Top dweets of all time

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: #Food

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SMON

remix of d/12066 by u/thorbear

function u(t) {

t?0:z=y=c=a=1.4,b=1.56,d=-6.56,x.globalAlpha=.01;
for(i=2e4;--i;)n=d*S(a*z)-S(b*y),y=c*C(a*z)+C(b*y),z=n,x.fillRect(z*125+950,y*200+500,4,4)

Feb 1 2019 1:48 PM UTC

}// 140/140

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Okay, now with the original parameters!

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yonatan

remix of d/11257 by u/yonatan

function u(t) {

r=Math.random
c.width=64
for(i=3e3;i--;x.fillRect(i%64,i>>6,1,1))n=u[i]=r()*(u[i]+u[i+1]+u[i+63]+u[i+64]+5)>>1,x.fillStyle=R(n,n/2,n/4)

Dec 3 2018 7:28 AM UTC

}// 135/140

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#fire

u/aleamb

superb!!

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jylikangas

function u(t) {

eval(unescape(escape`昽洽㹛ㄲ㘹㔴〬㐷㄰㌰㔬ㄵ㐸〶㥝孪㸾㕝⭴┲☱㰼椦♸孆崨樥ㄶ⨱ㄫ洪椥㐫⡴☷⤬䨪㤭⡩㸾㈩ⴲⱪ⼷〬ㄩ㭦潲⡣⹷楤瑨㵪㴱㌵㭪ⴭ㭸孆㴧晩汬剥捴❝⠴㔫⡊㵪㸾㐩⨵⭓⡴⤪㤬㘳ⰲⰹ⤩景爨椽㈳㭩ⴭ㭦⠭ㄩ⥦⠱⤻`.replace(/u(..)/g,"$1%")))

Nov 22 2018 1:05 PM UTC

}// 140/140

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#default Invaders

u/magna

OH WOW
u/katkip

wait what?
u/katkip

that's awesome
u/aleamb

love it!
u/joeytwiddle

#game #tribute

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pavel

function u(t) {

with(x)for(i=24;--i;fill())for(beginPath(n=k=i+2);k--;arc(960,540,i==2?70:50*i,a=Math.PI*(2*k+t)/(n-1),a))fillStyle=R(a=(1-i/23)**2*300,a,a)

Nov 18 2018 10:45 PM UTC

}// 140/140

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Polygons #beesandbombs

u/andregn

You could consider Math.PI = 22/7
u/pavel

When I have chars left I sometimes write out the full precision constants.

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anotherkitten

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡩㴴㤬挮獴祬攮扡捫杲潵湤㵒⡸⹫㵦楬汒散琩㭩ⴭ㭰㴶〪椪⨮㐬欨㤶〭瀬㌰〫椪㐬瀪㈬㈩⥦潲⡪㴸ㄻ樭ⴻ欨椪㜰⵪⩃⡩⼹⤪㔬㔰〫横㤬樥㤿㌺㤹ⰹ⤩晩汬却祬攽恨獬⠤筪㼳〰㨶㔭楽‹㤥⑻橼簸〭楽╠`.replace(/u(..)/g,"$1%")))

Nov 16 2018 1:36 AM UTC

}// 140/140

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vaporwave sunset

u/anotherkitten

src: https://pastebin.com/V4y4ejsC

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jylikangas

function u(t) {

c.width=63
for(i=2048;i--;x.fillRect(C=i%64,T=i>>6,s>0,s))for(s=b=3;b--;s-=1/(X*X+Y*Y))X=S(a=t+b)*2+4-C/8,Y=2+S(a*5)-T/9
x.fillText(u,15,15)

Nov 14 2018 5:46 PM UTC

}// 140/140

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Functional metaballs

u/joeytwiddle

#metaballs

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pavel

function u(t) {

for(c.width|=r=i=300;j=i--/46;f(),f(d=1.1+j),f(-d),f(X,d),f(X,-d))s=i?3:9,f=(a=X=S(A=j+3*t),b=C(A))=>x.fillRect(960+r*a-s,540+r*b-s,2*s,2*s)

Nov 8 2018 7:03 AM UTC

}// 140/140

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u/twitter

Ooh, nice! #trigonometry #educational
u/joeytwiddle

#math

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Agnes

function u(t) {

for(c.width|=i=5;i--;x.fillText([..."🤠🤙👟👟🖐️"][i],15*S(a=i/.8),-15*C(a)))x.setTransform(A=20*C(b=S(t*(i+.25))/3),B=20*S(b),-B,A,960,540)

Oct 17 2018 12:15 PM UTC

}// 135/140

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Howdy! I'm a cool cowboy!

u/Agnes

Feel free to remix this with your own head, hand and foot emojis, and change the value of b to make them rotate at different speeds.
u/magna

LOL
u/iverjo

:P

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f8f82804

remix of d/10469 by u/f8f82804

function u(t) {

for(w=c.width=594;w-=99;x.stroke())for(a='moveTo',i=17;i--;a='lineTo')x[a](297+w*S(p=1.57*(i-(i>>2))+t)/(Z=4+C(p)),99+.4*w*((i&4)+T(t+w))/Z)

Oct 15 2018 10:51 PM UTC

}// 140/140

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#d3 #perspective #cube #remix

u/f8f82804

#wireframe

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Purpzie

remix of d/4329 by u/retera

function u(t) {

for(c.width|=0,d=720;d--;x.fillRect(C(a=b/8/t+t/r)*s*S(b%8+t)+960,S(a)*s*C(b%8-t)+540,8,8))s=480+C(r=0|d/72,b=d%72)*r*5

Oct 12 2018 4:53 PM UTC

}// 119/140

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Combined 3 for loops into 1, shortening from 140 to 119 characters

u/donbright

awesome