Top dweets by u/magna

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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magna

remix of d/13203 by u/somebody

function u(t) {

for(c.width|=a=t%1;a<9;)for(b=2**a++,d=4;d--;x.stroke())x.beginPath(),x.arc(960+b*S(D=d/7*11)*3,540+b*C(D)*3,b,0,7)

Apr 7 2021 3:04 AM UTC

}// 115/140

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More golfing

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magna

remix of d/22380 by u/magna

function u(t) {

eval(unescape(escape`挮獴祬攮晩汴敲㴧楮癥牴⠧㭸⹦楬汓瑹汥㵒⠰ⰹⰰⰮ〱⤻景爨椽㍥㌻椭ⴻ硛怤筴♙㼧捬敡爧㨧晩汬❽剥捴恝⠭猯㈬⵳⼲ⱳⱳ⤩堽椦㘳ⱙ㵩㸾㘬猽匨瑞奞堩⨲〬砮獥瑔牡湳景牭⡫㵃⡁㵴⤬稽匨䄩Ⱝ稬欬堪㌰ⱙ⨳〩`.replace(/u(..)/g,"$1%")))

Apr 6 2021 10:30 PM UTC

}// 140/140

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magna

function u(t) {

c.width|=0;for(i=3e3;i--;x.fill())X=i&63,Y=i>>6,x.beginPath(),x.moveTo(a=X*30+Y%2*15,b=Y*30),x.arc(a,b,15,0,3.14*(1+S(t+(X-32)*(Y-18)/99)))

Apr 5 2021 10:47 PM UTC

}// 139/140

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magna

remix of d/22298 by u/magna

function u(t) {

f=_=>S(t*3+(Y-18)*(X-32)/99)
for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))v=f(X=i%64,Y=i>>6),x.fillStyle=R((v+1)*99,X^Y)

Mar 31 2021 4:44 AM UTC

}// 131/140

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magna

remix of d/22258 by u/magna

function u(t) {

f=_=>S(X*Y+t*(X^Y)/9)
for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))v=f(X=i%64,Y=i>>6),x.fillStyle=`hsl(320,99%,${(v+1)*50}%`

Mar 30 2021 2:42 AM UTC

}// 135/140

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magna

remix of d/8594 by u/magna

function u(t) {

c.width|=0
c.style.filter='sepia()invert('
x.font='66px"'
for(Y=16;Y--;)for(X=29;X--;)x.fillText([...'🌑🌘🌗🌖🌕🌔🌓🌒'][t*(X+1)&7],X*66,Y*66+66)

Mar 16 2021 5:20 AM UTC

}// 137/140

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Harmonic moons

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magna

remix of d/21952 by u/magna

function u(t) {

with(Math)a=[log2,T,C,S]
c.width|=0
for(i=4e3,j=t;i--;j+=.001)x.fillRect(960+C(i+a[t/8&3](j))*S(i)*500,540+S(i+a[t/4&3](j))*500,S(i/1273),9)

Mar 14 2021 7:34 AM UTC

}// 140/140

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A new pattern every 4 seconds

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magna

remix of d/14034 by u/robbyg

function u(t) {

T.valueOf=Math.random
for(i=99;i--;x.fillRect(a[0]+=C(z=a[2]+=T-.5)*2,a[1]+=S(z)*2,s=a[3],s))u[i]=(a=u[i]||[T*2e3,T*2e3,T*7,T*3])

May 22 2019 11:59 AM UTC

}// 129/140

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#walkers with variable size

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magna

function u(t) {

eval(unescape(escape`挮睩摴桼㴰㭰㵸⹦潮琽✴敭⁭潮潳灡捥✻景爨渠楮⁸⥰⬽渮瑯啰灥牃慳攨⤻景爨椽㤻椭ⴻ砮晩汬呥硴⡠⑻瀮獵扳瑲⡩⨱㤫㔬㌩素⑻椪⩩⼴┱㤹絞怬⡩⵴⤪㐹㤬㤹㤩⥸⹦楬汒散琨㐰〫椪㄰〫匨琩⨳〰ⰴ〰ⰵ〬㈰〩`.replace(/u(..)/g,"$1%")))

Nov 24 2018 12:51 AM UTC

}// 140/140

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#default #stockmarket

u/magna

DOW is up!
u/magna

Uncompressed: c.width|=0;p=x.font='4em monospace';for(n in x)p+=n.toUpperCase();for(i=9;i--;x.fillText(${p.substr(i*19+5,3)} ${i**i/4%199}^,(i-t)*499,999))x.fillRect(400+i*100+S(t)*300,400,50,200)

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magna

remix of d/8083 by u/magna

function u(t) {

for(i=389;i--;x.clearRect(i%26*80-S(a=t*2+i/2)*70,~~(i/26)*80+C(a+t)*70,3,6));for(i=20;i--;)x.fillRect(i*99,A=x.globalAlpha=S(i+t),A*99,2e3)

Aug 9 2018 7:53 AM UTC

}// 140/140

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