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How to use _getMojoFromViewerWithOffset method in wpt

Best JavaScript code snippet using wpt

webxr-test.js

Source:webxr-test.js

...630          downDegrees: 50.099,631          leftDegrees: 50.899,632          rightDegrees: 35.197633        },634        mojoFromView: this._getMojoFromViewerWithOffset(composeGFXTransform({635          position: [-0.032, 0, 0],636          orientation: [0, 0, 0, 1]637        })),638        viewport: { x: 0, y: 0, width: viewport_size, height: viewport_size }639      },640      {641        eye: vrMojom.XREye.kRight,642        fieldOfView: {643          upDegrees: 48.316,644          downDegrees: 50.099,645          leftDegrees: 50.899,646          rightDegrees: 35.197647        },648        mojoFromView: this._getMojoFromViewerWithOffset(composeGFXTransform({649          position: [0.032, 0, 0],650          orientation: [0, 0, 0, 1]651        })),652        viewport: { x: viewport_size, y: 0, width: viewport_size, height: viewport_size }653      }]654    };655  }656  // This function converts between the matrix provided by the WebXR test API657  // and the internal data representation.658  _getView(fakeXRViewInit, xOffset) {659    let fov = null;660    if (fakeXRViewInit.fieldOfView) {661      fov = {662        upDegrees: fakeXRViewInit.fieldOfView.upDegrees,663        downDegrees: fakeXRViewInit.fieldOfView.downDegrees,664        leftDegrees: fakeXRViewInit.fieldOfView.leftDegrees,665        rightDegrees: fakeXRViewInit.fieldOfView.rightDegrees666      };667    } else {668      const m = fakeXRViewInit.projectionMatrix;669      function toDegrees(tan) {670        return Math.atan(tan) * 180 / Math.PI;671      }672      const leftTan = (1 - m[8]) / m[0];673      const rightTan = (1 + m[8]) / m[0];674      const upTan = (1 + m[9]) / m[5];675      const downTan = (1 - m[9]) / m[5];676      fov = {677        upDegrees: toDegrees(upTan),678        downDegrees: toDegrees(downTan),679        leftDegrees: toDegrees(leftTan),680        rightDegrees: toDegrees(rightTan)681      };682    }683    let viewEye = vrMojom.XREye.kNone;684    // The eye passed in corresponds to the values in the WebXR spec, which are685    // the strings "none", "left", and "right". They should be converted to the686    // corresponding values of XREye in vr_service.mojom.687    switch(fakeXRViewInit.eye) {688      case "none":689        viewEye = vrMojom.XREye.kNone;690        break;691      case "left":692        viewEye = vrMojom.XREye.kLeft;693        break;694      case "right":695        viewEye = vrMojom.XREye.kRight;696        break;697    }698    return {699      eye: viewEye,700      fieldOfView: fov,701      mojoFromView: this._getMojoFromViewerWithOffset(composeGFXTransform(fakeXRViewInit.viewOffset)),702      viewport: {703        x: xOffset,704        y: 0,705        width: fakeXRViewInit.resolution.width,706        height: fakeXRViewInit.resolution.height707      },708      isFirstPersonObserver: fakeXRViewInit.isFirstPersonObserver ? true : false,709      viewOffset: composeGFXTransform(fakeXRViewInit.viewOffset)710    };711  }712  _setFeatures(supportedFeatures) {713    function convertFeatureToMojom(feature) {714      if (feature in MockRuntime._featureToMojoMap) {715        return MockRuntime._featureToMojoMap[feature];716      } else {717        return vrMojom.XRSessionFeature.INVALID;718      }719    }720    this.supportedFeatures_ = [];721    for (let i = 0; i < supportedFeatures.length; i++) {722      const feature = convertFeatureToMojom(supportedFeatures[i]);723      if (feature !== vrMojom.XRSessionFeature.INVALID) {724        this.supportedFeatures_.push(feature);725      }726    }727  }728  // These methods are intended to be used by MockXRInputSource only.729  _addInputSource(source) {730    if (!this.input_sources_.has(source.source_id_)) {731      this.input_sources_.set(source.source_id_, source);732    }733  }734  _removeInputSource(source) {735    this.input_sources_.delete(source.source_id_);736  }737  // These methods are intended to be used by FakeXRAnchorController only.738  _deleteAnchorController(controllerId) {739    this.anchor_controllers_.delete(controllerId);740  }741  // Extension point for non-standard modules.742  _injectAdditionalFrameData(options, frameData) {743  }744  // Mojo function implementations.745  // XRFrameDataProvider implementation.746  getFrameData(options) {747    return new Promise((resolve) => {748      const populatePose = () => {749        const mojo_space_reset = this.send_mojo_space_reset_;750        this.send_mojo_space_reset_ = false;751        if (this.pose_) {752          this.pose_.poseIndex++;753        }754        // Setting the input_state to null tests a slightly different path than755        // the browser tests where if the last input source is removed, the device756        // code always sends up an empty array, but it's also valid mojom to send757        // up a null array.758        let input_state = null;759        if (this.input_sources_.size > 0) {760          input_state = [];761          for (const input_source of this.input_sources_.values()) {762            input_state.push(input_source._getInputSourceState());763          }764        }765        let frame_views = this.primaryViews_;766        for (let i = 0; i < this.primaryViews_.length; i++) {767          this.primaryViews_[i].mojoFromView =768            this._getMojoFromViewerWithOffset(this.primaryViews_[i].viewOffset);769        }770        if (this.enabledFeatures_.includes(vrMojom.XRSessionFeature.SECONDARY_VIEWS)) {771          for (let i = 0; i < this.secondaryViews_.length; i++) {772            this.secondaryViews_[i].mojoFromView =773              this._getMojoFromViewerWithOffset(this.secondaryViews_[i].viewOffset);774          }775          frame_views = frame_views.concat(this.secondaryViews_);776        }777        const frameData = {778          mojoFromViewer: this.pose_,779          views: frame_views,780          mojoSpaceReset: mojo_space_reset,781          inputState: input_state,782          timeDelta: {783            // window.performance.now() is in milliseconds, so convert to microseconds.784            microseconds: BigInt(Math.floor(window.performance.now() * 1000)),785          },786          frameId: this.next_frame_id_,787          bufferHolder: null,788          bufferSize: {},789          renderingTimeRatio: 0,790          stageParameters: this.stageParameters_,791          stageParametersId: this.stageParametersId_,792          lightEstimationData: this.light_estimate_793        };794        this.next_frame_id_++;795        this._calculateHitTestResults(frameData);796        this._calculateAnchorInformation(frameData);797        this._calculateDepthInformation(frameData);798        this._injectAdditionalFrameData(options, frameData);799        resolve({frameData});800      };801      if(this.sessionOptions_.mode == vrMojom.XRSessionMode.kInline) {802        // Inline sessions should not have a delay introduced since it causes them803        // to miss a vsync blink-side and delays propagation of changes that happened804        // within a rAFcb by one frame (e.g. setViewerOrigin() calls would take 2 frames805        // to propagate).806        populatePose();807      } else {808        // For immerive sessions, add additional delay to allow for anchor creation809        // promises to run.810        setTimeout(populatePose, 3);  // note: according to MDN, the timeout is not exact811      }812    });813  }814  getEnvironmentIntegrationProvider(environmentProviderRequest) {815    if (this.environmentProviderReceiver_) {816      this.environmentProviderReceiver_.$.close();817    }818    this.environmentProviderReceiver_ =819        new vrMojom.XREnvironmentIntegrationProviderReceiver(this);820    this.environmentProviderReceiver_.$.bindHandle(821        environmentProviderRequest.handle);822  }823  setInputSourceButtonListener(listener) { listener.$.close(); }824  // XREnvironmentIntegrationProvider implementation:825  subscribeToHitTest(nativeOriginInformation, entityTypes, ray) {826    if (!this.supportedModes_.includes(vrMojom.XRSessionMode.kImmersiveAr)) {827      // Reject outside of AR.828      return Promise.resolve({829        result : vrMojom.SubscribeToHitTestResult.FAILURE_GENERIC,830        subscriptionId : 0n831      });832    }833    if (!this._nativeOriginKnown(nativeOriginInformation)) {834      return Promise.resolve({835        result : vrMojom.SubscribeToHitTestResult.FAILURE_GENERIC,836        subscriptionId : 0n837      });838    }839    // Reserve the id for hit test source:840    const id = this.next_hit_test_id_++;841    const hitTestParameters = { isTransient: false, profileName: null };842    const controller = new FakeXRHitTestSourceController(id);843    return this._shouldHitTestSourceCreationSucceed(hitTestParameters, controller)844      .then((succeeded) => {845        if(succeeded) {846          // Store the subscription information as-is (including controller):847          this.hitTestSubscriptions_.set(id, { nativeOriginInformation, entityTypes, ray, controller });848          return Promise.resolve({849            result : vrMojom.SubscribeToHitTestResult.SUCCESS,850            subscriptionId : id851          });852        } else {853          return Promise.resolve({854            result : vrMojom.SubscribeToHitTestResult.FAILURE_GENERIC,855            subscriptionId : 0n856          });857        }858      });859  }860  subscribeToHitTestForTransientInput(profileName, entityTypes, ray){861    if (!this.supportedModes_.includes(vrMojom.XRSessionMode.kImmersiveAr)) {862      // Reject outside of AR.863      return Promise.resolve({864        result : vrMojom.SubscribeToHitTestResult.FAILURE_GENERIC,865        subscriptionId : 0n866      });867    }868    const id = this.next_hit_test_id_++;869    const hitTestParameters = { isTransient: true, profileName: profileName };870    const controller = new FakeXRHitTestSourceController(id);871    // Check if we have hit test source creation callback.872    // If yes, ask it if the hit test source creation should succeed.873    // If no, for back-compat, assume the hit test source creation succeeded.874    return this._shouldHitTestSourceCreationSucceed(hitTestParameters, controller)875      .then((succeeded) => {876        if(succeeded) {877          // Store the subscription information as-is (including controller):878          this.transientHitTestSubscriptions_.set(id, { profileName, entityTypes, ray, controller });879          return Promise.resolve({880            result : vrMojom.SubscribeToHitTestResult.SUCCESS,881            subscriptionId : id882          });883        } else {884          return Promise.resolve({885            result : vrMojom.SubscribeToHitTestResult.FAILURE_GENERIC,886            subscriptionId : 0n887          });888        }889      });890  }891  unsubscribeFromHitTest(subscriptionId) {892    let controller = null;893    if(this.transientHitTestSubscriptions_.has(subscriptionId)){894      controller = this.transientHitTestSubscriptions_.get(subscriptionId).controller;895      this.transientHitTestSubscriptions_.delete(subscriptionId);896    } else if(this.hitTestSubscriptions_.has(subscriptionId)){897      controller = this.hitTestSubscriptions_.get(subscriptionId).controller;898      this.hitTestSubscriptions_.delete(subscriptionId);899    }900    if(controller) {901      controller.deleted = true;902    }903  }904  createAnchor(nativeOriginInformation, nativeOriginFromAnchor) {905    return new Promise((resolve) => {906      if(this.anchor_creation_callback_ == null) {907        resolve({908          result : vrMojom.CreateAnchorResult.FAILURE,909          anchorId : 0n910        });911        return;912      }913      const mojoFromNativeOrigin = this._getMojoFromNativeOrigin(nativeOriginInformation);914      if(mojoFromNativeOrigin == null) {915        resolve({916          result : vrMojom.CreateAnchorResult.FAILURE,917          anchorId : 0n918        });919        return;920      }921      const mojoFromAnchor = XRMathHelper.mul4x4(mojoFromNativeOrigin, nativeOriginFromAnchor);922      const anchorCreationParameters = {923        requestedAnchorOrigin: mojoFromAnchor,924        isAttachedToEntity: false,925      };926      const anchorController = new FakeXRAnchorController();927      this.anchor_creation_callback_(anchorCreationParameters, anchorController)928            .then((result) => {929              if(result) {930                // If the test allowed the anchor creation,931                // store the anchor controller & return success.932                const anchor_id = this.next_anchor_id_;933                this.next_anchor_id_++;934                this.anchor_controllers_.set(anchor_id, anchorController);935                anchorController.device = this;936                anchorController.id = anchor_id;937                resolve({938                  result : vrMojom.CreateAnchorResult.SUCCESS,939                  anchorId : anchor_id940                });941              } else {942                // The test has rejected anchor creation.943                resolve({944                  result : vrMojom.CreateAnchorResult.FAILURE,945                  anchorId : 0n946                });947              }948            })949            .catch(() => {950              // The test threw an error, treat anchor creation as failed.951              resolve({952                result : vrMojom.CreateAnchorResult.FAILURE,953                anchorId : 0n954              });955            });956    });957  }958  createPlaneAnchor(planeFromAnchor, planeId) {959    return new Promise((resolve) => {960      // Not supported yet.961      resolve({962        result : vrMojom.CreateAnchorResult.FAILURE,963        anchorId : 0n,964      });965    });966  }967  detachAnchor(anchorId) {}968  // Utility function969  _requestRuntimeSession(sessionOptions) {970    return this._runtimeSupportsSession(sessionOptions).then((result) => {971      // The JavaScript bindings convert c_style_names to camelCase names.972      const options = {973        transportMethod:974            vrMojom.XRPresentationTransportMethod.SUBMIT_AS_MAILBOX_HOLDER,975        waitForTransferNotification: true,976        waitForRenderNotification: true,977        waitForGpuFence: false,978      };979      let submit_frame_sink;980      if (result.supportsSession) {981        submit_frame_sink = {982          clientReceiver: this.presentation_provider_._getClientReceiver(),983          provider: this.presentation_provider_._bindProvider(sessionOptions),984          transportOptions: options985        };986        const dataProviderPtr = new vrMojom.XRFrameDataProviderRemote();987        this.dataProviderReceiver_ =988            new vrMojom.XRFrameDataProviderReceiver(this);989        this.dataProviderReceiver_.$.bindHandle(990            dataProviderPtr.$.bindNewPipeAndPassReceiver().handle);991        this.sessionOptions_ = sessionOptions;992        this.sessionClient_ = new vrMojom.XRSessionClientRemote();993        const clientReceiver = this.sessionClient_.$.bindNewPipeAndPassReceiver();994        const enabled_features = [];995        for (let i = 0; i < sessionOptions.requiredFeatures.length; i++) {996          if (this.supportedFeatures_.indexOf(sessionOptions.requiredFeatures[i]) !== -1) {997            enabled_features.push(sessionOptions.requiredFeatures[i]);998          } else {999            return Promise.resolve({session: null});1000          }1001        }1002        for (let i =0; i < sessionOptions.optionalFeatures.length; i++) {1003          if (this.supportedFeatures_.indexOf(sessionOptions.optionalFeatures[i]) !== -1) {1004            enabled_features.push(sessionOptions.optionalFeatures[i]);1005          }1006        }1007        this.enabledFeatures_ = enabled_features;1008        return Promise.resolve({1009          session: {1010            submitFrameSink: submit_frame_sink,1011            dataProvider: dataProviderPtr,1012            clientReceiver: clientReceiver,1013            displayInfo: this.displayInfo_,1014            enabledFeatures: enabled_features,1015            deviceConfig: {1016              usesInputEventing: false,1017              defaultFramebufferScale: this.defaultFramebufferScale_,1018              supportsViewportScaling: true,1019              depthConfiguration:1020                enabled_features.includes(vrMojom.XRSessionFeature.DEPTH) ? {1021                  depthUsage: vrMojom.XRDepthUsage.kCPUOptimized,1022                  depthDataFormat: vrMojom.XRDepthDataFormat.kLuminanceAlpha,1023                } : null,1024            },1025            enviromentBlendMode: this.enviromentBlendMode_,1026            interactionMode: this.interactionMode_1027          }1028        });1029      } else {1030        return Promise.resolve({session: null});1031      }1032    });1033  }1034  _runtimeSupportsSession(options) {1035    let result = this.supportedModes_.includes(options.mode);1036    if (options.requiredFeatures.includes(vrMojom.XRSessionFeature.DEPTH)1037    || options.optionalFeatures.includes(vrMojom.XRSessionFeature.DEPTH)) {1038      result &= options.depthOptions.usagePreferences.includes(vrMojom.XRDepthUsage.kCPUOptimized);1039      result &= options.depthOptions.dataFormatPreferences.includes(vrMojom.XRDepthDataFormat.kLuminanceAlpha);1040    }1041    return Promise.resolve({1042      supportsSession: result,1043    });1044  }1045  // Private functions - utilities:1046  _nativeOriginKnown(nativeOriginInformation){1047    if (nativeOriginInformation.inputSourceSpaceInfo !== undefined) {1048      if (!this.input_sources_.has(nativeOriginInformation.inputSourceSpaceInfo.inputSourceId)) {1049        // Unknown input source.1050        return false;1051      }1052      return true;1053    } else if (nativeOriginInformation.referenceSpaceType !== undefined) {1054      // Bounded_floor & unbounded ref spaces are not yet supported for AR:1055      if (nativeOriginInformation.referenceSpaceType == vrMojom.XRReferenceSpaceType.kUnbounded1056       || nativeOriginInformation.referenceSpaceType == vrMojom.XRReferenceSpaceType.kBoundedFloor) {1057        return false;1058      }1059      return true;1060    } else {1061      // Planes and anchors are not yet supported by the mock interface.1062      return false;1063    }1064  }1065  // Private functions - anchors implementation:1066  // Modifies passed in frameData to add anchor information.1067  _calculateAnchorInformation(frameData) {1068    if (!this.supportedModes_.includes(vrMojom.XRSessionMode.kImmersiveAr)) {1069      return;1070    }1071    frameData.anchorsData = {allAnchorsIds: [], updatedAnchorsData: []};1072    for(const [id, controller] of this.anchor_controllers_) {1073      frameData.anchorsData.allAnchorsIds.push(id);1074      // Send the entire anchor data over if there was a change since last GetFrameData().1075      if(controller.dirty) {1076        const anchorData = {id};1077        if(!controller.paused) {1078          anchorData.mojoFromAnchor = getPoseFromTransform(1079              XRMathHelper.decomposeRigidTransform(1080                  controller._getAnchorOrigin()));1081        }1082        controller._markProcessed();1083        frameData.anchorsData.updatedAnchorsData.push(anchorData);1084      }1085    }1086  }1087  // Private functions - depth sensing implementation:1088  // Modifies passed in frameData to add anchor information.1089  _calculateDepthInformation(frameData) {1090    if (!this.supportedModes_.includes(vrMojom.XRSessionMode.kImmersiveAr)) {1091      return;1092    }1093    if (!this.enabledFeatures_.includes(vrMojom.XRSessionFeature.DEPTH)) {1094      return;1095    }1096    // If we don't have a current depth data, we'll return null1097    // (i.e. no data is not a valid data, so it cannot be "StillValid").1098    if (this.depthSensingData_ == null) {1099      frameData.depthData = null;1100      return;1101    }1102    if(!this.depthSensingDataDirty_) {1103      frameData.depthData = { dataStillValid: {}};1104      return;1105    }1106    frameData.depthData = {1107      updatedDepthData: {1108        timeDelta: frameData.timeDelta,1109        normTextureFromNormView: this.depthSensingData_.normDepthBufferFromNormView,1110        rawValueToMeters: this.depthSensingData_.rawValueToMeters,1111        size: { width: this.depthSensingData_.width, height: this.depthSensingData_.height },1112        pixelData: { bytes: this.depthSensingData_.depthData }1113      }1114    };1115    this.depthSensingDataDirty_ = false;1116  }1117  // Private functions - hit test implementation:1118  // Returns a Promise<bool> that signifies whether hit test source creation should succeed.1119  // If we have a hit test source creation callback installed, invoke it and return its result.1120  // If it's not installed, for back-compat just return a promise that resolves to true.1121  _shouldHitTestSourceCreationSucceed(hitTestParameters, controller) {1122    if(this.hit_test_source_creation_callback_) {1123      return this.hit_test_source_creation_callback_(hitTestParameters, controller);1124    } else {1125      return Promise.resolve(true);1126    }1127  }1128  // Modifies passed in frameData to add hit test results.1129  _calculateHitTestResults(frameData) {1130    if (!this.supportedModes_.includes(vrMojom.XRSessionMode.kImmersiveAr)) {1131      return;1132    }1133    frameData.hitTestSubscriptionResults = {results: [],1134                                            transientInputResults: []};1135    if (!this.world_) {1136      return;1137    }1138    // Non-transient hit test:1139    for (const [id, subscription] of this.hitTestSubscriptions_) {1140      const mojo_from_native_origin = this._getMojoFromNativeOrigin(subscription.nativeOriginInformation);1141      if (!mojo_from_native_origin) continue;1142      const [mojo_ray_origin, mojo_ray_direction] = this._transformRayToMojoSpace(1143        subscription.ray,1144        mojo_from_native_origin1145      );1146      const results = this._hitTestWorld(mojo_ray_origin, mojo_ray_direction, subscription.entityTypes);1147      frameData.hitTestSubscriptionResults.results.push(1148          {subscriptionId: id, hitTestResults: results});1149    }1150    // Transient hit test:1151    const mojo_from_viewer = this._getMojoFromViewer();1152    for (const [id, subscription] of this.transientHitTestSubscriptions_) {1153      const result = {subscriptionId: id,1154                      inputSourceIdToHitTestResults: new Map()};1155      // Find all input sources that match the profile name:1156      const matching_input_sources = Array.from(this.input_sources_.values())1157                                                        .filter(input_source => input_source.profiles_.includes(subscription.profileName));1158      for (const input_source of matching_input_sources) {1159        const mojo_from_native_origin = input_source._getMojoFromInputSource(mojo_from_viewer);1160        const [mojo_ray_origin, mojo_ray_direction] = this._transformRayToMojoSpace(1161          subscription.ray,1162          mojo_from_native_origin1163        );1164        const results = this._hitTestWorld(mojo_ray_origin, mojo_ray_direction, subscription.entityTypes);1165        result.inputSourceIdToHitTestResults.set(input_source.source_id_, results);1166      }1167      frameData.hitTestSubscriptionResults.transientInputResults.push(result);1168    }1169  }1170  // Returns 2-element array [origin, direction] of a ray in mojo space.1171  // |ray| is expressed relative to native origin.1172  _transformRayToMojoSpace(ray, mojo_from_native_origin) {1173    const ray_origin = {1174      x: ray.origin.x,1175      y: ray.origin.y,1176      z: ray.origin.z,1177      w: 11178    };1179    const ray_direction = {1180      x: ray.direction.x,1181      y: ray.direction.y,1182      z: ray.direction.z,1183      w: 01184    };1185    const mojo_ray_origin = XRMathHelper.transform_by_matrix(1186      mojo_from_native_origin,1187      ray_origin);1188    const mojo_ray_direction = XRMathHelper.transform_by_matrix(1189      mojo_from_native_origin,1190      ray_direction);1191    return [mojo_ray_origin, mojo_ray_direction];1192  }1193  // Hit tests the passed in ray (expressed as origin and direction) against the mocked world data.1194  _hitTestWorld(origin, direction, entityTypes) {1195    let result = [];1196    for (const region of this.world_.hitTestRegions) {1197      const partial_result = this._hitTestRegion(1198        region,1199        origin, direction,1200        entityTypes);1201      result = result.concat(partial_result);1202    }1203    return result.sort((lhs, rhs) => lhs.distance - rhs.distance).map((hitTest) => {1204      delete hitTest.distance;1205      return hitTest;1206    });1207  }1208  // Hit tests the passed in ray (expressed as origin and direction) against world region.1209  // |entityTypes| is a set of FakeXRRegionTypes.1210  // |region| is FakeXRRegion.1211  // Returns array of XRHitResults, each entry will be decorated with the distance from the ray origin (along the ray).1212  _hitTestRegion(region, origin, direction, entityTypes) {1213    const regionNameToMojoEnum = {1214      "point": vrMojom.EntityTypeForHitTest.POINT,1215      "plane": vrMojom.EntityTypeForHitTest.PLANE,1216      "mesh":null1217    };1218    if (!entityTypes.includes(regionNameToMojoEnum[region.type])) {1219      return [];1220    }1221    const result = [];1222    for (const face of region.faces) {1223      const maybe_hit = this._hitTestFace(face, origin, direction);1224      if (maybe_hit) {1225        result.push(maybe_hit);1226      }1227    }1228    // The results should be sorted by distance and there should be no 2 entries with1229    // the same distance from ray origin - that would mean they are the same point.1230    // This situation is possible when a ray intersects the region through an edge shared1231    // by 2 faces.1232    return result.sort((lhs, rhs) => lhs.distance - rhs.distance)1233                 .filter((val, index, array) => index === 0 || val.distance !== array[index - 1].distance);1234  }1235  // Hit tests the passed in ray (expressed as origin and direction) against a single face.1236  // |face|, |origin|, and |direction| are specified in world (aka mojo) coordinates.1237  // |face| is an array of DOMPointInits.1238  // Returns null if the face does not intersect with the ray, otherwise the result is1239  // an XRHitResult with matrix describing the pose of the intersection point.1240  _hitTestFace(face, origin, direction) {1241    const add = XRMathHelper.add;1242    const sub = XRMathHelper.sub;1243    const mul = XRMathHelper.mul;1244    const normalize = XRMathHelper.normalize;1245    const dot = XRMathHelper.dot;1246    const cross = XRMathHelper.cross;1247    const neg = XRMathHelper.neg;1248    //1. Calculate plane normal in world coordinates.1249    const point_A = face.vertices[0];1250    const point_B = face.vertices[1];1251    const point_C = face.vertices[2];1252    const edge_AB = sub(point_B, point_A);1253    const edge_AC = sub(point_C, point_A);1254    const normal = normalize(cross(edge_AB, edge_AC));1255    const numerator = dot(sub(point_A, origin), normal);1256    const denominator = dot(direction, normal);1257    if (Math.abs(denominator) < XRMathHelper.EPSILON) {1258      // Planes are nearly parallel - there's either infinitely many intersection points or 0.1259      // Both cases signify a "no hit" for us.1260      return null;1261    } else {1262      // Single intersection point between the infinite plane and the line (*not* ray).1263      // Need to calculate the hit test matrix taking into account the face vertices.1264      const distance = numerator / denominator;1265      if (distance < 0) {1266        // Line - plane intersection exists, but not the half-line - plane does not.1267        return null;1268      } else {1269        const intersection_point = add(origin, mul(distance, direction));1270        // Since we are treating the face as a solid, flip the normal so that its1271        // half-space will contain the ray origin.1272        const y_axis = denominator > 0 ? neg(normal) : normal;1273        let z_axis = null;1274        const cos_direction_and_y_axis = dot(direction, y_axis);1275        if (Math.abs(cos_direction_and_y_axis) > (1 - XRMathHelper.EPSILON)) {1276          // Ray and the hit test normal are co-linear - try using the 'up' or 'right' vector's projection on the face plane as the Z axis.1277          // Note: this edge case is currently not covered by the spec.1278          const up = {x: 0.0, y: 1.0, z: 0.0, w: 0.0};1279          const right = {x: 1.0, y: 0.0, z: 0.0, w: 0.0};1280          z_axis = Math.abs(dot(up, y_axis)) > (1 - XRMathHelper.EPSILON)1281                        ? sub(up, mul(dot(right, y_axis), y_axis))  // `up is also co-linear with hit test normal, use `right`1282                        : sub(up, mul(dot(up, y_axis), y_axis));    // `up` is not co-linear with hit test normal, use it1283        } else {1284          // Project the ray direction onto the plane, negate it and use as a Z axis.1285          z_axis = neg(sub(direction, mul(cos_direction_and_y_axis, y_axis))); // Z should point towards the ray origin, not away.1286        }1287        z_axis = normalize(z_axis);1288        const x_axis = normalize(cross(y_axis, z_axis));1289        // Filter out the points not in polygon.1290        if (!XRMathHelper.pointInFace(intersection_point, face)) {1291          return null;1292        }1293        const hitResult = {planeId: 0n};1294        hitResult.distance = distance;  // Extend the object with additional information used by higher layers.1295                                        // It will not be serialized over mojom.1296        const matrix = new Array(16);1297        matrix[0] = x_axis.x;1298        matrix[1] = x_axis.y;1299        matrix[2] = x_axis.z;1300        matrix[3] = 0;1301        matrix[4] = y_axis.x;1302        matrix[5] = y_axis.y;1303        matrix[6] = y_axis.z;1304        matrix[7] = 0;1305        matrix[8] = z_axis.x;1306        matrix[9] = z_axis.y;1307        matrix[10] = z_axis.z;1308        matrix[11] = 0;1309        matrix[12] = intersection_point.x;1310        matrix[13] = intersection_point.y;1311        matrix[14] = intersection_point.z;1312        matrix[15] = 1;1313        hitResult.mojoFromResult = getPoseFromTransform(1314            XRMathHelper.decomposeRigidTransform(matrix));1315        return hitResult;1316      }1317    }1318  }1319  _getMojoFromViewer() {1320    if (!this.pose_) {1321      return XRMathHelper.identity();1322    }1323    const transform = {1324      position: [1325        this.pose_.position.x,1326        this.pose_.position.y,1327        this.pose_.position.z],1328      orientation: [1329        this.pose_.orientation.x,1330        this.pose_.orientation.y,1331        this.pose_.orientation.z,1332        this.pose_.orientation.w],1333    };1334    return getMatrixFromTransform(transform);1335  }1336  _getMojoFromViewerWithOffset(viewOffset) {1337    return { matrix: XRMathHelper.mul4x4(this._getMojoFromViewer(), viewOffset.matrix) };1338  }1339  _getMojoFromNativeOrigin(nativeOriginInformation) {1340    const mojo_from_viewer = this._getMojoFromViewer();1341    if (nativeOriginInformation.inputSourceSpaceInfo !== undefined) {1342      if (!this.input_sources_.has(nativeOriginInformation.inputSourceSpaceInfo.inputSourceId)) {1343        return null;1344      } else {1345        const inputSource = this.input_sources_.get(nativeOriginInformation.inputSourceSpaceInfo.inputSourceId);1346        return inputSource._getMojoFromInputSource(mojo_from_viewer);1347      }1348    } else if (nativeOriginInformation.referenceSpaceType !== undefined) {1349      switch (nativeOriginInformation.referenceSpaceType) {1350        case vrMojom.XRReferenceSpaceType.kLocal:...

Using AI Code Generation

1var wptools = require('wptools');2wptools.page(url, options, function(err, page) {3    page.get(function(err, data) {4        console.log(data);5    });6});7    page.get(function(err, data) {8        console.log(data);9    });10});

Using AI Code Generation

1var wpt = require("wptoolkit");2var viewer = wpt.getViewer();3var mojo = wpt._getMojoFromViewerWithOffset(viewer, 0, 0);4console.log("Mojo: " + mojo);5var wpt = require("wptoolkit");6var viewer = wpt.getViewer();7var mojo = wpt._getMojoFromViewer(viewer);8console.log("Mojo: " + mojo);9var wpt = require("wptoolkit");10var viewer = wpt.getViewer();11var mojo = wpt._getMojoFromViewerWithOffset(viewer, 0, 0);12console.log("Mojo: " + mojo);13var wpt = require("wptoolkit");14var viewer = wpt.getViewer();15var mojo = wpt._getMojoFromViewer(viewer);16console.log("Mojo: " + mojo);17var wpt = require("wptoolkit");18var viewer = wpt.getViewer();19var mojo = wpt._getMojoFromViewerWithOffset(viewer, 0, 0);20console.log("Mojo: " + mojo);21var wpt = require("wptoolkit");22var viewer = wpt.getViewer();23var mojo = wpt._getMojoFromViewer(viewer);24console.log("Mojo: " + mojo);25var wpt = require("wptoolkit");26var viewer = wpt.getViewer();27var mojo = wpt._getMojoFromViewerWithOffset(viewer, 0, 0);28console.log("Mojo: " + mojo);

Using AI Code Generation

1var wptbPreview = new WPTB_Preview();2var viewer = wptbPreview._getMojoFromViewerWithOffset( 0, 0 );3var mojo = viewer.mojo;4var offset = viewer.offset;5WPTB_Preview.prototype._getMojoFromViewerWithOffset = function( x, y ) {6    var viewer = this._getViewer();7    var mojo = viewer.mojo;8    var offset = viewer.offset;9    while ( viewer ) {10        offset.x += viewer.offsetLeft;11        offset.y += viewer.offsetTop;12        viewer = viewer.offsetParent;13    }14    x += offset.x;15    y += offset.y;16    var element = document.elementFromPoint( x, y );17    if ( !element ) {18        return null;19    }20    while ( element ) {21        if ( element.mojo ) {22            mojo = element.mojo;23            break;24        }25        element = element.parentNode;26    }27    return { mojo: mojo, offset: offset };28};29Mojo.prototype._getViewer = function() {30    var viewer = this._viewer;31    if ( !viewer ) {32        viewer = document.getElementById( 'wptb-preview' );33        this._viewer = viewer;34    }35    return viewer;36};37Mojo.prototype._getOffset = function() {38    var offset = this._offset;39    if ( !offset ) {40        offset = { x: 0, y: 0 };41        this._offset = offset;42    }43    return offset;44};45Mojo.prototype._getOffset = function() {46    var offset = this._offset;47    if ( !offset ) {48        offset = { x: 0, y: 0 };49        this._offset = offset;50    }51    return offset;52};53Mojo.prototype._getOffset = function() {54    var offset = this._offset;55    if ( !offset ) {56        offset = { x: 0, y: 0 };57        this._offset = offset;58    }59    return offset;60};

Using AI Code Generation

1var wptools = require('wptools');2var offset = 3;3wptools._getMojoFromViewerWithOffset(viewer, offset, function(err, mojo) {4    if (err) {5        console.log(err);6    } else {7        console.log(mojo);8    }9});

Using AI Code Generation

1var wpt = require('WebPageTest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.2e2b9d9b0c6d7e8c1c6f7d6e7e6c7e8b');3var options = {4};5wpt.runTest(url, options, function(err, data) {6    if (err) return console.log(err);7    console.log(data);8});9var wpt = require('WebPageTest');10var wpt = new WebPageTest('www.webpagetest.org', 'A.2e2b9d9b0c6d7e8c1c6f7d6e7e6c7e8b');11var options = {12};13wpt.runTest(url, options, function(err, data) {14    if (err) return console.log(err);15    console.log(data);16});17wpt._getMojoFromViewerWithOffset(data.data.testId, 0, function(err, data) {18    if (err) return console.log(err);19    console.log(data);20});21wpt.getTestResults(data.data.testId, function(err, data) {22    if (err) return console.log(err);23    console.log(data);24});

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.