documentation pass before moving on

systems/bullets/bullet_behaviors/bullet_behavior.gd

@@ -1,6 +1,7 @@
 @abstract
 class_name BulletBehavior
 extends Resource
+## Controls the movment and actions of a [Bullet].
 
 
 @export_group("Actions", "action_")
@@ -14,11 +15,14 @@ extends Resource
 @export var action_on_interval: BulletAction
 
 
+var _bullet_delay_cooldowns: Dictionary[Bullet, float] = {}
 var _bullet_interval_cooldowns: Dictionary[Bullet, float] = {}
 
 
 ## Performs behavior-specific initialization for a [Bullet].
 func init_bullet(bullet: Bullet) -> void:
+	if action_on_delay:
+		_bullet_delay_cooldowns[bullet] = action_delay
 	if action_on_interval:
 		_bullet_interval_cooldowns[bullet] = action_interval
 	bullet.recycled.connect(deinit_bullet.bind(bullet), CONNECT_ONE_SHOT)
@@ -27,20 +31,23 @@ func init_bullet(bullet: Bullet) -> void:
 
 ## Cleans up behavior-specific state for a [Bullet].
 func deinit_bullet(bullet: Bullet) -> void:
+	_bullet_delay_cooldowns.erase(bullet)
 	_bullet_interval_cooldowns.erase(bullet)
 	_deinit_bullet(bullet)
 
 
 ## Processes one tick of a [Bullet]'s movement.
 func process_bullet(bullet: Bullet, delta: float) -> void:
-	#var last_time = bullet.time_elapsed
-	#bullet.time_elapsed += delta
-	#if last_time < action_delay and bullet.time_elapsed >= action_delay and action_on_delay:
-		#action_on_delay.perform(bullet)
+	if action_on_delay and _bullet_delay_cooldowns.has(bullet):
+		_bullet_delay_cooldowns[bullet] -= delta
+		if _bullet_delay_cooldowns[bullet] <= 0.0:
+			_bullet_delay_cooldowns.erase(bullet)
+			action_on_delay.perform(bullet)
 	if action_on_interval:
 		_bullet_interval_cooldowns[bullet] -= delta
 		if _bullet_interval_cooldowns[bullet] <= 0.0:
 			_bullet_interval_cooldowns[bullet] += action_interval
+			action_on_interval.perform(bullet)
 	_process_bullet(bullet, delta)
 
 

systems/bullets/bullet_behaviors/linear_motion_behavior.gd

@@ -1,4 +1,4 @@
-class_name SimpleLinearBehavior
+class_name LinearMotionBehavior
 extends BulletBehavior
 ## Makes bullets move in [member Bullet.direction], potentially accelerating.