From 243198b83e051eaffe0fc5ce156aef9c4e891fb7 Mon Sep 17 00:00:00 2001
From: siyahas <siyahas@noreply.localhost>
Date: Sun, 17 Nov 2024 18:02:23 +0300
Subject: [PATCH] 4.15 Scrolling Background

---
 scenes/background.tscn | 17 +++++++++++++++++
 scenes/level.tscn      |  5 ++++-
 scripts/background.gd  | 24 ++++++++++++++++++++++++
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 scenes/background.tscn
 create mode 100644 scripts/background.gd

diff --git a/scenes/background.tscn b/scenes/background.tscn
new file mode 100644
index 0000000..3d9154e
--- /dev/null
+++ b/scenes/background.tscn
@@ -0,0 +1,17 @@
+[gd_scene load_steps=3 format=3 uid="uid://condfnt5uowdc"]
+
+[ext_resource type="Texture2D" uid="uid://bgdtrj7v0db2s" path="res://assets/textures/bg/Blue.png" id="1_388x7"]
+[ext_resource type="Script" path="res://scripts/background.gd" id="1_f3g6g"]
+
+[node name="Background" type="ParallaxBackground"]
+script = ExtResource("1_f3g6g")
+
+[node name="ParallaxLayer" type="ParallaxLayer" parent="."]
+motion_mirroring = Vector2(640, 640)
+
+[node name="Sprite2D" type="Sprite2D" parent="ParallaxLayer"]
+texture_repeat = 2
+texture = ExtResource("1_388x7")
+centered = false
+region_enabled = true
+region_rect = Rect2(0, 0, 640, 640)
diff --git a/scenes/level.tscn b/scenes/level.tscn
index 9b96a8e..f38ff5a 100644
--- a/scenes/level.tscn
+++ b/scenes/level.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=10 format=3 uid="uid://cchf5vmjp6ahj"]
+[gd_scene load_steps=11 format=3 uid="uid://cchf5vmjp6ahj"]
 
 [ext_resource type="Script" path="res://scripts/level.gd" id="1_84g5v"]
 [ext_resource type="PackedScene" uid="uid://c7y3ileam1twx" path="res://scenes/player.tscn" id="2_d65cs"]
@@ -6,6 +6,7 @@
 [ext_resource type="PackedScene" uid="uid://cnt3xr237kdqs" path="res://scenes/saw_trap.tscn" id="4_f5456"]
 [ext_resource type="PackedScene" uid="uid://cxfl4ogd53fb3" path="res://scenes/spike_ball_trap.tscn" id="5_8oo66"]
 [ext_resource type="PackedScene" uid="uid://c72cqu6ot5fc2" path="res://scenes/tile_map.tscn" id="6_8qvnr"]
+[ext_resource type="PackedScene" uid="uid://condfnt5uowdc" path="res://scenes/background.tscn" id="7_fogjy"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_iyldn"]
 size = Vector2(947, 20)
@@ -59,4 +60,6 @@ position = Vector2(199, 69)
 [node name="TileMapLayer" parent="." instance=ExtResource("6_8qvnr")]
 position = Vector2(160, 162)
 
+[node name="Background" parent="." instance=ExtResource("7_fogjy")]
+
 [connection signal="body_entered" from="Deathzone" to="." method="_on_death_zone_body_entered"]
diff --git a/scripts/background.gd b/scripts/background.gd
new file mode 100644
index 0000000..f94b220
--- /dev/null
+++ b/scripts/background.gd
@@ -0,0 +1,24 @@
+extends ParallaxBackground
+
+@export var bg_texture: CompressedTexture2D
+@export var scroll_speed: float = 15
+
+@onready var sprite_2d: Sprite2D = $ParallaxLayer/Sprite2D
+# alternative implementation of scrolling effect using tween
+var tween: Tween
+
+func _ready() -> void:
+  tween = create_tween().set_loops()
+  tween.tween_property(sprite_2d, "region_rect:position", Vector2(64,64), 64.0/scroll_speed)
+  tween.tween_property(sprite_2d, "region_rect:position", Vector2.ZERO, 0)
+
+
+
+
+
+## Animate sprite region using scroll_speed to give motion effect
+#func _process(delta: float) -> void:
+  #sprite_2d.region_rect.position += delta * Vector2(scroll_speed, scroll_speed)
+  #if sprite_2d.region_rect.position >= Vector2(64,64):
+    #sprite_2d.region_rect.position = Vector2.ZERO
+  #pass