update stores to be reactive

app/addons/godot-xr-tools/hands/model/Hand_Glove_L.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Glove_R.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Glove_low_L.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Glove_low_R.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Nails_L.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Nails_R.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Nails_low_L.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_Nails_low_R.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_low_L.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/Hand_low_R.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/hand_l.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/godot-xr-tools/hands/model/hand_r.gltf.import

@@ -22,6 +22,7 @@ meshes/generate_lods=true
 meshes/create_shadow_meshes=true
 meshes/light_baking=1
 meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
 skins/use_named_skins=true
 animation/import=true
 animation/fps=30
@@ -29,4 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/addons/rdot/Rdot.gd

@@ -4,13 +4,13 @@ static func state(value: Variant, options: Dictionary={}):
 	if value is Dictionary:
 		return store(value)
 
-	return State.new(value, options)
+	return RdotState.new(value, options)
 
 static func store(value: Dictionary):
 	return RdotStore.new(value)
 
 static func computed(computation: Callable, options: Dictionary={}):
-	return Computed.new(computation, options)
+	return RdotComputed.new(computation, options)
 
 ## DIY overloading of
 ## bind(target, prop, value)
@@ -20,7 +20,7 @@ static func bind(target, prop, value, arg1=null, arg2=null):
 	if value is RdotStore:
 		return _bind_store(target, prop, value, arg1, arg2)
 
-	if value is State or value is Computed:
+	if value is RdotState or value is RdotComputed:
 		return _bind_state(target, prop, value, arg1)
 
 	assert(false, "Invalid arguments to bind, value must be a R.State or a RdotStore")
@@ -77,8 +77,8 @@ static func effect(callback: Callable):
 		
 		graph.watcher.unwatch([c])
 
-class State:
+class RdotState:
-	var node: RdotState
+	var node: RdotStateInternal
 	var value = null:
 		get:
 			return do_get()
@@ -86,7 +86,7 @@ class State:
 			do_set(value)
 	
 	func _init(value: Variant, options: Dictionary={}):
-		var ref = RdotState.createSignal(value)
+		var ref = RdotStateInternal.createSignal(value)
 		var node = ref[1]
 		self.node = node
 		node.wrapper = self
@@ -98,7 +98,7 @@ class State:
 				node.equals = equals
 
 	func do_get():
-		return RdotState.signalGetFn.call(self.node)
+		return RdotStateInternal.signalGetFn.call(self.node)
 
 	func do_set(value: Variant):
 		var graph = RdotGraph.getInstance()
@@ -107,10 +107,10 @@ class State:
 
 		var ref = self.node
 
-		RdotState.signalSetFn.call(ref, value)
+		RdotStateInternal.signalSetFn.call(ref, value)
 
-class Computed:
+class RdotComputed:
-	var node: RdotComputed
+	var node: RdotComputedInternal
 	var value = null:
 		get:
 			return do_get()
@@ -118,7 +118,7 @@ class Computed:
 			pass
 	
 	func _init(computation: Callable, options: Dictionary={}):
-		var ref = RdotComputed.createdComputed(computation)
+		var ref = RdotComputedInternal.createdComputed(computation)
 		var node = ref[1]
 		node.consumerAllowSignalWrites = true
 		self.node = node
@@ -131,7 +131,7 @@ class Computed:
 				node.equals = equals
 
 	func do_get():
-		return RdotComputed.computedGet(node)
+		return RdotComputedInternal.computedGet(node)
 
 class Watcher:
 	var node: RdotNode
@@ -145,10 +145,10 @@ class Watcher:
 		node.producerNode = []
 		self.node = node
 	
-	## signals: Array[RState | RComputed]
+	## signals: Array[RdotState | RComputed]
 	func _assertSignals(signals: Array):
 		for s in signals:
-			assert(s is State or s is Computed, "Watcher expects signals to be RState or RComputed")
+			assert(s is RdotState or s is RdotComputed, "Watcher expects signals to be RdotState or RdotComputed")
 
 	func watch(signals:=[]):
 		_assertSignals(signals)

app/addons/rdot/computed.gd

@@ -1,5 +1,5 @@
 extends RdotNode
-class_name RdotComputed
+class_name RdotComputedInternal
 
 enum State {
 	SET = 0,
@@ -14,7 +14,7 @@ var error = null
 var computation := Callable()
 var equal := func(this, a, b): return a == b
 
-static func computedGet(node: RdotComputed) -> Variant:
+static func computedGet(node: RdotComputedInternal) -> Variant:
 	var graph := RdotGraph.getInstance()
 
 	graph.producerUpdateValueVersion(node)
@@ -25,7 +25,7 @@ static func computedGet(node: RdotComputed) -> Variant:
 	return node.value
 
 static func createdComputed(computation: Callable):
-	var node = RdotComputed.new()
+	var node = RdotComputedInternal.new()
 	node.computation = computation
 	
 	var computed = func():

app/addons/rdot/state.gd

@@ -1,11 +1,11 @@
 extends RdotNode
-class_name RdotState
+class_name RdotStateInternal
 
 var equal: Callable = func(this, a, b): a == b
 var value: Variant = null
 
 static func createSignal(initialValue: Variant):
-	var node = RdotState.new()
+	var node = RdotStateInternal.new()
 	node.value = initialValue
 
 	var getter = func():
@@ -20,11 +20,11 @@ static func setPostSignalSetFn(fn: Callable) -> Callable:
 	graph.postSignalSetFn = fn
 	return prev
 
-static func signalGetFn(this: RdotState):
+static func signalGetFn(this: RdotStateInternal):
 	RdotGraph.getInstance().producerAccessed(this)
 	return this.value
 
-static func signalSetFn(node: RdotState, newValue: Variant):
+static func signalSetFn(node: RdotStateInternal, newValue: Variant):
 	var graph := RdotGraph.getInstance()
 
 	assert(graph.producerUpdatesAllowed())
@@ -33,14 +33,14 @@ static func signalSetFn(node: RdotState, newValue: Variant):
 		node.value = newValue
 		signalValueChanged(node)
 
-static func signalUpdateFn(node: RdotState, updater: Callable):
+static func signalUpdateFn(node: RdotStateInternal, updater: Callable):
 	var graph := RdotGraph.getInstance()
 
 	assert(graph.producerUpdatesAllowed())
 
 	signalSetFn(node, updater.call(node.value))
 
-static func signalValueChanged(node: RdotState):
+static func signalValueChanged(node: RdotStateInternal):
 	var graph := RdotGraph.getInstance()
 	
 	node.version += 1

app/addons/rdot/store.gd

@@ -30,7 +30,7 @@ func _set(property, value):
 	return true
 
 func _access_property(property):
-	if (_proxied_value[property] is R.State) == false:
+	if (_proxied_value[property] is R.RdotState) == false:
 		_proxied_value[property] = R.state(_proxied_value[property])
 
 func _get_property_list():

app/assets/models/chat_bubble/chat_bubble-flipped.glb.import

@@ -30,5 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
-gltf/naming_version=1
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/assets/models/chat_bubble/chat_bubble.glb.import

@@ -30,5 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
-gltf/naming_version=1
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/assets/models/sky_dome/scene.gltf.import

@@ -30,5 +30,5 @@ animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
 _subresources={}
-gltf/naming_version=1
+gltf/naming_version=0
 gltf/embedded_image_handling=1

app/assets/models/sky_dome/scene_0.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2941c9ce2676249f899aea64a13012d3b2f52dcf239d5f0c09570f14a4433348
+size 7954301

app/assets/models/sky_dome/scene_0.png.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://d0vi854404eve"
+path.s3tc="res://.godot/imported/scene_0.png-9a0770c34bd6836b2bfe1d70dcace53b.s3tc.ctex"
+path.etc2="res://.godot/imported/scene_0.png-9a0770c34bd6836b2bfe1d70dcace53b.etc2.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc", "etc2_astc"],
+"vram_texture": true
+}
+generator_parameters={}
+
+[deps]
+
+source_file="res://assets/models/sky_dome/scene_0.png"
+dest_files=["res://.godot/imported/scene_0.png-9a0770c34bd6836b2bfe1d70dcace53b.s3tc.ctex", "res://.godot/imported/scene_0.png-9a0770c34bd6836b2bfe1d70dcace53b.etc2.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

app/assets/models/sky_dome/scene_4.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e93ccbdefa9cb54244f602dd3361a296a51c1cf1b4ca69344408b3f81853c6d7
+size 7587197

app/assets/models/sky_dome/scene_4.png.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ds78ylaicfb3u"
+path.s3tc="res://.godot/imported/scene_4.png-a9e7d42c59bc553f60827e5915c54b69.s3tc.ctex"
+path.etc2="res://.godot/imported/scene_4.png-a9e7d42c59bc553f60827e5915c54b69.etc2.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc", "etc2_astc"],
+"vram_texture": true
+}
+generator_parameters={}
+
+[deps]
+
+source_file="res://assets/models/sky_dome/scene_4.png"
+dest_files=["res://.godot/imported/scene_4.png-a9e7d42c59bc553f60827e5915c54b69.s3tc.ctex", "res://.godot/imported/scene_4.png-a9e7d42c59bc553f60827e5915c54b69.etc2.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

app/content/system/house/mini/miniature.gd

@@ -60,7 +60,7 @@ const SensorEntity = preload ("res://content/entities/sensor/sensor.gd")
 
 var active: bool = false
 
-func update_data(delta: float) -> void:
+func update_data(_delta: float) -> void:
 	var data_list = []
 
 	for room in House.body.get_rooms(0):
@@ -80,7 +80,5 @@ func update_data(delta: float) -> void:
 		return data
 	)
 
-	print(data_list)
-
 	wall_material.set_shader_parameter("data", data_list)
 	wall_material.set_shader_parameter("data_size", data_list.size())

app/content/ui/components/tabs/tabs.gd

@@ -3,29 +3,29 @@ class_name Tabs3D
 
 signal on_select(selected: int)
 
-var selected: Node3D:
+var selected = R.state(null)
-	set(value):
-		if selected == value:
-			return
 
-		if selected != null:
-			selected.active = false
-
-		selected = value
-		selected.active = true
-		on_select.emit(selected.get_index())
 @export var initial_selected: Node3D
 
 func _ready():
-	if initial_selected != null:
+	if initial_selected:
-		selected = initial_selected
+		selected.value = initial_selected
+
+	R.effect(func(_arg):
+		on_select.emit(selected.value)
+	)
 
 	for option in get_children():
 		if option is Button3D == false:
 			continue
 
 		option.on_button_down.connect(func():
-			selected=option
+			selected.value=option
+		)
+
+		R.effect(func(_arg):
+			option.active=option == selected.value
+			option.disabled=option == selected.value
 		)
 		
 		option.toggleable = true

app/content/ui/components/tabs/tabs_content.gd

@@ -8,15 +8,14 @@ var children: Array = []
 func _ready():
 	children = get_children()
 
-	for child in children:
+	for i in range(children.size()):
+		var child = children[i]
 		child.visible = true
-		if tabs.selected != null && tabs.selected.get_index() == child.get_index():
-			continue
 		remove_child(child)
 
-	tabs.on_select.connect(func(index):
+		R.effect(func(_arg):
-		for child in get_children():
+			if tabs.selected.value.get_index() == i:
-			remove_child(child)
+				add_child(child)
-
+			else:
-		add_child(children[index])
+				remove_child(child)
-	)
+		)

app/lib/stores/devices.gd

@@ -1,5 +1,8 @@
 extends StoreClass
-const StoreClass = preload("./store.gd")
+const StoreClass = preload ("./store.gd")
+
+func _init():
+	self.state = R.state({})
 
 func clear():
 	pass

app/lib/stores/house.gd

@@ -3,29 +3,31 @@ extends StoreClass
 
 const StoreClass = preload ("./store.gd")
 
-## Type Room
-## 	name: String
-## 	corners: Vec2[]
-## 	height: float
-var rooms = []
-## Type Entity
-##   id: String
-## 	position: Vec3
-## 	rotation: Vec3
-## 	room: String
-var entities = []
-var align_position1: Vector3
-var align_position2: Vector3
-
 func _init():
 	_save_path = "user://house.json"
 
+	self.state = R.store({
+		## Type Room
+		## 	name: String
+		## 	corners: Vec2[]
+		## 	height: float
+		"rooms": [],
+		## Type Entity
+		##   id: String
+		## 	position: Vec3
+		## 	rotation: Vec3
+		## 	room: String
+		"entities": [],
+		"align_position1": Vector3(),
+		"align_position2": Vector3()
+	})
+
 func clear():
-	rooms = []
+	self.state.rooms = []
-	entities = []
+	self.state.entities = []
 
 func get_room(name):
-	for room in rooms:
+	for room in self.state.rooms:
 		if room.name == name:
 			return room
 	return null

app/lib/stores/settings.gd

@@ -3,23 +3,23 @@ extends StoreClass
 
 const StoreClass = preload ("./store.gd")
 
-## The adapter to use for connecting with a backend
-var type: String = "HASS_WS"
-var url: String = ""
-var token: String = ""
-
-## If the voice assistant should be enabled
-var voice_assistant: bool = false
-
-## If the onboarding process has been completed
-var onboarding_complete: bool = false
-
 func _init():
 	_save_path = "user://settings.json"
 
+	self.state = R.store({
+		## The adapter to use for connecting with a backend
+		"type": "HASS_WS",
+		"url": "",
+		"token": "",
+		## If the voice assistant should be enabled
+		"voice_assistant": false,
+		## If the onboarding process has been completed
+		"onboarding_complete": false
+	})
+
 func clear():
-	type = "HASS_WS"
+	self.state.type = "HASS_WS"
-	url = ""
+	self.state.url = ""
-	token = ""
+	self.state.token = ""
-	voice_assistant = false
+	self.state.voice_assistant = false
-	onboarding_complete = false
+	self.state.onboarding_complete = false

app/lib/stores/store.gd

@@ -9,6 +9,7 @@ signal on_loaded
 ## Signal emitted when the data is saved.
 signal on_saved
 
+var state: RdotStore
 var _loaded = false
 var _save_path = null
 
@@ -20,44 +21,42 @@ func is_loaded():
 func clear():
 	pass
 
-func create_dict():
+func sanitizeState(dict=state):
-	var data: Dictionary = {}
+	var data = {}
 
 	for prop_info in get_property_list():
-		if prop_info.name.begins_with("_")||prop_info.hint_string != "":
+		var key = prop_info.name
+
+		if key.begins_with("_")||(prop_info.has("hint_string")&&prop_info.hint_string != ""):
 			continue
 
-		var prop = get(prop_info.name)
+		if dict[key] is Dictionary:
-
+			data[key] = sanitizeState(dict[key])
-		if prop is Store:
-			data[prop_info.name] = prop.create_dict()
 		else:
-			data[prop_info.name] = VariantSerializer.stringify_value(prop)
+			data[key] = VariantSerializer.stringify_value(dict[key])
 
 	return data
 
-func use_dict(dict: Dictionary):
+func use_dict(dict: Dictionary, target=state):
 	for prop_info in get_property_list():
-		if prop_info.name.begins_with("_")||prop_info.hint_string != "":
+		var key = prop_info.name
+
+		if key.begins_with("_")||(prop_info.has("hint_string")&&prop_info.hint_string != ""):
+			continue
+			
+		if dict.has(key) == false:
 			continue
 
-		var prop = get(prop_info.name)
+		if target[key] is Dictionary:
-
+			use_dict(dict[key], target[key])
-		if dict.has(prop_info.name) == false:
-			continue
-
-		var prop_value = dict[prop_info.name]
-
-		if prop is Store:
-			prop.use_dict(prop_value)
 		else:
-			set(prop_info.name, prop_value)
+			target[key] = dict[key]
 
 func save_local(path=_save_path):
 	if path == null:
 		return false
 
-	var data = create_dict()
+	var data = sanitizeState()
 
 	var save_file = FileAccess.open(path, FileAccess.WRITE)
 

app/lib/utils/mesh/construct_room_mesh.gd

@@ -79,7 +79,6 @@ static func generate_wall_mesh_grid(corners, height, grid: Vector2=Vector2(0.1,
 
 			if y == steps.y - 1:
 					close_distance.y = fmod(height, grid.y) / grid.y
-					print(close_distance.y)
 
 			for x in range(0, steps.x):
 				var point = corner + forward_dir * x + Vector3.UP * grid.y * y