Top 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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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/23879 by u/danny@hille.dk

function u(t) {

z=c.width=w=120;for(m=1e4;m--;)x.fillRect(i=m%w,j=m/w,z,1/z),x.fillStyle=R(z*j),d=(r=(X=i/w*(g=1))*(Y=j/w)*Y)>1?0:C(r)/9,z=C(X/d)/S(Y/d-t*9)

Sep 20 2021 4:26 AM UTC

}// 140/140

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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

remix of d/21012 by u/pavel

function u(t) {

with(x)for(fillRect(i=-710,i,i*=-2,i);i--;clearRect(30+C(t)*9*T(a=i+S(t)),2,w=T(a),w>C(t)*-2))setTransform(16,0,0,16,960,540),rotate(i/226)

Dec 17 2020 5:56 AM UTC

}// 139/140

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neimad

remix of d/19261 by u/somehoax

function u(t) {

for(i=999;i--;x.fillRect(~x.setTransform(s=2e4/i,C(a=-i-t),4,4*s,t-9*s*C(a)+i,t%9+9*s*S(a)),S(t),2,.4))x.fillStyle=R(v=99-S(i/29)*80,v,v*i)

Jun 29 2020 5:53 AM UTC

}// 139/140

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u/magna

It's like surfing a giant wave
u/Joachim

#tunnel

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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/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/21116 by u/pavel

function u(t) {

c.width=512
for(let i=13e3;i--;x.fillStyle=R(i/40,99))i/1e3-4>T(T(S(i%80/4)*C(i/1e3-5*S(t)*3)))&&x.fillRect(i%80*6,i/40+15,6,2)

Jan 3 2021 6:00 AM UTC

}// 128/140

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neimad

remix of d/19273 by u/geb

function u(t) {

f=(X,Y,r,d)=>{if(d>9)x.beginPath(),x.arc(X,Y,d/5,0,7),x.fill(),f(X+=C(r)*d,Y+=S(r)*d,t+r+d,d*.8)}
for(c.width|=r=9;r--;)f(960,540,r*.7,420)

Jun 29 2020 5:35 AM UTC

}// 139/140

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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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