🎮 Diagrama de Conceptos: Godot 2D

extends CharacterBody2D

const SPEED = 300.0
const JUMP_VELOCITY = -400.0

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")

func _physics_process(delta):
    # Add gravity
    if not is_on_floor():
        velocity.y += gravity * delta

    # Handle jump
    if Input.is_action_just_pressed("ui_accept") and is_on_floor():
        velocity.y = JUMP_VELOCITY

    # Get input direction
    var direction = Input.get_axis("ui_left", "ui_right")
    if direction:
        velocity.x = direction * SPEED
    else:
        velocity.x = move_toward(velocity.x, 0, SPEED)

    move_and_slide()

# Declarar signal
signal health_changed(new_health)
signal player_died

# Emitir signals
func take_damage(amount: int):
    health -= amount
    health_changed.emit(health)
    
    if health <= 0:
        player_died.emit()

# Conectar signals en _ready()
func _ready():
    health_changed.connect(_on_health_changed)
    player_died.connect(_on_player_died)

func _on_health_changed(new_health: int):
    print("Salud actual: ", new_health)
    
func _on_player_died():
    print("Game Over!")

extends CharacterBody2D

# Variables básicas exportadas
@export var speed: float = 100.0
@export var jump_height: int = 400
@export var player_name: String = "Player"

# Exportar con rangos
@export_range(0.0, 10.0) var damage_multiplier: float = 1.0
@export_range(1, 100, 1) var max_health: int = 100

# Exportar enums
@export var difficulty: Difficulty = Difficulty.NORMAL
enum Difficulty { EASY, NORMAL, HARD }

# Exportar resources
@export var weapon: WeaponResource
@export var player_texture: Texture2D

# Grupos en el inspector
@export_group("Movement")
@export var walk_speed: float = 200.0
@export var run_speed: float = 400.0

# Pool simple para balas
class_name BulletPool extends Node

var bullet_scene = preload("res://Bullet.tscn")
var available_bullets: Array[Bullet] = []
var active_bullets: Array[Bullet] = []

func _ready():
    # Pre-crear pool de balas
    for i in range(50):
        var bullet = bullet_scene.instantiate()
        bullet.visible = false
        add_child(bullet)
        available_bullets.append(bullet)

func get_bullet() -> Bullet:
    if available_bullets.is_empty():
        # Crear nueva si no hay disponibles
        var bullet = bullet_scene.instantiate()
        add_child(bullet)
        return bullet
    else:
        # Reutilizar existente
        var bullet = available_bullets.pop_back()
        active_bullets.append(bullet)
        return bullet

func return_bullet(bullet: Bullet):
    bullet.visible = false
    active_bullets.erase(bullet)
    available_bullets.append(bullet)