137 lines
3.7 KiB
C#
137 lines
3.7 KiB
C#
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* Licensed under the Oculus SDK License Agreement (the "License");
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* you may not use the Oculus SDK except in compliance with the License,
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* which is provided at the time of installation or download, or which
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* otherwise accompanies this software in either electronic or hard copy form.
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*
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* You may obtain a copy of the License at
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*
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* https://developer.oculus.com/licenses/oculussdk/
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*
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* Unless required by applicable law or agreed to in writing, the Oculus SDK
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#nullable enable
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#if USING_XR_MANAGEMENT && (USING_XR_SDK_OCULUS || USING_XR_SDK_OPENXR) && !OVRPLUGIN_UNSUPPORTED_PLATFORM
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#define USING_XR_SDK
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#endif
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using Oculus.Avatar2;
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using UnityEngine;
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public class UICanvasController : MonoBehaviour, IUIControllerInterface
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{
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private const string logScope = "UICanvasController";
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[SerializeField] private Vector3 worldSpaceUIOffset;
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private Camera? _camera;
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private Canvas? _canvas;
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private RenderMode _renderMode = RenderMode.WorldSpace;
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#if USING_XR_SDK
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private readonly UIInputControllerButton _resetCanvasPositionButton = new()
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{
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button = OVRInput.Button.PrimaryThumbstick,
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controller = OVRInput.Controller.RTouch,
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description = "Sets the position of the UI to face user's current view",
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scope = logScope
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};
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#endif
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private const float INITIAL_ADJUST_DELAY = 0.5f;
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private void Awake()
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{
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_canvas = GetComponentInChildren<Canvas>();
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if (_canvas == null)
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{
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OvrAvatarLog.LogError("UICanvasController::Awake : Null Canvas.", logScope);
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return;
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}
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#if UNITY_EDITOR
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_renderMode = OvrAvatarUtility.IsHeadsetActive() ? RenderMode.WorldSpace : RenderMode.ScreenSpaceOverlay;
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#else
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_renderMode = RenderMode.WorldSpace;
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#endif
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_canvas.renderMode = _renderMode;
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// Rotate canvas to face the player in WorldSpace
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if (_renderMode == RenderMode.WorldSpace)
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{
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_canvas.transform.Rotate(Vector3.up, 180);
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}
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}
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private void Start()
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{
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if (Camera.main == null)
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{
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return;
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}
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_camera = Camera.main;
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StartCoroutine(DelayedAdjustCanvas());
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}
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private IEnumerator DelayedAdjustCanvas()
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{
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yield return new WaitForSeconds(INITIAL_ADJUST_DELAY);
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AdjustCanvasPosition();
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}
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private void AdjustCanvasPosition()
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{
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if (_camera == null)
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{
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if (Camera.main == null)
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{
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return;
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}
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_camera = Camera.main;
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}
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if (_renderMode == RenderMode.WorldSpace)
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{
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var camPos = _camera.transform.position;
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transform.position = camPos + worldSpaceUIOffset.magnitude * _camera.transform.forward;
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transform.LookAt(camPos);
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}
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}
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private void Update()
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{
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if (_renderMode != RenderMode.WorldSpace)
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{
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return;
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}
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#if USING_XR_SDK
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if (OVRInput.GetUp(_resetCanvasPositionButton.button, _resetCanvasPositionButton.controller))
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{
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AdjustCanvasPosition();
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}
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#endif
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}
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#if USING_XR_SDK
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public List<UIInputControllerButton> GetControlSchema()
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{
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var buttons = new List<UIInputControllerButton>
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{
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_resetCanvasPositionButton,
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};
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return buttons;
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}
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#endif
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}
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