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

46 lines
891 B
GDScript

extends VehicleBody
# Member variables
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():
set_fixed_process(true)