89 lines
2.6 KiB
GDScript
89 lines
2.6 KiB
GDScript
extends KinematicBody2D
|
|
|
|
|
|
export var direction = -1
|
|
export var speed = 50
|
|
export var follow_path = false
|
|
var target: Vector2 = Vector2(0, 0)
|
|
var target_id = 0
|
|
var start_position = Vector2()
|
|
|
|
|
|
func _ready() -> void:
|
|
start_position = position
|
|
if follow_path:
|
|
if $Path.get_child_count() == 0:
|
|
follow_path = false
|
|
else:
|
|
target = $Path.get_child(0).position
|
|
if direction == 1:
|
|
$AnimatedSprite.flip_h = true
|
|
|
|
Event.connect("level_loaded", self, "_on_level_loaded")
|
|
|
|
|
|
func _physics_process(delta: float) -> void:
|
|
if $LeftWallChecker.is_colliding():
|
|
wall_checker_collided($LeftWallChecker)
|
|
elif $RightWallChecker.is_colliding():
|
|
wall_checker_collided($RightWallChecker)
|
|
|
|
var velocity: Vector2 = Vector2(0, 0)
|
|
if not follow_path:
|
|
var target_position = position
|
|
target_position.x *= 2 * direction
|
|
position = position.move_toward(target_position, round(speed * delta))
|
|
|
|
velocity = get_velocity_towards_target(delta)
|
|
var collision = move_and_collide(velocity, true, true, true)
|
|
if collision and collision.collider.name != "Player":
|
|
var _collision = move_and_collide(velocity)
|
|
else:
|
|
velocity = get_velocity_towards_target(delta)
|
|
|
|
var collision = move_and_collide(velocity, true, true, true)
|
|
if collision and collision.collider.name != "Player":
|
|
var _collision = move_and_collide(velocity)
|
|
else:
|
|
position = position.move_toward(start_position + target, round(speed * delta))
|
|
|
|
if position == start_position + target:
|
|
if $Path.get_child_count() - 1 == target_id:
|
|
target_id = -1
|
|
target = $Path.position
|
|
else:
|
|
target_id += 1
|
|
target = $Path.get_child(target_id).position
|
|
|
|
if start_position.x + target.x > position.x:
|
|
$AnimatedSprite.flip_h = true
|
|
elif start_position.x + target.x < position.x:
|
|
$AnimatedSprite.flip_h = false
|
|
|
|
Event.emit_signal("object_updated", self.get_name(), "Flying", global_position, velocity)
|
|
|
|
|
|
func get_velocity_towards_target(delta: float) -> Vector2:
|
|
var velocity = Vector2(0, 0)
|
|
if start_position.x + target.x > position.x:
|
|
velocity.x = speed * delta
|
|
elif start_position.x + target.x < position.x:
|
|
velocity.x = -speed * delta
|
|
|
|
if start_position.y + target.y > position.y:
|
|
velocity.y = speed * delta
|
|
elif start_position.y + target.y < position.y:
|
|
velocity.y = -speed * delta
|
|
return velocity
|
|
|
|
|
|
func wall_checker_collided(wall_checker: RayCast2D) -> void:
|
|
if wall_checker.get_collider().name == "Player":
|
|
Event.emit_signal("player_touched", 3)
|
|
direction *= -1
|
|
$AnimatedSprite.flip_h = not $AnimatedSprite.flip_h
|
|
|
|
|
|
func _on_level_loaded() -> void:
|
|
Event.emit_signal("object_created", self.get_name(), "Flying", global_position, Vector2(0, 0))
|