添加动态背景

bg/dynamic_bg/dynamic_bg.gd

@@ -0,0 +1,46 @@
+extends Node2D
+
+
+const DynamicBgPattern = preload("res://bg/dynamic_bg/dynamic_bg_pattern/dynamic_bg_pattern.tscn")
+
+
+const WIDTH = 1920 / 4
+const HEIGHT = 1080 / 4
+
+const W_STEP := 60
+const H_STEP := 6
+
+var VELOCITY = 30 * Vector2.from_angle(-atan(2))
+
+func spawn(x_offset, y_offset):
+	var pat_x = -WIDTH + x_offset
+	var pat_y = HEIGHT + y_offset
+
+	while pat_x < WIDTH + 50:
+		var new_pattern = DynamicBgPattern.instantiate()
+
+		new_pattern.position = Vector2(pat_x, pat_y)
+		new_pattern.velocity = VELOCITY
+		add_child(new_pattern)
+
+		pat_x += W_STEP
+		pat_y += H_STEP
+
+
+func _ready():
+	var x_offset = 0
+	var y_offset = 0
+	while HEIGHT + y_offset + (WIDTH / W_STEP) * H_STEP > -50:
+		spawn(x_offset, y_offset)
+		x_offset += $Timer.wait_time * VELOCITY.x
+		x_offset -= int(x_offset / W_STEP) * W_STEP
+		y_offset += $Timer.wait_time * VELOCITY.y
+		print(y_offset)
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+
+func _on_timer_timeout():
+	spawn(0, 0)

bg/dynamic_bg/dynamic_bg.tscn

@@ -0,0 +1,13 @@
+[gd_scene load_steps=2 format=3 uid="uid://d3geq38s5fjc6"]
+
+[ext_resource type="Script" path="res://bg/dynamic_bg/dynamic_bg.gd" id="1_g3cph"]
+
+[node name="DynamicBg" type="Node2D"]
+z_index = -4096
+script = ExtResource("1_g3cph")
+
+[node name="Timer" type="Timer" parent="."]
+wait_time = 2.0
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]

bg/dynamic_bg/dynamic_bg_pattern/dynamic_bg_pattern.gd

@@ -0,0 +1,14 @@
+extends Node2D
+
+
+var velocity : Vector2
+
+
+func _ready():
+	$Word1.set_word("=*"[randi_range(0, 1)])
+	$Word2.set_word("DPb"[randi_range(0, 2)])
+
+func _process(delta):
+	position += velocity * delta
+	if position.x > 1920 / 4 + 70 or position.y < -70:
+		queue_free()

bg/dynamic_bg/dynamic_bg_pattern/dynamic_bg_pattern.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=3 uid="uid://dkm7ljv01kwma"]
+
+[ext_resource type="Script" path="res://bg/dynamic_bg/dynamic_bg_pattern/dynamic_bg_pattern.gd" id="1_hrrmh"]
+[ext_resource type="PackedScene" uid="uid://cvx7wowcbfo0r" path="res://objects/word/word.tscn" id="2_7jm3n"]
+
+[node name="DynamicBgPattern" type="Node2D"]
+modulate = Color(1, 1, 1, 0.12549)
+script = ExtResource("1_hrrmh")
+
+[node name="Word1" parent="." instance=ExtResource("2_7jm3n")]
+position = Vector2(-6, 0)
+
+[node name="Word2" parent="." instance=ExtResource("2_7jm3n")]
+position = Vector2(6, 0)

levels/base_level/base_level.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=15 format=3 uid="uid://cother2aiigge"]
+[gd_scene load_steps=16 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"]
@@ -94,7 +94,7 @@ centered = false
 
 [node name="LevelClear" type="AudioStreamPlayer2D" parent="SFXs"]
 stream = ExtResource("3_ou3kh")
-volume_db = -26.29
+volume_db = -5.0
 
 [node name="WrongAnswer" type="AudioStreamPlayer2D" parent="SFXs"]
 stream = ExtResource("4_yxsxp")

main.tscn

@@ -1,7 +1,12 @@
-[gd_scene load_steps=2 format=3 uid="uid://c17fbsiogbgo1"]
+[gd_scene load_steps=3 format=3 uid="uid://c17fbsiogbgo1"]
 
 [ext_resource type="PackedScene" uid="uid://c07co5p46apu7" path="res://objects/main_menu/main_menu.tscn" id="1_fk6j6"]
+[ext_resource type="PackedScene" uid="uid://d3geq38s5fjc6" path="res://bg/dynamic_bg/dynamic_bg.tscn" id="2_8k4il"]
 
 [node name="Main" type="Node"]
 
 [node name="MainMenu" parent="." instance=ExtResource("1_fk6j6")]
+
+[node name="Bg" type="Node" parent="."]
+
+[node name="DynamicBg" parent="Bg" instance=ExtResource("2_8k4il")]