master
MrPlatnum 2025-09-15 10:08:33 +02:00
parent d97640ee63
commit 2654d1178b
1 changed files with 217 additions and 168 deletions

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@ -3,206 +3,255 @@ import { inject, Injectable } from '@angular/core';
import { tap } from 'rxjs';
import { v4 as uuidv4 } from 'uuid';
export interface InteractionEvent {
timestamp: number;
type: string;
elementId?: string;
elementTag?: string;
elementClasses?: string;
value?: any;
timestamp: number;
type: string;
elementId?: string;
elementTag?: string;
elementClasses?: string;
value?: any;
}
export interface DeviceOrientation {
timestamp: number;
alpha: number | null;
beta: number | null;
gamma: number | null;
timestamp: number;
alpha: number | null;
beta: number | null;
gamma: number | null;
}
export interface ArTrackingData {
timestamp: number;
anchor: string | null;
cameraPosition: { x: number; y: number; z: number; w?: number } | null;
cameraOrientation: { x: number; y: number; z: number; w: number } | null;
cameraEuler: { pitch: number; yaw: number; roll: number } | null;
cameraOrbit: { theta: number; phi: number; radius: number } | null;
cameraTarget: { x: number; y: number; z: number } | null;
timestamp: number;
anchor: string | null;
cameraPosition: { x: number; y: number; z: number; w?: number } | null;
cameraOrientation: { x: number; y: number; z: number; w: number } | null;
cameraEuler: { pitch: number; yaw: number; roll: number } | null;
cameraOrbit: { theta: number; phi: number; radius: number } | null;
cameraTarget: { x: number; y: number; z: number } | null;
}
export interface MetricsLog {
interactions: InteractionEvent[];
deviceOrientations: DeviceOrientation[];
arTrackingData: ArTrackingData[];
interactions: InteractionEvent[];
deviceOrientations: DeviceOrientation[];
arTrackingData: ArTrackingData[];
}
@Injectable({
providedIn: 'root'
providedIn: 'root'
})
export class MetricsTrackerService {
private http = inject(HttpClient);
private serverUrl = '/api/log';
private deviceId: string;
private http = inject(HttpClient);
private serverUrl = '/api/log';
private deviceId: string;
private metricsLog: MetricsLog = {
interactions: [],
deviceOrientations: [],
arTrackingData: []
};
private xrFrameSubscriptionId: number | null = null;
private lastDeviceOrientation: DeviceOrientationEvent | null = null;
private modelViewerElement: any = null;
private xrFrameCount = 0;
private metricsLog: MetricsLog = {
interactions: [],
deviceOrientations: [],
arTrackingData: []
};
constructor() {
this.handleDeviceOrientation = this.handleDeviceOrientation.bind(this);
this.onXrFrame = this.onXrFrame.bind(this);
const storedId = localStorage.getItem('device-uuid');
this.deviceId = storedId || uuidv4();
if (!storedId) {
localStorage.setItem('device-uuid', this.deviceId);
}
private xrFrameSubscriptionId: number | null = null;
private lastDeviceOrientation: DeviceOrientationEvent | null = null;
private modelViewerElement: any = null;
private xrFrameCount = 0;
if (typeof window !== 'undefined') {
window.addEventListener('deviceorientation', this.handleDeviceOrientation, true);
}
constructor() {
this.handleDeviceOrientation = this.handleDeviceOrientation.bind(this);
this.onXrFrame = this.onXrFrame.bind(this);
const storedId = localStorage.getItem('device-uuid');
this.deviceId = storedId || uuidv4();
if (!storedId) {
localStorage.setItem('device-uuid', this.deviceId);
}
private handleDeviceOrientation(event: DeviceOrientationEvent): void {
this.lastDeviceOrientation = event;
if (typeof window !== 'undefined') {
window.addEventListener('deviceorientation', this.handleDeviceOrientation, true);
}
}
public logInteraction(event: Event): void {
const target = event.target as HTMLElement;
const interaction: InteractionEvent = {
timestamp: Date.now(),
type: event.type,
elementId: target.id || undefined,
elementTag: target.tagName,
elementClasses: target.className,
value: (target as any).value ?? undefined
};
this.metricsLog.interactions.push(interaction);
}
public startTracking(modelViewerElement: any): void {
this.stopTracking();
if (!modelViewerElement) {
console.error("startTracking called with no modelViewerElement.");
return;
}
this.modelViewerElement = modelViewerElement;
private handleDeviceOrientation(event: DeviceOrientationEvent): void {
this.lastDeviceOrientation = event;
}
if (this.modelViewerElement.xrSession) {
this.startXrTracking(this.modelViewerElement.xrSession);
}
}
private startXrTracking(xrSession: any): void {
if (this.xrFrameSubscriptionId === null) {
this.xrFrameCount = 0;
this.xrFrameSubscriptionId = xrSession.requestAnimationFrame(this.onXrFrame);
}
}
public logInteraction(event: Event): void {
const timestamp = Date.now();
const target = event.target as HTMLElement;
let interaction: InteractionEvent;
private onXrFrame(time: DOMHighResTimeStamp, frame: any): void {
const session = frame.session;
this.xrFrameSubscriptionId = session.requestAnimationFrame(this.onXrFrame);
this.xrFrameCount++;
if (this.xrFrameCount % 30 !== 0) {
return;
}
const referenceSpace = this.modelViewerElement?.renderer.xr.getReferenceSpace();
if (!referenceSpace) return;
const viewerPose = frame.getViewerPose(referenceSpace);
const timestamp = Date.now();
let position = null, orientation = null, euler = null;
if (viewerPose) {
const { transform } = viewerPose;
position = { x: transform.position.x, y: transform.position.y, z: transform.position.z, w: transform.position.w };
orientation = { x: transform.orientation.x, y: transform.orientation.y, z: transform.orientation.z, w: transform.orientation.w };
euler = this.quaternionToEuler(orientation.x, orientation.y, orientation.z, orientation.w);
}
const anchorRaw = this.modelViewerElement.getAnchor ? this.modelViewerElement.getAnchor() : null;
const anchor = (typeof anchorRaw === 'string' && anchorRaw.includes('not placed')) ? null : anchorRaw;
const orbit = this.modelViewerElement.getCameraOrbit ? this.modelViewerElement.getCameraOrbit() : null;
const target = this.modelViewerElement.getCameraTarget ? this.modelViewerElement.getCameraTarget() : null;
const arData: ArTrackingData = {
timestamp,
anchor,
cameraPosition: position,
cameraOrientation: orientation,
cameraEuler: euler,
cameraOrbit: orbit ? { theta: orbit.theta, phi: orbit.phi, radius: orbit.radius } : null,
cameraTarget: target ? { x: target.x, y: target.y, z: target.z } : null,
};
this.metricsLog.arTrackingData.push(arData);
if (this.lastDeviceOrientation) {
this.metricsLog.deviceOrientations.push({
timestamp,
alpha: this.lastDeviceOrientation.alpha,
beta: this.lastDeviceOrientation.beta,
gamma: this.lastDeviceOrientation.gamma
});
}
}
public stopTracking(): void {
if (this.xrFrameSubscriptionId !== null) {
const xrSession = this.modelViewerElement?.xrSession;
if (xrSession) {
xrSession.cancelAnimationFrame(this.xrFrameSubscriptionId);
}
this.xrFrameSubscriptionId = null;
}
this.modelViewerElement = null;
}
public sendMetricsToServer(testName: string, formData?: any) {
const payload = {
testName,
deviceId: this.deviceId,
metricsLog: this.metricsLog,
...(formData && { formData })
};
this.stopTracking();
return this.http.post(this.serverUrl, payload).pipe(
tap({
next: () => this.resetMetrics(),
error: (err) => console.error(`Failed to send metrics for '${testName}':`, err)
})
);
}
public resetMetrics(): void {
this.metricsLog = { interactions: [], deviceOrientations: [], arTrackingData: [] };
if (target) {
// Standard DOM event with a target
interaction = {
timestamp,
type: event.type,
elementId: target.id || undefined,
elementTag: target.tagName,
elementClasses: target.className,
value: (target as any).value ?? undefined
};
} else if (event instanceof CustomEvent) {
// CustomEvent, likely without a target
interaction = {
timestamp,
type: event.type,
value: event.detail
};
} else {
// Fallback for other events without a target
interaction = {
timestamp,
type: event.type
};
}
private quaternionToEuler(x: number, y: number, z: number, w: number): { pitch: number, yaw: number, roll: number } {
const sinr_cosp = 2 * (w * x + y * z);
const cosr_cosp = 1 - 2 * (x * x + y * y);
const roll = Math.atan2(sinr_cosp, cosr_cosp);
this.metricsLog.interactions.push(interaction);
}
const sinp = 2 * (w * y - z * x);
const pitch = Math.abs(sinp) >= 1 ? (Math.PI / 2) * Math.sign(sinp) : Math.asin(sinp);
const siny_cosp = 2 * (w * z + x * y);
const cosy_cosp = 1 - 2 * (y * y + z * z);
const yaw = Math.atan2(siny_cosp, cosy_cosp);
return {
pitch: pitch * (180 / Math.PI),
yaw: yaw * (180 / Math.PI),
roll: roll * (180 / Math.PI)
};
public startTracking(modelViewerElement: any): void {
this.stopTracking();
if (!modelViewerElement) {
console.error("startTracking called with no modelViewerElement.");
return;
}
this.modelViewerElement = modelViewerElement;
if (this.modelViewerElement.xrSession) {
this.startXrTracking(this.modelViewerElement.xrSession);
}
}
private startXrTracking(xrSession: any): void {
if (this.xrFrameSubscriptionId === null) {
this.xrFrameCount = 0;
this.xrFrameSubscriptionId = xrSession.requestAnimationFrame(this.onXrFrame);
}
}
private onXrFrame(time: DOMHighResTimeStamp, frame: any): void {
const session = frame.session;
this.xrFrameSubscriptionId = session.requestAnimationFrame(this.onXrFrame);
this.xrFrameCount++;
if (this.xrFrameCount % 30 !== 0) {
return;
}
const referenceSpace = this.modelViewerElement?.renderer.xr.getReferenceSpace();
if (!referenceSpace) return;
const viewerPose = frame.getViewerPose(referenceSpace);
const timestamp = Date.now();
let position = null, orientation = null, euler = null;
if (viewerPose) {
const { transform } = viewerPose;
position = { x: transform.position.x, y: transform.position.y, z: transform.position.z, w: transform.position.w };
orientation = { x: transform.orientation.x, y: transform.orientation.y, z: transform.orientation.z, w: transform.orientation.w };
euler = this.quaternionToEuler(orientation.x, orientation.y, orientation.z, orientation.w);
}
const anchorRaw = this.modelViewerElement.getAnchor ? this.modelViewerElement.getAnchor() : null;
const anchor = (typeof anchorRaw === 'string' && anchorRaw.includes('not placed')) ? null : anchorRaw;
const orbit = this.modelViewerElement.getCameraOrbit ? this.modelViewerElement.getCameraOrbit() : null;
const target = this.modelViewerElement.getCameraTarget ? this.modelViewerElement.getCameraTarget() : null;
const arData: ArTrackingData = {
timestamp,
anchor,
cameraPosition: position,
cameraOrientation: orientation,
cameraEuler: euler,
cameraOrbit: orbit ? { theta: orbit.theta, phi: orbit.phi, radius: orbit.radius } : null,
cameraTarget: target ? { x: target.x, y: target.y, z: target.z } : null,
};
this.metricsLog.arTrackingData.push(arData);
if (this.lastDeviceOrientation) {
this.metricsLog.deviceOrientations.push({
timestamp,
alpha: this.lastDeviceOrientation.alpha,
beta: this.lastDeviceOrientation.beta,
gamma: this.lastDeviceOrientation.gamma
});
}
}
public stopTracking(): void {
if (this.xrFrameSubscriptionId !== null) {
const xrSession = this.modelViewerElement?.xrSession;
if (xrSession) {
xrSession.cancelAnimationFrame(this.xrFrameSubscriptionId);
}
this.xrFrameSubscriptionId = null;
}
this.modelViewerElement = null;
}
public sendMetricsToServer(testName: string, formData?: any) {
const payload = {
testName,
deviceId: this.deviceId,
metricsLog: this.metricsLog,
...(formData && { formData })
};
this.stopTracking();
return this.http.post(this.serverUrl, payload).pipe(
tap({
next: () => this.resetMetrics(),
error: (err) => console.error(`Failed to send metrics for '${testName}':`, err)
})
);
}
public resetMetrics(): void {
this.metricsLog = { interactions: [], deviceOrientations: [], arTrackingData: [] };
}
private quaternionToEuler(x: number, y: number, z: number, w: number): { pitch: number, yaw: number, roll: number } {
const sinr_cosp = 2 * (w * x + y * z);
const cosr_cosp = 1 - 2 * (x * x + y * y);
const roll = Math.atan2(sinr_cosp, cosr_cosp);
const sinp = 2 * (w * y - z * x);
const pitch = Math.abs(sinp) >= 1 ? (Math.PI / 2) * Math.sign(sinp) : Math.asin(sinp);
const siny_cosp = 2 * (w * z + x * y);
const cosy_cosp = 1 - 2 * (y * y + z * z);
const yaw = Math.atan2(siny_cosp, cosy_cosp);
return {
pitch: pitch * (180 / Math.PI),
yaw: yaw * (180 / Math.PI),
roll: roll * (180 / Math.PI)
};
}
}