添加进入下一关的按钮

levels/base_level/base_level.gd

@@ -5,6 +5,7 @@ const Block := preload("res://objects/block/block.tscn")
 const CardBase := preload("res://objects/card_base/card_base.tscn")
 const LevelMenu := preload("res://levels/chapter_menu/level_menu/level_menu.tscn")
 const TableCloth := preload("res://objects/table_cloth/table_cloth.tscn")
+const BaseLevel := preload("res://levels/base_level/base_level.tscn")
 const HEIGHT := 1080 / 4
 const WIDTH := 1920 / 4
 const SEP := 28
@@ -146,7 +147,7 @@ func stage_clear() -> void:
 	for card_base: CardBase in $CardBases.get_children():
 		card_base.call("start_fade")
 	$HUDs/TableCloth/GoldenCloth.set_visible(true)
-
+	$HUDs/NextLevelButton.start_fade()
 
 
 func _on_card_put() -> void:
@@ -187,3 +188,15 @@ func _on_back_button_pressed():
 	level_menu.init(chap_id, -1)
 	get_tree().root.add_child(level_menu)
 	queue_free()
+
+
+func _on_next_level_button_pressed():
+	var base_level := BaseLevel.instantiate()
+
+	if lvl_id == len(DATA[chap_id]) - 1:
+		base_level.init(chap_id + 1, 0)
+	else:
+		base_level.init(chap_id, lvl_id + 1)
+	get_tree().root.add_child(base_level)
+	queue_free()
+

levels/base_level/base_level.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=7 format=3 uid="uid://cother2aiigge"]
+[gd_scene load_steps=8 format=3 uid="uid://cother2aiigge"]
 
 [ext_resource type="Script" path="res://levels/base_level/base_level.gd" id="1_diojb"]
 [ext_resource type="PackedScene" uid="uid://xom5kpqs1rue" path="res://objects/calculator/calculator.tscn" id="1_tpuy7"]
 [ext_resource type="PackedScene" uid="uid://bepyyenjtc0p3" path="res://levels/chapter_menu/level_menu/level_button/level_button.tscn" id="2_0egdl"]
+[ext_resource type="PackedScene" uid="uid://d1mp3ld6wsrwo" path="res://levels/base_level/next_level_button/next_level_button.tscn" id="2_0363i"]
 [ext_resource type="AudioStream" uid="uid://cjhl2qr4mau8g" path="res://levels/base_level/level_clear.wav" id="3_ou3kh"]
 [ext_resource type="FontFile" uid="uid://1000owdyvwfg" path="res://fonts/unifont-15.1.04.otf" id="3_q0kqv"]
 [ext_resource type="AudioStream" uid="uid://c6rflw11edxrt" path="res://levels/base_level/wrong_answer.wav" id="4_yxsxp"]
@@ -12,6 +13,8 @@ script = ExtResource("1_diojb")
 
 [node name="HUDs" type="Node" parent="."]
 
+[node name="NextLevelButton" parent="HUDs" instance=ExtResource("2_0363i")]
+
 [node name="BackButton" parent="HUDs" instance=ExtResource("2_0egdl")]
 
 [node name="Title" type="Label" parent="HUDs"]
@@ -41,4 +44,5 @@ volume_db = -26.29
 stream = ExtResource("4_yxsxp")
 volume_db = 1.0
 
+[connection signal="pressed" from="HUDs/NextLevelButton" to="." method="_on_next_level_button_pressed"]
 [connection signal="pressed" from="HUDs/BackButton" to="." method="_on_back_button_pressed"]

levels/base_level/next_level_button/next_level_button.gd

@@ -0,0 +1,22 @@
+extends Button
+
+
+const WIDTH := 1920 / 4
+const HEIGHT := 1080 / 4
+
+
+var fade_flag := false
+
+
+func start_fade():
+	fade_flag = true
+	$FadeTimer.start()
+
+func _ready():
+	position = Vector2(WIDTH / 2 - 20, HEIGHT + 80)
+	$Word.set_word(">")
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	if fade_flag:
+		position.y = HEIGHT + 50    - 120 * (1 - pow($FadeTimer.time_left / $FadeTimer.wait_time, 1.5))

levels/base_level/next_level_button/next_level_button.tscn

@@ -0,0 +1,11 @@
+[gd_scene load_steps=3 format=3 uid="uid://d1mp3ld6wsrwo"]
+
+[ext_resource type="PackedScene" uid="uid://bepyyenjtc0p3" path="res://levels/chapter_menu/level_menu/level_button/level_button.tscn" id="1_sa21d"]
+[ext_resource type="Script" path="res://levels/base_level/next_level_button/next_level_button.gd" id="2_yogj1"]
+
+[node name="NextLevelButton" instance=ExtResource("1_sa21d")]
+script = ExtResource("2_yogj1")
+
+[node name="FadeTimer" type="Timer" parent="." index="2"]
+wait_time = 0.3
+one_shot = true