Dweets by u/neimad

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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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.

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Current theme challenge: #Opposites

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neimad

remix of d/28758 by u/neimad

function u(t) {

eval(unescape(escape`洽挮睩摴栽㌶《硛昽❦楬汓瑹汥❝㵱㵵⬧✊砮晩汬剥捴⠰ⰰⱭⱭ⤊景爨渽氽〻渼焮汥湧瑨㭮⬫⥻੹㵓⡴⭮⼵⤪洊硛晝㵠桳氨⑻礯㉽‹㤥㔰╠੸⹦楬汔數琨煛湝Ⱝ琪㜹┳㠰〫氫洫匨琩⨹㔬⡹⼽㔩⬹㤩੬⬽㥽`.replace(/u([^D].)/g,'$1%')))

Oct 26 2023 5:59 PM UTC

}// 140/140

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#sinus #scroller #color #variablespeed

u/neimad

Found a few more bytes to play with. I used to make all kinds of scrollers on the c64 in the 80's and 90's, so this is a lot of fun for me.
u/UEZ

cool

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neimad

remix of d/28745 by u/UEZ

function u(t) {

eval(unescape(escape`洽挮睩摴栽㌶《砮晩汬却祬攽焽甫✧੸⹦楬汒散琨〬〬洬洩੦潲⡮㵬㴰㭮㱱⹬敮杴栻渫⬩笊礽匨琫港㔩⩭੸⹦楬汓瑹汥㵠桳氨⑻礯㉽‹㤥㔰╠੸⹦楬汔數琨煛湝Ⱝ琪㜹┳㘰〫氫洬⡹⼽㔩⬹㤩੬⬽㥽`.replace(/u([^D].)/g,'$1%')))

Oct 26 2023 7:08 AM UTC

}// 137/140

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#sinus #scroller #color

u/neimad

refactored, reduced size, made scroll restart
u/UEZ

nice

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neimad

remix of d/28736 by u/gdplayer

function u(t) {

eval(unescape(escape`挮睩摴栽ㄲ㠰ⱱ㵵⬧✮獰汩琨✧⤻砮景湴㴢㐴灸⁃潮獯污猢㭦潲⡮㵬㴰㭮㱱⹬敮杴栻渫⬩筸⹦楬汔數琨煛湝Ⱘ⵴⨱㔰┱〸〰⤫氫ㄴ㠰ⱓ⡮⼵⤪㈰〫㌵〩㭬⬽砮浥慳畲敔數琨煛湝⤮睩摴栫匨港㌫琩⨵⬵紻`.replace(/u([^D].)/g,'$1%')))

Oct 24 2023 5:16 AM UTC

}// 139/140

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Maximal demo thing

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neimad

remix of d/28660 by u/KilledByAPixel

function u(t) {

document.body.innerHTML=`<div style=font-size:3em;padding:25%${16+15*S(t)}%>▐▐▐▐▐▐▐▐▐`

Oct 10 2023 4:30 AM UTC

}// 86/140

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neimad

remix of d/23298 by u/pavel

function u(t) {

with(x)for(i=m=2e3;i--;m=beginPath(fill(arc(960+r*C(a=j/5*t+i/49),540+r*S(a/3),m||i%99,0,7))))j=i/99|0,r=55*j,fillStyle=`hsl(${i},99%,50%`

Feb 5 2023 10:11 PM UTC

}// 138/140

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Math doing math things

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neimad

remix of d/26961 by u/neimad

function u(t) {

eval(unescape(escape`挮睩摴栽眽椽㌶〻景爨㭩ⴭ㬩筸孨㴧晩汬却祬攧崽恨獬⠤筷⩍慴栮牡湤潭⠩紬㤹┬㔰┩总硛樽❦楬汒散琧崨〬椬眬椩絸孨崽✣㐳愧㭸孪崨㈰ⰲ〬㌲〬ㄶ〩㭸孨崽✣晦昧㭸⹦楬汔數琨❌佁䐢⨢ⰸⰱ✬㈵ⰳ㔩`.replace(/u([^D].)/g,'$1%')))

Jan 29 2023 3:10 AM UTC

}// 140/140

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LOAD"*",8,1

u/DaSpider

The C64 was the most capable 8-bit computer hands down.
u/andrea270872

wow... this brings me back! :D

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neimad

function u(t) {

c.width=w=i=360
for(;i--;){x.fillStyle=`hsl(${w*Math.random()},100%,50%)`
x.fillRect(0,i,w,i)}x.fillStyle='#43a'
x.fillRect(20,20,320,160)

Jan 28 2023 7:24 AM UTC

}// 138/140

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UNPACKING...

Show more comments…
u/Xen

nice!
u/tomxor

Yes! #atari st
u/neimad

It's actually supposed to look like a C64
u/tomxor

Lots of AtariST games started this way too, I never had a C64
u/joeytwiddle

I saw a #C64 but Acorn Electron is still the best! #retro #tribute
u/lonestar108

Yep reminds me of my C64... ah memories

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neimad

remix of d/26942 by u/neimad

function u(t) {

c.width=w=255
for(i=w;i--;){r=S(i/9+(2-C(t)*4))*w
g=S(i/8+(4-S(t)*8))*w
b=S(i/7-(3-S(t)*6))*w
x.fillStyle=R(r,g,b)
x.fillRect(0,0,i,i)}

Jan 26 2023 5:45 AM UTC

}// 135/140

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u/Xen

nice style!

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neimad

function u(t) {

c.width=w=255
for(i=w;i--;){
r=(S(i/20+t)*w)
g=(S(i/10+(2-S(t)*4))*w)
b=(S(-i/5+t)*w)
x.fillStyle=R(r,g,b)
x.fillRect(0,i,w,i)
}

Jan 26 2023 5:34 AM UTC

}// 128/140

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Raster Bars

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neimad

remix of d/24548 by u/stephanegeorget

function u(t) {

c.width|=r=500
for(i=s=2*r;i--;)j=i/20,X=S(j-t)*j/(18+9*C(t)),Y=C(j-t)*j/40,
x.fillRect(X*r+s,Y*r+r-C(i*i)*r/(i/80),q=9*(Y+2),q)

Dec 15 2021 7:18 AM UTC

}// 128/140

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12 bytes smaller

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