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How can I get the best performance? #8

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lovoror opened this issue Jul 30, 2020 · 3 comments
Open

How can I get the best performance? #8

lovoror opened this issue Jul 30, 2020 · 3 comments

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@lovoror
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lovoror commented Jul 30, 2020

Is there a best guide?
@eXponenta
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eXponenta commented Jul 30, 2020 •
edited

  1. Not use huge lib, like Nape/Box2D or use external JS version for it.
  2. Not use a lot of getPixels/getPixel32/ getData, and all pixel operations on BitmapData that set/return buffers or pixels. Include floodFill, getColorBoundingRect, because it require stop render and grab pixels from GPU
  3. Not use a long property chain's in scrips, because it degraded compiler.
  4. Use blendmodes from list: normal, add, multiple ... Other not supported now.
  5. Not use a lot of separated sprites, 100 unique sprites is drop perf. Use ImageBitmap.draw to manual caching because cacheAsBitmap not supported now.
    ...
    ...

@lovoror
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lovoror commented Jul 31, 2020

How to show the drawcall on the screen?

@lovoror
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lovoror commented Jul 31, 2020

If I have converted vector graphics to bitmaps in swf file , could the performance be improved?

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@lovoror @eXponenta