added attacks

scripts/attack.gd

@@ -0,0 +1,23 @@
+extends Node2D
+class_name Attack
+
+@onready var cpu_particles_2d: CPUParticles2D = $CPUParticles2D
+@onready var area_2d: Area2D = $Area2D
+
+var initiator: Entity
+
+func set_initiator(entity: Entity) -> void:
+	position = entity.position
+	initiator = entity
+
+func _ready() -> void:
+	cpu_particles_2d.emitting = true
+	cpu_particles_2d.color = initiator.color
+
+func _on_cpu_particles_2d_finished() -> void:
+	var collisions := area_2d.get_overlapping_bodies()
+	for object in collisions:
+		if object is Entity and object != initiator:
+			object.hit()
+	print("attack hit %s" % collisions.size())
+	queue_free()