Dweets awesomed by u/zanella

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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Agnes

remix of d/9088 by u/firegodjr

function u(t) {

F=n=>C(n)^T(n/t|0);x.drawImage(c,0,l=9);for(j=214;j--;)x.fillStyle='#'+F(j+t*60^-t*60+j).toString(16).padStart(3,'0'),x.fillRect(j*l,0,l,l)

Aug 4 2018 10:24 AM UTC

}// 139/140

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Fractal Metropolis 1972

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u/katkip

Wow
u/joeytwiddle

Looks so cool and cyber, then come silly green smiley faces
u/katkip

That actually looks like a GOL
u/iverjo

Wow! Interestingly, this is the result of a long remix chain
u/fujimotos

The loop starts here: d/8940
u/donbright

i want a sweater like this
u/tomxor

I love this one!

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katkip

remix of d/8963 by u/Agnes

function u(t) {

F=n=>{return(C(n)^T(n/13.37))%3-1<1};x.drawImage(c,0,l=9);for(j=214;j--;)x.fillStyle=F(j^t*60)?"#000":"#fff",x.fillRect(j*l,0,l,l)

Aug 3 2018 5:28 PM UTC

}// 130/140

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Square Universe

u/joeytwiddle

Very nice! Add t+=3000; to explore later patterns
u/magna

Circuit board colors: "#362":"#bb3"
u/katkip

#tagfail
u/joeytwiddle

Similar vibe to this one: d/6065

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katkip

remix of d/4206 by u/anykey

function u(t) {

c.width|=0
x.font='200px courier'
x.fillText('ฅ     ฅ',610,650+S(t*2)*30);
x.fillText('^•ﻌ•^',730,650);

Aug 3 2018 10:40 AM UTC

}// 103/140

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It glitched on line 4. Awesome! First working error on dwitter

u/d0n.key

Looks like my dog but it's because he's autistic
u/sigveseb

What is going on with line 4? Some RTL trickery?
u/katkip

#bug

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mangoose

function u(t) {

c.width|=0
x.lineWidth=3
for(i=0;i<(p=Math.PI)*10;i+=(1/(2*p)))
x.lineTo(960+(S(t+i*18)+C(i*4.5+t*.6))*250,540+480*C(t/2+i*9))
x.stroke()

Aug 3 2018 3:03 AM UTC

}// 137/140

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u/Qwitter

attractive shape

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d0n.key

function u(t) {

c.style.backgroundColor="#000"
r=Math.random
x.fillStyle="red"
x.font="99px'"
x.rotate(1)
x.fillText("HA".repeat(r()*5),r()*(l=2000),r()*l)

Aug 2 2018 10:51 AM UTC

}// 139/140

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u/katkip

HAHAHAHA
u/katkip

:(

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iverjo

remix of d/8988 by u/katkip

function u(t) {

C=1e3;for(i=99;i--;)for(j=40;j--;)Y=3+S(i/3)*S(j/5+t*3),x.fillStyle=R(0,Y*50),x.fillRect(C+C*(i-t-25+S(t)*2)/j,C*Y/j,s=999/j,s)

Aug 1 2018 5:07 PM UTC

}// 127/140

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#landscape #perspective

u/magna

🐑

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firegodjr

remix of d/8945 by u/firegodjr

function u(t) {

F=n=>{for(i=2;i<n;)n=n%i++==0?0:n;return R(S(n)*n,n>1?99:0)}
x.drawImage(c,0,l=10)
for(j=214;j--;x.fillRect(j*l,0,l,l))x.fillStyle=F(j^t*60)

Aug 1 2018 3:18 PM UTC

}// 140/140

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is_prime(x XOR y) + sin(x XOR y) :D

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joeytwiddle

remix of d/8414 by u/joeytwiddle

function u(t) {

t=9+t/5e2;for(c.width|=0,i=4e3;i--;x.beginPath())x.globalAlpha=.05,x.arc(S(i*i/1e4*t)*i/3+960,C(i*i/1e4*t)*i/4+540,i/30+2,0,7),x.fill()

Aug 1 2018 2:30 AM UTC

}// 135/140

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Eye of the storm #heavy

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u/aleamb

wow!
u/iverjo

This is so cool! Also, in fullscreen it looks like the innermost part of the storm is slowly rotating clockwise #opticalillusion
u/katkip

#storm #clouds
u/magna

This is nuts!
u/Xen

Love It!
u/lionleaf

Times out on my phone. We should increase the timeout limit somewhat
u/joeytwiddle

In the end, we did!
u/joeytwiddle

Many of the start points exhibit patterns, e.g. t=98.99+t/2e2
u/vain

WTF? Amazing!
u/joeytwiddle

This was a happy accident. I was drawing a spiral, and thought "What if the arms rotate with i*i instead of i?" Of course, this makes the outer points spin faster, and distributes the points semi-randomly.

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katkip

remix of d/5194 by u/JonasPeeters

function u(t) {

c.width=2e3
for(i=0;i<999;i++){
x.fillRect(S(i+t/5)*(C(i*t/999)+1.5)*350+960,C(i-t*5)*(S(i/99)+1.5)*60+700,15,(C(i+t/5)+1)*4+t)
}

Jul 31 2018 10:50 PM UTC

}// 130/140

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katkip

function u(t) {

cx=1e3
for(i=99;i--;)for(j=40;j--;)X=i-t-25+S(t)*2,Y=3+S(i/3)*S(j/5+t*3),x.fillStyle=R(0,0,Y*84),x.fillRect(cx+1/j*X*cx,60+Y/j*cx,s=999/j,s)

Jul 30 2018 10:57 PM UTC

}// 140/140

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