Dweets awesomed by u/ds0

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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Current theme challenge: #Opposites

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pavel

function u(t) {

for(c.width|=i=20;i--;x.rect(-r,-r,2*r,2*r))r=(i-3*t%2)*60,r*=r>0,x.setTransform(1,0,0,1,960,540),x.rotate(S(r/500))
x.fill('evenodd')

Feb 12 2019 9:15 AM UTC

}// 134/140

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pavel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𬐽𛠵𜠬𪠽𝰻𬠽𝰵𚡪𛐭𞰩𩡯𬠨𨱬𩑡𬡒𩑣𭀨𛠮𛡯👛𞐶𜀭𬠬𝐴𜀭𬠬𬠪🐲𛁲𧐩𛁣𫁩𬀨𬡥𨱴𚀮𛠮𫰩𚐬𪐽𜐲𞱩𛐭𞱦𪑬𫀨𨑲𨰨𞐶𜀬𝐴𜀬𬠬𨐽𭀪𚀸𛑪𚐯𜐶𚱩𚡱𛁡𚰽𬐯𜠩𚐩𨡥𩱩𫡐𨑴𪀨𚐬𫑯𭡥𥁯𚀹𝠰𛀵𝀰𚐻`.replace(/u../g,'')))

Feb 11 2019 9:04 PM UTC

}// 133/140

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➰ #beesandbombs

u/pavel

179 with(x)for(c.width|=q=.52,j=7;r=75*j--;)for(clearRect(...o=[960-r,540-r,r*=2,r]),clip(rect(...o)),i=12;i--;fill(arc(960,540,r,a=t*(8-j)/16+i*q,a+=q/2)))beginPath(),moveTo(960,540)
u/BuRRak

It shows 223/140 for me, Chrome 72.0.3626.96
u/pavel

This was compressed using d/11852
u/pavel

#compressed

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ycjung

function u(t) {

c.width|=0;for(i=0;i<100;i++)for(j=0;j<10;j++){x.fillRect(960+i*10*S(j),540+i*10*C(i*(S(t/20))),i%(j*j),i*j/10);}

Feb 11 2019 3:28 PM UTC

}// 113/140

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False sense of space

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23_Skidoo

remix of d/12291 by u/23_Skidoo

function u(t) {

for(s=24,d=360,i=4e3;i--;f=(C(X)*s+Y)/d-t,x.fillStyle=`hsla(${S(f)*d} 66%${C(f*9)*C(f*s+t)*51+Y/d*8}%`)x.fillRect(X=i%82*s,Y=~~(i/82)*s,s,s)

Feb 11 2019 9:11 AM UTC

}// 140/140

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u/pavel

FYI the trick of not putting a delimiter between s and l in the hsl call does not work in Safari, its all just black.
u/sigveseb

Kinda looks like a knitted sweater :)

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robbyg

function u(t) {

f=(X,Y,w)=>{var W=w/2,h=X-W,v=Y-W
x.rect(h,v,w,w)
if(W>9)f(h,v,W),f(h+w,v,W),f(h,v+w,W),f(h+w,v+w,W)}
t||f(960,540,540)
x.fill('evenodd')

Feb 11 2019 1:07 AM UTC

}// 137/140

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#recursive squares

u/robbyg

Thanks u/katkip for the recursive examples
u/katkip

Beautiful
u/robbyg

133: f=(X,Y,w,W,h,v)=>(W=w/2)>4&&(x.rect(h=X-W,v=Y-W,w,w),f(h,v,W),f(h+w,v,W),f(h,v+w,W),f(h+w,v+w,W)) t||f(960,z=540,z) x.fill('evenodd')

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rodrigo.siqueira

function u(t) {

c.width|=X=Y=Z=6;for(i=3e3;i--;)
X+=.1*(Y-X),
Y+=.01*(X*(29-Z)-Y),
Z+=.01*(X*Y-1.6*Z),
x.fillRect(960+X*30+Y*C(t*2)*10,1130-Z*22,6,9)

Feb 11 2019 12:26 AM UTC

}// 133/140

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Butterfly effect using Lorenz nonlinear equations with chaotic behavior. #Lorenz #attractor

u/katkip

#cute btw

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katkip

function u(t) {

c.width^=d=[];q=50*t|0;for(k=q;k--;)d.push((C(k*k)*3))
for(i in d.sort(g=(a,b)=>a-b))x.fillRect(1920/q*i,540+S(d[i]*d[i]+t)*300,2e3/q,999)

Feb 10 2019 3:10 PM UTC

}// 138/140

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Fluid sin, thx u/Undefined for golf help

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21medals

remix of d/12276 by u/21medals

function u(t) {

if(!t)for(d=[m=n=w=i=250];i--;)d[i]=i**9%999
for(c.width|=i=w;i--;)x.fillRect(i*8,0,8,d[i])
d[m]<(q=d[m+1])&&d.splice(m,2,q,d[m++])||(m=--n)

Feb 10 2019 3:06 PM UTC

}// 140/140

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Very slowly sorting 250 values using insertion #sort

u/katkip

#slow

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21medals

remix of d/12273 by u/21medals

function u(t) {

if(2>(n=frame%(i=1e3)))for(d=[];i--;)d[i]=i**9%540
for(c.width=i=999;i--;i<n&&d[i]<(q=d[i+1])&&d.splice(i,2,q,d[i]))x.fillRect(i,0,1,d[i])

Feb 10 2019 2:17 PM UTC

}// 138/140

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Slowly sorting 1000 values using insertion #sort

u/katkip

Cool

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geb

remix of d/12249 by u/pavel

function u(t) {

n=99;for(c.width|=p=710/113,x.scale(9,9),i=n;j=i--*p/n;x.arc(n+15*C(A=t/n+i*p/3),66+15*S(A),n/3,a=(j-t),a+1));x.stroke()

Feb 10 2019 12:48 PM UTC

}// 120/140

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