Improved resetting cars

addons/aacc/scripts/car.gd

@@ -158,6 +158,48 @@ func _ready():
 		if wheel is CarWheel:
 			wheels.append(wheel)
 
+## Resets every dynamically-updated value to their initial value. Exported
+## values that are user-editable are not affected.
+func reset() -> void:
+	#== INPUT ==#
+	input_forward = 0.0
+	input_backward = 0.0
+	input_steer = 0.0
+	input_handbrake = false
+	old_input_handbrake = false
+
+	#== VELOCITIES ==#
+	local_linear_velocity = Vector3.ZERO
+	local_angular_velocity = Vector3.ZERO
+	old_linear_velocity = Vector3.ZERO
+	old_angular_velocity = Vector3.ZERO
+
+	#== GROUND ==#
+	ground_coefficient = 1.0
+	average_wheel_collision_point = Vector3.ZERO
+	average_wheel_collision_normal = Vector3.ZERO
+
+	#== SMOOTH VALUES ==#
+	smooth_steer = SmoothedFloat.new()
+	smooth_steer_sign = SmoothedFloat.new()
+	use_smooth_steer_sign_value = false
+
+	#== GEARS ==#
+	current_gear = 0
+	target_gear = 0
+	switching_gears = false
+	gear_switch_timer = 0.0
+	revs = SmoothedFloat.new()
+	accel_amount = SmoothedFloat.new(0.0, 60.0)
+
+	#== BURNOUT AMOUNT ==#
+	burnout_amount = 0.0
+
+	#== WHEELS ==#
+	for wheel in wheels:
+		wheel.reset()
+
+
 #region Processing
 func get_input_steer_multiplier() -> float:
 	if local_linear_velocity.z > 0.0: return 1.0

addons/aacc/scripts/car_wheel.gd

@@ -49,9 +49,9 @@ var current_forward_spin: float = 0.0
 
 #== EXTERNAL ==#
 var is_colliding: bool = false
-var collision_point: Vector3
-var collision_normal: Vector3
-var distance: float
+var collision_point: Vector3 = Vector3.ZERO
+var collision_normal: Vector3 = Vector3.ZERO
+var distance: float = 0.0
 
 func _ready() -> void:
 	# TODO: use ShapeCast3D instead
@@ -70,6 +70,21 @@ func _ready() -> void:
 	# to make the wheels execute slightly before the car.
 	process_physics_priority = -1
 
+func reset() -> void:
+	#== COMPRESSION ==#
+	compression = 0.0
+	last_compression = 0.0
+	last_compression_set = false
+
+	#== VISUALS ==#
+	current_forward_spin = 0.0
+
+	#== EXTERNAL ==#
+	is_colliding = false
+	collision_point = Vector3.ZERO
+	collision_normal = Vector3.ZERO
+	distance = 0.0
+
 func configure_raycasts() -> void:
 	raycast_instance_1.target_position = (Vector3.DOWN * (wheel_radius + suspension_length))
 	raycast_instance_1.enabled = true

demo_assets/scripts/car_resetter.gd

@@ -9,3 +9,4 @@ func _physics_process(_delta: float) -> void:
 		_car.angular_velocity = Vector3.ZERO
 		_car.force_update_transform()
 		_car.reset_physics_interpolation()
+		_car.reset()