way too many changes to list, oops. big rewrite.

Towers/Gatling/tower_gatling.gd

@@ -0,0 +1,33 @@
+class_name GatlingTower extends Tower
+
+var time_since_firing_started: float = 0.0
+var time_to_reach_max_speed: float = 0.0
+var max_speed_multiplier: float = 0.0
+var current_time_between_shots: float = 0.0
+var final_time_between_shots: float = 0.0
+
+
+func _ready() -> void:
+	super._ready()
+	time_to_reach_max_speed = stats.get_attribute("Speed Time")
+	max_speed_multiplier = stats.get_attribute("Speed Multiplier")
+	final_time_between_shots = time_between_shots / max_speed_multiplier
+
+
+func _process(delta: float) -> void:
+	if time_since_firing < current_time_between_shots:
+		time_since_firing += delta
+
+
+func _physics_process(delta: float) -> void:
+	if !target_finder.targets.size() > 0:
+		time_since_firing_started = 0.0
+		current_time_between_shots = time_between_shots
+	else:
+		aim()
+		time_since_firing_started += delta
+		var progress: float = clamp(time_since_firing_started / time_to_reach_max_speed, 0, 1.0)
+		current_time_between_shots = lerpf(time_between_shots, final_time_between_shots, progress)
+		if time_since_firing >= current_time_between_shots:
+			time_since_firing -= current_time_between_shots
+			shoot()