LaserGun without collisions

src/Bullet.cpp

@@ -0,0 +1,22 @@
+#include "Bullet.h"
+
+using namespace godot;
+
+namespace blitz {
+
+static constexpr float BULLET_SPEED = 40.0f;
+
+void Bullet::_bind_methods() {}
+
+Bullet::Bullet() {}
+
+Bullet::~Bullet() {}
+
+void Bullet::_ready() {}
+
+void Bullet::_physics_process(float a_Delta) {
+	Vector3 movement = Vector3(0, 0, -BULLET_SPEED) * a_Delta;
+	set_position(get_transform().xform(movement));
+}
+
+}  // namespace blitz

src/Bullet.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <godot_cpp/classes/node3d.hpp>
+
+namespace blitz {
+class Bullet : public godot::Node3D {
+	GDCLASS(Bullet, godot::Node3D)
+  protected:
+	static void _bind_methods();
+
+  public:
+	Bullet();
+	~Bullet();
+
+	void _ready();
+	void _physics_process(float delta);
+};
+
+}  // namespace blitz

src/FirstPersonPlayer.cpp

@@ -4,6 +4,7 @@
 #include <godot_cpp/classes/input.hpp>
 #include <godot_cpp/classes/input_event_mouse_motion.hpp>
 #include <godot_cpp/classes/input_map.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
 #include <godot_cpp/core/math.hpp>
 
 using namespace godot;
@@ -32,6 +33,7 @@ static constexpr float FOV_TRANSITION = 8.0f;
 static constexpr float MIN_FOV_VELOCITY = 0.5;
 static constexpr float MAX_FOV_VELOCITY = SPRINT_SPEED * 2.0f;
 
+
 void FirstPersonPlayer::_bind_methods() {}
 
 FirstPersonPlayer::FirstPersonPlayer() : m_BobTime(0) {}
@@ -47,6 +49,14 @@ void FirstPersonPlayer::_ready() {
 	DEV_ASSERT(m_Head);
 	m_Camera = Object::cast_to<Camera3D>(m_Head->find_child("Camera"));
 	DEV_ASSERT(m_Camera);
+	m_WeaponAnimation = Object::cast_to<AnimationPlayer>(find_child("AnimationPlayer"));
+	DEV_ASSERT(m_WeaponAnimation);
+	m_GunBarrel = Object::cast_to<RayCast3D>(find_child("RayCast3D"));
+	DEV_ASSERT(m_GunBarrel);
+	m_BulletScene = ResourceLoader::get_singleton()->load("res://Scenes/Weapons/bullet.tscn");
+	if (!m_BulletScene.is_valid()) {
+		ERR_PRINT("Failed to load bullet scene.");
+	}
 }
 
 void FirstPersonPlayer::_unhandled_input(const godot::Ref<godot::InputEvent>& a_Event) {
@@ -84,6 +94,16 @@ void FirstPersonPlayer::_physics_process(float a_Delta) {
 	UpdateFOV(a_Delta);
 	UpdateBobbing(a_Delta);
 
+	if (Input->is_action_pressed("shoot")) {
+		if (!m_WeaponAnimation->is_playing()) {
+			m_WeaponAnimation->play("Shoot");
+			m_BulletInstance = m_BulletScene->instantiate();
+			m_BulletInstance->set("position", m_GunBarrel->get_global_transform().origin);
+			m_BulletInstance->set("rotation", m_GunBarrel->get_global_transform().basis.get_euler());
+			get_parent()->add_child(m_BulletInstance);
+		}
+	}
+
 	move_and_slide();
 }
 

src/FirstPersonPlayer.h

@@ -1,9 +1,13 @@
 #pragma once
 
+#include <godot_cpp/classes/animation_player.hpp>
 #include <godot_cpp/classes/camera3d.hpp>
 #include <godot_cpp/classes/character_body3d.hpp>
 #include <godot_cpp/classes/input_event_mouse_motion.hpp>
 #include <godot_cpp/classes/node3d.hpp>
+#include <godot_cpp/classes/packed_scene.hpp>
+#include <godot_cpp/classes/ray_cast3d.hpp>
+#include <godot_cpp/classes/ref.hpp>
 
 namespace blitz {
 
@@ -24,6 +28,10 @@ class FirstPersonPlayer : public godot::CharacterBody3D {
   private:
 	godot::Camera3D* m_Camera;
 	godot::Node3D* m_Head;
+	godot::AnimationPlayer* m_WeaponAnimation;
+	godot::RayCast3D* m_GunBarrel;
+	godot::Node* m_BulletInstance;
+	godot::Ref<godot::PackedScene> m_BulletScene;
 	float m_BobTime;
 	float m_Speed;
 

src/register_types.cpp

@@ -1,5 +1,6 @@
 #include "register_types.h"
 
+#include "Bullet.h"
 #include "FirstPersonPlayer.h"
 #include "Player.h"
 #include "SpringArmPivot.h"
@@ -18,6 +19,7 @@ void initialize_example_module(ModuleInitializationLevel p_level) {
 	ClassDB::register_class<blitz::Player>();
 	ClassDB::register_class<blitz::SpringArmPivot>();
 	ClassDB::register_class<blitz::FirstPersonPlayer>();
+	ClassDB::register_class<blitz::Bullet>();
 }
 
 void uninitialize_example_module(ModuleInitializationLevel p_level) {