My first 3D game with Godot 4.4

mob/smoke_puff/material/inner_smoke.gdshader

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+shader_type spatial;
+render_mode shadows_disabled, cull_back;
+
+uniform vec3 albedo : source_color;
+
+varying float voronoi_value;
+
+uniform float progress = 0.0;
+uniform float smoothness = 0.01;
+
+uniform float ease = 2.0;
+uniform float base_scale = 1.0;
+uniform float deformation_scale = 1.0;
+
+uniform float texture_offset = 0.0;
+
+uniform float fresnel_offset = 1.0;
+uniform float global_alpha = 1.0;
+
+// Voronoi method credit:
+// The MIT License
+// Copyright © 2013 Inigo Quilez
+// https://www.shadertoy.com/view/ldl3Dl
+
+vec3 hash( vec3 x ){
+	x = vec3( dot(x,vec3(127.1,311.7, 74.7)),
+			  dot(x,vec3(269.5,183.3,246.1)),
+			  dot(x,vec3(113.5,271.9,124.6)));
+	return fract(sin(x)*43758.5453123);
+}
+
+vec3 voronoi( in vec3 x ){
+	vec3 p = floor( x );
+	vec3 f = fract( x );
+	
+	float id = 0.0;
+	vec2 res = vec2( 100.0 );
+	for( int k=-1; k<=1; k++ )
+	for( int j=-1; j<=1; j++ )
+	for( int i=-1; i<=1; i++ ) {
+		vec3 b = vec3( float(i), float(j), float(k) );
+		vec3 r = vec3( b ) - f + hash( p + b );
+		float d = dot( r, r );
+		if( d < res.x ) {
+			id = dot( p+b, vec3(1.0,57.0,113.0 ) );
+			res = vec2( d, res.x );
+		} else if( d < res.y ) {
+			res.y = d;
+		}
+    }
+    return vec3( sqrt( res ), abs(id) );
+}
+
+float fresnel(vec3 normal, vec3 view, float amount){
+	return pow(1.0 - clamp(dot(normal, view), 0.0, 1.0), amount);
+}
+
+void vertex() {
+	float smooth_df = deformation_scale;
+	voronoi_value = voronoi(VERTEX + texture_offset).x;
+	VERTEX += NORMAL * (1.0 - pow(voronoi_value, ease)) * smooth_df;
+	VERTEX *= base_scale;
+}
+
+void fragment(){
+	ALBEDO = albedo;
+	EMISSION = albedo * 0.5;
+	ALPHA = 1.0 - fresnel(NORMAL, VIEW, 2.0 * fresnel_offset);
+	ALPHA *= global_alpha;
+}

mob/smoke_puff/material/inner_smoke.gdshader.uid

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+uid://0h8qjtcpk0mk

mob/smoke_puff/material/inner_smoke.tres

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+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://dr7gyunhpjiwf"]
+
+[ext_resource type="Shader" path="res://mob/smoke_puff/material/inner_smoke.gdshader" id="1_6ucfb"]
+
+[resource]
+resource_local_to_scene = true
+render_priority = 0
+shader = ExtResource("1_6ucfb")
+shader_parameter/albedo = Color(1, 0.537255, 0.792157, 1)
+shader_parameter/progress = 0.0
+shader_parameter/smoothness = 0.01
+shader_parameter/ease = 2.0
+shader_parameter/base_scale = 1.1
+shader_parameter/deformation_scale = 1.0
+shader_parameter/texture_offset = 0.1
+shader_parameter/fresnel_offset = 0.5
+shader_parameter/global_alpha = 0.0

mob/smoke_puff/material/outer_smoke.gdshader

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+shader_type spatial;
+render_mode shadows_disabled, cull_disabled;
+
+uniform vec3 albedo : source_color;
+
+varying float voronoi_value;
+
+uniform float progress = 0.0;
+uniform float smoothness = 0.01;
+
+uniform float ease = 2.0;
+uniform float base_scale = 1.0;
+uniform float deformation_scale = 1.0;
+
+uniform float texture_offset = 0.0;
+
+// Voronoi method credit:
+// The MIT License
+// Copyright © 2013 Inigo Quilez
+// https://www.shadertoy.com/view/ldl3Dl
+
+vec3 hash( vec3 x ){
+	x = vec3( dot(x,vec3(127.1,311.7, 74.7)),
+			  dot(x,vec3(269.5,183.3,246.1)),
+			  dot(x,vec3(113.5,271.9,124.6)));
+	return fract(sin(x)*43758.5453123);
+}
+
+vec3 voronoi( in vec3 x ){
+	vec3 p = floor( x );
+	vec3 f = fract( x );
+	
+	float id = 0.0;
+	vec2 res = vec2( 100.0 );
+	for( int k=-1; k<=1; k++ )
+	for( int j=-1; j<=1; j++ )
+	for( int i=-1; i<=1; i++ ) {
+		vec3 b = vec3( float(i), float(j), float(k) );
+		vec3 r = vec3( b ) - f + hash( p + b );
+		float d = dot( r, r );
+		if( d < res.x ) {
+			id = dot( p+b, vec3(1.0,57.0,113.0 ) );
+			res = vec2( d, res.x );
+		} else if( d < res.y ) {
+			res.y = d;
+		}
+    }
+    return vec3( sqrt( res ), abs(id) );
+}
+
+
+void vertex() {
+	float smooth_df = deformation_scale;
+	voronoi_value = voronoi(VERTEX + texture_offset).x;
+	VERTEX += NORMAL * (1.0 - pow(voronoi_value, ease)) * smooth_df;
+	VERTEX *= base_scale;
+}
+
+void fragment(){
+	ALBEDO = albedo;
+	EMISSION = albedo * 0.5;
+	ALPHA = smoothstep(progress - smoothness, progress + smoothness, voronoi_value);
+	ALPHA_SCISSOR_THRESHOLD = 0.5;
+}

mob/smoke_puff/material/outer_smoke.gdshader.uid

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+uid://spi71y1qu06o

mob/smoke_puff/material/outer_smoke.tres

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+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://ctnipgxo3l72h"]
+
+[ext_resource type="Shader" path="res://mob/smoke_puff/material/outer_smoke.gdshader" id="1_0emiy"]
+
+[resource]
+resource_local_to_scene = true
+render_priority = 0
+shader = ExtResource("1_0emiy")
+shader_parameter/albedo = Color(0.937255, 0.698039, 1, 1)
+shader_parameter/progress = 1.8
+shader_parameter/smoothness = 0.1
+shader_parameter/ease = 3.0
+shader_parameter/base_scale = 1.2
+shader_parameter/deformation_scale = 1.5
+shader_parameter/texture_offset = -0.5

mob/smoke_puff/poof_sound.wav.import

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+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://ki0nh5lgryca"
+path="res://.godot/imported/poof_sound.wav-36d715cee95c69d05b3317b1fcb4cc24.sample"
+
+[deps]
+
+source_file="res://mob/smoke_puff/poof_sound.wav"
+dest_files=["res://.godot/imported/poof_sound.wav-36d715cee95c69d05b3317b1fcb4cc24.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=2

mob/smoke_puff/smoke_puff.tscn

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+[gd_scene load_steps=7 format=3 uid="uid://cjk3frr43yesb"]
+
+[ext_resource type="Material" uid="uid://ctnipgxo3l72h" path="res://mob/smoke_puff/material/outer_smoke.tres" id="2_1f3c4"]
+[ext_resource type="ArrayMesh" uid="uid://cxh3afoly2pv6" path="res://mob/smoke_puff/smoke_sphere.obj" id="3_2ucfv"]
+[ext_resource type="Material" uid="uid://dr7gyunhpjiwf" path="res://mob/smoke_puff/material/inner_smoke.tres" id="4_8vcwr"]
+[ext_resource type="Animation" uid="uid://drrd257af7jpy" path="res://mob/smoke_puff/poof.res" id="5_yvyul"]
+[ext_resource type="AudioStream" uid="uid://dyj752n6nuwa6" path="res://mob/smoke_puff/poof_sound.wav" id="6_8rosm"]
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_a08pi"]
+_data = {
+"poof": ExtResource("5_yvyul")
+}
+
+[node name="smoke_puff" type="Node3D"]
+transform = Transform3D(0.5, 0, 0, 0, 0.5, 0, 0, 0, 0.5, 0, 0, 0)
+
+[node name="OuterSmoke" type="MeshInstance3D" parent="."]
+material_override = ExtResource("2_1f3c4")
+mesh = ExtResource("3_2ucfv")
+
+[node name="InnerSmoke" type="MeshInstance3D" parent="."]
+material_override = ExtResource("4_8vcwr")
+mesh = ExtResource("3_2ucfv")
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+unique_name_in_owner = true
+libraries = {
+"": SubResource("AnimationLibrary_a08pi")
+}
+autoplay = "poof"
+
+[node name="Sound" type="AudioStreamPlayer3D" parent="."]
+unique_name_in_owner = true
+stream = ExtResource("6_8rosm")

mob/smoke_puff/smoke_sphere.obj.import

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+[remap]
+
+importer="wavefront_obj"
+importer_version=1
+type="Mesh"
+uid="uid://vsovom3bufqe"
+path="res://.godot/imported/smoke_sphere.obj-7dec537f94ed12354ea65934deb2dc4e.mesh"
+
+[deps]
+
+files=["res://.godot/imported/smoke_sphere.obj-7dec537f94ed12354ea65934deb2dc4e.mesh"]
+
+source_file="res://mob/smoke_puff/smoke_sphere.obj"
+dest_files=["res://.godot/imported/smoke_sphere.obj-7dec537f94ed12354ea65934deb2dc4e.mesh", "res://.godot/imported/smoke_sphere.obj-7dec537f94ed12354ea65934deb2dc4e.mesh"]
+
+[params]
+
+generate_tangents=true
+generate_lods=true
+generate_shadow_mesh=true
+generate_lightmap_uv2=false
+generate_lightmap_uv2_texel_size=0.2
+scale_mesh=Vector3(1, 1, 1)
+offset_mesh=Vector3(0, 0, 0)
+force_disable_mesh_compression=false