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function u(t) {
} //
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u(t) is called 60 times per second. t: Elapsed time in seconds. S: Shorthand for Math.sin. C: Shorthand for Math.cos. T: Shorthand for Math.tan. R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5) c: A 1920x1080 canvas. x: A 2D context for that canvas.
Theme challenge of the month: #time

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  • The book of dweet

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  • Check this out
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  • u/pavel
    The default color for fill, fillRect, stroke, strokeRect is black and you need to call fillStyle or strokeStyle respectively. You must have seen other drawing techniques, maybe like putImage or using style attributes to add a filter over the B&W colors.
  • u/pavel
    Haha looks like we answered at the same time and eerily similarly.
  • u/UEZ
    Hmm, when I look to https://www.dwitter.net/d/23732 I cannot see any strokeStyle/fillStyle but the color result is greyscale.
  • u/pavel
    Gray can be achieved by spacing out black pixels amongst white ones. d/23773 shows this clearest.

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  • Parallax Mountains ⛰️
  • u/KilledByAPixel
    These are non-repeating mountain ranges, using a similar formula used in my #JS13k game Space Huggers
  • u/rep_movsd
    #parallax #landscape
  • u/rodrigo.siqueira
    The first game where I saw this effect was in Moon Patrol, I liked it a lot, it was great and also had a great music. I think it would not be difficult to recreate Moon Patrol from this Dweet.
  • u/andrea270872
    moon patrol ate so many of my coins!! :D
  • u/tomxor
    Pretty sure I first saw the effect in StarRay (Atari ST), I think I enjoyed the music more than the gameplay, no coins though :P

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  • Sailing boat at sunset #waitforit (in about 7 seconds the sailboat will appear)

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  • u/danny@hille.dk
    This is a personal thing!!! Twister2d is one of my favorite old school effects, it's also one of the first things i tried to golf to fit into a dweet (and I failed miserably :-)) I have retried tried (and failed) a couple of times, but this is the first time i actually managed to get the damn thing to fit without compression. I had to scarifice colors to maintin an interesting animation. Perhaps I'll get it next time :-) #twister #twister2d
  • u/New_Core
    it look great...
  • u/DataMeta
    beautiful #grayscale

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remix of d/23821 by u/pavel

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  • Mr Sierpiński, I don't feel so good

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remix of d/19550 by u/tomxor

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  • Landscape Generator from Space Huggers, my JS13k game

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remix of d/23829 by u/pavel

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  • u/Xen
    love it!
  • u/magna
    Fun to watch! :)
  • u/tomxor
    @rodrigo I think I have The Dwitter Effect, or "Dwitter Syndrome" :D i'm not even joking
  • u/sigveseb
    Nice idea! As an added bonus, if you leave it running for a while you get a graph of the prng bias for free :)

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