Added dummy enemy

src/npc/dummy/dummy.gd

@@ -0,0 +1,12 @@
+extends CharacterBody3D
+
+# Get the gravity from the project settings to be synced with RigidBody nodes.
+var gravity: float = ProjectSettings.get_setting("physics/3d/default_gravity")
+
+
+func _physics_process(delta: float) -> void:
+	# Add the gravity.
+	if not is_on_floor():
+		velocity.y -= gravity * delta
+
+	move_and_slide()

src/npc/dummy/dummy.tscn

@@ -0,0 +1,38 @@
+[gd_scene load_steps=8 format=3 uid="uid://2vetjvn3w0si"]
+
+[ext_resource type="Script" path="res://src/npc/dummy/dummy.gd" id="1_fw1h8"]
+[ext_resource type="Texture2D" uid="uid://b0yefajw1cqo" path="res://assets/textures/character_placeholder.png" id="1_jiqkj"]
+[ext_resource type="Shader" path="res://src/shaders/spatial_threshold.gdshader" id="2_lqgq8"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_g4reu"]
+render_priority = 0
+shader = ExtResource("2_lqgq8")
+shader_parameter/color_low = Color(0, 0, 0, 1)
+shader_parameter/color_hi = Color(1, 1, 1, 1)
+shader_parameter/threshold = 0.19
+shader_parameter/contrast = 1.0
+shader_parameter/offset = 0.0
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_1rns5"]
+next_pass = SubResource("ShaderMaterial_g4reu")
+albedo_texture = ExtResource("1_jiqkj")
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_b3qv8"]
+material = SubResource("StandardMaterial3D_1rns5")
+radius = 0.7
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_3x80o"]
+radius = 0.7
+
+[node name="Dummy" type="CharacterBody3D"]
+script = ExtResource("1_fw1h8")
+
+[node name="Mesh" type="Node3D" parent="."]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="Mesh"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+mesh = SubResource("CapsuleMesh_b3qv8")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+shape = SubResource("CapsuleShape3D_3x80o")