Made sounds update on physics, allowed disabling input and car physics

Author: ArtyIF

addons/aacc/scripts/audio/car_engine_sound_basic.gd

@@ -9,6 +9,6 @@ func _ready() -> void:
 	volume_db = linear_to_db(min_volume)
 	pitch_scale = engine_pitch_range.x
 
-func _process(delta: float) -> void:
+func _physics_process(delta: float) -> void:
 	volume_db = linear_to_db(lerp(min_volume, 1.0, car.accel_amount.get_current_value()))
 	pitch_scale = lerp(engine_pitch_range.x, engine_pitch_range.y, car.revs.get_current_value())

addons/aacc/scripts/audio/car_tire_screech_sound.gd

@@ -3,7 +3,7 @@ class_name CarTireScreechSound extends AudioStreamPlayer3D
 
 @onready var car: Car = get_node("..")
 
-func _process(_delta: float) -> void:
+func _physics_process(_delta: float) -> void:
 	pitch_scale = lerp(0.5, 1.25, car.burnout_amount)
 
 	volume_db = linear_to_db(car.burnout_amount)

addons/aacc/scripts/car.gd

@@ -113,6 +113,9 @@ class_name Car extends RigidBody3D
 ## The force applied to the car when it's mid-air to stabilize it.
 @export var air_stabilization_force: float = 200.0
 
+@export_group("Animation")
+@export var do_not_apply_forces: bool = false
+
 #== NODES ==#
 var wheels: Array[CarWheel]
 
@@ -378,27 +381,28 @@ func _physics_process(delta: float) -> void:
 	update_revs(delta)
 	update_burnout_amount()
 
-	if ground_coefficient > 0.0:
-		var desired_linear_grip_force: Vector3 = Vector3.RIGHT * get_side_grip_force()
-		var desired_engine_force: Vector3 = Vector3.FORWARD * get_engine_force() * delta
-		var desired_brake_force: Vector3 = Vector3.FORWARD * get_brake_force() * delta
-		var desired_slowdown_force: Vector3 = Vector3.FORWARD * get_slowdown_force() * delta
-		# TODO: downforce
-
-		var sum_of_linear_forces: Vector3 = convert_linear_force(desired_linear_grip_force + desired_engine_force + desired_brake_force + desired_slowdown_force, delta)
-		apply_force(sum_of_linear_forces * ground_coefficient / delta, average_wheel_collision_point - global_position)
-		
-		var desired_takeoff_force: Vector3 = Vector3.FORWARD * get_takeoff_force() * delta
-		apply_force(Plane(average_wheel_collision_normal).project(global_basis * desired_takeoff_force) * ground_coefficient / delta, average_wheel_collision_point - global_position)
-
-		var desired_steer_force: Vector3 = Vector3.UP * get_steer_force()
-		var sum_of_angular_forces: Vector3 = convert_angular_force(desired_steer_force, delta)
-		apply_torque(sum_of_angular_forces * average_wheel_collision_normal * ground_coefficient / delta)
-	else:
-		var desired_air_stabilization_force: Vector3 = get_air_stabilization_force() * delta
-
-		var sum_of_angular_forces: Vector3 = convert_angular_force(desired_air_stabilization_force, delta, false)
-		apply_torque(sum_of_angular_forces / delta)
+	if not do_not_apply_forces:
+		if ground_coefficient > 0.0:
+			var desired_linear_grip_force: Vector3 = Vector3.RIGHT * get_side_grip_force()
+			var desired_engine_force: Vector3 = Vector3.FORWARD * get_engine_force() * delta
+			var desired_brake_force: Vector3 = Vector3.FORWARD * get_brake_force() * delta
+			var desired_slowdown_force: Vector3 = Vector3.FORWARD * get_slowdown_force() * delta
+			# TODO: downforce
+
+			var sum_of_linear_forces: Vector3 = convert_linear_force(desired_linear_grip_force + desired_engine_force + desired_brake_force + desired_slowdown_force, delta)
+			apply_force(sum_of_linear_forces * ground_coefficient / delta, average_wheel_collision_point - global_position)
+			
+			var desired_takeoff_force: Vector3 = Vector3.FORWARD * get_takeoff_force() * delta
+			apply_force(Plane(average_wheel_collision_normal).project(global_basis * desired_takeoff_force) * ground_coefficient / delta, average_wheel_collision_point - global_position)
+
+			var desired_steer_force: Vector3 = Vector3.UP * get_steer_force()
+			var sum_of_angular_forces: Vector3 = convert_angular_force(desired_steer_force, delta)
+			apply_torque(sum_of_angular_forces * average_wheel_collision_normal * ground_coefficient / delta)
+		else:
+			var desired_air_stabilization_force: Vector3 = get_air_stabilization_force() * delta
+
+			var sum_of_angular_forces: Vector3 = convert_angular_force(desired_air_stabilization_force, delta, false)
+			apply_torque(sum_of_angular_forces / delta)
 
 	old_linear_velocity = linear_velocity
 	old_angular_velocity = angular_velocity

addons/aacc/scripts/car_input.gd

@@ -2,9 +2,11 @@
 ## TODO: docs
 class_name CarInput extends Node
 
+@export var enabled: bool = true
 @onready var _car: Car = AACCGlobal.current_car
 
 func _physics_process(delta: float) -> void:
+	if not enabled: return
 	if not _car: return
 
 	_car.input_forward = clamp(Input.get_action_strength("aacc_forward"), 0.0, 1.0)

addons/aacc/scripts/car_wheel.gd

@@ -64,6 +64,11 @@ func _ready() -> void:
 	car = get_parent() as Car
 	if visual_node:
 		initial_visual_node_transform = visual_node.transform
+	
+	# The wheels don't need much from the car for physics stuff, but the car
+	# does need stuff from the wheels for the physics stuff. It makes sense
+	# to make the wheels execute slightly before the car.
+	process_physics_priority = -1
 
 func configure_raycasts() -> void:
 	raycast_instance_1.target_position = (Vector3.DOWN * (wheel_radius + suspension_length))
@@ -178,7 +183,9 @@ func _physics_process(delta: float) -> void:
 			last_compression = compression
 
 			suspension_magnitude *= collision_normal.dot(global_basis.y)
-			car.apply_force(collision_normal * suspension_magnitude, collision_point - car.global_position)
+			
+			if not car.do_not_apply_forces:
+				car.apply_force(collision_normal * suspension_magnitude, collision_point - car.global_position)
 	else:
 		is_colliding = false
 		last_compression = 0.0