Dweets awesomed by u/andrey.pro7k

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/11185 by u/magna

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=8418;i--;x.clearRect(X*16-16+S(a=t*9-(X*60+(Y-34)**2)**.4)*14,Y*16+C(a)*14,4,5))X=i%122,Y=i/122|0

Nov 28 2018 2:30 PM UTC

}// 127/140

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Ripples in fabric

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jylikangas

function u(t) {

with(x)for(i=1;i++<32;beginPath(fill()))for(j=8;j--;arc(X=960-C(t)*250,X/2,2e3/(i-t*8%2),a=133*j,a))fillStyle=R(v=i%2*64,i*9*S((t%7)**2),v)

Nov 27 2018 4:14 PM UTC

}// 139/140

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There is a light at the end of a tunnel

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jylikangas

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡡牣⠭㤬樽㌬眽挮睩摴栽㌰〬〬㘩㭪ⴭ㬩景爨椽㄰㭩ⴭ㭢敧楮偡瑨⡦楬氨慲挨堽㤹⭓⡡㴮㜹⩩⬹㔭琥ㄯ⸶⨡⡴☳⵪⤩⩲ⰶ〫䌨愩⩲⼲⭪⨲㜬㜭横㈬〬㜩⤩ⱦ楬汓瑹汥㵒⡘ⱔ⡘⤪眬眩⥲㴳㠪℡椫椥㈪ㄶ`.replace(/u(..)/g,"$1%")))

Nov 26 2018 8:06 PM UTC

}// 140/140

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White crane playing Rubik's cube. Don't ask. :)

u/jylikangas

Uncompressed 140b cube... for(c.width=-1,j=3;j--;)for(i=9;i--;x.beginPath(x.fill(x.arc(150+S(a=.79*i+95-t%1/.6*!(t&3-j))*r,60+C(a)*r/2+j*27,5-j,0,7))))r=38*!!i+i%2*16
u/lionleaf

#cube
u/BuRRak

This is so random and I love it

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pavel

function u(t) {

with(x)for(c.width|=k=320,scale(9,9);--k;arc(107,60,16*(k>>5)+16/(1+1e5**(.5+k%2-t%2)),a=(t/2-k)%11*.571,a))k%2&&beginPath(stroke())

Nov 26 2018 7:23 PM UTC

}// 132/140

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Walking Spiral #beesandbombs

u/pavel

Using scale(9,9) to get thick lines and shave some digits from coordinate numbers (e.g. 60 vs 540 for height)
u/pavel

x.arc(X,Y,r,a,a) = x.lineTo(X+r*C(a),Y+r*S(a))
u/katkip

Duuude
u/katkip

Awesomeee

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rodrigo.siqueira

function u(t) {

c.width^=0
for(j=0;j<9;j++)for(i=0;i<10;i++)x.fillStyle=`hsl(${S(t)*i*30} 50%75%`,x.fillRect(290+i*138,510+C(S(t)*i+t*9)*j*62,108,67)

Nov 26 2018 7:02 PM UTC

}// 133/140

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Spectrum Colorizer

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katkip

function u(t) {

c.style.background='#eee';c.width=400;for(n=900;n--;)x.lineTo(200+S(n*n+t)*200,114+C(n*n+n)*200);x.fill()

Nov 26 2018 2:38 PM UTC

}// 105/140

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Electricity

u/Xen

Nice!
u/katkip

Yep
u/aleamb

fucking awesome!

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pavel

function u(t) {

for(i=c.width|=0;Y=i-->>6;x.fill(x.arc(((i&62)-Y)*48-o*C(A=~~t/.9549),(Y-2)*83-o*S(A),30,A,A-3,i%2)))x.beginPath(o=i%2*96/(1+1e9**(.5-t%1)))

Nov 25 2018 5:45 AM UTC

}// 140/140

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Sliced Dots #beesandbombs

u/pavel

Golfed 3 loops into one. Lowest bit of i determines half-circle, next 5 bits determine X and the rest determine Y
u/pavel

i&62 = (i>>1)%32*2 = X*2
u/jylikangas

There's a lot of really clever tricks in your dweets. Keep them coming! :)
u/katkip

wow

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pavel

function u(t) {

for(c.width=i=300;j=--i>>1;x.fillText('⚫⚪'[k],29*j-8*s,84+(k*25-1)*Math.tanh(5*S(a))))k=i&1^C(a=j/3-2*t)>0,x.font=(s=1+C(k*a/2)**2)*12+'px"'

Nov 23 2018 8:40 AM UTC

}// 140/140

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Twister #beesandbombs

u/pavel

Getting the white to go over the front but behind the back is so hard! Had to use emojis to save bytes but its janky on some devices.

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pavel

remix of d/9174 by u/f8f82804

function u(t) {

with(x)for(N=i=300;A=S(a=i--/99);beginPath(fillStyle=`hsl(${i*N} 90% ${c**4}%`))c=A*S(b=t+i)+2,fill(arc(N*c,N*(A*C(b)/2-C(a)+2),70*A+9,0,7))

Nov 8 2018 11:00 PM UTC

}// 140/140

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u/katkip

I like the fact that it is so fast
u/iverjo

Nice! This reminds me of the spinning beachball of death (on Mac OS X)
u/aleamb

#colors #d3 #sphere
u/pavel

#uncompressed

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keithclark

remix of d/10528 by u/keithclark

function u(t) {

for(c.width=640,i=3e3;i--;i&256||x.fillRect(320-(3-S(t)-i%8)*J,240+((i/8&7)-3.7+t%1)*J,J/=2,J))J=3e3/(i/64+t%1*8),x.fillStyle=R(q=2e4/J,q,q)

Oct 22 2018 7:14 PM UTC

}// 140/140

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Managed to shave off enough bytes to get Y axis movement. Hat tip to @prplz for help saving bytes

u/keithclark

For better resolution, at the expense of FPS:
u/keithclark

for(c.width=640,i=4e3;i--;i&512||x.fillRect(320-(3-S(t)-i%8)*J,240+((i/8&7)-3.7+t%1)*J,J/=2,J))J=5e3/(i/64+t%2*8),x.fillStyle=R(q=2e4/J,q,q)
u/lionleaf

#d3 #depth #cube
u/rodrigo.siqueira

There is a Brazilian artist (Denis Maricato) who draws this by hand, see here: https://web.facebook.com/denis.maricato/post…
u/vain

amazing fake 3d cube world

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