Refine sensor integration strategy

2026-03-25 17:42:16 +08:00
parent a19342d61f
commit f7d4499e36
11 changed files with 1509 additions and 8 deletions
--- a/miniprogram/engine/sensor/accelerometerController.ts
+++ b/miniprogram/engine/sensor/accelerometerController.ts
@@ -0,0 +1,124 @@
+export interface AccelerometerControllerCallbacks {
+  onSample: (x: number, y: number, z: number) => void
+  onError: (message: string) => void
+}
+
+const ACCELEROMETER_START_RETRY_DELAY_MS = 120
+
+export class AccelerometerController {
+  callbacks: AccelerometerControllerCallbacks
+  listening: boolean
+  starting: boolean
+  accelerometerCallback: ((result: WechatMiniprogram.OnAccelerometerChangeCallbackResult) => void) | null
+  retryTimer: number
+
+  constructor(callbacks: AccelerometerControllerCallbacks) {
+    this.callbacks = callbacks
+    this.listening = false
+    this.starting = false
+    this.accelerometerCallback = null
+    this.retryTimer = 0
+  }
+
+  start(): void {
+    if (this.listening || this.starting) {
+      return
+    }
+
+    if (typeof wx.startAccelerometer !== 'function' || typeof wx.onAccelerometerChange !== 'function') {
+      this.callbacks.onError('当前环境不支持加速度计监听')
+      return
+    }
+
+    this.clearRetryTimer()
+    this.starting = true
+    this.detachCallback()
+    wx.stopAccelerometer({
+      complete: () => {
+        this.startAfterStop(false)
+      },
+    })
+  }
+
+  private startAfterStop(retried: boolean): void {
+    const callback = (result: WechatMiniprogram.OnAccelerometerChangeCallbackResult) => {
+      if (
+        typeof result.x !== 'number'
+        || typeof result.y !== 'number'
+        || typeof result.z !== 'number'
+        || Number.isNaN(result.x)
+        || Number.isNaN(result.y)
+        || Number.isNaN(result.z)
+      ) {
+        return
+      }
+
+      this.callbacks.onSample(result.x, result.y, result.z)
+    }
+
+    this.accelerometerCallback = callback
+    wx.onAccelerometerChange(callback)
+    wx.startAccelerometer({
+      interval: 'ui',
+      success: () => {
+        this.starting = false
+        this.listening = true
+      },
+      fail: (res) => {
+        const errorMessage = res && res.errMsg ? res.errMsg : 'startAccelerometer failed'
+        if (!retried && errorMessage.indexOf('has enable') >= 0) {
+          this.detachCallback()
+          this.clearRetryTimer()
+          this.retryTimer = setTimeout(() => {
+            this.retryTimer = 0
+            wx.stopAccelerometer({
+              complete: () => {
+                this.startAfterStop(true)
+              },
+            })
+          }, ACCELEROMETER_START_RETRY_DELAY_MS) as unknown as number
+          return
+        }
+
+        this.starting = false
+        this.detachCallback()
+        this.callbacks.onError(errorMessage)
+      },
+    })
+  }
+
+  stop(): void {
+    this.clearRetryTimer()
+    this.detachCallback()
+    wx.stopAccelerometer({
+      complete: () => {},
+    })
+    this.starting = false
+    this.listening = false
+  }
+
+  destroy(): void {
+    this.stop()
+  }
+
+  private clearRetryTimer(): void {
+    if (!this.retryTimer) {
+      return
+    }
+
+    clearTimeout(this.retryTimer)
+    this.retryTimer = 0
+  }
+
+  private detachCallback(): void {
+    if (!this.accelerometerCallback) {
+      return
+    }
+
+    if (typeof wx.offAccelerometerChange === 'function') {
+      wx.offAccelerometerChange(this.accelerometerCallback)
+    }
+
+    this.accelerometerCallback = null
+  }
+}