Added footsteps, new tree, various other tweaks

addons/proton_scatter/demos/assets/brick.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=5 format=3 uid="uid://b4ted6l27vuyd"]
+
+[ext_resource type="PackedScene" uid="uid://d1d1fag0m04yc" path="res://addons/proton_scatter/demos/assets/models/brick.glb" id="1_bkmk2"]
+[ext_resource type="Texture2D" uid="uid://dqa2jfs1jy0hq" path="res://addons/proton_scatter/demos/assets/textures/t_rock.jpg" id="2_235bd"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_nwvh2"]
+albedo_color = Color(0.678431, 0.596078, 0.466667, 1)
+albedo_texture = ExtResource("2_235bd")
+uv1_scale = Vector3(0.75, 0.75, 0.75)
+uv1_triplanar = true
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_0rrnn"]
+size = Vector3(0.4, 0.4, 0.4)
+
+[node name="brick" instance=ExtResource("1_bkmk2")]
+
+[node name="Cube" parent="." index="0"]
+material_override = SubResource("StandardMaterial3D_nwvh2")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="." index="1"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D" index="0"]
+shape = SubResource("BoxShape3D_0rrnn")

addons/proton_scatter/demos/assets/bush.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://b8abs8me7ckgo"]
+
+[ext_resource type="PackedScene" uid="uid://dbb4culid55v5" path="res://addons/proton_scatter/demos/assets/models/bush.glb" id="1_kv8tm"]
+[ext_resource type="Material" uid="uid://bn3fr3m3glrnp" path="res://addons/proton_scatter/demos/assets/materials/m_bush.tres" id="2_bkwoq"]
+
+[node name="bush" instance=ExtResource("1_kv8tm")]
+
+[node name="Bush" parent="." index="0"]
+material_override = ExtResource("2_bkwoq")
+instance_shader_parameters/camera_bend_strength = 0.0

addons/proton_scatter/demos/assets/dead_branch.tscn

@@ -0,0 +1,9 @@
+[gd_scene load_steps=3 format=3 uid="uid://ctkii8aivl17n"]
+
+[ext_resource type="PackedScene" uid="uid://cmqlv88xp71tw" path="res://addons/proton_scatter/demos/assets/models/dead_branch.glb" id="1_5foyv"]
+[ext_resource type="Material" uid="uid://d01d0h08lqqn6" path="res://addons/proton_scatter/demos/assets/materials/m_trunk.tres" id="2_tldro"]
+
+[node name="dead_branch" instance=ExtResource("1_5foyv")]
+
+[node name="DeadBranch" parent="." index="0"]
+surface_material_override/0 = ExtResource("2_tldro")

addons/proton_scatter/demos/assets/fence_planks.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=4 format=3 uid="uid://bfcjigq0vdl4d"]
+
+[ext_resource type="PackedScene" uid="uid://6gxiul1pw13t" path="res://addons/proton_scatter/demos/assets/models/fence_planks.glb" id="1"]
+[ext_resource type="Material" path="res://addons/proton_scatter/demos/assets/materials/m_fence.tres" id="2"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_fesk1"]
+size = Vector3(1, 0.5, 0.1)
+
+[node name="fence_planks" instance=ExtResource("1")]
+
+[node name="fence_planks2" parent="." index="0"]
+surface_material_override/0 = ExtResource("2")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="." index="1"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D" index="0"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.197684, 0.0236663)
+shape = SubResource("BoxShape3D_fesk1")

addons/proton_scatter/demos/assets/gobot.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=3 format=3 uid="uid://bmglbfn5jaubp"]
+
+[ext_resource type="PackedScene" uid="uid://d3f4d3m7n8tpr" path="res://addons/proton_scatter/demos/assets/models/gobot.glb" id="1_gfyx7"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_rhuea"]
+albedo_color = Color(0.278431, 0.54902, 0.74902, 1)
+metallic = 0.4
+metallic_specular = 0.2
+roughness = 0.15
+rim_enabled = true
+rim = 0.3
+
+[node name="gobot" instance=ExtResource("1_gfyx7")]
+
+[node name="Sphere001" parent="." index="0"]
+surface_material_override/0 = SubResource("StandardMaterial3D_rhuea")

addons/proton_scatter/demos/assets/grass.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://c3c76je2y6vfj"]
+
+[ext_resource type="PackedScene" uid="uid://018flajgtx7t" path="res://addons/proton_scatter/demos/assets/models/grass.glb" id="1_203fe"]
+[ext_resource type="Material" uid="uid://c4mot1fo3siox" path="res://addons/proton_scatter/demos/assets/materials/m_grass.tres" id="2_sv1ar"]
+
+[node name="grass" instance=ExtResource("1_203fe")]
+
+[node name="Plane011" parent="." index="0"]
+instance_shader_parameters/camera_bend_strength = 0.35
+surface_material_override/0 = ExtResource("2_sv1ar")

addons/proton_scatter/demos/assets/grass_2.tscn

@@ -0,0 +1,9 @@
+[gd_scene load_steps=3 format=3 uid="uid://cia3jakp3wj1d"]
+
+[ext_resource type="PackedScene" uid="uid://dcnm2ijk7hj4j" path="res://addons/proton_scatter/demos/assets/models/grass_2.glb" id="1_xyqky"]
+[ext_resource type="Material" uid="uid://c4mot1fo3siox" path="res://addons/proton_scatter/demos/assets/materials/m_grass.tres" id="2_63qe5"]
+
+[node name="grass_2" instance=ExtResource("1_xyqky")]
+
+[node name="Grass" parent="." index="0"]
+surface_material_override/0 = ExtResource("2_63qe5")

addons/proton_scatter/demos/assets/materials/grass.gdshader

@@ -0,0 +1,62 @@
+shader_type spatial;
+
+render_mode depth_draw_opaque, cull_disabled;
+
+// Texture settings
+uniform sampler2D texture_albedo : hint_default_white, repeat_disable;
+uniform sampler2D texture_gradient : hint_default_white, repeat_disable;
+uniform sampler2D texture_noise : hint_default_white;
+uniform float alpha_scissor_threshold : hint_range(0.0, 1.0);
+uniform vec4 transmission : source_color;
+uniform vec4 secondary_color : source_color;
+uniform float secondary_attenuation = 0.2;
+uniform float grass_height = 1.0;
+
+// Wind settings
+uniform vec2 wind_direction = vec2(1, -0.5);
+uniform float wind_speed = 1.0;
+uniform float wind_strength = 2.0;
+uniform float noise_scale = 20.0;
+
+instance uniform float camera_bend_strength : hint_range(0.0, 3.0) = 0.2;
+
+varying float color;
+varying float height;
+
+void vertex() {
+	height = VERTEX.y;
+	float influence = smoothstep(0, 1, height / 2.0);
+	vec4 world_pos = MODEL_MATRIX * vec4(VERTEX, 1.0);
+	vec2 uv = world_pos.xz / (noise_scale + 1e-2);
+	vec2 panning_uv = uv + fract(TIME * wind_direction * wind_speed);
+	float wind = texture(texture_noise, panning_uv).r * 2.0 - 0.4;
+	color = texture(texture_noise, uv).r;
+	
+	vec2 wind_offset = -wind_direction * wind_strength * influence * wind;
+	world_pos.xz += wind_offset;
+	world_pos.y -= wind * influence * smoothstep(0.0, height, wind_strength);
+	
+	//Push the top vertex away from the camera to bend the grass clump
+	float ndotv = 1.0 - dot(vec3(0.0, 1.0, 0.0), normalize(INV_VIEW_MATRIX[1].xyz));
+	world_pos.xz += INV_VIEW_MATRIX[1].xz * camera_bend_strength * height * ndotv;
+	
+	vec4 local_pos = inverse(MODEL_MATRIX) * world_pos;
+	local_pos.x += wind_strength * influence * cos(TIME * 1.0) / 8.0;
+	local_pos.z += wind_strength * influence * sin(TIME * 1.5) / 8.0;
+	
+	VERTEX = local_pos.xyz;
+	//NORMAL = vec3(0.0, 1.0, 0.0);
+}
+
+void fragment() {
+	vec4 tex = texture(texture_albedo, UV);
+	if (tex.a < alpha_scissor_threshold) {
+		discard;
+	}
+	
+	BACKLIGHT = transmission.rgb;
+	vec4 gradient = texture(texture_gradient, vec2(height / grass_height, 0.0));
+	float secondary_weight = smoothstep(0.0, 1.0, color - secondary_attenuation);
+	ALBEDO = tex.rbg * gradient.rgb;
+	//ALBEDO = mix(ALBEDO, secondary_color.rgb, secondary_weight);
+}

addons/proton_scatter/demos/assets/materials/leaves.gdshader

@@ -0,0 +1,51 @@
+shader_type spatial;
+
+render_mode depth_draw_opaque, cull_disabled;
+
+// Texture settings
+uniform sampler2D texture_albedo : hint_default_white, repeat_disable;
+uniform sampler2D texture_gradient : hint_default_white;
+uniform sampler2D texture_noise : hint_default_white;
+uniform float alpha_scissor_threshold : hint_range(0.0, 1.0);
+uniform vec4 transmission : source_color;
+uniform float total_height = 1.0;
+
+// Wind settings
+uniform vec2 wind_direction = vec2(1, -0.5);
+uniform float wind_speed = 1.0;
+uniform float wind_strength = 2.0;
+uniform float noise_scale = 20.0;
+
+varying float color;
+varying float height;
+
+void vertex() {
+	height = VERTEX.y;
+	
+	vec4 world_pos = MODEL_MATRIX * vec4(VERTEX, 1.0);
+	vec2 uv = (world_pos.xz + VERTEX.yy) / (noise_scale + 1e-2) ;
+	vec2 panning_uv = uv + fract(TIME * wind_direction * wind_speed);
+	float wind = texture(texture_noise, panning_uv).r * 2.0 - 0.4;
+	color = texture(texture_noise, uv).r;
+	
+	float wind_influence = smoothstep(0, 1, 1.0 - UV.y);
+	vec2 wind_offset = -wind_direction * wind_strength * wind_influence * wind;
+	world_pos.xz += wind_offset;
+	world_pos.y -= wind * wind_influence * wind_strength * 0.45;
+	
+	vec4 local_pos = inverse(MODEL_MATRIX) * world_pos;
+	
+	VERTEX = local_pos.xyz;
+	//NORMAL = vec3(0.0, 1.0, 0.0);
+}
+
+void fragment() {
+	vec4 tex = texture(texture_albedo, UV);
+	if (tex.a < alpha_scissor_threshold) {
+		discard;
+	}
+	
+	BACKLIGHT = transmission.rgb;
+	vec4 gradient = texture(texture_gradient, vec2(height / total_height, 0.0));
+	ALBEDO = tex.rbg * gradient.rgb;
+}

addons/proton_scatter/demos/assets/materials/m_bush.tres

@@ -0,0 +1,37 @@
+[gd_resource type="ShaderMaterial" load_steps=7 format=3 uid="uid://bn3fr3m3glrnp"]
+
+[ext_resource type="Shader" path="res://addons/proton_scatter/demos/assets/materials/grass.gdshader" id="1_peshr"]
+[ext_resource type="Texture2D" uid="uid://b2a6ylo2enm4g" path="res://addons/proton_scatter/demos/assets/textures/t_bush.png" id="2_mbhvd"]
+
+[sub_resource type="Gradient" id="Gradient_122hb"]
+offsets = PackedFloat32Array(0, 0.5, 1)
+colors = PackedColorArray(0.179688, 0.0759602, 0.0183228, 1, 0.386532, 0.390625, 0.0230687, 1, 1, 0.693237, 0.0687054, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_i0bw2"]
+gradient = SubResource("Gradient_122hb")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_eeqpx"]
+seed = 1
+frequency = 0.002
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_7l0n1"]
+in_3d_space = true
+seamless = true
+seamless_blend_skirt = 0.65
+noise = SubResource("FastNoiseLite_eeqpx")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_peshr")
+shader_parameter/alpha_scissor_threshold = 0.25
+shader_parameter/transmission = Color(0.619608, 0.541176, 0.101961, 1)
+shader_parameter/secondary_color = Color(0, 0, 0, 1)
+shader_parameter/secondary_attenuation = 0.2
+shader_parameter/grass_height = 0.829
+shader_parameter/wind_direction = Vector2(1, -0.5)
+shader_parameter/wind_speed = 0.5
+shader_parameter/wind_strength = 0.15
+shader_parameter/noise_scale = 6.0
+shader_parameter/texture_albedo = ExtResource("2_mbhvd")
+shader_parameter/texture_gradient = SubResource("GradientTexture1D_i0bw2")
+shader_parameter/texture_noise = SubResource("NoiseTexture2D_7l0n1")

addons/proton_scatter/demos/assets/materials/m_fence.tres

@@ -0,0 +1,6 @@
+[gd_resource type="SpatialMaterial" format=2]
+
+[resource]
+resource_name = "wood"
+vertex_color_use_as_albedo = true
+albedo_color = Color( 0.568627, 0.466667, 0.372549, 1 )

addons/proton_scatter/demos/assets/materials/m_grass.tres

@@ -0,0 +1,37 @@
+[gd_resource type="ShaderMaterial" load_steps=7 format=3 uid="uid://c4mot1fo3siox"]
+
+[ext_resource type="Shader" path="res://addons/proton_scatter/demos/assets/materials/grass.gdshader" id="1_fntgl"]
+[ext_resource type="Texture2D" uid="uid://d23p13yi7asw0" path="res://addons/proton_scatter/demos/assets/textures/t_grass_2.png" id="2_1odx0"]
+
+[sub_resource type="Gradient" id="Gradient_122hb"]
+offsets = PackedFloat32Array(0, 0.473451, 1)
+colors = PackedColorArray(0.179688, 0.0855483, 0.00322032, 1, 0.251693, 0.390625, 0.0117187, 1, 1, 0.964706, 0.129412, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_i0bw2"]
+gradient = SubResource("Gradient_122hb")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_eeqpx"]
+seed = 1
+frequency = 0.002
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_7l0n1"]
+in_3d_space = true
+seamless = true
+seamless_blend_skirt = 0.65
+noise = SubResource("FastNoiseLite_eeqpx")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_fntgl")
+shader_parameter/alpha_scissor_threshold = 0.3
+shader_parameter/transmission = Color(0.737255, 0.72549, 0, 1)
+shader_parameter/secondary_color = Color(0, 0, 0, 1)
+shader_parameter/secondary_attenuation = 0.2
+shader_parameter/grass_height = 0.6
+shader_parameter/wind_direction = Vector2(1, -0.5)
+shader_parameter/wind_speed = 0.5
+shader_parameter/wind_strength = 0.15
+shader_parameter/noise_scale = 6.0
+shader_parameter/texture_albedo = ExtResource("2_1odx0")
+shader_parameter/texture_gradient = SubResource("GradientTexture1D_i0bw2")
+shader_parameter/texture_noise = SubResource("NoiseTexture2D_7l0n1")

addons/proton_scatter/demos/assets/materials/m_leaves.tres

@@ -0,0 +1,38 @@
+[gd_resource type="ShaderMaterial" load_steps=7 format=3 uid="uid://djo80ucamk643"]
+
+[ext_resource type="Shader" path="res://addons/proton_scatter/demos/assets/materials/grass.gdshader" id="1_8py1k"]
+[ext_resource type="Texture2D" uid="uid://cgenco43aneod" path="res://addons/proton_scatter/demos/assets/textures/t_leaves_1.png" id="2_l2uea"]
+
+[sub_resource type="Gradient" id="Gradient_yy7fg"]
+offsets = PackedFloat32Array(0, 0.726872, 0.934272)
+colors = PackedColorArray(0.333333, 0.486275, 0.556863, 1, 0.496467, 0.55, 0.1485, 1, 0.898039, 0.670588, 0.0196078, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_rwvaq"]
+gradient = SubResource("Gradient_yy7fg")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_wpihy"]
+seed = 1
+frequency = 0.002
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture_tgrrr"]
+in_3d_space = true
+seamless = true
+seamless_blend_skirt = 0.65
+noise = SubResource("FastNoiseLite_wpihy")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_8py1k")
+shader_parameter/alpha_scissor_threshold = 0.5
+shader_parameter/camera_bend_strength = 0.0
+shader_parameter/grass_height = 1.0
+shader_parameter/noise_scale = 12.0
+shader_parameter/secondary_attenuation = 0.2
+shader_parameter/secondary_color = Color(0, 0.305882, 0.211765, 1)
+shader_parameter/texture_albedo = ExtResource("2_l2uea")
+shader_parameter/texture_gradient = SubResource("GradientTexture1D_rwvaq")
+shader_parameter/texture_noise = SubResource("NoiseTexture_tgrrr")
+shader_parameter/transmission = Color(1, 0.975296, 0.943663, 1)
+shader_parameter/wind_direction = Vector2(1, -0.5)
+shader_parameter/wind_speed = 0.5
+shader_parameter/wind_strength = 0.05

addons/proton_scatter/demos/assets/materials/m_mushroom.tres

@@ -0,0 +1,6 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://ds2hjlo70hglg"]
+
+[ext_resource type="Texture2D" uid="uid://bjdgw8o5tr1a3" path="res://addons/proton_scatter/demos/assets/textures/mushroom.png" id="1_y0tuv"]
+
+[resource]
+albedo_texture = ExtResource("1_y0tuv")

addons/proton_scatter/demos/assets/materials/m_pine_leaves.tres

@@ -0,0 +1,35 @@
+[gd_resource type="ShaderMaterial" load_steps=7 format=3 uid="uid://d28lq2qtgdyie"]
+
+[ext_resource type="Shader" path="res://addons/proton_scatter/demos/assets/materials/leaves.gdshader" id="1_hlncd"]
+[ext_resource type="Texture2D" uid="uid://ctpb1w0cr8tqc" path="res://addons/proton_scatter/demos/assets/textures/t_pine_branch.png" id="2_yef44"]
+
+[sub_resource type="Gradient" id="Gradient_pookg"]
+offsets = PackedFloat32Array(0.38342, 0.694301, 1)
+colors = PackedColorArray(0.059375, 0.078125, 0.07, 1, 0.628287, 0.73, 0.1752, 1, 0.897921, 1, 0, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_n86jv"]
+gradient = SubResource("Gradient_pookg")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_t7o5y"]
+seed = 1
+frequency = 0.002
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_03p8g"]
+in_3d_space = true
+seamless = true
+seamless_blend_skirt = 0.65
+noise = SubResource("FastNoiseLite_t7o5y")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_hlncd")
+shader_parameter/alpha_scissor_threshold = 0.3
+shader_parameter/transmission = Color(0.745098, 0.741176, 0, 1)
+shader_parameter/total_height = 4.046
+shader_parameter/wind_direction = Vector2(1, -0.5)
+shader_parameter/wind_speed = 0.2
+shader_parameter/wind_strength = 0.05
+shader_parameter/noise_scale = 12.0
+shader_parameter/texture_albedo = ExtResource("2_yef44")
+shader_parameter/texture_gradient = SubResource("GradientTexture1D_n86jv")
+shader_parameter/texture_noise = SubResource("NoiseTexture2D_03p8g")

addons/proton_scatter/demos/assets/materials/m_rock.tres

@@ -0,0 +1,10 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://i0jgjmbbl2m5"]
+
+[ext_resource type="Texture2D" uid="uid://drdh36j6mu3ah" path="res://addons/proton_scatter/demos/assets/textures/t_rock_dirty.png" id="1_hx37f"]
+
+[resource]
+albedo_color = Color(0.439216, 0.407843, 0.388235, 1)
+albedo_texture = ExtResource("1_hx37f")
+metallic_specular = 0.3
+uv1_triplanar = true
+uv1_world_triplanar = true

addons/proton_scatter/demos/assets/materials/m_trunk.tres

@@ -0,0 +1,7 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://d01d0h08lqqn6"]
+
+[ext_resource type="Texture2D" uid="uid://c7pop5xgpxtiv" path="res://addons/proton_scatter/demos/assets/textures/t_tree_bark_rough.png" id="1_g4son"]
+
+[resource]
+albedo_color = Color(0.470588, 0.376471, 0.309804, 1)
+albedo_texture = ExtResource("1_g4son")

addons/proton_scatter/demos/assets/materials/m_water.gdshader

@@ -0,0 +1,90 @@
+// Source: https://godotshaders.com/shader/toon-water-shader/
+
+shader_type spatial;
+
+const float SMOOTHSTEP_AA = 0.01;
+uniform sampler2D surfaceNoise;
+uniform sampler2D distortNoise;
+uniform sampler2D DEPTH_TEXTURE : hint_depth_texture, filter_linear_mipmap;
+
+uniform float beer_factor = 0.8;
+
+uniform float foam_distance = 0.01;
+uniform float foam_max_distance = 0.4;
+uniform float foam_min_distance = 0.04;
+uniform vec4 foam_color: source_color  = vec4(1.0);
+
+uniform vec2 surface_noise_tiling = vec2(1.0, 4.0);
+uniform vec3 surface_noise_scroll = vec3(0.03, 0.03, 0.0);
+uniform float surface_noise_cutoff: hint_range(0, 1) = 0.777;
+uniform float surface_distortion_amount: hint_range(0, 1) = 0.27;
+
+uniform vec4 _DepthGradientShallow: source_color = vec4(0.325, 0.807, 0.971, 0.725);
+uniform vec4 _DepthGradientDeep: source_color = vec4(0.086, 0.407, 1, 0.749);
+uniform float _DepthMaxDistance: hint_range(0, 1) = 1.0;
+uniform float _DepthFactor = 1.0;
+
+uniform float roughness = 0.25;
+uniform float specular = 0.75;
+
+varying vec2 noiseUV;
+varying vec2 distortUV;
+varying vec3 viewNormal;
+
+
+vec4 alphaBlend(vec4 top, vec4 bottom)
+{
+	vec3 color = (top.rgb * top.a) + (bottom.rgb * (1.0 - top.a));
+	float alpha = top.a + bottom.a * (1.0 - top.a);
+	
+	return vec4(color, alpha);
+}
+
+void vertex() {
+	viewNormal = (MODELVIEW_MATRIX * vec4(NORMAL, 0.0)).xyz;
+	noiseUV = UV * surface_noise_tiling;
+	distortUV = UV;
+}
+
+void fragment(){
+	// https://www.youtube.com/watch?v=Jq3he9Lbj7M
+	float depthVal = texture(DEPTH_TEXTURE, SCREEN_UV).r;
+	float depth = PROJECTION_MATRIX[3][2] / (depthVal + PROJECTION_MATRIX[2][2]);
+	depth = depth + VERTEX.z;
+	depth = exp(-depth * beer_factor);
+	depth = 1.0 - depth;
+	
+	// Still unsure how to get properly the NORMAL from the camera
+	// This was generated by ChatGPT xD
+    vec4 view_pos = INV_PROJECTION_MATRIX * vec4(SCREEN_UV * 2.0 - 1.0, depthVal, 1.0);
+    view_pos /= view_pos.w;
+    vec3 existingNormal = normalize(cross( dFdx(view_pos.xyz), dFdy(view_pos.xyz)));
+
+	float normalDot = clamp(dot(existingNormal.xyz, viewNormal), 0.0, 1.0);
+	float foamDistance = mix(foam_max_distance, foam_min_distance, normalDot);
+	
+	float foamDepth = clamp(depth / foamDistance, 0.0, 1.0);
+	float surfaceNoiseCutoff = foamDepth * surface_noise_cutoff;
+	
+	vec4 distortNoiseSample = texture(distortNoise, distortUV);
+	vec2 distortAmount = (distortNoiseSample.xy * 2.0 -1.0) * surface_distortion_amount;
+	
+	vec2 noise_uv = vec2(
+		(noiseUV.x + TIME * surface_noise_scroll.x) + distortAmount.x , 
+		(noiseUV.y + TIME * surface_noise_scroll.y + distortAmount.y)
+	);
+	float surfaceNoiseSample = texture(surfaceNoise, noise_uv).r;
+	float surfaceNoiseAmount = smoothstep(surfaceNoiseCutoff - SMOOTHSTEP_AA, surfaceNoiseCutoff + SMOOTHSTEP_AA, surfaceNoiseSample);
+	
+	float waterDepth = clamp(depth / _DepthMaxDistance, 0.0, 1.0) * _DepthFactor;
+	vec4 waterColor = mix(_DepthGradientShallow, _DepthGradientDeep, waterDepth);
+
+	vec4 surfaceNoiseColor = foam_color;
+    surfaceNoiseColor.a *= surfaceNoiseAmount;
+	vec4 color = alphaBlend(surfaceNoiseColor, waterColor);
+	
+    ALBEDO = color.rgb;
+	ALPHA = color.a;
+	ROUGHNESS = roughness;
+	SPECULAR = specular;
+}

addons/proton_scatter/demos/assets/materials/m_water.tres

@@ -0,0 +1,40 @@
+[gd_resource type="ShaderMaterial" load_steps=6 format=3 uid="uid://c7mw5tryqfggw"]
+
+[ext_resource type="Shader" path="res://addons/proton_scatter/demos/assets/materials/m_water.gdshader" id="1_j8rl3"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_7bjdc"]
+noise_type = 2
+fractal_type = 3
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_wxuht"]
+seamless = true
+noise = SubResource("FastNoiseLite_7bjdc")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_dx86n"]
+noise_type = 2
+domain_warp_enabled = true
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_1j0ob"]
+seamless = true
+noise = SubResource("FastNoiseLite_dx86n")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_j8rl3")
+shader_parameter/beer_factor = 4.0
+shader_parameter/foam_distance = 0.01
+shader_parameter/foam_max_distance = 0.345
+shader_parameter/foam_min_distance = 0.05
+shader_parameter/foam_color = Color(1, 1, 1, 0.784314)
+shader_parameter/surface_noise_tiling = Vector2(1, 4)
+shader_parameter/surface_noise_scroll = Vector3(0.03, 0.03, 0)
+shader_parameter/surface_noise_cutoff = 0.875
+shader_parameter/surface_distortion_amount = 0.65
+shader_parameter/_DepthGradientShallow = Color(0.435294, 0.647059, 0.972549, 0.72549)
+shader_parameter/_DepthGradientDeep = Color(0.0823529, 0.392157, 0.701961, 0.862745)
+shader_parameter/_DepthMaxDistance = 1.0
+shader_parameter/_DepthFactor = 1.0
+shader_parameter/roughness = 0.001
+shader_parameter/specular = 0.5
+shader_parameter/surfaceNoise = SubResource("NoiseTexture2D_1j0ob")
+shader_parameter/distortNoise = SubResource("NoiseTexture2D_wxuht")

addons/proton_scatter/demos/assets/models/brick.glb.import

@@ -0,0 +1,36 @@
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+gltf/naming_version=0
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addons/proton_scatter/demos/assets/models/bush.glb.import

@@ -0,0 +1,36 @@
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+path="res://.godot/imported/bush.glb-28e0128066fe8d913839a6b96204b1c6.scn"
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addons/proton_scatter/demos/assets/models/dead_branch.glb.import

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addons/proton_scatter/demos/assets/models/fence_planks.glb.import

@@ -0,0 +1,36 @@
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addons/proton_scatter/demos/assets/models/gobot.glb.import

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addons/proton_scatter/demos/assets/models/grass.glb.import

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+
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+gltf/naming_version=0
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addons/proton_scatter/demos/assets/models/grass_2.glb.import

@@ -0,0 +1,36 @@
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addons/proton_scatter/demos/assets/models/large_rock.glb.import

@@ -0,0 +1,36 @@
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addons/proton_scatter/demos/assets/models/mushrooms.glb.import

@@ -0,0 +1,36 @@
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+path="res://.godot/imported/mushrooms.glb-64c83b02a53711f9983c978d53ab0f12.scn"
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addons/proton_scatter/demos/assets/models/pine_tree.glb.import

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addons/proton_scatter/demos/assets/models/small_rock.glb.import

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addons/proton_scatter/demos/assets/models/tree.glb.import

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addons/proton_scatter/demos/assets/mushroom.tscn

@@ -0,0 +1,9 @@
+[gd_scene load_steps=3 format=3 uid="uid://bodkixm8bubes"]
+
+[ext_resource type="PackedScene" uid="uid://c38uugpgw7hjm" path="res://addons/proton_scatter/demos/assets/models/mushrooms.glb" id="1_spmys"]
+[ext_resource type="Material" uid="uid://ds2hjlo70hglg" path="res://addons/proton_scatter/demos/assets/materials/m_mushroom.tres" id="2_y6jw1"]
+
+[node name="mushrooms" instance=ExtResource("1_spmys")]
+
+[node name="Sphere001" parent="." index="0"]
+surface_material_override/0 = ExtResource("2_y6jw1")

addons/proton_scatter/demos/assets/pine_tree.tscn

@@ -0,0 +1,31 @@
+[gd_scene load_steps=6 format=3 uid="uid://caqxfqurbp3ku"]
+
+[ext_resource type="PackedScene" uid="uid://bhums0j31gm5n" path="res://addons/proton_scatter/demos/assets/models/pine_tree.glb" id="1_hw1e5"]
+[ext_resource type="Material" uid="uid://d01d0h08lqqn6" path="res://addons/proton_scatter/demos/assets/materials/m_trunk.tres" id="2_cgtpc"]
+[ext_resource type="Material" uid="uid://d28lq2qtgdyie" path="res://addons/proton_scatter/demos/assets/materials/m_pine_leaves.tres" id="2_xnytt"]
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_2xqpo"]
+radius = 0.0750397
+height = 1.3553
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_uhp33"]
+radius = 0.101768
+height = 0.489166
+
+[node name="pine_tree" instance=ExtResource("1_hw1e5")]
+
+[node name="Trunk" parent="." index="0"]
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