3 files changed, 85 insertions, 0 deletions
diff --git a/Effects/Effect.gd b/Effects/Effect.gd
new file mode 100644
index 0000000..f1662a7
--- /dev/null
+++ b/Effects/Effect.gd
@@ -0,0 +1,46 @@
+class_name Effect
+extends Node
+
+
+signal duration_finished
+signal tick_finished
+
+var duration: float = 0.0
+var DurationTimer: Timer
+
+var tick: float = 0.0
+var TickTimer: Timer
+
+
+func _ready():
+	pass
+
+
+func set_duration(value: float):
+	duration = value
+	
+	if not DurationTimer:
+		DurationTimer = Timer.new()
+		DurationTimer.timeout.connect(func():
+			duration_finished.emit()
+			queue_free()
+		)
+		add_child(DurationTimer)
+	
+	DurationTimer.wait_time = duration
+	DurationTimer.start()
+
+
+func set_tick(value: float):
+	tick = value
+	
+	if not TickTimer:
+		TickTimer = Timer.new()
+		TickTimer.timeout.connect(func():
+			tick_finished.emit()
+			TickTimer.start()
+		)
+		add_child(TickTimer)
+	
+	TickTimer.wait_time = tick
+	TickTimer.start()
diff --git a/Effects/SlowEffect.gd b/Effects/SlowEffect.gd
new file mode 100644
index 0000000..27dcc59
--- /dev/null
+++ b/Effects/SlowEffect.gd
@@ -0,0 +1,33 @@
+extends Effect
+
+
+@onready var unit: Unit = get_parent()
+
+var base_speed: float
+
+
+var magnitude: float = 0.5 :
+	set(value):
+		magnitude = clamp(value, 0.0, 1.0)
+
+
+func _ready():
+	if self.name != "SlowEffect" and unit.has_node("SlowEffect"):
+		unit.get_node("SlowEffect").set_duration(5.0)
+		queue_free()
+	else:
+		add()
+		set_duration(5.0)
+		duration_finished.connect(func():
+			remove()
+		)
+
+
+func add():
+	unit.get_node("Sprite2D").self_modulate = Color(0, 0, 1)
+	unit.speed -= unit.base_speed * magnitude
+
+
+func remove():
+	unit.get_node("Sprite2D").self_modulate = Color(1, 1, 1)
+	unit.speed += unit.base_speed * magnitude
diff --git a/Effects/SlowEffect.tscn b/Effects/SlowEffect.tscn
new file mode 100644
index 0000000..ceef7b4
--- /dev/null
+++ b/Effects/SlowEffect.tscn
@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://chay02kqn73gv"]
+
+[ext_resource type="Script" path="res://Effects/SlowEffect.gd" id="1_8smja"]
+
+[node name="SlowEffect" type="Node2D"]
+script = ExtResource("1_8smja")