Ashley's Recent Forum Activity

  • Audio works on iOS. There is nothing more I can say unless you provide something someone else can actually run.

  • Would It be possible to have an option in export for C2/C3 to manually set a target sprite map size? That way we could have a little bit more control and reducing number of sprite maps, and swapping/draws?

    It already uses the biggest widely supported maximum texture size at 2048x2048 (therefore minimising draw calls), with the exception to use smaller sheets where it would save memory (also a big concern). Any option to change this would only be able to set a smaller limit, increasing the draw calls as it has to swap textures more frequently.

    [quote:35t4rkq0]So would you recommend me trying to bundle most/all of my artwork into the same sprite in C2 for now, or sprite maps as that seems to be the only thing I could do so far to control it somewhat?

    I would recommend you ignore the problem because most of the time it doesn't matter.

  • The build service currently only supports C3 projects. We're going to think about adding a different way to support C2 projects in future.

  • Did you try with C3? It has a better spritesheeting engine. Again though, there's still no evidence this is actively causing any performance issues. Each individual draw call as a tiny overhead.

    Avoiding texture swaps is really hard and makes potentially worse tradeoffs. For example the ultimate way to avoid texture changes is to place absolutely everything on to one single giant spritesheet, so there is only one texture which never needs to be changed. However that reverses the benefits of layout-by-layout loading and guarantees that your game will use the maximum amount of memory at all times, which is wasteful and can cause many games to crash on some devices. Then there's the maximum texture size, so sometimes you have to spill over to another texture.

    So there is no evidence this is actually too slow, and "fixing" it could easily make things a lot worse.

  • Should be fixed in r29.2, out now!

  • I've already explained this, and you're just going over the same thing again. This is unique to C2 preview mode only. There's also still no evidence this actually impacts performance in a meaningful way.

  • Maybe try localhost:80 in the URL? The Content Security Policy specifies localhost:* which I don't think matches just localhost.

  • It's there in the documentation, maybe reload the page?

  • Yes, our original announcement covered our intent to support this.

  • As of r29, there's support for third-party behavior addons. Developers can now start porting their C2 behaviors to C3.

    The SDK documentation is updated with the new information about behaviors, but for the most part they're very similar to plugins.

  • I'm assuming Ori and the Blind forest developers are cheating somehow...

    Their lead gameplay programmer David Clark used to work with me on Construct Classic, and I still sometimes chat with him. He hasn't mentioned cheating so far

    Anyways, as ever if you give me a .capx I can actually look at something, otherwise I'll just shrug and say it's probably the fill rate. Construct 2 makes it really easy to hit the fillrate hard. Well-designed games go to extraordinary lengths to optimise this kind of thing.

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  • Are you testing in C2 preview mode? That will have lots of texture swapping. It shouldn't happen so much in C3, and less after exporting in C2 (but still not as good as C3, which has a much better spritesheeting engine and combines more images on to sheets).

    GPU fillrate is usually a far bigger problem than draw calls. Spritesheeting doesn't affect it, it's to do with the number of pixels drawn to on the screen. To reduce that you have to use fewer, smaller sprites, avoid heavy overdraw (i.e. stacking lots of sprites on top of each other), and in particular avoid force-own-texture layers (which also includes layers with effects, blend modes, or opacity other than 100%)... or find a device with more fillrate

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Ashley

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