third persson prototype

godot/Scenes/Levels/prototype.tscn

@@ -0,0 +1,92 @@
+[gd_scene load_steps=18 format=3 uid="uid://coue2qehpn4fr"]
+
+[ext_resource type="Texture2D" uid="uid://b8q44ipg8a3cq" path="res://Assets/Textures/Black.png" id="1_hwes2"]
+[ext_resource type="Texture2D" uid="uid://doyodkg1ds7td" path="res://Assets/Textures/Sky.png" id="1_rrvcb"]
+[ext_resource type="Texture2D" uid="uid://gwt4mrbmdv01" path="res://Assets/Textures/Orange.png" id="2_087ax"]
+[ext_resource type="Texture2D" uid="uid://dkpqh8de7tb3n" path="res://Assets/Textures/Green.png" id="3_qkav0"]
+[ext_resource type="PackedScene" uid="uid://cxmldotp7n010" path="res://Scenes/Characters/player.tscn" id="5_2382e"]
+
+[sub_resource type="PanoramaSkyMaterial" id="PanoramaSkyMaterial_6c4vd"]
+panorama = ExtResource("1_rrvcb")
+
+[sub_resource type="Sky" id="Sky_5ngqa"]
+sky_material = SubResource("PanoramaSkyMaterial_6c4vd")
+
+[sub_resource type="Environment" id="Environment_ctwiv"]
+background_mode = 2
+sky = SubResource("Sky_5ngqa")
+tonemap_mode = 2
+glow_enabled = true
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ajchh"]
+albedo_texture = ExtResource("1_hwes2")
+uv1_triplanar = true
+
+[sub_resource type="PlaneMesh" id="PlaneMesh_mmup0"]
+material = SubResource("StandardMaterial3D_ajchh")
+size = Vector2(50, 50)
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_26ptr"]
+data = PackedVector3Array(25, 0, 25, -25, 0, 25, 25, 0, -25, -25, 0, 25, -25, 0, -25, 25, 0, -25)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_jkvud"]
+albedo_texture = ExtResource("2_087ax")
+uv1_triplanar = true
+
+[sub_resource type="BoxMesh" id="BoxMesh_plpqy"]
+material = SubResource("StandardMaterial3D_jkvud")
+size = Vector3(10, 3, 1)
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_v7prx"]
+data = PackedVector3Array(-5, 1.5, 0.5, 5, 1.5, 0.5, -5, -1.5, 0.5, 5, 1.5, 0.5, 5, -1.5, 0.5, -5, -1.5, 0.5, 5, 1.5, -0.5, -5, 1.5, -0.5, 5, -1.5, -0.5, -5, 1.5, -0.5, -5, -1.5, -0.5, 5, -1.5, -0.5, 5, 1.5, 0.5, 5, 1.5, -0.5, 5, -1.5, 0.5, 5, 1.5, -0.5, 5, -1.5, -0.5, 5, -1.5, 0.5, -5, 1.5, -0.5, -5, 1.5, 0.5, -5, -1.5, -0.5, -5, 1.5, 0.5, -5, -1.5, 0.5, -5, -1.5, -0.5, 5, 1.5, 0.5, -5, 1.5, 0.5, 5, 1.5, -0.5, -5, 1.5, 0.5, -5, 1.5, -0.5, 5, 1.5, -0.5, -5, -1.5, 0.5, 5, -1.5, 0.5, -5, -1.5, -0.5, 5, -1.5, 0.5, 5, -1.5, -0.5, -5, -1.5, -0.5)
+
+[sub_resource type="PrismMesh" id="PrismMesh_0l7qq"]
+left_to_right = -2.0
+size = Vector3(5, 5, 5)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_pfpgv"]
+albedo_texture = ExtResource("3_qkav0")
+uv1_triplanar = true
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_rit6o"]
+data = PackedVector3Array(-12.5, 2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -12.5, 2.5, -2.5, -2.5, -2.5, -2.5, 2.5, -2.5, -2.5, -12.5, 2.5, 2.5, -12.5, 2.5, -2.5, 2.5, -2.5, 2.5, -12.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -2.5, 2.5, -12.5, 2.5, -2.5, -12.5, 2.5, 2.5, -2.5, -2.5, -2.5, -12.5, 2.5, 2.5, -2.5, -2.5, 2.5, -2.5, -2.5, -2.5, -2.5, -2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, -2.5, 2.5, -2.5, 2.5, 2.5, -2.5, -2.5, -2.5, -2.5, -2.5)
+
+[node name="Prototype" type="Node3D"]
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
+environment = SubResource("Environment_ctwiv")
+
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
+transform = Transform3D(-0.866026, -0.433013, 0.249999, 0.5, -0.75, 0.433012, -1.3411e-07, 0.499999, 0.866026, 0, 0, 0)
+shadow_enabled = true
+
+[node name="Floor" type="MeshInstance3D" parent="."]
+mesh = SubResource("PlaneMesh_mmup0")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="Floor"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Floor/StaticBody3D"]
+shape = SubResource("ConcavePolygonShape3D_26ptr")
+
+[node name="Wall" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, -3)
+mesh = SubResource("BoxMesh_plpqy")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="Wall"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Wall/StaticBody3D"]
+shape = SubResource("ConcavePolygonShape3D_v7prx")
+
+[node name="Slope" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2, 1, 4)
+mesh = SubResource("PrismMesh_0l7qq")
+surface_material_override/0 = SubResource("StandardMaterial3D_pfpgv")
+
+[node name="StaticBody3D" type="StaticBody3D" parent="Slope"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Slope/StaticBody3D"]
+shape = SubResource("ConcavePolygonShape3D_rit6o")
+
+[node name="Player" parent="." instance=ExtResource("5_2382e")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.0130468, 0)
+velocity = Vector3(0, 0, 0)

godot/Scripts/Characters/Player.gd

@@ -0,0 +1,63 @@
+extends CharacterBody3D
+
+const LERP_VALUE : float = 0.15
+
+var snap_vector : Vector3 = Vector3.DOWN
+var speed : float
+
+@export_group("Movement variables")
+@export var walk_speed : float = 2.0
+@export var run_speed : float = 5.0
+@export var jump_strength : float = 15.0
+@export var gravity : float = 50.0
+
+const ANIMATION_BLEND : float = 7.0
+
+@onready var player_mesh : Node3D = $Mesh
+@onready var spring_arm_pivot : Node3D = $SpringArmPivot
+@onready var animator : AnimationTree = $AnimationTree
+
+func _physics_process(delta):
+	var move_direction : Vector3 = Vector3.ZERO
+	move_direction.x = Input.get_action_strength("move_right") - Input.get_action_strength("move_left")
+	move_direction.z = Input.get_action_strength("move_backwards") - Input.get_action_strength("move_forwards")
+	move_direction = move_direction.rotated(Vector3.UP, spring_arm_pivot.rotation.y)
+	
+	velocity.y -= gravity * delta
+	
+	if Input.is_action_pressed("run"):
+		speed = run_speed
+	else:
+		speed = walk_speed
+	
+	velocity.x = move_direction.x * speed
+	velocity.z = move_direction.z * speed
+	
+	if move_direction:
+		player_mesh.rotation.y = lerp_angle(player_mesh.rotation.y, atan2(velocity.x, velocity.z), LERP_VALUE)
+	
+	var just_landed := is_on_floor() and snap_vector == Vector3.ZERO
+	var is_jumping := is_on_floor() and Input.is_action_just_pressed("jump")
+	if is_jumping:
+		velocity.y = jump_strength
+		snap_vector = Vector3.ZERO
+	elif just_landed:
+		snap_vector = Vector3.DOWN
+	
+	apply_floor_snap()
+	move_and_slide()
+	animate(delta)
+
+func animate(delta):
+	if is_on_floor():
+		animator.set("parameters/ground_air_transition/transition_request", "grounded")
+		
+		if velocity.length() > 0:
+			if speed == run_speed:
+				animator.set("parameters/iwr_blend/blend_amount", lerp(animator.get("parameters/iwr_blend/blend_amount"), 1.0, delta * ANIMATION_BLEND))
+			else:
+				animator.set("parameters/iwr_blend/blend_amount", lerp(animator.get("parameters/iwr_blend/blend_amount"), 0.0, delta * ANIMATION_BLEND))
+		else:
+			animator.set("parameters/iwr_blend/blend_amount", lerp(animator.get("parameters/iwr_blend/blend_amount"), -1.0, delta * ANIMATION_BLEND))
+	else:
+		animator.set("parameters/ground_air_transition/transition_request", "air")

godot/Scripts/Characters/SpringArmPivot.gd

@@ -0,0 +1,30 @@
+extends Node3D
+
+@export_group("FOV")
+@export var change_fov_on_run : bool
+@export var normal_fov : float = 75.0
+@export var run_fov : float = 90.0
+
+const CAMERA_BLEND : float = 0.05
+
+@onready var spring_arm : SpringArm3D = $SpringArm3D
+@onready var camera : Camera3D = $SpringArm3D/Camera3D
+
+func _ready():
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
+
+func _unhandled_input(event):
+	if event is InputEventMouseMotion:
+		rotate_y(-event.relative.x * 0.005)
+		spring_arm.rotate_x(-event.relative.y * 0.005)
+		spring_arm.rotation.x = clamp(spring_arm.rotation.x, -PI/4, PI/4)
+
+func _physics_process(_delta):
+	if change_fov_on_run:
+		if owner.is_on_floor():
+			if Input.is_action_pressed("run"):
+				camera.fov = lerp(camera.fov, run_fov, CAMERA_BLEND)
+			else:
+				camera.fov = lerp(camera.fov, normal_fov, CAMERA_BLEND)
+		else:
+			camera.fov = lerp(camera.fov, normal_fov, CAMERA_BLEND)

godot/icon.svg

@@ -1 +1 @@
-<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><path d="M105 673v33q407 354 814 0v-33z"/><path d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z" fill="#478cbf"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>
+<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 813 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H447l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c3 34 55 34 58 0v-86c-3-34-55-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>

godot/main.tscn

@@ -1,10 +0,0 @@
-[gd_scene load_steps=2 format=3 uid="uid://uiwigxsdnci1"]
-
-[ext_resource type="Texture2D" uid="uid://cuend5rtkhbnp" path="res://icon.svg" id="1_q81dj"]
-
-[node name="Node2D" type="Node2D"]
-
-[node name="GDExample" type="GDExample" parent="."]
-position = Vector2(5.20978, 6.34048)
-texture = ExtResource("1_q81dj")
-centered = false

godot/project.godot

@@ -11,6 +11,40 @@ config_version=5
 [application]
 
 config/name="Blitz3"
-run/main_scene="res://main.tscn"
+config/tags=PackedStringArray("templates")
+run/main_scene="res://Scenes/Levels/prototype.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
+
+[input]
+
+move_left={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":97,"echo":false,"script":null)
+]
+}
+move_right={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":68,"key_label":0,"unicode":100,"echo":false,"script":null)
+]
+}
+move_forwards={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":87,"key_label":0,"unicode":119,"echo":false,"script":null)
+]
+}
+move_backwards={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":83,"key_label":0,"unicode":115,"echo":false,"script":null)
+]
+}
+run={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194325,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+jump={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":32,"echo":false,"script":null)
+]
+}

src/Player.cpp

@@ -0,0 +1,111 @@
+#include "Player.h"
+
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/input.hpp>
+#include <godot_cpp/classes/input_map.hpp>
+#include <godot_cpp/core/class_db.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+static const float WalkSpeed = 2.0;
+static const float RunSpeed = 5.0;
+static const float JumpStrength = 15.0;
+static const float Gravity = 50.0;
+
+static const float LerpValue = 0.15;
+static const float AnimationBlend = 7.0;
+
+namespace blitz {
+
+void Player::_bind_methods() {}
+
+Player::Player() {}
+Player::~Player() {}
+
+void Player::_ready() {
+	godot::InputMap::get_singleton()->load_from_project_settings();
+	m_PlayerMesh = Object::cast_to<godot::Node3D>(get_child(0));
+	m_SpringArmPivot = Object::cast_to<godot::Node3D>(get_child(2));
+	m_AnimationTree = Object::cast_to<godot::AnimationTree>(get_child(4));
+	DEV_ASSERT(m_PlayerMesh);
+	DEV_ASSERT(m_SpringArmPivot);
+	DEV_ASSERT(m_AnimationTree);
+
+	apply_floor_snap();
+	animate(0);
+}
+
+void Player::_physics_process(float delta) {
+	if (godot::Engine::get_singleton()->is_editor_hint())
+		return;
+
+
+	auto* Input = godot::Input::get_singleton();
+	godot::Vector3 move_direction{0, 0, 0};
+	move_direction.x = Input->get_action_strength("move_right") - Input->get_action_strength("move_left");
+	move_direction.z = Input->get_action_strength("move_backwards") - Input->get_action_strength("move_forwards");
+	move_direction = move_direction.rotated({0, 1, 0}, m_SpringArmPivot->get_rotation().y);
+
+	godot::Vector3 newVelocity = get_velocity();
+	newVelocity.y -= Gravity * delta;
+	set_velocity(newVelocity);
+
+
+
+	if (Input->is_action_pressed("run"))
+		m_Speed = RunSpeed;
+	else
+		m_Speed = WalkSpeed;
+
+	newVelocity = get_velocity();
+	newVelocity.x = move_direction.x * m_Speed;
+	newVelocity.z = move_direction.z * m_Speed;
+	set_velocity(newVelocity);
+
+	if (move_direction != godot::Vector3{0, 0, 0}) {
+		godot::Vector3 newRotation = m_PlayerMesh->get_rotation();
+		newRotation.y = godot::UtilityFunctions::lerp_angle(
+			newRotation.y, godot::UtilityFunctions::atan2(get_velocity().x, get_velocity().z), LerpValue);
+		m_PlayerMesh->set_rotation(newRotation);
+	}
+
+	bool justLanded = is_on_floor() && m_SnapVector == godot::Vector3{0, 0, 0};
+	bool isJumping = is_on_floor() && Input->is_action_just_pressed("jump");
+
+	if (isJumping) {
+		newVelocity = get_velocity();
+		newVelocity.y = JumpStrength;
+		set_velocity(newVelocity);
+		m_SnapVector.zero();
+	} else if (justLanded) {
+		m_SnapVector = {0, -1, 0};
+	}
+
+	apply_floor_snap();
+	move_and_slide();
+	animate(delta);
+}
+
+void Player::animate(float delta) {
+	if (is_on_floor()) {
+		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "grounded");
+
+		if (get_velocity().length() > 0) {
+			if (m_Speed == RunSpeed) {
+				m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+					godot::UtilityFunctions::lerp(
+						m_AnimationTree->get("parameters/iwr_blend/blend_amount"), 1.0, delta * AnimationBlend));
+			} else {
+				m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+					godot::UtilityFunctions::lerp(
+						m_AnimationTree->get("parameters/iwr_blend/blend_amount"), 0.0, delta * AnimationBlend));
+			}
+		} else {
+			m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+				godot::UtilityFunctions::lerp(
+					m_AnimationTree->get("parameters/iwr_blend/blend_amount"), -1.0, delta * AnimationBlend));
+		}
+	} else {
+		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "air");
+	}
+}
+}  // namespace blitz

src/Player.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <godot_cpp/classes/animation_tree.hpp>
+#include <godot_cpp/classes/character_body3d.hpp>
+#include <godot_cpp/classes/node3d.hpp>
+
+namespace blitz {
+class Player : public godot::CharacterBody3D {
+
+	GDCLASS(Player, godot::CharacterBody3D);
+
+  protected:
+	static void _bind_methods();
+
+  public:
+	Player();
+	~Player();
+
+	void _ready();
+	void _physics_process(float delta);
+	void animate(float delta);
+
+  private:
+	godot::Node3D* m_PlayerMesh;
+	godot::Node3D* m_SpringArmPivot;
+	godot::AnimationTree* m_AnimationTree;
+
+	godot::Vector3 m_SnapVector;
+	float m_Speed;
+	/*
+	@onready var player_mesh : Node3D = $Mesh
+@onready var spring_arm_pivot : Node3D = $SpringArmPivot
+@onready var animator : AnimationTree = $AnimationTree
+
+	*/
+};
+}  // namespace blitz

src/SpringArmPivot.cpp

@@ -0,0 +1,65 @@
+#include "SpringArmPivot.h"
+
+#include "Player.h"
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/input.hpp>
+#include <godot_cpp/classes/input_event_mouse_motion.hpp>
+#include <godot_cpp/classes/spring_arm3d.hpp>
+#include <godot_cpp/core/error_macros.hpp>
+#include <godot_cpp/core/math.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+static const float NormalFov = 75.0;
+static const float RunFov = 90.0;
+static const float CameraBlend = 0.05;
+
+namespace blitz {
+
+void SpringArmPivot::_bind_methods() {
+	godot::ClassDB::bind_method(godot::D_METHOD("get_dynfov"), &SpringArmPivot::IsFovDynamic);
+	godot::ClassDB::bind_method(godot::D_METHOD("set_dynfov", "dynamic_fov"), &SpringArmPivot::SetDynamicFov);
+	ADD_PROPERTY(godot::PropertyInfo(godot::Variant::BOOL, "dynamic_fov"), "set_dynfov", "get_dynfov");
+}
+
+SpringArmPivot::SpringArmPivot() {}
+
+SpringArmPivot::~SpringArmPivot() {}
+
+void SpringArmPivot::_ready() {
+	m_SpringArm = Object::cast_to<godot::SpringArm3D>(get_child(0));
+	m_Camera = Object::cast_to<godot::Camera3D>(m_SpringArm->get_child(0));
+	DEV_ASSERT(m_SpringArm);
+	DEV_ASSERT(m_Camera);
+	if (!godot::Engine::get_singleton()->is_editor_hint()) {
+		godot::Input::get_singleton()->set_mouse_mode(godot::Input::MOUSE_MODE_CAPTURED);
+	}
+}
+
+void SpringArmPivot::_unhandled_input(const godot::Ref<godot::InputEvent>& p_event) {
+	auto* event = Object::cast_to<godot::InputEventMouseMotion>(p_event.ptr());
+	if (event) {
+		rotate_y(-event->get_relative().x * 0.005);
+		m_SpringArm->rotate_x(-event->get_relative().y * 0.005);
+
+		godot::Vector3 rotationClamped = m_SpringArm->get_rotation();
+		rotationClamped.x = godot::UtilityFunctions::clamp(rotationClamped.x, -Math_PI / 4, Math_PI / 4);
+		m_SpringArm->set_rotation(rotationClamped);
+	}
+}
+
+void SpringArmPivot::_physics_process(float delta) {
+	if (m_DynamicFOV) {
+		auto* parent = Object::cast_to<Player>(get_owner());
+		if (parent->is_on_floor()) {
+			if (godot::Input::get_singleton()->is_action_pressed("run")) {
+				m_Camera->set_fov(godot::UtilityFunctions::lerp(m_Camera->get_fov(), RunFov, CameraBlend));
+			} else {
+				m_Camera->set_fov(godot::UtilityFunctions::lerp(m_Camera->get_fov(), NormalFov, CameraBlend));
+			}
+		} else {
+			m_Camera->set_fov(godot::UtilityFunctions::lerp(m_Camera->get_fov(), NormalFov, CameraBlend));
+		}
+	}
+}
+
+}  // namespace blitz

src/SpringArmPivot.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <godot_cpp/classes/input_event.hpp>
+#include <godot_cpp/classes/node3d.hpp>
+#include <godot_cpp/classes/spring_arm3d.hpp>
+#include <godot_cpp/classes/camera3d.hpp>
+
+namespace blitz {
+class SpringArmPivot : public godot::Node3D {
+
+	GDCLASS(SpringArmPivot, godot::Node3D);
+
+  protected:
+	static void _bind_methods();
+
+  public:
+	SpringArmPivot();
+	~SpringArmPivot();
+
+	void _ready();
+	void _unhandled_input(const godot::Ref<godot::InputEvent>& p_event);
+	void _physics_process(float delta);
+
+	void SetDynamicFov(bool fov) {
+		m_DynamicFOV = fov;
+	}
+
+	bool IsFovDynamic() const {
+		return m_DynamicFOV;
+	}
+
+  private:
+	godot::SpringArm3D* m_SpringArm;
+	godot::Camera3D* m_Camera;
+
+	bool m_DynamicFOV = false;
+};
+}  // namespace blitz

src/register_types.cpp

@@ -1,6 +1,7 @@
 #include "register_types.h"
 
-#include "gdexample.h"
+#include "Player.h"
+#include "SpringArmPivot.h"
 
 #include <gdextension_interface.h>
 #include <godot_cpp/core/defs.hpp>
@@ -8,37 +9,29 @@
 
 using namespace godot;
 
-void initialize_example_module(ModuleInitializationLevel p_level)
-{
-    if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE)
-    {
-        return;
-    }
+void initialize_example_module(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
 
-    ClassDB::register_class<GDExample>();
+	ClassDB::register_class<blitz::Player>();
+	ClassDB::register_class<blitz::SpringArmPivot>();
 }
 
-void uninitialize_example_module(ModuleInitializationLevel p_level)
-{
-    if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE)
-    {
-        return;
-    }
+void uninitialize_example_module(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
 }
 
 extern "C"
-{
-    GDExtensionBool GDE_EXPORT library_init(
-        GDExtensionInterfaceGetProcAddress p_get_proc,
-        const GDExtensionClassLibraryPtr p_library,
-        GDExtensionInitialization *r_initialization)
-    {
-        godot::GDExtensionBinding::InitObject init_obj(p_get_proc, p_library, r_initialization);
+GDExtensionBool GDE_EXPORT library_init(GDExtensionInterfaceGetProcAddress p_get_proc, const GDExtensionClassLibraryPtr p_library,
+	GDExtensionInitialization* r_initialization) {
+	godot::GDExtensionBinding::InitObject init_obj(p_get_proc, p_library, r_initialization);
 
-        init_obj.register_initializer(initialize_example_module);
-        init_obj.register_terminator(uninitialize_example_module);
-        init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
+	init_obj.register_initializer(initialize_example_module);
+	init_obj.register_terminator(uninitialize_example_module);
+	init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
 
-        return init_obj.init();
-    }
-}
+	return init_obj.init();
+}