reversed tubes on the hub, other hub world tweaks

assets/materials/FrostedGlass.tres

@@ -0,0 +1,18 @@
+[gd_resource type="ShaderMaterial" load_steps=5 format=3 uid="uid://bb0beroi2p3gd"]
+
+[ext_resource type="Shader" uid="uid://igy6srcqsvi8" path="res://assets/materials/frostedGlass.gdshader" id="1_thve0"]
+
+[sub_resource type="Gradient" id="Gradient_thve0"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_748hl"]
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_0bs8y"]
+color_ramp = SubResource("Gradient_thve0")
+noise = SubResource("FastNoiseLite_748hl")
+
+[resource]
+shader = ExtResource("1_thve0")
+shader_parameter/warp_texture = SubResource("NoiseTexture2D_0bs8y")
+shader_parameter/intensity = 0.01
+shader_parameter/tint_color = Color(0, 0, 0, 0)
+shader_parameter/tint_amount = 0.4

assets/materials/frostedGlass.gdshader

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+shader_type canvas_item;
+
+// mipmap is neaded for textureLod
+uniform sampler2D screen_texture: hint_screen_texture, repeat_disable, filter_nearest_mipmap;
+// works better as a normal with warping
+uniform sampler2D warp_texture: repeat_enable;
+
+uniform float intensity: hint_range(0.0, 0.3) = 0.01;
+uniform vec4 tint_color: source_color = vec4(0.0, 0.0, 0.0, 1.0);
+uniform float tint_amount: hint_range(0.0, 1.0) = 0.4;
+
+void fragment() {
+    // get our normal warp
+    vec2 warp = texture(warp_texture, UV).xy - 0.5;
+    // sample based on warp and intensity and blur based on intensity
+    vec4 screen = textureLod(screen_texture, UV + warp * intensity, intensity * 4.0);
+    // tint our image
+    screen = mix(screen, tint_color, tint_amount);
+    // get a random-ish value for some speckle noise
+    float noise = fract(sin(dot(UV, vec2(12.9898, 78.233))) * 43758.5453);
+    // light diffusion for glass shape highlights
+    float diff = max(dot(warp, normalize(vec2(1.0, 1.0))), 0.0);
+    // apply diffusion based on intensity
+    screen += diff * intensity;
+    // apply speckle noise based on intensity
+    screen += noise * intensity;
+    // yarp
+    COLOR = screen;
+}

assets/materials/frostedGlass.gdshader.uid

@@ -0,0 +1 @@
+uid://igy6srcqsvi8

assets/materials/glass.tres

@@ -1,11 +1,39 @@
-[gd_resource type="StandardMaterial3D" format=3 uid="uid://hg5phpsguoh5"]
+[gd_resource type="StandardMaterial3D" load_steps=7 format=3 uid="uid://hg5phpsguoh5"]
+
+[sub_resource type="Gradient" id="Gradient_wmskm"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_cprqi"]
+noise_type = 2
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_twkyn"]
+width = 1024
+height = 1024
+as_normal_map = true
+color_ramp = SubResource("Gradient_wmskm")
+noise = SubResource("FastNoiseLite_cprqi")
+
+[sub_resource type="Gradient" id="Gradient_vbylo"]
+offsets = PackedFloat32Array(0.42069, 0.993103, 1)
+colors = PackedColorArray(0, 0, 0, 1, 0.926175, 0.926175, 0.926175, 1, 1, 1, 1, 1)
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_wmskm"]
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_cprqi"]
+width = 1024
+height = 1024
+seamless = true
+color_ramp = SubResource("Gradient_vbylo")
+noise = SubResource("FastNoiseLite_wmskm")
 
 [resource]
-transparency = 1
-cull_mode = 2
-albedo_color = Color(0.6364, 0.763107, 0.86, 0.352941)
+albedo_color = Color(0.1782, 0.55728, 0.81, 0.568627)
 metallic = 1.0
-roughness = 0.0
-backlight_enabled = true
+metallic_specular = 1.0
+roughness_texture = SubResource("NoiseTexture2D_cprqi")
+normal_enabled = true
+normal_scale = 0.1
+normal_texture = SubResource("NoiseTexture2D_twkyn")
 backlight = Color(1, 1, 1, 1)
 refraction_enabled = true
+uv1_scale = Vector3(0.08, 0.08, 0.08)
+uv1_triplanar = true