add flying cheat to scale upwards

Player/player_controller.gd

@@ -21,6 +21,7 @@ var current_movement := MovementMode.Walking
 var gravity: float = ProjectSettings.get_setting("physics/3d/default_gravity")
 var move_speed: float = BASE_MOVE_SPEED
 var target_height: float = BASE_HEIGHT
+var flying := false
 
 @onready var body_collision_shape: CollisionShape3D = $BodyCollisionShape
 @onready var fps_camera: Camera3D = $FPSCamera
@@ -47,7 +48,7 @@ func _physics_process(delta: float) -> void:
 		target_height, CROUCH_TRANSITION_SPEED)
 		
 	move_and_slide()
-	if is_on_floor() and Input.is_action_just_pressed("jump"):
+	if (is_on_floor() or flying) and Input.is_action_just_pressed("jump"):
 		velocity.y = JUMP_SPEED
 		
 func _input(event: InputEvent) -> void:
@@ -59,7 +60,11 @@ func _input(event: InputEvent) -> void:
 			-deg_to_rad(70), deg_to_rad(70))
 
 func handle_movement(delta: float) -> void:
-	velocity.y += -gravity * delta
+	velocity.y += 0.0 if flying else -gravity * delta
+	
+	if Input.is_action_just_pressed("_cheat_fly"):
+		flying = not flying
+	
 	var input = Input.get_vector("strafe_left", "strafe_right",
 		"move_forward", "move_backward")