Add fb-scene-sample project (#173)

demo/export_presets.cfg

@@ -139,6 +139,7 @@ permissions/mount_format_filesystems=false
 permissions/mount_unmount_filesystems=false
 permissions/nfc=false
 permissions/persistent_activity=false
+permissions/post_notifications=false
 permissions/process_outgoing_calls=false
 permissions/read_calendar=false
 permissions/read_call_log=false
@@ -207,7 +208,7 @@ permissions/write_user_dictionary=false
 xr_features/enable_meta_plugin=true
 meta_xr_features/hand_tracking=1
 meta_xr_features/hand_tracking_frequency=1
-meta_xr_features/passthrough=1
+meta_xr_features/passthrough=0
 xr_features/enable_pico_plugin=false
 xr_features/enable_lynx_plugin=false
 xr_features/enable_khronos_plugin=false
@@ -216,11 +217,15 @@ meta_xr_features/quest_1_support=false
 meta_xr_features/quest_2_support=true
 meta_xr_features/quest_3_support=true
 meta_xr_features/quest_pro_support=true
-meta_xr_features/use_anchor_api=true
+meta_xr_features/use_anchor_api=false
 meta_xr_features/face_tracking=1
 meta_xr_features/render_model=1
-meta_xr_features/use_scene_api=true
+meta_xr_features/use_scene_api=false
 meta_xr_features/use_overlay_keyboard=false
 meta_xr_features/use_experimental_features=false
 meta_xr_features/boundary_mode=0
 meta_xr_features/body_tracking=1
+khronos_xr_features/htc/hand_tracking=0
+khronos_xr_features/htc/tracker=0
+khronos_xr_features/htc/eye_tracking=0
+khronos_xr_features/htc/lip_expression=0

demo/main.gd

@@ -3,25 +3,15 @@ extends Node3D
 var xr_interface: XRInterface = null
 var hand_tracking_source: Array[OpenXRInterface.HandTrackedSource]
 var passthrough_enabled: bool = false
-var selected_spatial_anchor_node: Node3D = null
 
 @onready var left_hand: XRController3D = $XROrigin3D/LeftHand
 @onready var right_hand: XRController3D = $XROrigin3D/RightHand
 @onready var left_hand_mesh: MeshInstance3D = $XROrigin3D/LeftHand/LeftHandMesh
 @onready var right_hand_mesh: MeshInstance3D = $XROrigin3D/RightHand/RightHandMesh
 @onready var left_controller_model: OpenXRFbRenderModel = $XROrigin3D/LeftHand/LeftControllerFbRenderModel
 @onready var right_controller_model: OpenXRFbRenderModel = $XROrigin3D/RightHand/RightControllerFbRenderModel
-@onready var left_hand_pointer: XRController3D = $XROrigin3D/LeftHandPointer
-@onready var left_hand_pointer_raycast: RayCast3D = $XROrigin3D/LeftHandPointer/RayCast3D
-@onready var scene_pointer_mesh: MeshInstance3D = $XROrigin3D/LeftHandPointer/ScenePointerMesh
-@onready var scene_colliding_mesh: MeshInstance3D = $XROrigin3D/LeftHandPointer/SceneCollidingMesh
 @onready var floor_mesh: MeshInstance3D = $Floor
 @onready var world_environment: WorldEnvironment = $WorldEnvironment
-@onready var scene_manager: OpenXRFbSceneManager = $XROrigin3D/OpenXRFbSceneManager
-@onready var spatial_anchor_manager: OpenXRFbSpatialAnchorManager = $XROrigin3D/OpenXRFbSpatialAnchorManager
-
-const SPATIAL_ANCHORS_FILE = "user://openxr_fb_spatial_anchors.json"
-const SpatialAnchor = preload("res://spatial_anchor.tscn")
 
 const COLORS = [
 	"#FF0000", # Red
@@ -38,7 +28,6 @@ const COLORS = [
 func _ready():
 	xr_interface = XRServer.find_interface("OpenXR")
 	if xr_interface and xr_interface.initialize():
-		xr_interface.session_begun.connect(self.load_spatial_anchors_from_file)
 		xr_interface.session_stopping.connect(self._on_session_stopping)
 		var vp: Viewport = get_viewport()
 		vp.use_xr = true
@@ -57,86 +46,6 @@ func _on_session_stopping() -> void:
 		get_tree().quit()
 
 
-func load_spatial_anchors_from_file() -> void:
-	var file := FileAccess.open(SPATIAL_ANCHORS_FILE, FileAccess.READ)
-	if not file:
-		print ("no file")
-		return
-
-	var json := JSON.new()
-	if json.parse(file.get_as_text()) != OK:
-		print("ERROR: Unable to parse ", SPATIAL_ANCHORS_FILE)
-		return
-
-	if not json.data is Dictionary:
-		print("ERROR: ", SPATIAL_ANCHORS_FILE, " contains invalid data")
-		return
-
-	var anchor_data: Dictionary = json.data
-	if anchor_data.size() > 0:
-		spatial_anchor_manager.load_anchors(anchor_data.keys(), anchor_data, OpenXRFbSpatialEntity.STORAGE_LOCAL, true)
-
-
-func save_spatial_anchors_to_file() -> void:
-	var file := FileAccess.open(SPATIAL_ANCHORS_FILE, FileAccess.WRITE)
-	if not file:
-		print("ERROR: Unable to open file for writing: ", SPATIAL_ANCHORS_FILE)
-		return
-
-	var anchor_data := {}
-	for uuid in spatial_anchor_manager.get_anchor_uuids():
-		var entity: OpenXRFbSpatialEntity = spatial_anchor_manager.get_spatial_entity(uuid)
-		anchor_data[uuid] = entity.custom_data
-
-	file.store_string(JSON.stringify(anchor_data))
-	file.close()
-
-
-func _on_spatial_anchor_tracked(_anchor_node: XRAnchor3D, _spatial_entity: OpenXRFbSpatialEntity, is_new: bool) -> void:
-	if is_new:
-		save_spatial_anchors_to_file()
-
-
-func _on_spatial_anchor_untracked(_anchor_node: XRAnchor3D, _spatial_entity: OpenXRFbSpatialEntity) -> void:
-	save_spatial_anchors_to_file()
-
-
-func enable_passthrough(enable: bool) -> void:
-	if passthrough_enabled == enable:
-		return
-
-	var supported_blend_modes = xr_interface.get_supported_environment_blend_modes()
-	print("Supported blend modes: ", supported_blend_modes)
-	if XRInterface.XR_ENV_BLEND_MODE_ALPHA_BLEND in supported_blend_modes and XRInterface.XR_ENV_BLEND_MODE_OPAQUE in supported_blend_modes:
-		print("Passthrough supported.")
-		if enable:
-			# Switch to passthrough.
-			xr_interface.environment_blend_mode = XRInterface.XR_ENV_BLEND_MODE_ALPHA_BLEND
-			get_viewport().transparent_bg = true
-			world_environment.environment.background_mode = Environment.BG_COLOR
-			world_environment.environment.background_color = Color(0.0, 0.0, 0.0, 0.0)
-			floor_mesh.visible = false
-			scene_manager.visible = true
-			spatial_anchor_manager.visible = true
-			left_hand_pointer.visible = true
-			left_hand_pointer_raycast.enabled = true
-			if not scene_manager.are_scene_anchors_created():
-				scene_manager.create_scene_anchors()
-		else:
-			# Switch back to VR.
-			xr_interface.environment_blend_mode = XRInterface.XR_ENV_BLEND_MODE_OPAQUE
-			get_viewport().transparent_bg = false
-			world_environment.environment.background_mode = Environment.BG_SKY
-			floor_mesh.visible = true
-			scene_manager.visible = false
-			spatial_anchor_manager.visible = false
-			left_hand_pointer.visible = false
-			left_hand_pointer_raycast.enabled = false
-		passthrough_enabled = enable
-	else:
-		print("Switching to/from passthrough not supported.")
-
-
 func _physics_process(_delta: float) -> void:
 	for hand in OpenXRInterface.HAND_MAX:
 		var source = xr_interface.get_hand_tracking_source(hand)
@@ -163,86 +72,10 @@ func _physics_process(_delta: float) -> void:
 
 		hand_tracking_source[hand] = source
 
-	if left_hand_pointer.visible:
-		var previous_selected_spatial_anchor_node = selected_spatial_anchor_node
-
-		if left_hand_pointer_raycast.is_colliding():
-			var collision_point: Vector3 = left_hand_pointer_raycast.get_collision_point()
-			scene_colliding_mesh.global_position = collision_point
-
-			var pointer_length: float = (collision_point - left_hand_pointer.global_position).length()
-			scene_pointer_mesh.mesh.size.z = pointer_length
-			scene_pointer_mesh.position.z = -pointer_length / 2.0
-
-			var collider: CollisionObject3D = left_hand_pointer_raycast.get_collider()
-			if collider and collider.get_collision_layer_value(3):
-				selected_spatial_anchor_node = collider
-			else:
-				selected_spatial_anchor_node = null
-		else:
-			scene_pointer_mesh.mesh.size.z = 5
-			scene_pointer_mesh.position.z = -2.5
-			selected_spatial_anchor_node = null
-
-		if previous_selected_spatial_anchor_node != selected_spatial_anchor_node:
-			if previous_selected_spatial_anchor_node:
-				previous_selected_spatial_anchor_node.set_selected(false)
-			if selected_spatial_anchor_node:
-				selected_spatial_anchor_node.set_selected(true)
-				scene_colliding_mesh.visible = false
-			else:
-				scene_colliding_mesh.visible = true
-
-
-func _on_left_hand_button_pressed(name):
-	if name == "menu_button":
-		print("Triggering scene capture")
-		scene_manager.request_scene_capture()
-
-	elif name == "trigger_click" and left_hand_pointer.visible:
-		if left_hand_pointer_raycast.is_colliding():
-			if selected_spatial_anchor_node:
-				var anchor_parent = selected_spatial_anchor_node.get_parent()
-				if anchor_parent is XRAnchor3D:
-					spatial_anchor_manager.untrack_anchor(anchor_parent.tracker)
-			else:
-				var anchor_transform := Transform3D()
-				anchor_transform.origin = left_hand_pointer_raycast.get_collision_point()
-
-				var collision_normal: Vector3 = left_hand_pointer_raycast.get_collision_normal()
-				if collision_normal.is_equal_approx(Vector3.UP):
-					anchor_transform.basis = anchor_transform.basis.rotated(Vector3(1.0, 0.0, 0.0), PI / 2.0)
-				elif collision_normal.is_equal_approx(Vector3.DOWN):
-					anchor_transform.basis = anchor_transform.basis.rotated(Vector3(1.0, 0.0, 0.0), -PI / 2.0)
-				else:
-					anchor_transform.basis = Basis.looking_at(left_hand_pointer_raycast.get_collision_normal())
-
-				print ("Attempting to create spatial anchor at: ", anchor_transform)
-				spatial_anchor_manager.create_anchor(anchor_transform, { color = COLORS[randi() % COLORS.size()] })
-
-
-func _on_right_hand_button_pressed(name: String) -> void:
-	match name:
-		"by_button":
-			enable_passthrough(not passthrough_enabled)
-
 
 func _on_left_controller_fb_render_model_render_model_loaded() -> void:
 	left_hand_mesh.hide()
 
+
 func _on_right_controller_fb_render_model_render_model_loaded() -> void:
 	right_hand_mesh.hide()
-
-func _on_scene_manager_scene_capture_completed(success: bool) -> void:
-	print("Scene Capture Complete: ", success)
-	if success:
-		# Recreate scene anchors since the user may have changed them.
-		if scene_manager.are_scene_anchors_created():
-			scene_manager.remove_scene_anchors()
-			scene_manager.create_scene_anchors()
-
-		# Switch to passthrough.
-		enable_passthrough(true)
-
-func _on_scene_manager_scene_data_missing() -> void:
-	scene_manager.request_scene_capture()

demo/main.tscn

@@ -1,12 +1,9 @@
-[gd_scene load_steps=21 format=3 uid="uid://cqsodpswgup8w"]
+[gd_scene load_steps=16 format=3 uid="uid://cqsodpswgup8w"]
 
 [ext_resource type="Script" path="res://main.gd" id="1_fsva1"]
 [ext_resource type="PackedScene" uid="uid://c0uv4eu2yjm3b" path="res://viewport_2d_in_3d.tscn" id="2_7whgo"]
 [ext_resource type="PackedScene" uid="uid://d4b4rllli6tqp" path="res://tablet_content.tscn" id="3_45w5g"]
-[ext_resource type="PackedScene" uid="uid://bcjp8kcgde4cs" path="res://scene_anchor.tscn" id="4_3u3ah"]
 [ext_resource type="PackedScene" uid="uid://cay8oh2ll7yxi" path="res://assets/test_kun/Test-Kun.fbx" id="4_b317s"]
-[ext_resource type="PackedScene" uid="uid://bwo5nq0clfe3c" path="res://scene_global_mesh.tscn" id="5_7ikgf"]
-[ext_resource type="PackedScene" uid="uid://dsfd7xrm6o50p" path="res://spatial_anchor.tscn" id="5_g7mio"]
 [ext_resource type="Material" uid="uid://bdwh0vc86hsdb" path="res://assets/hand_silhouette_outline_mat.tres" id="7_tpkib"]
 
 [sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_0x6cv"]
@@ -41,13 +38,6 @@ size = Vector3(0.1, 0.1, 0.1)
 radius = 0.025
 height = 0.05
 
-[sub_resource type="BoxMesh" id="BoxMesh_d27jm"]
-size = Vector3(0.01, 0.01, 5)
-
-[sub_resource type="SphereMesh" id="SphereMesh_kdpqm"]
-radius = 0.01
-height = 0.02
-
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_k604q"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_mjcgt"]
@@ -112,24 +102,6 @@ tracker = &"/user/eyes_ext"
 transform = Transform3D(1, 0, 0, 0, -0.0133513, 0.999911, 0, -0.999911, -0.0133513, 0, 0, -1.18886)
 mesh = SubResource("SphereMesh_5gcab")
 
-[node name="LeftHandPointer" type="XRController3D" parent="XROrigin3D"]
-visible = false
-tracker = &"left_hand"
-pose = &"aim"
-
-[node name="ScenePointerMesh" type="MeshInstance3D" parent="XROrigin3D/LeftHandPointer"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -2.5)
-mesh = SubResource("BoxMesh_d27jm")
-
-[node name="SceneCollidingMesh" type="MeshInstance3D" parent="XROrigin3D/LeftHandPointer"]
-mesh = SubResource("SphereMesh_kdpqm")
-
-[node name="RayCast3D" type="RayCast3D" parent="XROrigin3D/LeftHandPointer"]
-enabled = false
-target_position = Vector3(0, 0, -10)
-collision_mask = 6
-collide_with_areas = true
-
 [node name="LeftHandTracker" type="XRNode3D" parent="XROrigin3D"]
 tracker = &"/user/hand_tracker/left"
 
@@ -174,16 +146,6 @@ bones/25/name = "RightLittleTip"
 [node name="RightXRHandModifier3D" type="XRHandModifier3D" parent="XROrigin3D/RightHandTracker/RightHandModel"]
 hand_tracker = &"/user/hand_tracker/right"
 
-[node name="OpenXRFbSceneManager" type="OpenXRFbSceneManager" parent="XROrigin3D"]
-default_scene = ExtResource("4_3u3ah")
-auto_create = false
-visible = false
-scenes/global_mesh = ExtResource("5_7ikgf")
-
-[node name="OpenXRFbSpatialAnchorManager" type="OpenXRFbSpatialAnchorManager" parent="XROrigin3D"]
-scene = ExtResource("5_g7mio")
-visible = false
-
 [node name="Floor" type="MeshInstance3D" parent="."]
 mesh = SubResource("PlaneMesh_mjcgt")
 
@@ -203,13 +165,7 @@ bone_update = 1
 [node name="XRFaceModifier3D" type="XRFaceModifier3D" parent="Floor/AvatarOffset/Avatar"]
 target = NodePath("../Test-Kun/Armature/GeneralSkeleton/Body")
 
-[connection signal="button_pressed" from="XROrigin3D/LeftHand" to="." method="_on_left_hand_button_pressed"]
 [connection signal="openxr_fb_render_model_loaded" from="XROrigin3D/LeftHand/LeftControllerFbRenderModel" to="." method="_on_left_controller_fb_render_model_render_model_loaded"]
-[connection signal="button_pressed" from="XROrigin3D/RightHand" to="." method="_on_right_hand_button_pressed"]
 [connection signal="openxr_fb_render_model_loaded" from="XROrigin3D/RightHand/RightControllerFbRenderModel" to="." method="_on_right_controller_fb_render_model_render_model_loaded"]
-[connection signal="openxr_fb_scene_capture_completed" from="XROrigin3D/OpenXRFbSceneManager" to="." method="_on_scene_manager_scene_capture_completed"]
-[connection signal="openxr_fb_scene_data_missing" from="XROrigin3D/OpenXRFbSceneManager" to="." method="_on_scene_manager_scene_data_missing"]
-[connection signal="openxr_fb_spatial_anchor_tracked" from="XROrigin3D/OpenXRFbSpatialAnchorManager" to="." method="_on_spatial_anchor_tracked"]
-[connection signal="openxr_fb_spatial_anchor_untracked" from="XROrigin3D/OpenXRFbSpatialAnchorManager" to="." method="_on_spatial_anchor_untracked"]
 
 [editable path="Floor/AvatarOffset/Avatar/Test-Kun"]

samples/fb-scene-sample/assets/cross-grid-material.tres

@@ -0,0 +1,8 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://c2552u4qmlssh"]
+
+[ext_resource type="Texture2D" uid="uid://d0or78w3b0xev" path="res://assets/cross-grid.png" id="1_8nicf"]
+
+[resource]
+transparency = 1
+shading_mode = 0
+albedo_texture = ExtResource("1_8nicf")