fix transition

core/scene_manager/scene_manager.gd

@@ -3,8 +3,9 @@ extends CanvasLayer
 @export var config: SceneConfig
 @onready var color_rect = $ColorRect
 @onready var loading_screen = $LoadingScreen
-@export var transition_duration: float = 1
+@export var transition_duration: float = 3
 const SHADER_PATH := "res://core/transition.gdshader"
+var transaction_material: ShaderMaterial
 
 func _ready() -> void:
 	_build_material()
@@ -14,10 +15,10 @@ func _ready() -> void:
 	color_rect.visible = false
 
 func _build_material() -> void:
-	var mat := ShaderMaterial.new()
+	transaction_material = ShaderMaterial.new()
-	mat.shader = load(SHADER_PATH)
+	transaction_material.shader = load(SHADER_PATH)
 
-	#directional gradient: botto-left-> black; top-right -> white
+	#directional gradient: bottom-left-> black; top-right -> white
 	var g := Gradient.new()
 	g.set_color(0, Color.BLACK)
 	g.set_color(1, Color.WHITE)
@@ -41,24 +42,26 @@ func _build_material() -> void:
 	shape_tex.width = 64
 	shape_tex.height = 64
 
-	mat.set_shader_parameter("base_color", Color.BLACK)
+	transaction_material.set_shader_parameter("base_color", Color.BLACK)
-	mat.set_shader_parameter("gradient_texture", grad_tex)
+	transaction_material.set_shader_parameter("gradient_texture", grad_tex)
-	mat.set_shader_parameter("gradient_fixed", false)
+	transaction_material.set_shader_parameter("gradient_fixed", false)
-	mat.set_shader_parameter("shape_texture", shape_tex)
+	transaction_material.set_shader_parameter("shape_texture", shape_tex)
-	mat.set_shader_parameter("shape_tiling", 16.0)
+	transaction_material.set_shader_parameter("shape_tiling", 16.0)
-	mat.set_shader_parameter("shape_rotation", 0.0)
+	transaction_material.set_shader_parameter("shape_rotation", 0.0)
-	mat.set_shader_parameter("shape_scroll", Vector2.ZERO)
+	transaction_material.set_shader_parameter("shape_scroll", Vector2.ZERO)
-	mat.set_shader_parameter("shape_feathering", 0.05)
+	transaction_material.set_shader_parameter("shape_feathering", 0.05)
-	mat.set_shader_parameter("shape_treshold", 1.0)  # >=1 -> full at the end of the transation
+	transaction_material.set_shader_parameter("shape_treshold", 1.0)  # >=1 -> full at the end of the transation
-	mat.set_shader_parameter("width", 0.5)
+	transaction_material.set_shader_parameter("width", 0.5)
 
-	color_rect.material = mat
+	color_rect.material = transaction_material
 
 func _update_resolution() -> void:
 	var s := get_viewport().get_visible_rect().size
+	if color_rect.material:
 		color_rect.material.set_shader_parameter("node_resolution", s)
 
 func _set_factor(v: float) -> void:
+	if color_rect.material:
 		color_rect.material.set_shader_parameter("factor", v)
 
 func cover(duration := 0.5) -> void:
@@ -73,19 +76,43 @@ func reveal(duration := 0.5) -> void:
 	await t.finished
 	color_rect.visible = false
 
-func change_scene(scene_enum: SceneConfig.SceneName) -> void:	
+func change_scene_with_standard_fade(scene_enum: SceneConfig.SceneName, duration: float = transition_duration, show_loading_label: bool = false) -> void:	
 	if not config or not config.scenes.has(scene_enum):
 		return
 
+	color_rect.material = null
+	color_rect.color = Color(0,0,0)
 	var target_scene: PackedScene = config.scenes[scene_enum]
 
 	color_rect.mouse_filter = Control.MOUSE_FILTER_STOP
+	if show_loading_label:
 		loading_screen.visible = true
 	
-	await cover(transition_duration)
+	await cover(duration)
 	get_tree().change_scene_to_packed(target_scene)
-	await reveal(transition_duration)
+	await reveal(duration)
 
+	if show_loading_label:
+		loading_screen.visible = false
+	color_rect.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	
+func change_scene(scene_enum: SceneConfig.SceneName, duration: float = transition_duration, show_loading_label: bool = false) -> void:	
+	if not config or not config.scenes.has(scene_enum):
+		return
+
+	color_rect.material = transaction_material
+	color_rect.color = Color(0,0,0,0)
+	var target_scene: PackedScene = config.scenes[scene_enum]
+
+	color_rect.mouse_filter = Control.MOUSE_FILTER_STOP
+	if show_loading_label:
+		loading_screen.visible = true
+	
+	await cover(duration)
+	get_tree().change_scene_to_packed(target_scene)
+	await reveal(duration)
+
+	if show_loading_label:
 		loading_screen.visible = false
 	color_rect.mouse_filter = Control.MOUSE_FILTER_IGNORE
 

core/scene_manager/scene_manager.tscn

@@ -20,6 +20,7 @@ mouse_filter = 2
 color = Color(0, 0, 0, 0)
 
 [node name="LoadingScreen" type="Control" parent="." unique_id=1075176512]
+visible = false
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0

core/splash_screen/splash_screen.gd

@@ -1,8 +1,15 @@
 extends Control
-
 @export var main_menu_scene: PackedScene
-@export var display_time: float = 3.0
+@export var display_time: float = 2.0
+@export var fade_in_time: float = 1.0
+@onready var logo: Sprite2D = $ColorRect/JMPLogo
 
 func _ready() -> void:
+	logo.modulate.a = 0.0
+	await get_tree().create_timer(fade_in_time).timeout
+
+	var tween := create_tween()
+	tween.tween_property(logo, "modulate:a", 1.0, fade_in_time).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_OUT)
+
 	await get_tree().create_timer(display_time).timeout
-	SceneManager.change_scene(SceneConfig.SceneName.MAIN_MENU)
+	SceneManager.change_scene_with_standard_fade(SceneConfig.SceneName.MAIN_MENU, 0.5)

core/splash_screen/splash_screen.tscn

@@ -12,7 +12,16 @@ grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("1_elsnp")
 
-[node name="JMPLogo" type="Sprite2D" parent="." unique_id=1244888940]
+[node name="ColorRect" type="ColorRect" parent="." unique_id=1599828641]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 1)
+
+[node name="JMPLogo" type="Sprite2D" parent="ColorRect" unique_id=1244888940]
 position = Vector2(980.99994, 556)
 scale = Vector2(0.37799045, 0.37799042)
 texture = ExtResource("1_jkpgl")