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Thread: XNA / MMF2 Comparison Video

  1. #1
    Clicker Fusion 2.5 DeveloperAndroid Export ModuleiOS Export Module
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    XNA / MMF2 Comparison Video

    http://www.youtube.com/watch?v=MrzWG8lkAmI

    This video is unlisted so nobody outside these forums should stumble across it.

    This video shows a port of one level taken from my game Mr Stump's Dentures 2, with some things taken out. No extentions, no background system objects and no music.

    It does however use several layers; would these slow down the runtime?

    Both videos are played in real-time, they run how you see them. Note in the XNA runtime, the jerkiness and the seemingly random counter positions.

    Once again if anyone from Clickteam wishes to take a look at the source please let me know; as this is my big game in the making I'm unwilling to publicly distribute

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    Clicker Fusion 2.5 DeveloperAndroid Export ModuleHTML5 Export ModuleiOS Export ModuleSWF Export ModuleXNA Export Module

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    Re: XNA / MMF2 Comparison Video

    The lag could be from quick backdrops if you are utilizing them.

    I tested an app last night that had one QB filling the screen and it seemed to slow it down 80% - 90%.

    Deleted the QB, then it was rather snappy.

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    Re: XNA / MMF2 Comparison Video

    is your pc powerful? you should try it out on 360

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    Re: XNA / MMF2 Comparison Video

    With my current finances as they are, right now I cant justify paying for a creator club membership for Xbox 360, especially with my partners birthday coming up. Maybe nearer the end of May.

    Besides my PC is certainly pretty powerful, if the application works fine in MMF 2 then if speed was the only issue, it should work in XNA as well, but it doesnt, so theres something bothering it.

    Ill look into the quick backdrop issue though, there are two fairly large backgrounds I can remove. My other theory is that it doesnt like seven layers. But thats only a theory

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    Re: XNA / MMF2 Comparison Video

    Update on this: I removed all layers, aside from three of them, and all quick backdrops too. There has been no improvement.

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    Re: XNA / MMF2 Comparison Video

    Can you send me the source of the application with just one layer?

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    Re: XNA / MMF2 Comparison Video

    I can send the source with two layers; I'm unable to delete Layer 1 as there are events that lead to the creation of objects, despite the fact that, in the event editor, all objects are either created on Layer 2 or are created relative to other actives also on Layer 2.

    UPDATE: I managed to get everything over to one layer; the engine is now a bit dodgy with collisions but I'll send the .mfa anyway; the jerkiness is still taking place. Conversely I managed to port over another game to XNA relatively unscathed, with only backdrop and background system object issues remaining.

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    Re: XNA / MMF2 Comparison Video

    It's been sent to your email Francois

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    Re: XNA / MMF2 Comparison Video

    I think the slow down is due to the way XNA works.
    The processing of the application, and the display are separated in XNA. Processing is done in one routine, and IF there is enough time, the system calls the display routine. If there is not enough time, the system skips the display routine and calls processing immediately.
    Processing your application seems to take more than 1/50th of seconds. This is certainly due to fast loops, which can take a lot of power to function. As processing takes more than 1/50th of seconds, the display routines are not called, and your game is jerky.
    Please try your game by reducing the FPS, try it a 1/25th or less, and tell us if it works better.

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    Re: XNA / MMF2 Comparison Video

    I reduced the frame rate to 25fps, the game wasn't nearly as jerky but ran incredibly slowly, even with HWA enabled. It was as if the game was taking place underwater.

    In addition, by reducing the frame rate certain things didn't take place; When an object is destroyed, an "explosion" active object is created over it, but by reducing the frame rate, the object is just destroyed without the creation of the object - or at least, the appearance of the object.

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