asset/projectile/projectile.gd

   1 extends Node3D
   2 class_name Projectile
   3
   4
   5 @export var speed := 20.0
   6 @export var max_range := 30.0
   7
   8 var last_movement_direction: Vector3
   9 var weapon: Weapon
  10 var collision_layer: int = 1
  11 var collision_mask: int = 1
  12
  13 var _origin: Vector3
  14
  15 @onready var hurtbox: Hurtbox = $Model/Hurtbox
  16
  17
  18 func _ready() -> void:
  19         if last_movement_direction:
  20                 last_movement_direction = last_movement_direction.normalized()
  21         else:
  22                 last_movement_direction = Vector3.BACK.rotated(Vector3.UP, global_rotation.y)
  23
  24         hurtbox.weapon = weapon
  25         hurtbox.is_attacking = true
  26         hurtbox.set_collision_layer(collision_layer)
  27         hurtbox.set_collision_mask(collision_mask)
  28         _origin = global_position
  29
  30         # TODO: if projectile gets reflected, this must be recalculated!
  31         var target_angle := Vector3.BACK.signed_angle_to(last_movement_direction, Vector3.UP)
  32         global_rotate(Vector3.UP, target_angle)
  33
  34
  35 func _process(delta: float) -> void:
  36         if (global_position - _origin).length() > max_range:
  37                 queue_free()
  38         else:
  39                 global_position = lerp(
  40                         global_position,
  41                         global_position + speed * last_movement_direction,
  42                         delta
  43                         )