="."]
-material = SubResource("ShaderMaterial_hhdyc")
-scale = Vector2(30, 30)
-texture = SubResource("PlaceholderTexture2D_6nup5")
-centered = false
-script = SubResource("GDScript_uyl5d")
-speed = 0.0
-
 [node name="button" type="Button" parent="."]
 layout_mode = 2
 theme_override_colors/font_outline_color = Color(0, 0, 0, 1)
@@ -108,6 +112,14 @@ theme_override_styles/focus = SubResource("4")
 toggle_mode = true
 clip_text = true
 
+[node name="back" type="Sprite2D" parent="."]
+material = SubResource("ShaderMaterial_hhdyc")
+scale = Vector2(30, 30)
+texture = SubResource("PlaceholderTexture2D_6nup5")
+centered = false
+script = SubResource("GDScript_uyl5d")
+speed = 1.0
+
 [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"]
+[connection signal="visibility_changed" from="back" to="back" method="_on_visibility_changed"]