async function animate()

in react-native-pytorch-core/example/src/toolbox/apiTest/CanvasAnimation.tsx [45:120]
63 lines of code
8 McCabe index (conditional complexity)

    async function animate(time: number) {
      if (lastTime != null) {
        if (time - lastTime < fpsTime) {
          if (isRunningAnimation) {
            rafHandle = requestAnimationFrame(animate);
          }
          return;
        }
      }
      lastTime = time;

      if (ctx != null) {
        ctx.clear();

        const step = i / steps;
        const cos = Math.cos(2 * Math.PI * step);
        const sin = Math.sin(2 * Math.PI * step);

        if (catImage != null) {
          let x5 = 40 + 240 * cos;
          let y5 = 160 + 160 * -sin;
          ctx.drawImage(catImage, x5, y5);

          let x6 = 120 + 80 * cos;
          ctx.drawImage(catImage, x6, x6, 80, 40);

          let x7 = 160 + 80 * -cos;
          let y7 = 320 + 120 * -sin;
          ctx.drawImage(catImage, 350, 130, 100, 100, x7, y7, 100, 100);
        }

        if (capybaraImage != null) {
          let x7 = 96 + 80 * -cos;
          let y7 = 520 + 40 * sin;
          ctx.drawImage(capybaraImage, x7, y7, 200, 120);
        }

        let x1 = 200 + 80 * cos;
        let y1 = 200 + 80 * sin;
        ctx.fillStyle = '#800080';
        ctx.fillCircle(x1, y1, 20);
        ctx.fillStyle = '#000000';
        ctx.lineWidth = 4;
        ctx.drawCircle(x1, y1, 20);

        let x2 = 200 + 120 * -cos;
        let y2 = 400 + 160 * sin;
        ctx.fillStyle = '#ff6347';
        ctx.fillCircle(x2, y2, 32);

        let x3 = 200 + 120 * cos;
        let y3 = 480 + 160 * -sin;
        ctx.fillStyle = '#00bfff';
        ctx.fillCircle(x3, y3, 36);
        ctx.fillStyle = '#00ff00';
        ctx.lineWidth = 10;
        ctx.drawCircle(x3, y3, 36);

        let x4 = 240 + 120 * -cos;
        let y4 = 280 + 160 * -sin;
        ctx.fillStyle = '#fb0fff';
        ctx.fillRect(x4, y4, 24, 32);
        ctx.fillStyle = '#00ffff';
        ctx.lineWidth = 6;
        ctx.strokeRect(x4, y4, 24, 32);

        ctx.invalidate();

        i++;
        i %= steps;

        if (isRunningAnimation) {
          rafHandle = requestAnimationFrame(animate);
        }
      }
    }