mirror of
https://github.com/Steffo99/hella-farm.git
synced 2024-11-25 17:44:24 +00:00
45 lines
840 B
GDScript3
45 lines
840 B
GDScript3
|
@icon("res://behaviours/target_picker.svg")
|
||
|
|
extends Node
|
||
|
|
class_name TargetPicker
|
||
|
|
|
||
|
|
|
||
|
|
## Pick a random target at random from [field Tracker.tracked], then emit it via [signal target_changed].
|
||
|
|
|
||
|
|
|
||
|
|
signal target_changed(new: Node2D, old: Node2D)
|
||
|
|
|
||
|
|
|
||
|
|
@export var tracker: Tracker
|
||
|
|
|
||
|
|
|
||
|
|
var target: Node2D:
|
||
|
|
get:
|
||
|
|
return target
|
||
|
|
set(value):
|
||
|
|
if target != value:
|
||
|
|
var old = target
|
||
|
|
target = value
|
||
|
|
target_changed.emit(old, target)
|
||
|
|
|
||
|
|
|
||
|
|
func set_target(body: Node2D) -> void:
|
||
|
|
target = body
|
||
|
|
|
||
|
|
func set_target_if_null(body: Node2D) -> void:
|
||
|
|
if target == null:
|
||
|
|
target = body
|
||
|
|
|
||
|
|
func clear_target() -> void:
|
||
|
|
target = null
|
||
|
|
|
||
|
|
func clear_if_target(body: Node2D) -> void:
|
||
|
|
if target == body:
|
||
|
|
clear_target()
|
||
|
|
|
||
|
|
func sample_target() -> void:
|
||
|
|
target = Random.sample(tracker.tracking)
|
||
|
|
|
||
|
|
func sample_target_if_null() -> void:
|
||
|
|
if target == null:
|
||
|
|
sample_target()
|