Dweets awesomed by u/highfestiva

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: #ScaryMovies

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Agnes

function u(t) {

with(x)for(l=1600;l--;T=l%100)F=t+25*S(l+t/T),fillStyle=R(q=1e4/T,l/(h=T+T/12),q,.01),beginPath(fill()),arc(960+T*F*C(h),540+T*F*S(h),T,0,7)

May 29 2018 10:40 AM UTC

}// 140/140

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I was trying to make a lotus flower thing but it turned into a 90s tie-dye pattern instead.

u/magna

Nice!

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joeytwiddle

function u(t) {

for(c.width|=k=511;k--;x.fillRect(960-W-500*S(j/41)*C(a),960-j*(i+S(a)),2*W,9))i=k>>5,j=k%32,x.fillStyle='#f7f'+j/5,W=99*S(j/10)*S(a=t+i*17)

May 29 2018 10:12 AM UTC

}// 140/140

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Happy Vesak! https://en.wikipedia.org/wiki/Vesak

u/joeytwiddle

Here is the colourful 3d version: https://codegolf.tk/a/270
u/fujimotos

Lotus!
u/hollo47

This is absolutely beautiful!
u/lionleaf

Amazing! #vesak #flower
u/aleamb

great!!

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Feiro

function u(t) {

eval(unescape(escape`潮捬楣欽弽㹻瀽湥眠䅵摩潃潮瑥硴⠩㭯㵰⹣牥慴敏獣楬污瑯爨⤻漮捯湮散琨瀮摥獴楮慴楯温㭯⹳瑡牴⠩㭦潲⡲㴱㈹㭲ⴭ㬩漮晲敱略湣礮獥瑖慬略䅴呩浥⡲㸾㜿〺㐴〪ㄮ〵㤴⨪⡲☱㼭㐺⡔帽㌩⬨爾㸵☱⤩Ⱳ⼹⥽`.replace(/u(..)/g,"$1%")))

May 28 2018 11:01 AM UTC

}// 139/140

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Click the canvas to be Thunderstruck! ⚡⚡

Show more comments…
u/Feiro

#audio #compressed
u/sigveseb

very nice ^^
u/S.T.L.K.R.

https://www.youtube.com/watch?v=uT3SBzmDxGk
u/highfestiva

Wooaaa! :D
u/sukkamehu

how does this work
u/katkip

This is awesome

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prplz

remix of d/8154 by u/Xen

function u(t) {

r=Math.random
for(i=666;i--;x[S(((22-y)**2+(13-z)**2)**.35+t)**2>.8?'clearRect':'strokeRect'](y*T,z*T,T=44,T))y=r()*T,z=r()*T

May 26 2018 12:52 PM UTC

}// 125/140

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Thanks Xen for the strokerect, it makes really cool textures

u/firegodjr

Looks like pencil crosshatching!

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41407

function u(t) {

w=c.width|=0
x.fillRect(0,0,w,w)
x.strokeStyle=R(w,255*C(t),w*S(t))
for(i=w/10;i--;)x.lineTo(w/2+C(t*i/50)*5*i,w/4+S(t*i/50)*5*i)
x.stroke()

Jan 25 2018 9:30 AM UTC

}// 140/140

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Xen

remix of d/6334 by u/BackendForth

function u(t) {

c.width|=w=33
v=(i,j)=>x.lineTo((i+j)*w,w*j+S((i*i*j*j)**.4+t*9-i+j)*w)
for(i=w*w;i--;x.fill(v(a,j-1)))x.beginPath(),v(a=i%w,j=i/w),v(a-1,j)

Jan 22 2018 4:11 PM UTC

}// 140/140

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try angles.

u/sigveseb

sweet
u/donbright

kewl

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sigveseb

function u(t) {

t||(c.outerHTML='<marquee>Blast from the past :)')

Dec 31 2017 3:16 AM UTC

}// 50/140

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Marquees used to be the bees knees

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Xen

remix of d/4365 by u/jbl

function u(t) {

for(c.width|=Z=i=2e3;--i;x.fillRect((C(p)*650)%Z+S(t*9)*99+1e3,i*(1+C(t*3)/9)%Z-99,S(p)*90,90))x.fillStyle=R(Y=i/9,Y*S(i+t),Y*C(i),S(p=t+i))

Dec 28 2017 3:38 PM UTC

}// 140/140

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Shoutz to jbl

u/jbl

nice!
u/Xen

thanks :-)
u/joeytwiddle

#shiny

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Xen

remix of d/4132 by u/bkardon

function u(t) {

for(X=k=199;k--;x.fillRect(r*C(t-k)+960,r*S(t-k)+540,9,9))r=t*X*2%1e3,x.fillStyle=R(k,X*C(t*k/X)%X,X*S(t*9),.1)

Dec 27 2017 8:12 PM UTC

}// 111/140

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u/bkardon

Nice remix!
u/Xen

thank you, 15seconds+ to kick in, i always do slow ones :-P

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Xen

remix of d/3687 by u/nystrand

function u(t) {

for(c.width|=j=45;j--;)for(i=45;i--;x.lineTo(C(w=3*t+i/7)*r+1e3,S(w)*r+r))r=j*j+C(t*j/2)*S(i)*(j%5&i|t*9%1e2);x.fill('evenodd')

Dec 26 2017 8:43 PM UTC

}// 127/140

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another slow one, give it 15seconds

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