Dweets awesomed by u/ArthurThuczsec

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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jylikangas

function u(t) {

c.width=-1
for(q=j=8;j++<21;T=65+~(t/6)%5*9)for(i=300;i-=2;x.clearRect(i,Y,1,1))x.fillRect(i,Y=j*5+(h=C(i/T)*35+(q+=S(i/j))),j/7,S(t)+T/2-h)

Apr 29 2018 10:22 AM UTC

}// 140/140

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Remote Islands

u/iverjo

Cool! After a while it shows multiple groups of islands
u/iverjo

#water #islands #landscape
u/BuRRak

Making of coming soon i hope
u/donbright

#art

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Cistoran

remix of d/7814 by u/SpecterPainter

function u(t) {

x.fillStyle="#1061"
x.fillRect(0,0,4e4,4e4)
for(i=-9;i<1900;x.fillStyle=`hsl(${i/9%400},99%,60%)`)
x.fillRect(i+=4,540*(1+S(t+i*9)*3),20,30)

Apr 26 2018 9:29 PM UTC

}// 140/140

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SpecterPainter

function u(t) {

x.fillStyle="#3061"
x.fillRect(0,0,2e3,2e3)
for(i=-9;i<1900;x.fillStyle=`hsl(${i/9%214},99%,60%)`)
x.fillRect(i+=3,540*(1+T(t+i/7)/3),21,31)

Apr 26 2018 5:33 PM UTC

}// 140/140

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u/firegodjr

Rainbow carbon fiber!
u/prplz

really cool stuff
u/iverjo

#rainbow

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anthonylewis

remix of d/7718 by u/anthonylewis

function u(t) {

w=c.width^=0
x.globalAlpha=.1
for(i=30;i--;)
Z=w/(i-t%2+1),x.fillRect(960-Z/2,540-Z/2,Z,Z)

Apr 21 2018 1:33 AM UTC

}// 90/140

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u/Agnes

Really classy shades of grey... looks like something you'd see at a museum.
u/BuRRak

This is so satysfing to watch
u/rjro

dat hotline bling dat James Turrell aesthetic
u/BuRRak

This is mindblowing because it is all the same color
u/lionleaf

#tunnel

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Agnes

remix of d/7684 by u/Agnes

function u(t) {

with(x)for(c.width|=i=15;i-->1;)for(j=5;j--;beginPath(),a=6.3/j,arc(960,540,150+25*i,o=i*t-a/2,a+o),lineWidth=2*j+5,stroke());

Apr 16 2018 10:57 AM UTC

}// 126/140

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A slightly more boring version of the previous dweet with colours removed to make the circle segments wrap around each other better. There's probably a way to do colour with this.

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remix of d/7580 by u/rs

function u(t) {

c.width=600;for(i=0,f=100,a=0;i<200;i++,x.fillStyle=R(i+S(i)*200),a=i+(t*50))x.fillRect(f+f/2+i+C(a/30)*f,f+S(a/9)*f,S(i/64)*f,S(i/64)*f);

Apr 5 2018 12:56 AM UTC

}// 138/140

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function u(t) {

c.width=300;for(y=0;y<400;y++){for(i=0;i<10;i++){x.fillRect(90+C(t+y*.01)* 90 + i*10,S((t+y*.01)) * 200 + i*15, 20,1);}}

Apr 3 2018 8:28 PM UTC

}// 120/140

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<99;x.globalCompositeOperation='xor')x.beginPath(x.fill()),x.arc(960+i*T(a=3*S(t)),540+3*C(T(i/120+(a<0?t:-t))),i*5,0,7)

Mar 25 2018 6:22 PM UTC

}// 140/140

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If you want to remix, for extra space delete "a=" and replace "(a<0?t:-t)" with t. That stuff just reverses the direction of the ripple depending on what side it's on.

u/magna

Awesome!
u/DirtyDan

check out d/6724
u/DirtyDan

* d/6812

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magna

remix of d/7404 by u/xem

function u(t) {

t||(c.width=innerWidth);c.onmousemove=e=>B.push([e.x-X,e.y-Y,X=e.x,Y=e.y])
B.map(i=>x.fillText("🔴",i[2]+=i[0],i[3]+=i[1]))};{B=[X=Y=0]

Mar 22 2018 2:32 PM UTC

}// 134/140

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#interactive

u/erin

ok-go WTF vibes

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StarStep

remix of d/7337 by u/p01

function u(t) {

for(c.width=i=W=89;i--;)for(j=0;j++<W;x.fillRect(i,j,1,~z))x.fillStyle=R(z=((d=700/j)*i/W+C(t)&d+t&7)*W/d,z*4,W);x.fillText('🤨',-9*C(t),45)

Mar 16 2018 11:30 PM UTC

}// 139/140

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u/magna

🤨

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