Leverage Browser Caching

Discussion in 'Game Development (Technical)' started by quaymat, May 19, 2017.

  1. quaymat

    quaymat New Member

    May 19, 2017
    Likes Received:
    So, after some reading I decided to take a pass on Starling and do the next game in HTML. It's (surprise) another financial strategy game so I don't need to have a gazillion sprites moving on the screen but hitting a lot of devices at once has high value to me.

    This AM I have a caching question:

    I have 32 property cards that are 300x300 pixels - would you store these in a single large sheet or as indvidual images? I'm leaning towards the latter for faster start up as I expect to eventually have an asynchronous loading scheme so that the game starts faster (with the expectation that all of these large jpg files will sit in cache).
  2. bantamcitygames

    Administrator Original Member Indie Author Greenlit

    Jul 27, 2004
    Likes Received:
    I don't have too much experience with browser games, but I would go with separate images. Some graphics buffers can't fit larger than 1024x1024, so if you combine, don't put more than 3x3 in each image file.
  3. Scoper

    Indie Author

    Nov 5, 2015
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    The main purpose of sprite sheets is to improve performance (frame rate). Since you explicitly state that this is not a goal, I would advise against using sprite sheets unless you see actual performance problems. If cannot fit all your sprites in the same sheet, as bantamcitygames pointed out, then you are unlikely to get any significant performance improvement (if you are good you can cleverly group sprites to get around this problem, but that is complicated stuff).

    "hitting a lot of devices at once has high value to me."
    In that case, no amount of optimization or technical speculation can replace practical testing. You need to get your hands on some different old mobile devices and try to run your game on them and do some profiling. It is the only way to know. Try to get the oldest and weakest hardware. If it runs on that then it is likely to run on the higher end stuff too.

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