Random dweets | Dwitter

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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SpecialAgent

function u(t) {

c.width=9;for(i=90;i--;)i%2==0?x.fillStyle=R(0,0,200*S(t+i)):x.fillStyle=R(128*S(t+i)),x.fillRect(i%10,Math.floor(i*.1),1,1)

Feb 26 2017 6:07 PM UTC

}// 124/140

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u/donbright

cooooooool

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tomxor

remix of d/16967 by u/katkip

function u(t) {

eval(unescape(escape`挮睩摴栽㈵㘻挮獴祬攽❦楬瑥爺楮癥牴⠧㭹㴳㭰㴨琬温㴾砮晩汬呥硴⡴⹳畢獴爨〬温ⰳ㘬ㄲ⩹⬫⤻瀨怱〠偒䥎吠∤筍㵠䵅剒夠塍䅓Ⅰ索怬琪㴶⤻瀨怲〠䝏呏‱だⱴⴲ㜩㭰⡠剕习ⱴⴴㄩ㭦潲⡴⨽㈻琭ⴭ㤲㸰㬩瀨䴩`.replace(/u(..)/g,"$1%")))

Dec 26 2019 1:06 AM UTC

}// 140/140

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#basic

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prplz

remix of d/4740 by u/E-Mouse

function u(t) {

with(x)for(c.width|=q=255;q--;)fillStyle=R(q,q,q),beginPath(),arc(960+(z=400-q)*C(q+t),540+S(z)*z,40,0,7),fill()

Mar 4 2018 10:53 AM UTC

}// 112/140

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u/M1T0

This one looks really nice

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e4494s

function u(t) {

with(x){T=t*1.5;fillStyle=`hsla(${t*10}deg,99%,50%,.2)`;beginPath();arc(960+480*C(T*1.2),520+260*S(T*1.1),20,0,7);fill()}

Aug 31 2021 2:07 AM UTC

}// 121/140

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Rainbow orbit paths

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iverjo

remix of d/598 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-3*S(t),Y=i+C(t),1/(j*j+Y*Y)+1/(X*X+i*i)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:56 PM UTC

}// 137/140

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u/nickd3000

A weird remix https://www.dwitter.net/d/6361
u/iverjo

#metaballs

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pythech

remix of d/8293 by u/pythech

function u(t) {

c.onmousemove=e=>v=e.x
with(x)for(x.a=moveTo,x.b=bezierCurveTo,c.width=k=p=360;p-=9;b(p,!a(p,!b(!a(!stroke(),p),p,p,v,k,p)),v,p,p,k));

May 29 2018 1:37 PM UTC

}// 134/140

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No difference, just using less chars

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bligglenuber

remix of d/1764 by u/bligglenuber

function u(t) {

w=c.width=960;h=w/1.8;a=30;b=w*h/a
for(i=0;i<b;i++)x.lineWidth=t*T((i))%20,x.strokeRect(i%w*a,((i/w)|0)*a,a,a)

Mar 2 2017 2:35 PM UTC

}// 110/140

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u/FireFly

Mysterious. I like it 8)

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taupelink

function u(t) {

f=(a,n=3)=>n?4*S(a/n+n*t+f(-a/2,n-1)/2):a;for(i=2e3;i--;x.fillRect(i,4*frame+f(i/8),8,4*f(i/12)))x.fillStyle=R(r=160+32*f(i/20),r*.7,64+r/4)

Jan 9 2024 1:11 AM UTC

}// 140/140

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d/29295

u/taupelink

Prompt: Wobbly function day.
u/taupelink

#genuary #genuary13 #genuary2024
u/taupelink

See https://piterpasma.nl/articles/wobbly

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Xen

function u(t) {

for(i=44;i--;x.fillStyle=R(S(i+t)*i,C(t-i)*i,C(i+t)*i))x.fillRect(i*i+S(t-i)*i,0,22,6e6)

Jun 19 2018 11:40 PM UTC

}// 88/140

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quick test

u/DataMeta

dude, very nice
u/magna

Why 6e6 though? :)
u/Xen

22 width, i=44, 88 bytes,,, 6e6 is almost 66 :-P

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taupelink

remix of d/35804 by u/taupelink

function u(t) {

f=u=>8*S(u/(3+t/6))**2+(u%8-4+C(t*h))**2/2;for(i=k=1e4;i--;x.fillRect(960+r*C(h=i/k*6.3),540+r*S(h),!(f(20*t**.5)+f((t<<2)*h)&7),t/4))r=90*t

Jul 10 2026 5:59 PM UTC

}// 140/140

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d/35862