Added HiddedColorPlatform

game/characters/player/player.gd

@@ -4,6 +4,7 @@ extends CharacterBody2D
 
 signal dead
 signal interacted
+signal color_switched(new_color: CollisionSwitcher.ObjectColor)
 
 
 const PICKUP_OFFSET = 16.0
@@ -149,3 +150,7 @@ func _rearrange_pickups() -> void:
 
 func _on_switch_buffer_timer_timeout() -> void:
 	_is_switching_needed = false
+
+
+func _on_collision_switched(new_color: CollisionSwitcher.ObjectColor) -> void:
+	color_switched.emit(new_color)

game/characters/player/player.tscn

@@ -270,4 +270,5 @@ fall_state = NodePath("../FallState")
 fall_left_state = NodePath("../FallLeftState")
 fall_right_state = NodePath("../FallRightState")
 
+[connection signal="switched" from="CollisionSwitcher" to="." method="_on_collision_switched"]
 [connection signal="timeout" from="SwitchBufferTimer" to="." method="_on_switch_buffer_timer_timeout"]

game/collision_switcher.gd

@@ -3,7 +3,13 @@ class_name CollisionSwitcher
 extends Node
 
 
-signal switched
+signal switched(new_color: CollisionSwitcher.ObjectColor)
+
+
+enum ObjectColor {
+	White,
+	Black,
+}
 
 
 enum Collisions {
@@ -85,12 +91,14 @@ func switch_color(switch_time := 0.0) -> void:
 	
 	if is_zero_approx(switch_time):
 		_state = State.Black if _state == State.White else State.White
-		switched.emit()
+		_emit_switch_signal()
 	else:
 		_state = State.TransitionToBlack if _state == State.White else State.TransitionToWhite
 		
 		_intensity_tween = create_tween()
-		_intensity_tween.tween_method(_set_shader_internsity, 0.0, MAX_INTENSITY, switch_time)
+		_intensity_tween.tween_method(_set_shader_internsity, 0.0, MAX_INTENSITY, switch_time) \
+			.set_ease(Tween.EASE_OUT_IN) \
+			.set_trans(Tween.TRANS_SINE)
 		_intensity_tween.finished.connect(_update_state)
 
 
@@ -115,7 +123,7 @@ func _update_state() -> void:
 			_state = State.Black
 		State.TransitionToWhite:
 			_state = State.White
-	switched.emit()
+	_emit_switch_signal()
 
 
 func _apply_color() -> void:
@@ -152,3 +160,15 @@ func _apply_color_to_object(object: CollisionObject2D) -> void:
 func _apply_color_to_material(material: Material) -> void:
 	var is_black := _state == State.Black or _state == State.TransitionToBlack
 	material.set(SHADER_SWITCH_COLORS, is_black)
+
+
+func _emit_switch_signal() -> void:
+	var color : ObjectColor
+	match _state:
+		State.White:
+			color = ObjectColor.White
+		State.Black:
+			color = ObjectColor.Black
+		_:
+			return
+	switched.emit(color)

game/levels/test_level.gd

@@ -10,3 +10,5 @@ func _ready() -> void:
 	$Objects/LeverPlatform.switching.connect($ConnectionCables/ConnectionCablePlatform.toggle)
 	
 	$Objects/LeverMoving.switching.connect($Platforms/SelfMovingPlatform.toggle)
+	
+	$Platforms/HiddenColorPlatform.set_player(player)

game/levels/test_level.tscn

@@ -16,6 +16,7 @@
 [ext_resource type="PackedScene" uid="uid://cudbspmpx6sik" path="res://game/pickups/book_pickup.tscn" id="7_fq0h3"]
 [ext_resource type="PackedScene" uid="uid://dioc4r03dfleq" path="res://game/doors/book_door.tscn" id="8_75eok"]
 [ext_resource type="PackedScene" uid="uid://c4gqqhlew67ay" path="res://game/pickups/circle_key_pickup.tscn" id="8_g1txn"]
+[ext_resource type="PackedScene" uid="uid://bqb2qncny11a" path="res://game/platform/hidden_color_platform.tscn" id="8_lxcjr"]
 [ext_resource type="PackedScene" uid="uid://ciubf1ttwc133" path="res://game/pickups/square_key_pickup.tscn" id="9_yrqjd"]
 [ext_resource type="PackedScene" uid="uid://dqgmfpv2mhdpn" path="res://game/pickups/triangle_key_pickup.tscn" id="10_dea75"]
 [ext_resource type="PackedScene" uid="uid://be3mqeb784shj" path="res://game/objects/informative/movement_action_tip.tscn" id="10_ffor3"]
@@ -85,6 +86,11 @@ platform_width = 104
 position = Vector2(200, -25)
 platform_width = 80
 
+[node name="HiddenColorPlatform" parent="Platforms" parent_id_path=PackedInt32Array(1140671629) index="4" unique_id=1861027364 instance=ExtResource("8_lxcjr")]
+position = Vector2(13, -104)
+collision_layer = 2
+platform_width = 80
+
 [node name="LeverDoor" parent="Doors" parent_id_path=PackedInt32Array(1468144392) index="0" unique_id=1575363350 instance=ExtResource("2_r01v2")]
 position = Vector2(416, -56)
 

game/platform/abstract_color_platform.gd

@@ -3,13 +3,11 @@ class_name AbstractColorPlatform
 extends AbstractPlatform
 
 
-enum PlatformColor {
+@export var initial_color := CollisionSwitcher.ObjectColor.White:
-	White,
+	set(value):
-	Black,
+		initial_color = value
-}
+		if Engine.is_editor_hint() and is_node_ready():
-
+			collision_switcher.switch_color()
-
-@export var initial_color := PlatformColor.White
 
 
 @onready var collision_switcher : CollisionSwitcher = $CollisionSwitcher
@@ -18,5 +16,5 @@ enum PlatformColor {
 func _ready() -> void:
 	super._ready()
 	collision_switcher.add_material(platform_sprite.material)
-	if initial_color == PlatformColor.Black:
+	if initial_color == CollisionSwitcher.ObjectColor.Black:
 		collision_switcher.switch_color()

game/platform/abstract_platform.gd

@@ -9,7 +9,6 @@ const SHADER_PLATFORM_WIDTH = "shader_parameter/platform_width"
 
 const ANIMATION_COLOR_SWITCHING = "color_switching"
 const ANIMATION_HIDING = "hiding"
-const ANIMATION_TIMER = "timer"
 
 const ANIMATION_SELF_MOVING = "self_moving"
 

game/platform/hidden_color_platform.gd

@@ -0,0 +1,23 @@
+@tool
+class_name HiddenColorPlatform
+extends AbstractColorPlatform
+
+
+func _ready() -> void:
+	super._ready()
+	
+	icon_sprite.play(ANIMATION_HIDING)
+	if not Engine.is_editor_hint():
+		if initial_color == CollisionSwitcher.ObjectColor.White:
+			platform_sprite.hide()
+
+
+func set_player(player: Player) -> void:
+	player.color_switched.connect(_on_player_color_switched)
+
+
+func _on_player_color_switched(player_new_color: CollisionSwitcher.ObjectColor) -> void:
+	if player_new_color == initial_color:
+		platform_sprite.hide()
+	else:
+		platform_sprite.show()

game/platform/hidden_color_platform.gd.uid

@@ -0,0 +1 @@
+uid://bmdc7dyijp211

game/platform/hidden_color_platform.tscn

@@ -0,0 +1,49 @@
+[gd_scene format=3 uid="uid://bqb2qncny11a"]
+
+[ext_resource type="PackedScene" uid="uid://wpkj48bqyuy2" path="res://game/platform/abstract_color_platform.tscn" id="1_s638m"]
+[ext_resource type="Shader" uid="uid://lqq1mg6l1qqe" path="res://game/shaders/black_n_white.gdshader" id="2_4acet"]
+[ext_resource type="Script" uid="uid://bmdc7dyijp211" path="res://game/platform/hidden_color_platform.gd" id="2_nlrds"]
+[ext_resource type="Shader" uid="uid://d4hm3vjx1rhsf" path="res://game/shaders/platform.gdshader" id="3_nlrds"]
+[ext_resource type="Texture2D" uid="uid://cpcuokqv8u2xa" path="res://images/level/platform.png" id="4_h5jhn"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_ff5f1"]
+resource_local_to_scene = true
+shader = ExtResource("2_4acet")
+shader_parameter/black_color = Color(0, 0, 0, 1)
+shader_parameter/white_color = Color(1, 1, 1, 1)
+shader_parameter/switch_colors = false
+shader_parameter/threshold = 0.5
+shader_parameter/speed = 1.0
+shader_parameter/intensity = 1.0
+shader_parameter/scale = 5.0
+shader_parameter/seed = 0.0
+shader_parameter/direction = Vector2(1, 1)
+shader_parameter/use_world_pos = false
+
+[sub_resource type="ViewportTexture" id="ViewportTexture_17dby"]
+viewport_path = NodePath("SubViewport")
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_el5k2"]
+resource_local_to_scene = true
+shader = ExtResource("3_nlrds")
+shader_parameter/tile_size = 8.0
+shader_parameter/platform_width = 24.0
+shader_parameter/atlas = ExtResource("4_h5jhn")
+shader_parameter/seed = 0.12241629
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_hm14r"]
+resource_local_to_scene = true
+size = Vector2(16, 7)
+
+[node name="HiddenColorPlatform" unique_id=137546339 instance=ExtResource("1_s638m")]
+script = ExtResource("2_nlrds")
+
+[node name="Sprite2D" parent="." index="0" unique_id=264863796]
+material = SubResource("ShaderMaterial_ff5f1")
+texture = SubResource("ViewportTexture_17dby")
+
+[node name="PlatformRect" parent="SubViewport" parent_id_path=PackedInt32Array(226200089) index="0" unique_id=794315918]
+material = SubResource("ShaderMaterial_el5k2")
+
+[node name="CollisionShape2D" parent="." index="2" unique_id=175449124]
+shape = SubResource("RectangleShape2D_hm14r")

game/platform/touch_color_platform.gd

@@ -3,16 +3,28 @@ class_name TouchColorPlatform
 extends AbstractColorPlatform
 
 
+const INTENSITY = 0.85
+const INTENSITY_SET_TIME = 0.5
+
+
 const SWITCH_TIME = 1.5
 
 
 var _is_body_in := false
 
+var _intensity_tween : Tween
+
 
 @onready var touch_check_collision: CollisionShape2D = $Area2D/CollisionShape2D
 @onready var switch_timer: Timer = $SwitchTimer
 
 
+func _ready() -> void:
+	super._ready()
+	icon_sprite.hide()
+	_reset_intensity()
+
+
 func rebuild_platform() -> void:
 	super.rebuild_platform()
 	touch_check_collision.shape.size.x = platform_width - 4
@@ -22,6 +34,14 @@ func _switch() -> void:
 	collision_switcher.switch_color(SWITCH_TIME)
 
 
+func _reset_intensity() -> void:
+	if _intensity_tween != null and _intensity_tween.is_running():
+		_intensity_tween.kill()
+	_intensity_tween = create_tween()
+	_intensity_tween.tween_property(platform_sprite.material, CollisionSwitcher.SHADER_INTENSITY, \
+		INTENSITY, INTENSITY_SET_TIME)
+
+
 func _on_body_entered(_body: Node2D) -> void:
 	_is_body_in = true
 	_switch()
@@ -31,7 +51,8 @@ func _on_body_exited(_body: Node2D) -> void:
 	_is_body_in = false
 
 
-func _on_collision_switched() -> void:
+func _on_collision_switched(_color: CollisionSwitcher.ObjectColor) -> void:
+	_reset_intensity()
 	if _is_body_in:
 		switch_timer.start()
 

game/platform/touch_color_platform.tscn

@@ -6,7 +6,7 @@
 [ext_resource type="Shader" uid="uid://lqq1mg6l1qqe" path="res://game/shaders/black_n_white.gdshader" id="3_vol56"]
 [ext_resource type="Texture2D" uid="uid://cpcuokqv8u2xa" path="res://images/level/platform.png" id="3_wa58h"]
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_4wo0k"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_wa58h"]
 resource_local_to_scene = true
 shader = ExtResource("3_vol56")
 shader_parameter/black_color = Color(0, 0, 0, 1)
@@ -20,10 +20,10 @@ shader_parameter/seed = 0.0
 shader_parameter/direction = Vector2(1, 1)
 shader_parameter/use_world_pos = false
 
-[sub_resource type="ViewportTexture" id="ViewportTexture_3k57e"]
+[sub_resource type="ViewportTexture" id="ViewportTexture_vol56"]
 viewport_path = NodePath("SubViewport")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_3tasl"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_4wo0k"]
 resource_local_to_scene = true
 shader = ExtResource("2_4n4xw")
 shader_parameter/tile_size = 8.0
@@ -31,7 +31,7 @@ shader_parameter/platform_width = 24.0
 shader_parameter/atlas = ExtResource("3_wa58h")
 shader_parameter/seed = 0.12241629
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_eqoit"]
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_3k57e"]
 resource_local_to_scene = true
 size = Vector2(16, 7)
 
@@ -42,14 +42,14 @@ size = Vector2(12, 1)
 script = ExtResource("2_wa58h")
 
 [node name="Sprite2D" parent="." index="0" unique_id=264863796]
-material = SubResource("ShaderMaterial_4wo0k")
+material = SubResource("ShaderMaterial_wa58h")
-texture = SubResource("ViewportTexture_3k57e")
+texture = SubResource("ViewportTexture_vol56")
 
 [node name="PlatformRect" parent="SubViewport" parent_id_path=PackedInt32Array(226200089) index="0" unique_id=794315918]
-material = SubResource("ShaderMaterial_3tasl")
+material = SubResource("ShaderMaterial_4wo0k")
 
 [node name="CollisionShape2D" parent="." index="2" unique_id=175449124]
-shape = SubResource("RectangleShape2D_eqoit")
+shape = SubResource("RectangleShape2D_3k57e")
 
 [node name="CollisionSwitcher" parent="." index="3" unique_id=542648449 node_paths=PackedStringArray("objects")]
 objects = [NodePath(".."), NodePath("../Area2D")]