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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perbyhring

function u(t) {

c.width^=0;for(i=0;i<1e3;i++){x.moveTo(v=960+C(i%100+t*S(t/3.14%i))*i,b=540-T(i%(2+t*1e-4)+S(t))*i);x.arc(v,b,20,-1,1);}x.fill();

Jan 25 2018 11:43 AM UTC

}// 129/140

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donbright

remix of d/6160 by u/zanella

function u(t) {

Q=(x,y)=>x*x+y*y
for(i=N=128;i--;)for(j=N;j--;)B=Q(i,j),G=Q(N-i,16-j),P=Q(9-i,N-j),x.fillStyle=R(P%B%G,B%G%P,G%P%B),x.fillRect(i*8,j*8,8,8)

Jan 25 2018 1:02 AM UTC

}// 139/140

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zanella got me thinking more about math... d/6378 was basic color... this doesn't look like much but the theory is interesting to me....a circles-and-squares pseudo fractal, but with the added idea of "centers of gravity" from which the modular arithmetic create patterns against each other. it's incredibly slow so animation is almost pointless. but i like the idea still.

u/iverjo

cobweb

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twchapman

function u(t) {

c.width|=0;k=500
t%=60
for(i=0;i<19;i++){z=C(t+i/3)+.5
x.fillStyle=R(0,0,0,.5+z/2)
x.fillRect(800+S(t+i/3)*k,k-z*20,50,200+z*40)
}

Jan 24 2018 10:20 PM UTC

}// 130/140

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u/joeytwiddle

#default henge
u/UEZ

#carousel

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DirtyDan

remix of d/6409 by u/DirtyDan

function u(t) {

c.width=1920
x.globalCompositeOperation='xor'
for(i=b=540;i>0;i-=3)x.beginPath(),x.ellipse(960+i*S(t+i),i*2,i/b*99,i/b*50,0,0,44/7),x.fill()

Jan 24 2018 8:25 PM UTC

}// 140/140

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u/Qwitter

Mercurial
u/Qwitter

like ⚚
u/donbright

snakes!

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FrenchToast

remix of d/6397 by u/FrenchToast

function u(t) {

c.width|=0;for(i=820;i--;){x.rotate(t/1e3+0.16);x.beginPath();x.arc(1*S(t*2)*S(i/50),2*i,50+i,0,1.5);x.fill();x.fillStyle=R(t%200,i*t%155)}

Jan 23 2018 9:58 PM UTC

}// 139/140

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Blane

function u(t) {

w=c.width|=0;v="Falling Text";x.font="300px a";for(i=0;i<v.length;i++){x.fillText(v[i],i*w/v.length,600-9**(-5*t%20+i+4))}

Jan 23 2018 2:23 PM UTC

}// 122/140

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sj_

function u(t) {

c.width=1920;for(j=6;j<8;j++){for(i=1;i<11;i++){x.fillStyle=R(241,219,20,1-.1*i);x.fillRect(1180+S(t*j)*50*i,90+400/(i*3),i*7,100+i*i*10)}}

Jan 23 2018 2:35 AM UTC

}// 139/140

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Butterfly 2

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@no_identd

remix of d/6354 by u/@no_identd

function u(t) {

c.width^=0
_=96
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+i+j
w=r/.5698403
$=S(r)*_
x.fillStyle=R(w*64,S(w),w*4)
x.fillRect(i*_-$/2,j*_-$/2,$,$)}

Jan 22 2018 7:57 PM UTC

}// 140/140

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u/sigveseb

Very stylish

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BirdsTweetCodersDweet

remix of d/6339 by u/BirdsTweetCodersDweet

function u(t) {

with(x){c.width^=0;v=(X,Y,R)=>[20*C(X+t)*R+960,20*S(Y+t)*R+540]
for(i=0;i<200;i++)lineTo(...v(5*i,5*i,S(t)*i*i/290));stroke()
}

Jan 22 2018 4:32 PM UTC

}// 127/140

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Hi-res :D

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jonathan_b

remix of d/6279 by u/jonathan_b

function u(t) {

for(c.width|=s=i=504;i-=3;x.beginPath())q=S(i)*C(t+i),x.arc(s+s*3*q,s+s/2*S(i),i,0,7),x.lineWidth=i,x.strokeStyle=R(i/q,q*s,i/2),x.stroke()

Jan 21 2018 8:45 AM UTC

}// 139/140

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u/Qwitter

Love this !
u/jonathan_b

thanks!
u/Qwitter

This deserves a couple Dwitcoins: <svg height="40" width="40"><circle cx="10" cy="15" r="9" stroke="#999900" stroke-width="2" fill="#bfbf22" /><text x="7" y="20" fill="#cfcf00">$</text><text x="5" y="20" fill="#eeee00">D</text></svg> <svg height="40" width="40"><circle cx="10" cy="15" r="9" stroke="#999900" stroke-width="2" fill="#bfbf22" /><text x="7" y="20" fill="#cfcf00">$</text><text x="5" y="20" fill="#eeee00">D</text></svg>
u/joeytwiddle

#colors