1 files changed, 44 insertions, 0 deletions
diff --git a/scripts/base_crawler.gd b/scripts/base_crawler.gd
new file mode 100644
index 0000000..3525e97
--- /dev/null
+++ b/scripts/base_crawler.gd
@@ -0,0 +1,44 @@
+extends CharacterBody2D
+
+@onready var sprite_node = $Sprite2D
+
+var damage : int
+var speed : float
+var max_health : float
+var worth : int
+
+var _health : float
+var _timer : Timer
+
+func _ready() -> void:
+	_health = max_health
+
+	_timer = Timer.new()
+	_timer.wait_time = speed / 60
+	_timer.autostart = true
+	_timer.connect("timeout", Callable(self, "_on_animate_timeout"))
+	add_child(_timer)
+
+
+func _process(delta):
+	get_parent().set_progress(get_parent().get_progress() + speed * delta)
+	if get_parent().get_progress_ratio() == 1:
+		GameData.subtract_morale(damage)
+		queue_free()
+
+func deal_damage(tower_damage):
+	_health -= tower_damage
+	if _health <= 0:
+		GameData.add_life(worth)
+		queue_free()
+	else:
+		_update_color()
+
+func _update_color():
+	var ratio : float = _health / max_health
+	var target_color = Color(1, ratio, ratio)
+
+	sprite_node.modulate = target_color
+
+func _on_animate_timeout():
+	sprite_node.scale.x = -sprite_node.scale.x