feat: offscreenCanvas代替setTimeout

antvis · Feb 18, 2025 · d1e6e3e · d1e6e3e
1 parent 75070c1
commit d1e6e3e
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/packages/f-my/src/adapter.ts b/packages/f-my/src/adapter.ts
@@ -204,10 +204,13 @@ class CanvasElement {
     return new CanvasImageElement(url, this.canvasContext, this._addCallIdAction);
   }
   requestAnimationFrame(fn: any) {
-    const frameFn = bindDrawRunnable(fn, this.canvasContext, this._addCallIdAction);
-    return setTimeout(function () {
+    const frameFn = bindDrawRunnable(fn, this.canvasContext,this._addCallIdAction);
+    const offscreenCanvas = (my as any).createOffscreenCanvas
+      ? (my as any).createOffscreenCanvas()
+      : { requestAnimationFrame: () => {} };
+    return offscreenCanvas.requestAnimationFrame(() => {
       frameFn(Date.now());
-    }, 16);
+    });
   }
   cancelAnimationFrame(tid: any) {
     return clearTimeout(tid);