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Merge pull request #1212 from BastiaanOlij/mobile_vr_interface_demo
Simple demo for Mobile VR Interface
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‎xr/mobile_vr_interface_demo/.editorconfig

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root = true
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[*]
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charset = utf-8

‎xr/mobile_vr_interface_demo/README.md

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# Mobile VR interfae demo
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This is a really simple demo that shows how the mobile VR interface can be enabled.
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This is a great little project to test stereo rendering on desktop without needing XR hardware.
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When used on mobile devices simple 3DOF headtracking can be tested.
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Language: GDScript
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Renderer: Compatibility, Mobile, Forward+
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Check out this demo on the asset library: https://godotengine.org/asset-library/asset/0000
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## How does it work?
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This sample shows the simplest form for enabling and testing an XR application.
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It uses the build in Mobile VR Interface.
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There is simple left/right/up/down movement on desktop.
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## Shortcomings
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Note that currently lens distortion in the mobile VR interface is **not** supported in the compatibility renderer.
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## Screenshots
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![Screenshot](screenshots/mobile_vr_interface_demo.png)

‎xr/mobile_vr_interface_demo/icon.svg

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‎xr/mobile_vr_interface_demo/icon.svg.import

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[remap]
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importer="texture"
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type="CompressedTexture2D"
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uid="uid://w0uxqbioh10s"
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path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
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metadata={
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"vram_texture": false
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}
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[deps]
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source_file="res://icon.svg"
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dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
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[params]
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compress/mode=0
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compress/high_quality=false
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compress/lossy_quality=0.7
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compress/rdo_quality_loss=0.0
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compress/hdr_compression=1
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mipmaps/generate=false
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mipmaps/limit=-1
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process/channel_remap/green=1
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process/channel_remap/blue=2
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process/channel_remap/alpha=3
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process/fix_alpha_border=true
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process/premult_alpha=false
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process/normal_map_invert_y=false
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process/hdr_as_srgb=false
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process/hdr_clamp_exposure=false
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process/size_limit=0
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detect_3d/compress_to=1
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svg/scale=1.0
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editor/scale_with_editor_scale=false
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editor/convert_colors_with_editor_theme=false

‎xr/mobile_vr_interface_demo/main.gd

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extends Node3D
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var xr_interface : MobileVRInterface
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# Called when the node enters the scene tree for the first time.
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func _ready():
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xr_interface = XRServer.find_interface("Native mobile")
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if xr_interface and xr_interface.initialize():
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# Disable lens distortion.
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# xr_interface.k1 = 0.0
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# xr_interface.k2 = 0.0
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# setup viewport
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var vp = get_viewport()
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vp.use_xr = true
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vp.vrs_mode = Viewport.VRS_XR
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else:
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# How did we get here?
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get_tree().quit()
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func _process(delta):
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var dir : Vector2 = Vector2()
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if Input.is_action_pressed("ui_left"):
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dir.x = -1.0
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elif Input.is_action_pressed("ui_right"):
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dir.x = 1.0
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if Input.is_action_pressed("ui_up"):
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dir.y = -1.0
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elif Input.is_action_pressed("ui_down"):
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dir.y = 1.0
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$XROrigin3D.global_position += $XROrigin3D.global_transform.basis.x * dir.x * delta
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$XROrigin3D.global_position += $XROrigin3D.global_transform.basis.z * dir.y * delta

‎xr/mobile_vr_interface_demo/main.gd.uid

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uid://c1jgdguonfwbw

‎xr/mobile_vr_interface_demo/main.tscn

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[gd_scene load_steps=11 format=3 uid="uid://bvdovvya3m7sx"]
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[ext_resource type="Script" uid="uid://c1jgdguonfwbw" path="res://main.gd" id="1_1u602"]
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[ext_resource type="Texture2D" uid="uid://br4k6sn2rvgj" path="res://pattern.png" id="2_imhd6"]
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[ext_resource type="PackedScene" uid="uid://8m50ra15rpq1" path="res://wall.tscn" id="4_fdaxx"]
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[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_beswd"]
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sky_horizon_color = Color(0.64625, 0.65575, 0.67075, 1)
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ground_horizon_color = Color(0.64625, 0.65575, 0.67075, 1)
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[sub_resource type="Sky" id="Sky_uvncs"]
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sky_material = SubResource("ProceduralSkyMaterial_beswd")
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[sub_resource type="Environment" id="Environment_rgp66"]
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background_mode = 2
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sky = SubResource("Sky_uvncs")
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glow_enabled = true
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glow_intensity = 1.22
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volumetric_fog_density = 0.001
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_0wgu4"]
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albedo_color = Color(3.3691526e-07, 0.7481091, 0.1272395, 1)
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albedo_texture = ExtResource("2_imhd6")
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uv1_scale = Vector3(5, 5, 5)
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[sub_resource type="PlaneMesh" id="PlaneMesh_y2phs"]
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material = SubResource("StandardMaterial3D_0wgu4")
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size = Vector2(25, 25)
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_a1cqg"]
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albedo_color = Color(0.713726, 0.545098, 0.780392, 1)
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albedo_texture = ExtResource("2_imhd6")
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uv1_scale = Vector3(8, 2, 1)
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[sub_resource type="BoxMesh" id="BoxMesh_1vrbc"]
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material = SubResource("StandardMaterial3D_a1cqg")
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size = Vector3(4, 3, 1)
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[node name="Main" type="Node3D"]
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script = ExtResource("1_1u602")
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[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
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transform = Transform3D(-0.86602384, -0.43301564, 0.2500005, 0, 0.49999815, 0.8660265, -0.50000286, 0.7499995, -0.4330103, 0, 0, 0)
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shadow_enabled = true
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[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
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environment = SubResource("Environment_rgp66")
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[node name="XROrigin3D" type="XROrigin3D" parent="."]
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[node name="XRCamera3D" type="XRCamera3D" parent="XROrigin3D"]
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transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, 0)
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[node name="Floor" type="MeshInstance3D" parent="."]
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mesh = SubResource("PlaneMesh_y2phs")
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[node name="Wall01" type="MeshInstance3D" parent="."]
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transform = Transform3D(0.968213, -0.250127, 0, 0.250127, 0.968213, 0, 0, 0, 1, 0, 0.82946, -6.87257)
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mesh = SubResource("BoxMesh_1vrbc")
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[node name="Wall02" type="MeshInstance3D" parent="."]
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transform = Transform3D(0.674941, 0.180131, 0.715546, -0.257858, 0.966183, 0, -0.691348, -0.184509, 0.698565, -3.04544, 0.82946, -5.53616)
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mesh = SubResource("BoxMesh_1vrbc")
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[node name="Wall03" parent="." instance=ExtResource("4_fdaxx")]
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transform = Transform3D(0.90396, 0.0774667, -0.154893, 0.403151, -0.275157, 0.248304, -0.142568, -0.286902, -0.279961, -3.26749, 3.93987, -7.24752)
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[node name="Wall04" type="MeshInstance3D" parent="."]
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transform = Transform3D(0.491527, 0, -0.870862, 0, 2.43615, 0, 0.870862, 0, 0.491527, 2.68331, 2.52217, -4.7792)
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mesh = SubResource("BoxMesh_1vrbc")
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[node name="Wall05" parent="." instance=ExtResource("4_fdaxx")]
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transform = Transform3D(0.941075, 0.0774667, 0.112959, -0.0781437, -0.275157, 0.295486, 0.329045, -0.286902, -0.25289, 2.33372, 3.46393, -10.7686)

‎xr/mobile_vr_interface_demo/pattern.png

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‎xr/mobile_vr_interface_demo/pattern.png.import

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metadata={
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"imported_formats": ["s3tc_bptc"],
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[deps]
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source_file="res://pattern.png"
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dest_files=["res://.godot/imported/pattern.png-888ea151ee9fa7a079d3252596260765.s3tc.ctex"]
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[params]
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compress/high_quality=false
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compress/lossy_quality=0.7
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compress/uastc_level=0
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compress/rdo_quality_loss=0.0
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compress/hdr_compression=1
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compress/normal_map=0
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compress/channel_pack=0
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mipmaps/generate=true
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mipmaps/limit=-1
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roughness/mode=0
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roughness/src_normal=""
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process/channel_remap/red=0
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process/channel_remap/green=1
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process/channel_remap/blue=2
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process/channel_remap/alpha=3
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process/fix_alpha_border=true
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process/premult_alpha=false
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process/normal_map_invert_y=false
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process/hdr_as_srgb=false
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process/hdr_clamp_exposure=false
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process/size_limit=0
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detect_3d/compress_to=0

‎xr/mobile_vr_interface_demo/project.godot

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; Engine configuration file.
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; It's best edited using the editor UI and not directly,
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; since the parameters that go here are not all obvious.
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;
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; Format:
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; [section] ; section goes between []
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; param=value ; assign values to parameters
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config_version=5
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[application]
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config/name="Test Stereo"
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run/main_scene="res://main.tscn"
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config/features=PackedStringArray("4.5", "Forward Plus")
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config/icon="res://icon.svg"
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run/main_scene.mobile="res://main_mobile.tscn"
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[rendering]
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renderer/rendering_method="gl_compatibility"
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renderer/rendering_method.mobile="gl_compatibility"
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[xr]
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openxr/foveation_level=3
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openxr/foveation_dynamic=true
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shaders/enabled=true

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