player/moves/walk.gd

   1 extends Move
   2 class_name Walk
   3
   4
   5 const skin_lean_limit := PI/4
   6
   7
   8 func update(input: InputPacket, delta: float):
   9         player.velocity = get_new_velocity_from_input(input, delta)
  10         player.move_and_slide()
  11
  12         # update skin rotation
  13         var skin_target_angle := Vector3.BACK.signed_angle_to(
  14                 player.last_movement_direction,
  15                 Vector3.UP
  16                 )
  17         player.skin.global_rotation.y = lerp_angle(
  18                 player.skin.global_rotation.y,
  19                 skin_target_angle,
  20                 player.rotation_speed * delta
  21         )
  22
  23         # lean into player momentum just a little bit
  24         player.skin.rotation.z = lerp_angle(
  25                 player.skin.rotation.z,
  26                 clamp(
  27                         player.last_movement_direction.signed_angle_to(
  28                                 player.velocity, Vector3.UP
  29                                 ) * player.velocity.length() * 0.08,
  30                         -skin_lean_limit, skin_lean_limit
  31                         ),
  32                 player.rotation_speed * delta * 0.25
  33                 )
  34
  35         player.skin.set_walking_speed(player.velocity.length())
  36
  37
  38 func on_enter_state():
  39         player.skin.transition_move()
  40
  41
  42 func get_new_velocity_from_input(input: InputPacket, delta: float) -> Vector3:
  43         # Get the XZ input direction based on player's input relative to the camera
  44         var forward := camera.global_basis.z
  45         var right := camera.global_basis.x
  46         var movement_direction := (
  47                 forward * input.movement_direction.y + right * input.movement_direction.x
  48                 ).normalized()
  49         movement_direction.y = 0
  50
  51         # save off last movement direction
  52         if movement_direction.length() > 0.2:
  53                 player.last_movement_direction = movement_direction
  54
  55         # if we're not stuck, then it's okay to set the velocity
  56         player.floor_normal = player.get_floor_normal()
  57         player.ground_slope_input = (PI / 2) - player.velocity.angle_to(player.floor_normal)
  58         var new_velocity = player.velocity.move_toward(
  59                 movement_direction * (player.walk_speed + player.ground_slope_input * player.walk_speed),
  60                 player.acceleration * delta
  61                 )
  62
  63         return new_velocity