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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LimeLaser

function u(t) {

c.width|=0
r=Math.random
p=t?p.map(([i,j,u,v]=[2e3*r(),2e3*r(),2*r(),4*r()])=>[(i+u)%2e3,(j+v)%2e3,u,v,x.fillRect(i,j,8,8)]):[...Array(4e3)]

Mar 14 2019 5:42 AM UTC

}// 140/140

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Infinite Snowfall (Which Goes Right Because Modulo)

u/Jezza

Squeezed in some snow that floats left. ❄️❄️❄️ https://www.dwitter.net/d/12751

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yokljo

function u(t) {

c.width|=0
for(i=0;i<540;++i)y=t*5-i*5,o=400-i,x.fillRect(960-o/2+S(y)*100,i*2,o,2)

Mar 12 2019 5:34 PM UTC

}// 83/140

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Try going fullscreen and staring at this. Not so nice anymore is it?

u/katkip

Still nice

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katkip

function u(t) {

r=(X,Y,s)=>{x.fillRect(X,Y,9,-s*8);if(s>1)r(X-s*4,Y-s*2,s/2),r(X+s*4,Y-s*2,s/2)};r(960,960,100)

Mar 7 2019 6:00 PM UTC

}// 95/140

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#recursive

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katkip

remix of d/12663 by u/katkip

function u(t) {

t||(X=y=1)
f=x=>C(x+t)*S(x*4)*S(x*9)*x/200
for(i=999;i--;)x.fillRect(960+X*10,540+y*10,1,1),y+=f(X),X+=f(y)

Mar 6 2019 4:41 PM UTC

}// 107/140

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pavel

remix of d/12626 by u/qm3ster

function u(t) {

for(w=i=3e3;i--;x.fillRect(p[0]+=S(a=++t*i),p[1]+=C(a),4,4))p=u[j=i>>5]=u[j]||[a=i*i%2e3,b=a**3%1080,R(0,a/8,b/4)],x.fillStyle=p[2]

Mar 6 2019 7:38 AM UTC

}// 131/140

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Don't mind me, just testing my old markers

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rodrigo.siqueira

remix of d/12319 by u/rodrigo.siqueira

function u(t) {

X=Y=Z=T(t)
for(i=2e3;i--;)x.fillStyle=`hsl(${Z*4},43%,38%,35%)`,X+=(Y-X)/9,Y+=X-X*Z/89,Z+=(X*Y-Z)/199,x.fillRect(960+X*24,Z*15-800,1,1)

Mar 5 2019 10:36 PM UTC

}// 135/140

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Lorenz Colors #attractor #lorenz

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andrea270872

function u(t) {

u.x=u.x+u.v||8
u.v=u.v||4
u.v*=(4<u.x&u.x<180)?1:-1
c.width=192
a=50+S(t)*50
b='fillRect'
x[b](2,a-5,3,9)
x[b](185,a-2,3,9)
x[b](u.x,a,3,3)

Mar 5 2019 4:41 PM UTC

}// 139/140

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PerfectPong for 2

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Xen

remix of d/12619 by u/Nexrem

function u(t) {

z=950;for(c.width|=i=2e3;i--;x.lineTo(z+C(i-1)*z,540+S(t+i/3)*540))x.moveTo(z+C(i)*z,540+S(t-i/.6)*540);x.stroke()

Mar 5 2019 1:24 PM UTC

}// 114/140

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u/Nexrem

Nice, I tried something similar but didnt have enough chaes to scale the timing down for a smooth animation

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missfabulous

function u(t) {

c.width=1920 // clear the canvas
x.fillStyle='rgba(255,0,100,'+Math.abs(S(t))+')'
x.arc(960,600,Math.abs(S(t))*400,0,2*Math.PI)
x.fill()

Feb 27 2019 11:53 PM UTC

}// 136/140

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u/pavel

Tip: you can just do x.fillStyle=R(255,0,100,Math.abs(S(t)))
u/Undefined

#heart #heartbeat

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digi_bytes

function u(t) {

for(i=-24;i++;){s=S(t);n=960;b=540;c=C(t)
x.fill(x.strokeRect(n+s*n,b+c*b,s*i,T(t*i*t)*i))
x.fill(x.strokeRect(n+s*260,b+c*180,s*i,s*12))}

Feb 27 2019 10:39 PM UTC

}// 138/140

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Got the eyeball down to under 140 chars!