ft: predator mostly done

evolve-die-repeat/molecular/predator/state_hunting.gd

@@ -0,0 +1,26 @@
+extends State
+
+var target: Node2D
+
+func enter(previous_state_path: String, data := {}) -> void:
+	if data.has("target"):
+		target = data["target"]
+		owner.sprite.play("Hunting")
+	else:
+		# default behaviour; do nothing
+		finished.emit(owner.fsm.States.IDLE, {})
+
+func physics_update(_delta: float) -> void:
+	if target == owner or target == null or owner.position.distance_to(target.position) > owner.sight_range:
+		finished.emit(owner.fsm.States.IDLE, {}) 
+		return
+	
+	# alternatively, we could use a collision shape and inbuilt signals, but im not sure if that works better (mixing signals and custom fsm stuff i mean
+	if owner.position.distance_to(target.position) > owner.attack_range:
+		owner.move(move_towards(target.position))
+	else:
+		owner.attack(target)
+
+func move_towards(pos: Vector2) -> Vector3:
+	var diff = target.position - owner.position
+	return Vector3(diff.x, diff.y ,0)