godot/demos/3d/truck_town/vehicle.gd

extends VehicleBody

# member variables here, example:
# var a=2
# var b="textvar"


const STEER_SPEED=1
const STEER_LIMIT=0.4

var steer_angle=0
var steer_target=0


export var engine_force=40

func _fixed_process(delta):


	if (Input.is_action_pressed("ui_left")):
		steer_target=-STEER_LIMIT
	elif (Input.is_action_pressed("ui_right")):
		steer_target=STEER_LIMIT
	else:
		steer_target=0

	if (Input.is_action_pressed("ui_up")):
		set_engine_force(engine_force)
	else:
		set_engine_force(0)

	if (Input.is_action_pressed("ui_down")):
		set_brake(1)
	else:
		set_brake(0.0)
								

	if (steer_target < steer_angle):
		steer_angle -= STEER_SPEED*delta
		if (steer_target > steer_angle):
			steer_angle=steer_target
	elif (steer_target > steer_angle):
		steer_angle += STEER_SPEED*delta
		if (steer_target < steer_angle):
			steer_angle=steer_target

	set_steering(steer_angle)
func _ready():
	# Initalization here
	set_fixed_process(true)
	pass