Dweets awesomed by u/jellyedwards

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.

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pavel

remix of d/15511 by u/katkip

function u(t) {

with(x)for(c.width|=i=7,translate(960,540);i--;fillRect(-2e3,-2,4e3,4))rotate(q=Math.PI/7),beginPath(fill(arc(S(t+i*q)*500,0,50,0,7)))

Aug 25 2019 2:28 AM UTC

}// 134/140

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u/aleamb

relaxing!
u/katkip

thx for more precision

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django

function u(t) {

w=c.width*=1
x.translate(w/2,540)
for(i=0;i<50;i++)for(j=0;j<50;j++)z=t+j+i,x.rotate(j-i+t/1e4),x.fillRect(S(z/2)*2+i*2,C(z/2)*450,5,5)

Aug 22 2019 7:29 AM UTC

}// 136/140

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Orbit

u/aleamb

cool!

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django

function u(t) {

w=c.width*=1;k=80;f=w/k;
for(i=0;i<k;i++)for(j=0;j<k;j++)p=j/k,x.fillStyle=R(0,p*255,p*128),x.fillRect(i*f,540,f,(1-p)*S(C(t+j)+i/10+j)*540)

Aug 20 2019 5:33 AM UTC

}// 140/140

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wavey

u/13thptr

nice style
u/katkip

nice

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rodrigo.siqueira

remix of d/15411 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=0;i++<r;x.globalAlpha=.05)x.fillRect(a-=S(Φ),b-=C(Φ),s=r/42,s)
r>8&&v(a,b,Φ+S(t*i**9)/4,r*=.9)}
v(960,540+300*C(t),t,99)

Aug 20 2019 1:03 AM UTC

}// 140/140

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Dendritic projections

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DataMeta

function u(t) {

if(t<8)for(i=2e3;i--;)Q=(h=i-960)*h/4.2e5-2,
x.fillStyle=R(l=t*i/18%224,S(t)*i/11,224-l),
x.fillRect(40+i,540+S(t-l/18)*l*Q,10,10)

Aug 18 2019 5:11 AM UTC

}// 130/140

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#waitforit

u/13thptr

stylish

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TheYoungBard

function u(t) {

c.width=1920
for(i=0;i<96;i++)
x.fillRect(850+S(t-i*3.14/16)*300,600+C(t-i*3.14/12)*300,9,9)

Aug 14 2019 12:21 PM UTC

}// 92/140

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Pretzel (Lissajous Curve)

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django

function u(t) {

w=c.width=1920
h=540
l=100
x.lineWidth=10
x.beginPath()
m=20
n=80
for(i=0;i<l;i++)
x.lineTo(w/2+S(i/m*l+t)*i*5,h+C(i/n*l+t)*i*5)
x.stroke()

Aug 14 2019 8:55 AM UTC

}// 139/140

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Surface. change the values of m and n to modify behaviour, comment cool ones you find

u/taupelink

m=180,n=16 is simple but kind of hypnotic
u/hope4tg

m=(350/C(t)) + S(t), n=(350/C(t)) + C(t) smaller the 350 gets the more intertwined the end shape becomes

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rodrigo.siqueira

remix of d/14415 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
v=(a,b,Φ,r)=>{for(i=0;i++<r;)x.clearRect(a-=S(Φ),b-=C(Φ),s=r/9,s)
r>8&&v(a,b,Φ+S(t*i**9)/2,r*=.9)}
v(940,1e3,0,99)

Aug 14 2019 1:21 AM UTC

}// 138/140

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Tesla rays #organic

u/KilledByAPixel

Φ

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taupelink

remix of d/14116 by u/rodrigo.siqueira

function u(t) {

t?t<1.2?x.drawImage(c,0,!x.fillRect(!x.rotate(1.5708),q=frame,h,t),h*2,h*2):0:x.translate(960,h=540);x.fillStyle='#'+'00369F'.substr(q%4,3)

Aug 13 2019 1:26 AM UTC

}// 139/140

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A colorization of sorts, for d/14116

u/tomxor

Nice, looks more like microcircuitry with colour.

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sarahkittyy

function u(t) {

c.width^=0;typeof v!='object'?v=[]:v.push([960,1e3,C(t*9)*9,10]);for(p of v){p[0]+=p[2];p[1]-=p[3];p[3]-=0.06;x.fillRect(p[0],p[1],9,9)}

Aug 11 2019 4:45 AM UTC

}// 136/140

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particles~

u/aleamb

nice!
u/robbyg

A 105b version: c.width^=0 t||(v=[]) v.push([960,1e3,C(t*9)*9,10]) v.map(p=>x.fillRect(p[0]+=p[2],p[1]-=(p[3]-=.06),9,9))

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