Dweets awesomed by u/IV

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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tomxor

remix of d/18323 by u/pavel

function u(t) {

f=(x,y,n=w)=>x<n?f(x*x-y*y-.8,2*x*y+.2,n-1):S(n/9)
for(w=c.width=99,i=6e3;i--;)
x.fillRect(X=i%w,Y=i/w,1,f((X-49)/t**8,(Y-28)/t**8-.703956))

Apr 22 2020 7:38 PM UTC

}// 140/140

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#zoom #julia #fractal

u/tomxor

Including x<n and .2i from u/rodrigo.siqueira
u/xem

amazing! how many extra bytes to have it less pixellized?
u/tomxor

Only +2 for 1/4 HD: d/18436 but your CPU will cry :P in fact full HD fits but you have to start measuring the speed in seconds per frame.
u/iverjo

Impressive!

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rodrigo.siqueira

remix of d/18262 by u/KilledByAPixel

function u(t) {

c.style.filter=`sepia()invert(`
for(P=j=2e4;j--;j%99||(T=P=S(t+j)*2,R=C=T*2))
P=P*P-C*C+(C=2*C*P+R,T),x.fillRect(C*450+960,P*450+700,1,1)

Apr 15 2020 12:59 AM UTC

}// 137/140

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Particle collision inside a hadron collider #particles

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joeytwiddle

remix of d/12003 by u/joeytwiddle

function u(t) {

for(c.width|=j=20+t|0;j-->t;)for(g=(j-t)*120,i=W=99;i--;)x.fillRect(i?g+i*i/70*S(1e3/i-t*8+j**3):g,700+!!i*i*4,-W-80*S(j*j),i?6:-300-W*S(j))

Apr 5 2020 11:50 AM UTC

}// 140/140

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River cruise remix #water

u/KilledByAPixel

👍

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iznax

function u(t) {

for(i=900;i--;)
X=(S(i*4+t)**2)*2e3,
Y=((C(t*i)+1)*1e4)%1050,
g=120+S(t/2)*96+Y/3,
x.fillStyle=R(w=S(t*i)<0?0:g/8,w,g),
x.fillRect(X,Y,48,6)

Apr 4 2020 5:54 AM UTC

}// 140/140

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Light #dancing on water

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katkip

function u(t) {

c.width=185;x.font='2em"';x.fillText([`♪┏1┛♪`,`♪┗1┓♪`][(t%2)|0].split(1).join([`(･ o ･)`,`(･ - ･)`][(2*t%2)|0]),3,60)

Apr 2 2020 12:13 PM UTC

}// 117/140

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#dancing #text ┏(・o・)┛

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pavel

function u(t) {

for(i=1920;i--;x.fillRect(i&-T,i%T*T,T=32,T))x.fillStyle=`hsl(${T*t},99%,${u[i]=u[i]*.94+T/Math.hypot(i/T-T-C(3*t)*20,i%T-16-S(4*t)*9)||0}%`

Apr 2 2020 4:46 AM UTC

}// 140/140

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Flare

Show more comments…
u/pavel

Inspired by https://twitter.com/ntsutae/status/124366720…
u/jylikangas

Lovely use of an array for the trail effect!
u/BriSeven

hypot?! WHAAAT how long has THAT been there?
u/katkip

this is actually easier than it looks
u/sigveseb

Looks very pretty :)
u/aleamb

amazing!
u/rodrigo.siqueira

It reminds me the light and movement of this Fluid Simulation https://paveldogreat.github.io/WebGL-Fluid-S…
u/Scaledish

hell, it looks better than the fluid simulation
u/joeytwiddle

#glow #worm

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KilledByAPixel

function u(t) {

with(x)fillStyle=strokeStyle='#0482',setLineDash([200,20]),
font='34em"',t<1&&x[!t?'fillText':'strokeText']('GLASS',99-t*40,700+t*30)

Mar 19 2020 4:32 PM UTC

}// 133/140

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#GLASS

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DaSpider

function u(t) {

c.width|=p=function(h,i,j,k){x.font=i+'em a';x.fillText(h,j*10,k*10)}
p("_____",25,50,l=32-30/t)
p("√-(    )²",25,29,l+44)
p("💩𝑖",18,72,70)

Mar 19 2020 12:09 AM UTC

}// 139/140

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💩 JUST GOT REAL

u/katkip

#joke #text #emoji
u/danny@hille.dk

:-)

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KilledByAPixel

function u(t) {

with(x)for(r=m=>C(++h)*m,t||fillRect(0,0,i=h=2e3,h),translate(w=960,540);i-->0;clearRect((z=i%19)*i,a=r(z?89:-1),r(z?4:w),-2*a))rotate(r(h))

Mar 4 2020 6:29 PM UTC

}// 140/140

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Cracked #Glass 🔨+🖥️

u/katkip

Nice idea
u/DataMeta

Cool!

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tomxor

remix of d/17761 by u/ElisionFR

function u(t) {

c.width=innerWidth
n=t?n.map(([A,B,X,Y])=>[A,B+.6,X+A/4,Y+B/4,x.fillRect(X,Y,3,3)]):[]
onmousemove=({x,y})=>n[t*60&255]=[x-C,y-S,C=x,S=y]

Feb 27 2020 12:12 AM UTC

}// 137/140

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#interactive #particles #physics

u/tomxor

lol nmap
u/katkip

Awesome!
u/aleamb

amazing!
u/DataMeta

haha dude niice

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