update shader and test tscn

app/content/ui/glass.gdshader

@@ -1,12 +1,18 @@
 shader_type spatial;
 
+render_mode unshaded, cull_disabled;
+
 uniform vec4 color : source_color = vec4(1.0, 1.0, 1.0, 1.0);
+uniform vec4 border_color : source_color = vec4(1.0, 1.0, 1.0, 1.0);
 uniform vec2 size = vec2(1.0, 1.0);
-uniform float border_size = 0.1;
+uniform float border_size: hint_range(0.0, 0.5) = 0.1;
 uniform float border_fade_in: hint_range(0.0, 10.0) = 0.0;
 uniform float border_fade_out: hint_range(0.0, 10.0) = 0.0;
 uniform float corner_radius = 0.0;
 
+uniform float grain_amount : hint_range(0.0, 1.0) = 0.05;
+
+
 float rectangle(vec2 position) {
 	vec2 component_wise_edge_distance = abs(position) - (vec2(0.5, 0.5) * size + corner_radius * (size - 1.0));
 	float outsideDistance = length(max(component_wise_edge_distance, 0));
@@ -15,19 +21,31 @@ float rectangle(vec2 position) {
 }
 
 void fragment() {
-	ALBEDO = color.xyz;
+	ALBEDO = border_color.xyz;
+	ALPHA = 0.0;
 	float border_scale = 1.0 + 2.0 * corner_radius;
 	float d = rectangle((UV - 0.5) * size * border_scale);
 	float border_width = (border_size + border_fade_in + border_fade_out) * border_scale;
 	
 	if (d >= corner_radius - border_width && d <= corner_radius) {
-		// Inside
 		float rel_d = (d - corner_radius + border_width) / border_width;
-		ALPHA = min((rel_d / (border_fade_in * border_scale / border_width)), (1.0 - (rel_d)) / (border_fade_out * border_scale / border_width));
+		float alpha = min((rel_d / (border_fade_in * border_scale / border_width)), (1.0 - (rel_d)) / (border_fade_out * border_scale / border_width));
+		if (d < corner_radius - (border_size + border_fade_out) * border_scale) {
+			ALBEDO = mix(color, border_color, alpha).xyz;
+			ALPHA = mix(color.w, border_color.w, alpha);
 		} else {
-		// Outside
+			ALBEDO = border_color.xyz;
-		ALPHA = 0.0;
+			ALPHA = mix(0.0, border_color.w, alpha);
 		}
+	} else if (d < corner_radius - border_width ) {
+		ALBEDO = color.xyz;
+		ALPHA = color.w;
+	}
+	
+	float noise = (fract(sin(dot(UV, vec2(12.9898, 78.233))) * 43758.5453) - 0.5) * 2.0;
+
+    // Add noise to the original color
+    ALBEDO += noise * grain_amount;
 	
 	
 }

app/content/ui/test.material

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ca6bc1d679f5e116431fb17104d1bcb1083ca0b5e834c20bd5008dbaa7c3b79a
+size 413

app/content/ui/test.tscn

@@ -1,25 +1,15 @@
-[gd_scene load_steps=8 format=3 uid="uid://dclceqjqfxekx"]
+[gd_scene load_steps=7 format=3 uid="uid://dclceqjqfxekx"]
 
 [ext_resource type="Script" path="res://content/ui/test.gd" id="1_jevji"]
-[ext_resource type="Shader" path="res://content/ui/glass.gdshader" id="1_p0dkh"]
+[ext_resource type="Material" uid="uid://dy5bbwaceset8" path="res://content/ui/test.material" id="2_fswvt"]
 [ext_resource type="PackedScene" uid="uid://pk5k1q8bx0rj" path="res://content/ui/components/slider/slider.tscn" id="3_f40pk"]
 [ext_resource type="Script" path="res://content/functions/movable.gd" id="4_qjv7o"]
 
 [sub_resource type="BoxShape3D" id="BoxShape3D_ptbst"]
 size = Vector3(2, 1, 0.1)
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_xoqnh"]
-render_priority = 0
-shader = ExtResource("1_p0dkh")
-shader_parameter/color = Color(1, 1, 1, 1)
-shader_parameter/size = Vector2(2, 1)
-shader_parameter/border_size = 0.04
-shader_parameter/border_fade_in = 0.07
-shader_parameter/border_fade_out = 0.0
-shader_parameter/corner_radius = 3.435
-
 [sub_resource type="QuadMesh" id="QuadMesh_4253w"]
-size = Vector2(2, 1)
+size = Vector2(0.8, 0.5)
 
 [node name="Test" type="Node3D"]
 script = ExtResource("1_jevji")
@@ -28,10 +18,11 @@ script = ExtResource("1_jevji")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.07)
+visible = false
 shape = SubResource("BoxShape3D_ptbst")
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="StaticBody3D"]
-material_override = SubResource("ShaderMaterial_xoqnh")
+material_override = ExtResource("2_fswvt")
 mesh = SubResource("QuadMesh_4253w")
 skeleton = NodePath("../..")
 
@@ -53,20 +44,23 @@ label_unit = "h"
 
 [node name="Slider3" parent="StaticBody3D" instance=ExtResource("3_f40pk")]
 transform = Transform3D(-4.37114e-08, 4.37114e-08, 1, 1, 1.91069e-15, 4.37114e-08, 0, 1, -4.37114e-08, 0.179572, 0, 0)
+max = 0.5
 show_label = true
 label_unit = "s"
 
 [node name="Slider4" parent="StaticBody3D" instance=ExtResource("3_f40pk")]
 transform = Transform3D(-4.37114e-08, 4.37114e-08, 1, 1, 1.91069e-15, 4.37114e-08, 0, 1, -4.37114e-08, 0.277398, 0, 0)
-max = 10.0
 show_label = true
 label_unit = "c"
 
 [node name="Slider5" parent="StaticBody3D" instance=ExtResource("3_f40pk")]
 transform = Transform3D(-4.37114e-08, 4.37114e-08, 1, 1, 1.91069e-15, 4.37114e-08, 0, 1, -4.37114e-08, 0.368523, 0, 0)
+max = 0.5
 
 [node name="Slider6" parent="StaticBody3D" instance=ExtResource("3_f40pk")]
 transform = Transform3D(-4.37114e-08, 4.37114e-08, 1, 1, 1.91069e-15, 4.37114e-08, 0, 1, -4.37114e-08, 0.458309, 0, 0)
+max = 0.5
+value = 0.0
 
 [node name="Movable" type="Node" parent="StaticBody3D"]
 script = ExtResource("4_qjv7o")