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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lars-erik

remix of d/22623 by u/lars-erik

function u(t) {

c.width=w=167,f=n=>n|0,o=f(t*30+S(t)*50),b=45
for(z=w;z--;)for(y=96;y--;)if(f((z+o)*(y+t*50*S(t/2.5)|0))%b==0)x.fillRect(z-1,y,4,4)

Apr 24 2021 3:22 PM UTC

}// 131/140

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I have no idea what I'm doing™ #4.7

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clavigne

function u(t) {

a=(c.height=1080)/2;x.translate(960,a);for(n=1;n<99;n++){x.rotate(30*(r=a*S(n)**2)/a);w=20*S(s=t+n+r);x.fillRect(r*C(2*s+1.6),0,w,w)}

Apr 19 2021 8:06 PM UTC

}// 133/140

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u/deltuhvee

Oort Cloud
u/magna

125: a=(c.height|=0)/2;x.translate(960,a);for(n=99;n--;x.fillRect(r*C(2*s+1.6),0,w,w))x.rotate(30*(r=a*S(n)**2)/a),w=20*S(s=t+n+r)

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KilledByAPixel

function u(t) {

with(x)fill(arc(X=2e3*Math.random(beginPath(globalCompositeOperation='xor')),X*X%1e3,t?9/t:2e4,0,7))

Apr 14 2021 3:41 AM UTC

}// 100/140

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Negative Space

u/mrfoogles

xor is cool.
u/KilledByAPixel

xor is the bestor! :)

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danny@hille.dk

function u(t) {

for(c.width|=i=204;i--;)x.beginPath(x.fillRect((i/9|0)*89,i%9*225,44,-(90+C(t))*2*C(i*i+t)**2))

Apr 13 2021 6:54 PM UTC

}// 95/140

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u/Xen

nice!
u/mrfoogles

#default

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taupelink

remix of d/22448 by u/taupelink

function u(t) {

for(i=k=840;--i;x.fillRect(t*X*C(Y),k-X*S(Y),q/t,i/t/t))f=i*t,X=f*f%k*2,Y=X*f%6.3,x.fillStyle=R(q=i*C((X/9)**C(Y))/t**Y,X%q,X*S(q/k+Y),.1)

Apr 12 2021 3:25 PM UTC

}// 138/140

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d/22452

u/rodrigo.siqueira

I visited this place! It's Monet's pond in Giverny, France. #art
u/rodrigo.siqueira

#monet

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mxfh

remix of d/22389 by u/mxfh

function u(t) {

d=x.getImageData(o=-1,0,w=c.width=256,h=128)
for(i=b=64;i>-b;i--)for(j=h;j>-h;j--)d.data[o+=4]=((i*j)%~(T(t)*b-i))**8
x.putImageData(d,0,0)

Apr 11 2021 1:31 AM UTC

}// 139/140

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u/EliteDaMyth

for(d=x.getImageData(o=-1,0,w=c.width=256,h=128),i=b=64;i>-b;i--)for(j=h;j>-h;j--)d.data[o+=4]=(i*j%~(T(t)*b-i))**8 x.putImageData(d,0,0) 137
u/EliteDaMyth

for(d=x.getImageData(o=-1,0,w=c.width=256,h=128),i=b=64;i-->-b;)for(j=h;j>-h;j--)d.data[o+=4]=(i*j%~(T(t)*b-i))**8 x.putImageData(d,0,0) 136
u/mxfh

for(d=x.getImageData(o=3,b=i=64,w=c.width=256,h=128);i-->-b;)for(j=h;j-->-h;)d.data[o+=4]=(i*j%~(T(t)*b-i))**8 x.putImageData(d,0,0) 132

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RallerenP

function u(t) {

c.width=1920;
for(i=18;i--;i&1?x.fillRect((p=500+i/2*100)+(o=S(t)*400),500,50,100):x.fillRect(p-o,400,50,100));

Mar 25 2021 2:49 PM UTC

}// 112/140

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u/Xen

nice!
u/aleamb

#default

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Xen

remix of d/22066 by u/sasaso7

function u(t) {

c.style.filter="invert("
for(c.width|=i=499;i--;x.arc(1e3+C(z=i/99*t)*i/4,540+S(z)*i/3,i*2,0,9))x.beginPath(x.stroke())

Mar 21 2021 10:19 PM UTC

}// 119/140

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quick play

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go_rs

function u(t) {

x.fillStyle='#158'
x.fillRect(0,0,2e3,2e3)
for(i=1080;i--;)x.clearRect(i*2,T(i)*T(i)*237,T(t*i)*2,C(t*i)*5)
x.globalAlpha=0.008

Mar 20 2021 12:06 AM UTC

}// 129/140

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big city lights

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KilledByAPixel

remix of d/22036 by u/KilledByAPixel

function u(t) {

t?n++:n=0
if((t*=60)<256)for(z=i=0,Y=49+(t>>4)*63,X=t%16*114+99,x.fillText(n,X,Y+29);i++<2048;)x.fillRect(X-=C(z+=n&i),Y+=S(z),1,.2)

Mar 18 2021 9:56 PM UTC

}// 132/140

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Standardized chart of a+=n&i, x+=cos(a), y+=sin(a), change n=0 to see more

u/kian

Such a beautiful exploration you have going!
u/KilledByAPixel

Thank you, this is a fun series to explore, starting to get a good feel for how it works.
u/KilledByAPixel

Because i is 2048, this one repeats every 2048.
u/Tekmap

amazing