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.

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

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Odog8

function u(t) {

t?x.fillRect(a%32,a/32|c,1,'翿耀瑍魷⑕ꤢ╕鬢⛕ꤢ瑍ꬢ耀翿쀀쀀찀3ﰀ찀3쀀쀀쀀쀀쀀쀀쀀쀀쀀쀀쀀쀀쀀쀀쀀耀쀀'.charCodeAt(a/16)>>(a++%16)&1):(a=0,c.width=100)

Feb 26 2021 5:48 PM UTC

}// 139/140

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THIS WAY

u/magna

Lovely!
u/384.cz

#pixelart

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Pascal

remix of d/21743 by u/Pascal

function u(t) {

for(c.width|=i=w=1e3;i--;x.strokeStyle=`#05a5`)x.lineTo(w+w*4*C(a=i-t)/(z=S(a)-6),540+w*(S(i*5)+2*S(i*8))/z*.8)
x.stroke()

Feb 22 2021 8:56 PM UTC

}// 123/140

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spinning #d3 thing

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rodrigo.siqueira

remix of d/21721 by u/Xen

function u(t) {

for(c.width=i=1e3;i--;x.arc(500,300,i,K=i**(1.12+t/2e4)-t/3,K));x.stroke()

Feb 21 2021 3:52 AM UTC

}// 74/140

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Geometric sketches. The pentagon is turning clockwise and the triangle is turning counterclockwise.

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anotherkitten

function u(t) {

for(i=99;i--;)x.fillStyle=R(255,180+S(t-i/4)*20,220+C(i/4+t*6.73)*30),x.fill(p=new Path2D(),p.arc(960+S(t)*5*(99-i),540,i*15,i/4+t,i/4+t+2))

Feb 20 2021 7:05 AM UTC

}// 140/140

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spiraling walls

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Pascal

function u(t) {

f=(X,Y,n=100)=>Math.abs(X+Y)<3&&n>0?f(X*X-Y*Y-1.41,2*X*Y,--n):n/100
for(i=1080;i--;)x.fillRect(X=t*120,1080-i,2,(1-f(X/9e3+.1,i/9e3)**2)**2)

Feb 5 2021 2:42 PM UTC

}// 140/140

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trees

u/jellyedwards

Very nice! -5 chars (X+Y)**2<9
u/joeytwiddle

(X+Y)**2*n? seems to work, although I don't understand it

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rodrigo.siqueira

remix of d/21530 by u/KilledByAPixel

function u(t) {

c.style.filter=`invert()sepia(`
V=X=Y=Z=29
for(i=2e3;i--;x.fillRect(1e3+X*65,1350-Z*V,t<9,.5))Z+=(X*Y-Z)/V/S(t)/5,X+=(Y-X)/13,Y+=X*(V-Z)/87

Feb 1 2021 12:13 PM UTC

}// 139/140

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Light #Lorenz Attractor

u/tomxor

Pretty

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Pascal

remix of d/21425 by u/Pascal

function u(t) {

f=(X,Y,n=64)=>Y-X<n?f(X*X-Y*Y-.3,2*X*Y+.7,--n):255-n*4
for(i=2e3;i--;x.fillRect(t*180,i,6,1))x.fillStyle=R(f(t/55.56-.4,i/1e4-.24),30,60)

Jan 28 2021 1:31 PM UTC

}// 137/140

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neon flowers

u/rep_movsd

Garden of Dormamu
u/aleamb

#fractal

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erin

remix of d/21440 by u/erin

function u(t) {

c.width=w=70;for(i=2800;i--;)x.fillRect(X=i%w,Y=i/w,X/9+1*(Y/6.5)+S(X/7-5*t),1),x.fillStyle=`hsla(${U=i/13+S(t+i)*4+w},30%,50%,${T(U)+.5})`

Jan 27 2021 9:20 PM UTC

}// 139/140

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this is supposed to be water in the sun, but i couldn't figure out how to make the color blue instead of rainbow without ruining the shine.. any ideas?

u/danny@hille.dk

c.width=w=70;for(i=2800;i--;)x.fillRect(X=i%w,Y=i/w,X/9+1*(Y/7)+S(X/7-5*t),1),x.fillStyle=hsl(${U=191+i/55+S(t*9+i)*4},60%,40%,${T(U)+.5}
u/danny@hille.dk

You can do it the lazy way, by simply adjusting the number range to lay within a single color hue, and shifting it towards the blue hue, blue is around 165 (light greenish blue) to 260(purplish blue)
u/danny@hille.dk

But i actually like the rainbow water better :-)
u/erin

lol thanks! :)

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jdidion

function u(t) {

c.width=900
for(i=0;i<90;i++)
x.font="75px'",x.fillStyle=`hsl(${t*i*29},30%,10%`,
x.fillText("/\\".repeat(90),-100+C(t*2+i/20)*45,i*15)

Jan 26 2021 7:26 PM UTC

}// 135/140

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u/Xen

does look nice
u/DataMeta

cool #opticalillusion

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KilledByAPixel

remix of d/14752 by u/KilledByAPixel

function u(t) {

t%=1
c.width|=X=Y=Z=1
for(i=3e3;i--;x.fillRect(880+(a+t*X)*73,1200-(b+t*Z)*23,9,9))a=X-X*t,b=Z-Z*t,Z+=(X*Y-Z)/39,X+=(Y-X)/9,Y+=X*(27-Z)/90

Jan 25 2021 11:26 PM UTC

}// 138/140

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Animated #Lorenz Attractor Loop

u/KilledByAPixel

could be c.width|=t%=X=Y=Z=1