My first 3D game with Godot 4.4

mob/spawner/mob_spawner_3d.gd

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+extends Node3D
+
+@export var mob_to_spawn: PackedScene = null
+
+signal mob_spawned(mob: Node)
+
+@onready var marker_3d: Marker3D = %Marker3D
+@onready var timer: Timer = %Timer
+
+
+func _on_timer_timeout() -> void:
+	var new_mob := mob_to_spawn.instantiate()
+	add_child(new_mob)
+	new_mob.global_transform = marker_3d.global_transform
+	
+	mob_spawned.emit(new_mob)

mob/spawner/mob_spawner_3d.gd.uid

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+uid://cu4e7af7nx5al

mob/spawner/mob_spawner_3d.tscn

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+[gd_scene load_steps=3 format=3 uid="uid://c0ky5ie5cfgh2"]
+
+[ext_resource type="Script" uid="uid://cu4e7af7nx5al" path="res://mob/spawner/mob_spawner_3d.gd" id="1_ewxdg"]
+[ext_resource type="PackedScene" uid="uid://dtf66or38qi43" path="res://mob/spawner/spawner_model.tscn" id="2_ewxdg"]
+
+[node name="MobSpawner3D" type="Node3D"]
+script = ExtResource("1_ewxdg")
+
+[node name="spawner_model" parent="." instance=ExtResource("2_ewxdg")]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, 0, 2.5, 0)
+
+[node name="Marker3D" type="Marker3D" parent="spawner_model"]
+unique_name_in_owner = true
+transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, -1.4, 0)
+
+[node name="Timer" type="Timer" parent="."]
+unique_name_in_owner = true
+wait_time = 5.0
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]

mob/spawner/spawner_halo.gdshader

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+shader_type spatial;
+uniform vec3 color : source_color;
+
+float fresnel(float amount, vec3 normal, vec3 view)
+{
+	return pow((1.0 - clamp(dot(normalize(normal), normalize(view)), 0.0, 1.0 )), amount);
+}
+
+
+void fragment() {
+	float f = fresnel(0.8, NORMAL, VIEW);
+	float wave = abs((sin((UV.y - TIME * 0.1) * 10.0 * PI) + 1.0) / 2.0);
+	ALBEDO = color;
+	EMISSION = color * 2.0;
+	ALPHA = step(UV.y, wave) * (1.0 - UV.y) * (1.0 - f);
+	
+}

mob/spawner/spawner_halo.gdshader.uid

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+uid://cfnwyva3u4qeb

mob/spawner/spawner_model.glb.import

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+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://diiskgqfi7kay"
+path="res://.godot/imported/spawner_model.glb-2fcf57184c75ae05a59f6df1a9d9c89b.scn"
+
+[deps]
+
+source_file="res://mob/spawner/spawner_model.glb"
+dest_files=["res://.godot/imported/spawner_model.glb-2fcf57184c75ae05a59f6df1a9d9c89b.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

mob/spawner/spawner_model.tscn

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+[gd_scene load_steps=10 format=3 uid="uid://dtf66or38qi43"]
+
+[ext_resource type="PackedScene" uid="uid://diiskgqfi7kay" path="res://mob/spawner/spawner_model.glb" id="1_bk78j"]
+[ext_resource type="Shader" uid="uid://cfnwyva3u4qeb" path="res://mob/spawner/spawner_halo.gdshader" id="2_lvlhh"]
+[ext_resource type="Material" uid="uid://jvnbftghahty" path="res://mob/spawner/spawner_screen_material.tres" id="3_p6j4b"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_rug3p"]
+render_priority = 0
+shader = ExtResource("2_lvlhh")
+shader_parameter/color = Color(0.13153, 0.557624, 0.421582, 1)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_2xi82"]
+albedo_color = Color(0.879323, 0.706001, 0.185322, 1)
+metallic = 0.45
+metallic_specular = 0.75
+roughness = 0.25
+rim_enabled = true
+rim = 0.1
+rim_tint = 0.4
+clearcoat_enabled = true
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_bk78j"]
+albedo_color = Color(0.646029, 0.646029, 0.646029, 1)
+metallic = 0.5
+roughness = 0.1
+rim_enabled = true
+rim = 0.1
+clearcoat_enabled = true
+
+[sub_resource type="Animation" id="Animation_lvlhh"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Top:rotation")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector3(0, -2.0944, 0)]
+}
+
+[sub_resource type="Animation" id="Animation_bk78j"]
+resource_name = "idle"
+length = 0.5
+loop_mode = 1
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Top:rotation")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.5),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [Vector3(0, 0, 0), Vector3(0, 6.28319, 0)]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_p6j4b"]
+_data = {
+&"RESET": SubResource("Animation_lvlhh"),
+&"idle": SubResource("Animation_bk78j")
+}
+
+[node name="spawner_model" instance=ExtResource("1_bk78j")]
+
+[node name="halo" parent="." index="0"]
+material_override = SubResource("ShaderMaterial_rug3p")
+
+[node name="Body" parent="." index="1"]
+surface_material_override/0 = SubResource("StandardMaterial3D_2xi82")
+surface_material_override/1 = ExtResource("3_p6j4b")
+
+[node name="Top" parent="." index="2"]
+transform = Transform3D(-0.500004, 0, -0.866023, 0, 1, 0, 0.866023, 0, -0.500004, 0, 0.783957, 0)
+material_override = SubResource("StandardMaterial3D_bk78j")
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="." index="3"]
+libraries = {
+&"": SubResource("AnimationLibrary_p6j4b")
+}
+autoplay = "idle"

mob/spawner/spawner_screen.gdshader

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+shader_type spatial;
+
+uniform vec4 screen_color : source_color;
+uniform sampler2D text_sampler : filter_nearest, repeat_enable;
+
+uniform float ratio = 1.0;
+
+uniform float pixel_size = 20.0;
+
+uniform float intensity = 1.5;
+
+void fragment() {
+	vec2 scaled_uv = round(UV * pixel_size) / pixel_size;
+
+	vec2 grid_2d = sin(fract(UV * pixel_size + 0.5) * 3.14);
+	float grid = grid_2d.x * grid_2d.y;
+	grid = grid * 0.6 + 0.4;
+
+	float text = 1.0 - texture(text_sampler, scaled_uv * vec2(ratio, 1.0) + vec2(mod(TIME * 0.1, 1.0), 0.0)).x;
+
+	
+	ALBEDO = vec3(0.0);
+	SPECULAR = 0.25;
+	ROUGHNESS = 0.45;
+	
+	
+	EMISSION = mix(screen_color.rgb * text, screen_color.rgb, screen_color.a) * grid * intensity;
+	
+}

mob/spawner/spawner_screen.gdshader.uid

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+uid://dhuj314m3wv1c

mob/spawner/spawner_screen_material.tres

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+[gd_resource type="ShaderMaterial" load_steps=3 format=3 uid="uid://jvnbftghahty"]
+
+[ext_resource type="Shader" uid="uid://dhuj314m3wv1c" path="res://mob/spawner/spawner_screen.gdshader" id="1_3sboa"]
+[ext_resource type="Texture2D" uid="uid://cioq2g05svse6" path="res://mob/spawner/spawner_text.png" id="2_871b8"]
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_3sboa")
+shader_parameter/screen_color = Color(0.336095, 0.77375, 0.569932, 0.027451)
+shader_parameter/text_sampler = ExtResource("2_871b8")
+shader_parameter/ratio = 0.25
+shader_parameter/pixel_size = 32.0
+shader_parameter/intensity = 1.5

mob/spawner/spawner_text.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cioq2g05svse6"
+path.s3tc="res://.godot/imported/spawner_text.png-cddf989d7fb9d0d1fac3e9ed8d7837e4.s3tc.ctex"
+path.etc2="res://.godot/imported/spawner_text.png-cddf989d7fb9d0d1fac3e9ed8d7837e4.etc2.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc", "etc2_astc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://mob/spawner/spawner_text.png"
+dest_files=["res://.godot/imported/spawner_text.png-cddf989d7fb9d0d1fac3e9ed8d7837e4.s3tc.ctex", "res://.godot/imported/spawner_text.png-cddf989d7fb9d0d1fac3e9ed8d7837e4.etc2.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0