World.gd

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`5b18ed86` 2023-11-01 Pavel Safronov	1	extends Node2D
	2
	3	const Utils = preload("res://Utils.gd")
	4	const Enemy = preload("res://Enemy.tscn")
`f398dcb9` 2023-11-02 Pavel Safronov	5	export var enemy_count = 4
`f108d953` 2023-11-02 Pavel Safronov	6	var destination: Vector2
	7	var is_destination_set = false
`0c1938a6` 2023-11-01 Pavel Safronov	8
`e9f8f8f2` 2023-11-01 Pavel Safronov	9	func _ready() -> void:
	10	for n in enemy_count:
	11	add_new_enemy(true)
`5b18ed86` 2023-11-01 Pavel Safronov	12
	13	func _on_enemy_killed() -> void:
	14	$CanvasLayer/HUD.score += 1
`e9f8f8f2` 2023-11-01 Pavel Safronov	15	# use call_deferred to ensure that this happens after the collision has been processed
	16	call_deferred("add_new_enemy")
`5b18ed86` 2023-11-01 Pavel Safronov	17
`e9f8f8f2` 2023-11-01 Pavel Safronov	18	func add_new_enemy(should_be_visible: bool = false) -> void:
`5b18ed86` 2023-11-01 Pavel Safronov	19	var pos_angle = randi() % 360
	20	var unit_vector = Vector2.UP.rotated(pos_angle)
`e9f8f8f2` 2023-11-01 Pavel Safronov	21	var screen_radius = get_viewport().get_visible_rect().size.length() / 2 + 10
`d5d1043b` 2023-11-02 Pavel Safronov	22	var enemy_spawn_dist = 400 if should_be_visible else screen_radius
`5b18ed86` 2023-11-01 Pavel Safronov	23	var pos = unit_vector * enemy_spawn_dist + $Player.global_position
	24
	25	var enemy = Enemy.instance()
	26	enemy.connect("enemy_killed", self, "_on_enemy_killed")
	27	enemy.position = pos
`f398dcb9` 2023-11-02 Pavel Safronov	28	enemy.add_to_group("enemies")
`5b18ed86` 2023-11-01 Pavel Safronov	29	add_child(enemy)
`f108d953` 2023-11-02 Pavel Safronov	30
`a71b5173` 2023-11-02 Pavel Safronov	31	func _input(event: InputEvent) -> void:
	32	if event is InputEventScreenTouch:
	33	if event.pressed && !$Player.dead:
`ad6f22a5` 2023-11-02 Pavel Safronov	34	Utils.log("event position", event.position)
	35	Utils.log("to_global(event.position)", to_global(event.position))
`ded27fa1` 2023-11-06 Pavel Safronov	36	Utils.log("player", $Player.position)
	37	var result = event.position + $Player.position - Vector2(500, 300)
	38	set_destination(result)
`a71b5173` 2023-11-02 Pavel Safronov	39
`8c2ffd3f` 2023-11-02 Pavel Safronov	40	func _process(_delta: float) -> void:
`f398dcb9` 2023-11-02 Pavel Safronov	41	if Input.is_action_just_pressed("click") and !$Player.dead:
`f108d953` 2023-11-02 Pavel Safronov	42	var pos = get_global_mouse_position()
`a71b5173` 2023-11-02 Pavel Safronov	43	set_destination(pos)
`52220002` 2023-11-06 Pavel Safronov	44	if Input.is_action_just_pressed("pause"):
	45	get_tree().paused = true
	46	$CanvasLayer/PauseMenu.show()
`f108d953` 2023-11-02 Pavel Safronov	47
	48	if is_destination_set:
`52220002` 2023-11-06 Pavel Safronov	49	var diff = destination - $Player.global_position
`f108d953` 2023-11-02 Pavel Safronov	50	var unit = diff.normalized()
	51	$Player.velocity = unit * $Player.move_speed
	52	$Destination.visible = true
	53	else:
	54	$Destination.visible = false
`f398dcb9` 2023-11-02 Pavel Safronov	55	$Player.velocity = Vector2.ZERO
`f108d953` 2023-11-02 Pavel Safronov	56
`a71b5173` 2023-11-02 Pavel Safronov	57	func set_destination(pos: Vector2) -> void:
`ad6f22a5` 2023-11-02 Pavel Safronov	58	Utils.log("setting destination to ", pos)
`a71b5173` 2023-11-02 Pavel Safronov	59	destination = pos
	60	is_destination_set = true
`52220002` 2023-11-06 Pavel Safronov	61	$Destination.global_position = pos
`a71b5173` 2023-11-02 Pavel Safronov	62	$Destination.visible = true
	63	$Player. global_rotation = global_position.direction_to(get_global_mouse_position()).angle() + PI/2.0
	64
`6e5e56fe` 2023-11-02 Pavel Safronov	65	func _on_Destination_body_entered(body: Node) -> void:
	66	if body == $Player:
	67	is_destination_set = false
`f398dcb9` 2023-11-02 Pavel Safronov	68
	69	func sort_enemies_ascending_distance(a: Enemy,b: Enemy):
`52220002` 2023-11-06 Pavel Safronov	70	var distA = $Player.global_position.distance_to(a.global_position)
	71	var distB = $Player.global_position.distance_to(b.global_position)
	72	var result = distA < distB
	73	return result
	74
	75	func filter_invalid_enemies(enemy: Enemy) -> bool:
	76	if enemy.dead:
	77	return false
	78	return true
`f398dcb9` 2023-11-02 Pavel Safronov	79
	80	func _on_ShootTimer_timeout() -> void:
	81	if $Player.dead:
	82	return
	83	var enemies = get_tree().get_nodes_in_group("enemies")
`52220002` 2023-11-06 Pavel Safronov	84	for e in enemies:
	85	var enemy: Enemy = e
	86	enemy.is_targeted = false
	87
	88	var filteredEnemies = Utils.filter(funcref(self,"filter_invalid_enemies"), enemies)
	89	if filteredEnemies.size() > 0:
	90	filteredEnemies.sort_custom(self, "sort_enemies_ascending_distance")
	91	var closest_enemy: Enemy = filteredEnemies[0]
`1d4ba5a6` 2023-11-02 Pavel Safronov	92	closest_enemy.is_targeted = true
`52220002` 2023-11-06 Pavel Safronov	93	$Player.shoot_at(closest_enemy.global_position)
	94	$PlayerToTarget.points[0] = $Player.global_position
	95	$PlayerToTarget.points[1] = closest_enemy.global_position
	96
	97	func _on_Button_pressed() -> void:
	98	get_tree().paused = false
	99	$CanvasLayer/PauseMenu.hide()