Create main menu.

assets/ui/startscreen.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/startscreen.png-d7a6273392897ce5197005cc2ccf9315.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/startscreen.png"
+dest_files=[ "res://.import/startscreen.png-d7a6273392897ce5197005cc2ccf9315.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=false
+svg/scale=1.0

project.godot

@@ -21,7 +21,7 @@ _global_script_class_icons={
 [application]
 
 config/name="Coloroid"
-run/main_scene="res://scenes/levels/main.tscn"
+run/main_scene="res://scenes/main_menu.tscn"
 config/icon="res://icon.png"
 
 [autoload]

scenes/main_menu.gd

@@ -0,0 +1,13 @@
+extends Node2D
+
+func _ready():
+    music.play(music.BACKGROUND)
+
+func _input(event):
+    if Input.is_action_just_pressed("jump"):
+        var transition = get_tree().get_nodes_in_group("transition")[0]
+        transition.connect("fade_complete", self, "_load_main_level")
+        transition.begin_fade()
+
+func _load_main_level():
+    get_tree().change_scene("res://scenes/levels/main.tscn")

scenes/main_menu.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://scenes/transition.tscn" type="PackedScene" id=1]
+[ext_resource path="res://assets/ui/startscreen.png" type="Texture" id=2]
+[ext_resource path="res://scenes/main_menu.gd" type="Script" id=3]
+
+[node name="main_menu" type="Node2D"]
+script = ExtResource( 3 )
+
+[node name="CanvasLayer" type="CanvasLayer" parent="."]
+
+[node name="Startscreen" type="Sprite" parent="CanvasLayer"]
+position = Vector2( 160, 90 )
+texture = ExtResource( 2 )
+
+[node name="transition" parent="." instance=ExtResource( 1 )]