Adds enemies

demo/ai/tasks/select_random_nearby_pos.gd

@@ -0,0 +1,34 @@
+@tool
+extends BTAction
+## Selects a random position nearby within the specified range and stores it on the blackboard. [br]
+## Returns [code]SUCCESS[/code].
+
+## Minimum distance to the desired position.
+@export var range_min: float = 300.0
+
+## Maximum distance to the desired position.
+@export var range_max: float = 500.0
+
+## Blackboard variable that will be used to store the desired position.
+@export var position_var: StringName = &"pos"
+
+
+# Display a customized name (requires @tool).
+func _generate_name() -> String:
+	return "SelectRandomNearbyPos  range: [%s, %s]  ➜%s" % [
+		range_min, range_max,
+		LimboUtility.decorate_var(position_var)]
+
+
+# Called each time this task is ticked (aka executed).
+func _tick(_delta: float) -> Status:
+	var pos: Vector2
+	var is_good_position: bool = false
+	while not is_good_position:
+		# Randomize until we find a good position (good position == not outside the arena).
+		var angle: float = randf() * TAU
+		var rand_distance: float = randf_range(range_min, range_max)
+		pos = agent.global_position + Vector2(sin(angle), cos(angle)) * rand_distance
+		is_good_position = agent.is_good_position(pos)
+	blackboard.set_var(position_var, pos)
+	return SUCCESS