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hella-farm/behaviours/move_towards.gd
Lorenzo Rossi 8f46ff5022 Generalize move_towards_mouse in move_towards
Also create move_towards_target
2024-04-14 18:20:50 +02:00

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GDScript

extends Node2D
class_name MoveTowards
signal move(movement: Vector2)
signal detached
signal captured
@export var speed: float = 100.0
@export var can_detach: bool = false
enum State { DETACHED, CAPTURED }
var state: State = State.DETACHED
func get_followed_global_position():
return Vector2.ZERO # OVERRIDE ME!
func get_followed_mouse_position():
var global_followed_position: Vector2 = get_followed_global_position()
var relative_followed_position: Vector2 = global_followed_position - global_position
return relative_followed_position
func _physics_process(delta: float) -> void:
match state:
State.CAPTURED:
var relative_followed_position: Vector2 = get_followed_mouse_position()
var direction: Vector2 = position.direction_to(relative_followed_position)
var actual_speed: float = min(delta * speed, relative_followed_position.length()) # Don't overshoot.
var movement: Vector2 = direction * actual_speed
move.emit(movement)
func _on_capture_area_mouse_entered() -> void:
state = State.CAPTURED
captured.emit()
func _on_capture_area_mouse_exited() -> void:
if can_detach:
state = State.DETACHED
detached.emit()