591 lines
25 KiB
C#
591 lines
25 KiB
C#
// Copyright HTC Corporation All Rights Reserved.
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.XR.OpenXR;
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using System.Linq;
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namespace VIVE.OpenXR.Passthrough
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{
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public static class PassthroughAPI
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{
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#region LOG
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const string LOG_TAG = "VIVE.OpenXR.Passthrough.PassthroughAPI";
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static void DEBUG(string msg) { Debug.LogFormat("{0} {1}", LOG_TAG, msg); }
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static void WARNING(string msg) { Debug.LogWarningFormat("{0} {1}", LOG_TAG, msg); }
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static void ERROR(string msg) { Debug.LogErrorFormat("{0} {1}", LOG_TAG, msg); }
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#endregion
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private static VivePassthrough passthroughFeature = null;
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private static bool AssertFeature()
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{
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if (passthroughFeature == null) { passthroughFeature = OpenXRSettings.Instance.GetFeature<VivePassthrough>(); }
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if (passthroughFeature) { return true; }
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return false;
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}
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private static Dictionary<XrPassthroughHTC, PassthroughLayer> layersDict = new Dictionary<XrPassthroughHTC, PassthroughLayer>();
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#region Public APIs
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/// <summary>
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/// Creates a fullscreen passthrough.
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/// Passthroughs will be destroyed automatically when the current <see cref="XrSession"/> is destroyed.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="layerType">The <see cref="LayerType"/> specifies whether the passthrough is an overlay or underlay.</param>
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/// <param name="onDestroyPassthroughSessionHandler">A <see cref="VivePassthrough.OnPassthroughSessionDestroyDelegate">delegate</see> will be invoked when the current OpenXR Session is going to be destroyed.</param>
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/// <param name="alpha">The alpha value of the passthrough layer within the range [0, 1] where 1 (Opaque) is default.</param>
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/// <param name="compositionDepth">The composition depth relative to other composition layers if present where 0 is default.</param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static XrResult CreatePlanarPassthrough(out XrPassthroughHTC passthrough, CompositionLayer.LayerType layerType, VivePassthrough.OnPassthroughSessionDestroyDelegate onDestroyPassthroughSessionHandler = null, float alpha = 1f, uint compositionDepth = 0)
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{
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passthrough = 0;
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XrResult res = XrResult.XR_ERROR_RUNTIME_FAILURE;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return res;
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}
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XrPassthroughCreateInfoHTC createInfo = new XrPassthroughCreateInfoHTC(
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XrStructureType.XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC,
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#if UNITY_ANDROID
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IntPtr.Zero,
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#else
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new IntPtr(6), //Enter IntPtr(0) for backward compatibility (using createPassthrough to enable the passthrough feature), or enter IntPtr(6) to enable the passthrough feature based on the layer submitted to endframe.
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#endif
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XrPassthroughFormHTC.XR_PASSTHROUGH_FORM_PLANAR_HTC
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);
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res = XR_HTC_passthrough.xrCreatePassthroughHTC(createInfo, out passthrough);
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if(res == XrResult.XR_SUCCESS)
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{
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PassthroughLayer layer = new PassthroughLayer(passthrough, layerType);
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var xrLayer = PassthroughLayer.MakeEmptyLayer();
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xrLayer.passthrough = passthrough;
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xrLayer.layerFlags = (UInt64)XrCompositionLayerFlagBits.XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT;
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xrLayer.color.alpha = alpha;
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layer.SetLayer(xrLayer);
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layersDict.Add(passthrough, layer);
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}
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if (res == XrResult.XR_SUCCESS)
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{
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SetPassthroughAlpha(passthrough, alpha);
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}
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return res;
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}
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/// <summary>
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/// Creates a projected passthrough (i.e. Passthrough is only partially visible). Visible region of the projected passthrough is determined by the mesh and its transform.
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/// Passthroughs will be destroyed automatically when the current <see cref="XrSession"/> is destroyed.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="layerType">The <see cref="LayerType"/> specifies whether the passthrough is an overlay or underlay.</param>
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/// <param name="vertexBuffer">Positions of the vertices in the mesh.</param>
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/// <param name="indexBuffer">List of triangles represented by indices into the <paramref name="vertexBuffer"/>.</param>
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/// <param name="spaceType">The projected passthrough's <see cref="ProjectedPassthroughSpaceType"/></param>
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/// <param name="meshPosition">Position of the mesh.</param>
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/// <param name="meshOrientation">Orientation of the mesh.</param>
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/// <param name="meshScale">Scale of the mesh.</param>
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/// <param name="onDestroyPassthroughSessionHandler">A <see cref="VivePassthrough.OnPassthroughSessionDestroyDelegate">delegate</see> will be invoked when the current OpenXR Session is going to be destroyed.</param>
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/// <param name="alpha">The alpha value of the passthrough layer within the range [0, 1] where 1 (Opaque) is default.</param>
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/// <param name="compositionDepth">The composition depth relative to other composition layers if present where 0 is default.</param>
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/// <param name="trackingToWorldSpace">Specify whether or not the position and rotation of the mesh transform have to be converted from tracking space to world space.</param>
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/// <param name="convertFromUnityToOpenXR">Specify whether or not the parameters <paramref name="vertexBuffer"/>, <paramref name="indexBuffer"/>, <paramref name="meshPosition"/> and <paramref name="meshOrientation"/> have to be converted to OpenXR coordinate.</param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static XrResult CreateProjectedPassthrough(out XrPassthroughHTC passthrough, CompositionLayer.LayerType layerType,
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[In, Out] Vector3[] vertexBuffer, [In, Out] int[] indexBuffer, //For Mesh
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ProjectedPassthroughSpaceType spaceType, Vector3 meshPosition, Quaternion meshOrientation, Vector3 meshScale, //For Mesh Transform
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VivePassthrough.OnPassthroughSessionDestroyDelegate onDestroyPassthroughSessionHandler = null,
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float alpha = 1f, uint compositionDepth = 0, bool trackingToWorldSpace = true, bool convertFromUnityToOpenXR = true)
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{
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passthrough = 0;
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XrResult res = XrResult.XR_ERROR_RUNTIME_FAILURE;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return res;
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}
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if (vertexBuffer.Length < 3 || indexBuffer.Length % 3 != 0) //Must have at least 3 vertices and complete triangles
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{
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ERROR("Mesh data invalid.");
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return res;
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}
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XrPassthroughCreateInfoHTC createInfo = new XrPassthroughCreateInfoHTC(
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XrStructureType.XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC,
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#if UNITY_ANDROID
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IntPtr.Zero,
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#else
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new IntPtr(6), //Enter IntPtr(0) for backward compatibility (using createPassthrough to enable the passthrough feature), or enter IntPtr(6) to enable the passthrough feature based on the layer submitted to endframe.
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#endif
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XrPassthroughFormHTC.XR_PASSTHROUGH_FORM_PROJECTED_HTC
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);
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res = XR_HTC_passthrough.xrCreatePassthroughHTC(createInfo, out passthrough);
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if (res == XrResult.XR_SUCCESS)
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{
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var layer = new PassthroughLayer(passthrough, layerType);
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var xrLayer = PassthroughLayer.MakeEmptyLayer();
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xrLayer.passthrough = passthrough;
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xrLayer.layerFlags = (UInt64)XrCompositionLayerFlagBits.XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT;
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xrLayer.space = 0;
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xrLayer.color.alpha = alpha;
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layer.SetLayer(xrLayer);
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var xrMesh = PassthroughLayer.MakeMeshTransform();
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xrMesh.time = XR_HTC_passthrough.Interop.GetFrameState().predictedDisplayTime;
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xrMesh.baseSpace = XR_HTC_passthrough.Interop.GetTrackingSpace();
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xrMesh.scale = new XrVector3f(meshScale.x, meshScale.y, meshScale.z);
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layer.SetMeshTransform(xrMesh);
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layersDict.Add(passthrough, layer);
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}
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if (res == XrResult.XR_SUCCESS)
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{
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SetPassthroughAlpha(passthrough, alpha);
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SetProjectedPassthroughMesh(passthrough, vertexBuffer, indexBuffer, convertFromUnityToOpenXR);
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SetProjectedPassthroughMeshTransform(passthrough, spaceType, meshPosition, meshOrientation, meshScale, trackingToWorldSpace, convertFromUnityToOpenXR);
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}
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return res;
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}
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/// <summary>
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/// Creates a projected passthrough (i.e. Passthrough is only partially visible). Visible region of the projected passthrough is determined by the mesh and its transform.
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/// Passthroughs will be destroyed automatically when the current <see cref="XrSession"/> is destroyed.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="layerType">The <see cref="LayerType"/> specifies whether the passthrough is an overlay or underlay.</param>
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/// <param name="onDestroyPassthroughSessionHandler">A <see cref="VivePassthrough.OnPassthroughSessionDestroyDelegate">delegate</see> will be invoked when the current OpenXR Session is going to be destroyed.</param>
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/// <param name="alpha">The alpha value of the passthrough layer within the range [0, 1] where 1 (Opaque) is default.</param>
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/// <param name="compositionDepth">The composition depth relative to other composition layers if present where 0 is default.</param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static XrResult CreateProjectedPassthrough(out XrPassthroughHTC passthrough, CompositionLayer.LayerType layerType, VivePassthrough.OnPassthroughSessionDestroyDelegate onDestroyPassthroughSessionHandler = null, float alpha = 1f, uint compositionDepth = 0)
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{
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passthrough = 0;
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XrResult res = XrResult.XR_ERROR_RUNTIME_FAILURE;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return res;
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}
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XrPassthroughCreateInfoHTC createInfo = new XrPassthroughCreateInfoHTC(
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XrStructureType.XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC,
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#if UNITY_ANDROID
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IntPtr.Zero,
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#else
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new IntPtr(6), //Enter IntPtr(0) for backward compatibility (using createPassthrough to enable the passthrough feature), or enter IntPtr(6) to enable the passthrough feature based on the layer submitted to endframe.
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#endif
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XrPassthroughFormHTC.XR_PASSTHROUGH_FORM_PROJECTED_HTC
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);
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res = XR_HTC_passthrough.xrCreatePassthroughHTC(createInfo, out passthrough);
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if (res == XrResult.XR_SUCCESS)
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{
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var layer = new PassthroughLayer(passthrough, layerType);
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var xrLayer = PassthroughLayer.MakeEmptyLayer();
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xrLayer.passthrough = passthrough;
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xrLayer.layerFlags = (UInt64)XrCompositionLayerFlagBits.XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT;
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xrLayer.color.alpha = alpha;
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layer.SetLayer(xrLayer);
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var xrMesh = PassthroughLayer.MakeMeshTransform();
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layer.SetMeshTransform(xrMesh, true);
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layersDict.Add(passthrough, layer);
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}
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if (res == XrResult.XR_SUCCESS)
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{
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SetPassthroughAlpha(passthrough, alpha);
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}
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return res;
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}
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private static void SubmitLayer()
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{
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passthroughFeature.SubmitLayers(layersDict.Values.ToList());
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}
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/// <summary>
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/// To Destroying a passthrough.
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/// You should call this function when the <see cref="VivePassthrough.OnPassthroughSessionDestroyDelegate">delegate</see> is invoked.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static XrResult DestroyPassthrough(XrPassthroughHTC passthrough)
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{
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XrResult res = XrResult.XR_ERROR_RUNTIME_FAILURE;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return res;
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}
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if (!passthroughFeature.PassthroughList.Contains(passthrough))
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{
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ERROR("Passthrough to be destroyed not found");
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return res;
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}
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if (layersDict.ContainsKey(passthrough))
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{
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XR_HTC_passthrough.xrDestroyPassthroughHTC(passthrough);
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var layer = layersDict[passthrough];
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layer.Dispose();
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layersDict.Remove(passthrough);
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}
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SubmitLayer();
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res = XrResult.XR_SUCCESS;
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return res;
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}
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/// <summary>
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/// Modifies the opacity of a specific passthrough layer.
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/// Can be used for both Planar and Projected passthroughs.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="alpha">The alpha value of the passthrough layer within the range [0, 1] where 1 (Opaque) is default.</param>
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/// <param name="autoClamp">
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/// Specify whether out of range alpha values should be clamped automatically.
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/// When set to true, the function will clamp and apply the alpha value automatically.
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/// When set to false, the function will return false if the alpha is out of range.
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/// Default is true.
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/// </param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static bool SetPassthroughAlpha(XrPassthroughHTC passthrough, float alpha, bool autoClamp = true)
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{
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bool ret = false;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return ret;
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}
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if (layersDict.ContainsKey(passthrough))
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{
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var layer = layersDict[passthrough];
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var xrLayer = layer.GetLayer();
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xrLayer.color.alpha = alpha;
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layer.SetLayer(xrLayer);
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SubmitLayer();
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ret = true;
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}
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else
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ret = false;
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return ret;
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}
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/// <summary>
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/// Modifies the mesh data of a projected passthrough layer.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="vertexBuffer">Positions of the vertices in the mesh.</param>
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/// <param name="indexBuffer">List of triangles represented by indices into the <paramref name="vertexBuffer"/>.</param>
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/// <param name="convertFromUnityToOpenXR">Specify whether or not the parameters <paramref name="vertexBuffer"/>, <paramref name="indexBuffer"/>, <paramref name="meshPosition"/> and <paramref name="meshOrientation"/> have to be converted to OpenXR coordinate.</param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static bool SetProjectedPassthroughMesh(XrPassthroughHTC passthrough, [In, Out] Vector3[] vertexBuffer, [In, Out] int[] indexBuffer, bool convertFromUnityToOpenXR = true)
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{
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bool ret = false;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return ret;
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}
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if (vertexBuffer.Length < 3 || indexBuffer.Length % 3 != 0) //Must have at least 3 vertices and complete triangles
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{
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ERROR("Mesh data invalid.");
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return ret;
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}
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if (layersDict[passthrough] == null)
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{
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ERROR("Passthrough layer not found.");
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return ret;
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}
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var layer = layersDict[passthrough];
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var xrMesh = layer.GetMesh();
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layer.SetMeshData(ref xrMesh, vertexBuffer, indexBuffer, convertFromUnityToOpenXR);
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layer.SetMeshTransform(xrMesh);
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SubmitLayer();
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return true;
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}
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/// <summary>
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/// Modifies the mesh transform of a projected passthrough layer.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="spaceType">The projected passthrough's <see cref="ProjectedPassthroughSpaceType"/></param>
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/// <param name="meshPosition">Position of the mesh.</param>
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/// <param name="meshOrientation">Orientation of the mesh.</param>
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/// <param name="meshScale">Scale of the mesh.</param>
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/// <param name="trackingToWorldSpace">Specify whether or not the position and rotation of the mesh transform have to be converted from tracking space to world space.</param>
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/// <param name="convertFromUnityToOpenXR">Specify whether or not the parameters <paramref name="vertexBuffer"/>, <paramref name="indexBuffer"/>, <paramref name="meshPosition"/> and <paramref name="meshOrientation"/> have to be converted to OpenXR coordinate.</param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static bool SetProjectedPassthroughMeshTransform(XrPassthroughHTC passthrough, ProjectedPassthroughSpaceType spaceType, Vector3 meshPosition, Quaternion meshOrientation, Vector3 meshScale, bool trackingToWorldSpace = true, bool convertFromUnityToOpenXR = true)
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{
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bool ret = false;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return ret;
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}
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Vector3 trackingSpaceMeshPosition = meshPosition;
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Quaternion trackingSpaceMeshRotation = meshOrientation;
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TrackingSpaceOrigin currentTrackingSpaceOrigin = TrackingSpaceOrigin.Instance;
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if (currentTrackingSpaceOrigin != null && trackingToWorldSpace) //Apply origin correction to the mesh pose
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{
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Matrix4x4 trackingSpaceOriginTRS = Matrix4x4.TRS(currentTrackingSpaceOrigin.transform.position, currentTrackingSpaceOrigin.transform.rotation, Vector3.one);
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Matrix4x4 worldSpaceLayerPoseTRS = Matrix4x4.TRS(meshPosition, meshOrientation, Vector3.one);
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Matrix4x4 trackingSpaceLayerPoseTRS = trackingSpaceOriginTRS.inverse * worldSpaceLayerPoseTRS;
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trackingSpaceMeshPosition = trackingSpaceLayerPoseTRS.GetColumn(3); //4th Column of TRS Matrix is the position
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trackingSpaceMeshRotation = Quaternion.LookRotation(trackingSpaceLayerPoseTRS.GetColumn(2), trackingSpaceLayerPoseTRS.GetColumn(1));
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}
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XrPosef meshXrPose;
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meshXrPose.position = OpenXRHelper.ToOpenXRVector(trackingSpaceMeshPosition, convertFromUnityToOpenXR);
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meshXrPose.orientation = OpenXRHelper.ToOpenXRQuaternion(trackingSpaceMeshRotation, convertFromUnityToOpenXR);
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XrVector3f meshXrScale = OpenXRHelper.ToOpenXRVector(meshScale, false);
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if (layersDict[passthrough] == null)
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{
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ERROR("Passthrough layer not found.");
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return ret;
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}
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var layer = layersDict[passthrough];
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var xrMesh = layer.GetMesh();
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xrMesh.pose = meshXrPose;
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xrMesh.scale = meshXrScale;
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xrMesh.time = XR_HTC_passthrough.Interop.GetFrameState().predictedDisplayTime;
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xrMesh.baseSpace = passthroughFeature.GetXrSpaceFromSpaceType(spaceType);
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layer.SetMeshTransform(xrMesh);
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SubmitLayer();
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return true;
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}
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/// <summary>
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/// Modifies layer type and composition depth of a passthrough layer.
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/// </summary>
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/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
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/// <param name="layerType">The <see cref="LayerType"/> specifies whether the passthrough is an overlay or underlay.</param>
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/// <param name="compositionDepth">The composition depth relative to other composition layers if present where 0 is default.</param>
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/// <returns>XR_SUCCESS for success.</returns>
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public static bool SetPassthroughLayerType(XrPassthroughHTC passthrough, CompositionLayer.LayerType layerType, uint compositionDepth = 0)
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{
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bool ret = false;
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if (!AssertFeature())
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{
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ERROR("HTC_Passthrough feature instance not found.");
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return ret;
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|
}
|
|
|
|
if (layersDict[passthrough] == null)
|
|
{
|
|
ERROR("Passthrough layer not found.");
|
|
return ret;
|
|
}
|
|
|
|
var layer = layersDict[passthrough];
|
|
layer.LayerType = layerType;
|
|
layer.Depth = (int)compositionDepth;
|
|
|
|
SubmitLayer();
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Modifies the space of a projected passthrough layer.
|
|
/// </summary>
|
|
/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
|
|
/// <param name="spaceType">The projected passthrough's <see cref="ProjectedPassthroughSpaceType"/></param>
|
|
/// <returns>XR_SUCCESS for success.</returns>
|
|
public static bool SetProjectedPassthroughSpaceType(XrPassthroughHTC passthrough, ProjectedPassthroughSpaceType spaceType)
|
|
{
|
|
bool ret = false;
|
|
|
|
if (!AssertFeature())
|
|
{
|
|
ERROR("HTC_Passthrough feature instance not found.");
|
|
return ret;
|
|
}
|
|
|
|
if (layersDict[passthrough] == null)
|
|
{
|
|
ERROR("Passthrough layer not found.");
|
|
return ret;
|
|
}
|
|
|
|
var layer = layersDict[passthrough];
|
|
var xrMesh = layer.GetMesh();
|
|
xrMesh.baseSpace = passthroughFeature.GetXrSpaceFromSpaceType(spaceType);
|
|
layer.SetMeshTransform(xrMesh);
|
|
SubmitLayer();
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Modifies the mesh position of a projected passthrough layer.
|
|
/// </summary>
|
|
/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
|
|
/// <param name="meshPosition">Position of the mesh.</param>
|
|
/// <param name="trackingToWorldSpace">Specify whether or not the position and rotation of the mesh transform have to be converted from tracking space to world space.</param>
|
|
/// <param name="convertFromUnityToOpenXR">Specify whether or not the parameters <paramref name="vertexBuffer"/>, <paramref name="indexBuffer"/>, <paramref name="meshPosition"/> and <paramref name="meshOrientation"/> have to be converted to OpenXR coordinate.</param>
|
|
/// <returns>XR_SUCCESS for success.</returns>
|
|
public static bool SetProjectedPassthroughMeshPosition(XrPassthroughHTC passthrough, Vector3 meshPosition, bool trackingToWorldSpace = true, bool convertFromUnityToOpenXR = true)
|
|
{
|
|
bool ret = false;
|
|
|
|
if (!AssertFeature())
|
|
{
|
|
ERROR("HTC_Passthrough feature instance not found.");
|
|
return ret;
|
|
}
|
|
|
|
Vector3 trackingSpaceMeshPosition = meshPosition;
|
|
TrackingSpaceOrigin currentTrackingSpaceOrigin = TrackingSpaceOrigin.Instance;
|
|
|
|
if (currentTrackingSpaceOrigin != null && trackingToWorldSpace) //Apply origin correction to the mesh pose
|
|
{
|
|
Matrix4x4 trackingSpaceOriginTRS = Matrix4x4.TRS(currentTrackingSpaceOrigin.transform.position, Quaternion.identity, Vector3.one);
|
|
Matrix4x4 worldSpaceLayerPoseTRS = Matrix4x4.TRS(meshPosition, Quaternion.identity, Vector3.one);
|
|
|
|
Matrix4x4 trackingSpaceLayerPoseTRS = trackingSpaceOriginTRS.inverse * worldSpaceLayerPoseTRS;
|
|
|
|
trackingSpaceMeshPosition = trackingSpaceLayerPoseTRS.GetColumn(3); //4th Column of TRS Matrix is the position
|
|
}
|
|
|
|
if (layersDict[passthrough] == null)
|
|
{
|
|
ERROR("Passthrough layer not found.");
|
|
return ret;
|
|
}
|
|
|
|
var layer = layersDict[passthrough];
|
|
var xrMesh = layer.GetMesh();
|
|
xrMesh.pose.position = OpenXRHelper.ToOpenXRVector(trackingSpaceMeshPosition, convertFromUnityToOpenXR);
|
|
layer.SetMeshTransform(xrMesh);
|
|
SubmitLayer();
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Modifies the mesh orientation of a projected passthrough layer.
|
|
/// </summary>
|
|
/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
|
|
/// <param name="meshOrientation">Orientation of the mesh.</param>
|
|
/// <param name="trackingToWorldSpace">Specify whether or not the position and rotation of the mesh transform have to be converted from tracking space to world space.</param>
|
|
/// <param name="convertFromUnityToOpenXR">Specify whether or not the parameters <paramref name="vertexBuffer"/>, <paramref name="indexBuffer"/>, <paramref name="meshPosition"/> and <paramref name="meshOrientation"/> have to be converted to OpenXR coordinate.</param>
|
|
/// <returns>XR_SUCCESS for success.</returns>
|
|
public static bool SetProjectedPassthroughMeshOrientation(XrPassthroughHTC passthrough, Quaternion meshOrientation, bool trackingToWorldSpace = true, bool convertFromUnityToOpenXR = true)
|
|
{
|
|
bool ret = false;
|
|
|
|
if (!AssertFeature())
|
|
{
|
|
ERROR("HTC_Passthrough feature instance not found.");
|
|
return ret;
|
|
}
|
|
|
|
Quaternion trackingSpaceMeshRotation = meshOrientation;
|
|
TrackingSpaceOrigin currentTrackingSpaceOrigin = TrackingSpaceOrigin.Instance;
|
|
|
|
if (currentTrackingSpaceOrigin != null && trackingToWorldSpace) //Apply origin correction to the mesh pose
|
|
{
|
|
Matrix4x4 trackingSpaceOriginTRS = Matrix4x4.TRS(Vector3.zero, currentTrackingSpaceOrigin.transform.rotation, Vector3.one);
|
|
Matrix4x4 worldSpaceLayerPoseTRS = Matrix4x4.TRS(Vector3.zero, meshOrientation, Vector3.one);
|
|
|
|
Matrix4x4 trackingSpaceLayerPoseTRS = trackingSpaceOriginTRS.inverse * worldSpaceLayerPoseTRS;
|
|
|
|
trackingSpaceMeshRotation = Quaternion.LookRotation(trackingSpaceLayerPoseTRS.GetColumn(2), trackingSpaceLayerPoseTRS.GetColumn(1));
|
|
}
|
|
|
|
if (layersDict[passthrough] == null)
|
|
{
|
|
ERROR("Passthrough layer not found.");
|
|
return ret;
|
|
}
|
|
|
|
var layer = layersDict[passthrough];
|
|
var xrMesh = layer.GetMesh();
|
|
xrMesh.pose.orientation = OpenXRHelper.ToOpenXRQuaternion(trackingSpaceMeshRotation, convertFromUnityToOpenXR);
|
|
layer.SetMeshTransform(xrMesh);
|
|
SubmitLayer();
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Modifies the mesh scale of a passthrough layer.
|
|
/// </summary>
|
|
/// <param name="passthrough">The created <see cref="XrPassthroughHTC"/></param>
|
|
/// <param name="meshScale">Scale of the mesh.</param>
|
|
/// <returns>XR_SUCCESS for success.</returns>
|
|
public static bool SetProjectedPassthroughScale(XrPassthroughHTC passthrough, Vector3 meshScale)
|
|
{
|
|
bool ret = false;
|
|
|
|
if (!AssertFeature())
|
|
{
|
|
ERROR("HTC_Passthrough feature instance not found.");
|
|
return ret;
|
|
}
|
|
|
|
if (layersDict[passthrough] == null)
|
|
{
|
|
ERROR("Passthrough layer not found.");
|
|
return ret;
|
|
}
|
|
|
|
var layer = layersDict[passthrough];
|
|
var xrMesh = layer.GetMesh();
|
|
xrMesh.scale = OpenXRHelper.ToOpenXRVector(meshScale, false);
|
|
layer.SetMeshTransform(xrMesh);
|
|
SubmitLayer();
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// To get the list of IDs of active passthrough layers.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// The a copy of the list of IDs of active passthrough layers.
|
|
/// </returns>
|
|
public static List<XrPassthroughHTC> GetCurrentPassthroughLayerIDs()
|
|
{
|
|
if (!AssertFeature())
|
|
{
|
|
ERROR("HTC_Passthrough feature instance not found.");
|
|
return null;
|
|
}
|
|
|
|
return passthroughFeature.PassthroughList;
|
|
}
|
|
#endregion
|
|
}
|
|
} |