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# flixel
  • e
    it can be hard to read when people type like this
  • w
    Copy code
    hx
titlestatebg = new FlxBackdrop(Paths.image('GameAssets/harharhar'));
title.scrollFactor.set(0.2, 0);
titlestatebg.velocity.set(200, 110);
titlestatebg.updateHitbox();
titlestatebg.screenCenter(X);
add(titlestatebg);
  • e
    I don't think so it looks fun enough l m a o
  • g
    no
  • w
    that's more christopher walken than shatner
  • s
    thank you, my head was hurting with everything for the past 2 hours trying to fix this
  • w
    just look at the constructor args
  • w
    they say what they do
  • s
    yeah
  • a
    is there a way to use setPixel32 on flxsprites without causing any lag
  • h
    Not really. If you are changing a ton of pixels it's going to be slow. You can try using other methods like 
    copyPixels
    , etc to do larger pieces of an image instead of 1 pixel at a time. https://books.openfl.org/openfl-developers-guide/working-with-bitmaps/copying-bitmap-data.html
  • s
    use a shader maybe?
  • a
    im mainly doing this to invert an image
  • a
    using pixels
  • w
    second time you've brought up setPixel32 as if it's the only bitmap manipulation tool
  • w
    tell us your goal
  • a
    ^
  • h
    if the image is large, it is inherently slow.
  • w
    i would use a shader
  • h
    I think I've done it with another method, though, that wasn't slow.
  • h
    let me see if I can find it
  • w
    or color transform maybe?
  • w
    there also bitmap locking
  • a
    yep already did that
  • a
    still laggy
  • a
    im not sure of that
  • a
    since inverting is substracting the color from white and setting the alpha back to the color's alpha value
  • w
    can you share what you tried
  • w
    and the images dimensions
  • h
    ah no I'm remembering incorrectly - I used ColorMatrix to do greyscale...
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