Done refactoring

scripts/objects/ShipEngine.gd

@@ -0,0 +1,57 @@
+extends Node2D
+
+class_name ShipEngine
+
+@export var max_speed : float = 200
+@export var max_turbo_speed : float = 300
+@export var acceleration : float = 50
+@export var fuel_consumption : float = 100
+@export var rotation_speed : int = 90
+@onready var ship = get_parent()
+@onready var hull = $"../Hull"
+var speed = 0
+var min_speed = max_speed / -4
+var turbo_enabled = false
+var alternative_movement = false
+var destination_angle : float
+var destination_difference : float
+
+
+func _physics_process(delta):
+	var turbo_input = Input.get_action_raw_strength("turbo")
+	var acceleration_input = Input.get_axis("deccelerate", "accelerate") if ship is MainShip else 1.0
+	var rotation_input = Input.get_axis("rotateleft","rotateright")
+	if destination_angle - ship.rotation_degrees == clamp(destination_angle - ship.rotation_degrees, -180, 180):
+		destination_difference = destination_angle - ship.rotation_degrees
+	else:
+		destination_difference = ship.rotation_degrees - destination_angle
+	if destination_difference != clamp(destination_difference, -1, 1):
+		ship.rotation_degrees += sign(destination_difference) * rotation_speed * delta
+	else:
+		ship.rotation_degrees = destination_angle
+	if alternative_movement:
+		destination_angle += rotation_input * rotation_speed * delta
+		if destination_angle > 180: destination_angle = -180
+		if destination_angle < -180: destination_angle = 180
+		if Vector2.ZERO.distance_to(global_position) >= 5800:
+			destination_angle = rad_to_deg(global_position.angle_to_point(Vector2.ZERO))
+	elif ship is MainShip:
+		destination_angle = rad_to_deg(ship.global_position.angle_to_point(get_global_mouse_position()))
+	turbo_enabled = clamp(turbo_input * hull.fuel, 0, 1) if ship is MainShip else (ship.state == "runaway" and hull.fuel > 0)
+	if !turbo_enabled:
+		speed = clamp(speed + acceleration_input * acceleration * delta, min_speed, max(max_speed, speed))
+		if speed > max_speed:
+			speed -= acceleration * delta if acceleration_input != -1 else 0
+	else:
+		if hull.fuel > 0:
+			speed = clamp(speed + acceleration * delta, min_speed, max_turbo_speed)
+			if speed > max_speed:
+				hull.fuel -= fuel_consumption * delta
+				if hull.fuel < 0:
+					hull.fuel = 0
+	
+	ship.velocity = Vector2.from_angle(ship.rotation) * speed
+	ship.move_and_slide()
+	
+	if Input.is_action_just_released("alternatemovement") and ship is MainShip:
+		alternative_movement = !alternative_movement