asset/character/model/state/moving_state.gd

   1 extends State
   2 class_name MovingState
   3
   4
   5 const skin_lean_limit := PI/8
   6
   7 @export var movement_speed: float
   8
   9
  10 func update(input: InputPacket, delta: float):
  11         super.update(input, delta)
  12         player.velocity = get_new_velocity_from_input(input, delta, movement_speed)
  13         player.move_and_slide()
  14         update_skin(delta)
  15
  16
  17 func update_skin(delta: float):
  18         # update skin rotation
  19         var skin_target_angle := Vector3.BACK.signed_angle_to(
  20                 player.last_movement_vector,
  21                 Vector3.UP
  22                 )
  23         player.model.global_rotation.y = lerp_angle(
  24                 player.model.global_rotation.y,
  25                 skin_target_angle,
  26                 PlayerVariables.rotation_speed * delta
  27         )
  28
  29         # lean into player momentum just a little bit
  30         player.model.rotation.z = lerp_angle(
  31                 player.model.rotation.z,
  32                 clamp(
  33                         player.last_movement_vector.signed_angle_to(
  34                                 player.velocity, Vector3.UP
  35                                 ) * player.velocity.length() * 0.08,
  36                         -skin_lean_limit, skin_lean_limit
  37                         ),
  38                 PlayerVariables.rotation_speed * delta * 0.25
  39                 )
  40
  41
  42 func get_new_velocity_from_input(input: InputPacket, delta: float, speed: float) -> Vector3:
  43         var movement_vector := Vector3(
  44                 input.player_movement_direction.x,
  45                 0,
  46                 input.player_movement_direction.y
  47                 )
  48
  49         # save off last movement direction
  50         if movement_vector.length() > 0.2:
  51                 player.last_movement_vector = movement_vector
  52
  53         # if we're not stuck, then it's okay to set the velocity
  54         player.floor_normal = player.get_floor_normal()
  55         player.ground_slope_input = (PI / 2) - player.velocity.angle_to(player.floor_normal)
  56         var new_velocity = player.velocity.move_toward(
  57                 movement_vector * (speed + player.ground_slope_input * speed),
  58                 PlayerVariables.acceleration * delta
  59                 )
  60
  61         return new_velocity