5.5.9版本，对FFVtuber设置scale属性无效

[whl88]

复现方法：

修改官方demo：examples/vtuber.js，如下图：

[drawcall]

Recently busy with work, you can submit a pr

[whl88]

Recently busy with work, you can submit a pr

Okay, I will try my best. I tried to fix it that day, but it didn't work.

[drawcall]

Because you set the width and height, you don't need to set the scale

[whl88]

The effect of adjusting the width and height is the clipping shown in the figure below, and the desired effect is the overall reduction and zooming.

and the Width is required

[DZwangbing]

请问此问题目前是如何解决的？ cc @whl88