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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joeytwiddle

function u(t) {

s=40+30*((1-C(t/2))**4)
c.width=s
x.font=(s/4)+'px serif';
x.fillText("~\\/0t3*",s/9,s*.4);
c.style.imageRendering=2*t&1?'pixelated':''

Jul 28 2017 8:58 AM UTC

}// 135/140

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Have your say regarding pixelated dweets: https://github.com/lionleaf/dwitter/pull/216

u/joeytwiddle

(The CSS in this dweet works in Chrome and Safari, but not Firefox)
u/joeytwiddle

Although I think the consensus has emerged already.
u/joeytwiddle

A bit clearer: s=40+90*((1-C((t/2|0)/2))**2)

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p01

remix of d/2935 by u/p01

function u(t) {

t?x.fillText(4,Z+=(X+=((Y+=X-(X*Z-Y)/99)-X)/9)*Y/Z-1,99+X):X=Y=Z=1

Jul 24 2017 9:10 PM UTC

}// 66/140

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MICRO-LORENZ

u/p01

Nothing wild really. This is mostly a Dwitter port of http://aem1k.com/lorenz/ which we golfed previously
u/Xen

lorenz64 - #2943,,, he still needs to update that page to my 111b ;-)
u/rodrigo.siqueira

#lorenz #attractor

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jick

remix of d/2912 by u/p01

function u(t) {

r=t+20;
for(i=c.width|=0;i--;){
x.beginPath()
x.fillStyle=`hsl(${i*r},50%,50%)`
x.arc(i%98*19,i*(1-T(i/r)),20,0,6)
x.fill()
}

Jul 20 2017 4:28 PM UTC

}// 125/140

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Xen

remix of d/739 by u/donbright

function u(t) {

for(i=c.width=999;i--;x.lineTo(496+S(t*i)*i,285+C(t*i)*i));x.stroke()

Jul 19 2017 7:31 PM UTC

}// 69/140

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u/lionleaf

trippy
u/Xen

can almost fall into it, dont lean too much...
u/Xen

also, scroll down to pause and look at frames.

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Xen

remix of d/114 by u/stiaje

function u(t) {

x.strokeStyle=R((T*t-2)%(T=255),(T*t)%T,(T*t*2)%T,T);for(i=99;i--;x.stroke())x.rotate(.032),x.beginPath(),x.moveTo(-t*T,-t),x.lineTo(2e4,t);

Jul 18 2017 9:59 PM UTC

}// 140/140

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u/stiaje

Awesome remix!
u/Xen

Thank you :)

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donbright

remix of d/2887 by u/dzozef

function u(t) {

for(i=frame;i--;){a=i%230;y=i/30;x.fillRect(a*9,99+y*5-T(((15-a)**2+(15-y)*2)+t*5)*2,9,9);x.fillStyle=R(a,y,frame);}

Jul 18 2017 2:21 AM UTC

}// 116/140

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with time it sparkles

u/cantelope

I see the sparkles!

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Xen

remix of d/1629 by u/FireFly

function u(t) {

t||x.translate(X=960,X/2,c.onmousemove=e=>X=e.offsetX);for(i=80;i--;x.rotate(X))x.fillStyle=`hsl(${X},80%,${i}%)`,x.fillRect(X,X,X,X)

Jul 16 2017 8:17 PM UTC

}// 133/140

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move mouse :-P

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cesque

function u(t) {

for(j=0;j<400;j+=40)(w=l=>{for(i=0,R=4*l,r=l/2,b=R-r;i<7;i+=0.01){q=(n)=>b*n(i)+(S(t*5)*r*n(-b/r*i));x.fillRect(980+q(C),540+q(S),4,4)}})(j)

Jul 16 2017 5:28 PM UTC

}// 140/140

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u/donbright

elegant work
u/Xen

I think you should see what you helped create: 2890

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cesque

function u(t) {

c.width=999;[0,3,39,3,39,27,3,0].forEach((z,i)=>{for(var j=7,s=16*(S(t)+2);j>=0;j--) {if((z+126&(2**j))>0) x.fillRect(j*s,i*s,s,s)}})

Jul 13 2017 9:27 PM UTC

}// 133/140

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marc8

function u(t) {

c.width=256
d=x.getImageData(i=0,0,89,62)
while(i<3e4)d.data[i++]=T(i*t)<<t
x.putImageData(d,85,44)
x.font="160px l"
x.fillText("📺",60,120)

Jun 24 2017 9:11 PM UTC

}// 139/140

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Ever tried to tune in a C=64?

u/donbright

genius!!!!!!!
u/joeytwiddle

On macOS: x.font="130px l";x.fillText("📺",65,140);x.putImageData(d,85,44)