Dweets awesomed by u/aleamb

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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username

remix of d/11981 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=1521,i);Q=S(--i*i);x.clearRect(751+139*(S(b)*4+S(i+t)*Q),643+150*(C(i*i)-(t&2?T(b+t/i):S(b+t/i))),9,4))b=i%6+t+i*(t&1)

Feb 16 2019 9:45 PM UTC

}// 139/140

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performance + special effects

u/pavel

(t&2?T:S)(b+t/i) saves 7 chars

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katkip

remix of d/12348 by u/katkip

function u(t) {

x.fillRect(0,0,2e3,1e3);x.globalAlpha=.1;t||(a=b=5);for(i=599;i--;)a+=S(b+C(a)),b+=C(a+C(b+t*i)),x.clearRect(a*590-1800,b*290-300,i/99,i/99)

Feb 16 2019 7:56 PM UTC

}// 140/140

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Chaotic #attractor in motion but more designed

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rodrigo.siqueira

remix of d/12369 by u/ETHproductions

function u(t) {

c.width&=q=-6;for(x.translate(960,540);q++;x.rotate(20.106))for(i=p=99;p+i--;p*=-1){x.fillRect(C(i/2)*C(i/62)*p,S(t)*99+i*S(t/2)*4,6,4)}

Feb 16 2019 3:14 PM UTC

}// 136/140

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Star mandala

u/joeytwiddle

Pretty! #flower

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cantelope

function u(t) {

eval(unescape(escape`𤠽𚁡𛁢𚐽🡛𠰨𭀩𚡡𛑓𚁴𚐪𨠬𤰨𭀩𚡡𚱃𚁴𚐪𨡝𞱦𫱲𚁸𛡦𪑬𫁓𭁹𫁥🐧𘰲𝀸𝠧𛁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𪐽𜡥𜰬𪐩𛁷👩𛰽𜠻𪐭𛐻𦱙𛁚𧐽𤠨𠰨𬀩𛁚𚐬𦠫🐵𛁸𛡣𫁥𨑲𤡥𨱴𚁷𚱘𛱚𚡷𛀵𝀰𚱙𛱚𚡷𛁳👷𛱚𛱚𛁳𚐩𦱘𛁚𧐽𤠨𤰨𬀽𪐯𞀰𚐬𝀭𚁩𛱷𚠸𚱴𚠹𚐥𞀩`.replace(/u../g,'')))

Feb 15 2019 11:41 PM UTC

}// 140/140

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u/katkip

#d3
u/katkip

awesome but #compressed

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ETHproductions

function u(t) {

c.width&=q=-6;for(x.translate(960,540);q++;x.rotate(133))for(i=p=98;p+i--;p*=-1)x.fillText(0,C(i/62)*C((S(t)+1)*i/20)*p-2,250+i*2)

Feb 15 2019 5:56 PM UTC

}// 130/140

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#snowflake inspired by a recent #beesandbombs tweet

u/ETHproductions

https://twitter.com/beesandbombs/status/1095…

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rnbw

function u(t) {

for(c.width^=i=0;i++<40;x.arc(960,540,i*(20+S(t*3+i*25)*5),(f=t/4+i*2.515),f)){x.fillStyle=`hsl(${i*9},90%,50%,4%)`;x.fill()}

Feb 15 2019 3:54 PM UTC

}// 125/140

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stardom 💫

u/katkip

#cute
u/joeytwiddle

Feels like a relative of d/10485

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katkip

function u(t) {

t||(a=b=0);for(i=99;i--;)a+=C(b-t)/69,b+=S(a*2)/69,x.fillRect(40+a*21,840+b*21,5,5)

Feb 15 2019 12:39 PM UTC

}// 83/140

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A curve, #curve

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pavel

remix of d/12355 by u/cantelope

function u(t) {

for(i=c.width|=h=355/226,w=960;Y=w-i--**h%w*2;x.fillRect(w+S(i+t)*w*r/z,540+Y/z,s=99/z/z,s))r=(Y*Y<8e5||Y%1)/S(i%h+h/2),z=4-S(t)-r*C(i+t)

Feb 14 2019 11:21 PM UTC

}// 137/140

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#uncompressed

Show more comments…
u/pavel

The base code draws a tube. 1/S(i%h+h/2) radius makes the tube have a square cross section.
u/pavel

(Y*Y<8e5||Y%1) randomizes the radius between 0 and 1 near top and bottom.
u/pavel

Err, between -1 and 1, and this makes the top and bottom panels.
u/cantelope

I see some gathering of points in the middle of the top and bottom panels, but other than that, a faithful reproduction. kudos!
u/pavel

I use polar coordinates, even though the radius is uniformly random that results in more dots near the middle :/
u/iverjo

#cube #d3

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pavel

function u(t) {

f=(X,Y,r,a,s,d=1)=>r>.2&&x.lineTo(X,Y)|f(X+C(a-=s/55)*r,Y+S(a)*r,r-r/15,a,s,-d)|f(X,Y,r/3,a+s*d,s*d)
t||f(-60,600,140,0,1)|x.stroke()

Feb 14 2019 10:05 PM UTC

}// 133/140

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Barnsley-like #fern #fractal

u/rep_movsd

#underrated

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joeytwiddle

remix of d/577 by u/iverjo

function u(t) {

for(c.width|=i=99;i--;x.lineTo(1e3+r*S(p)**3,500-r/16*(13*C(p)-5*C(2*p)-2*C(3*p)-C(4*p)),15,15))p=i/16,r=400+99*S(3*t-p/9)**26,x.fill()

Feb 14 2019 1:35 PM UTC

}// 135/140

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u/katkip

Haha! From The Coding Train live
u/iverjo

#heart
u/Galaxtone

Nice job!
u/lionleaf

#valentines

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