Dweets awesomed by u/stephanegeorget

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: #Opposites

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taupelink

remix of d/25032 by u/taupelink

function u(t) {

eval(unescape(escape`景爨欽㘴ㄬ洽琿〺㙥㌻洭ⴻ砮獴牯步⠩⥩㵭╫⼵ⱘ㵭⨪㐯㐥欬砮扥杩湐慴栨砮獴牯步却祬攽刨樽椫椪匨洩⨵ⱘ╪Ⱪ⼮㘬洯ㅥ㐩⤬砮汩湥坩摴栽匨堯㈰⭭⤪椬砮慲挨堪㌬欭椪匨洩Ⱘ洭椩⼸〬洬洭⸲⵭┹⼳⤠`.replace(/u([^D].)/g,'$1%')))

Mar 3 2022 2:44 AM UTC

}// 140/140

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d/25066

u/danny@hille.dk

Surf at sunset
u/danny@hille.dk

Live it!
u/danny@hille.dk

... love it...
u/andrea270872

terrific. reminds me of the cover of certain SCI-FI books!

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KilledByAPixel

remix of d/25022 by u/KilledByAPixel

function u(t) {

with(x)fillStyle=t*(a=t<.1)?'#fc0':'#06c',a?fillRect(0,t?540:0,b=2e3,b):clip(rect(0,540,b,b)),font='34em impact',fillText('UKRAINE',45,764)

Mar 2 2022 7:09 PM UTC

}// 139/140

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We Stand With Ukraine 💙💛

u/neimad

F U RUSSIA!
u/vain

Solidarity for Ukraine! (Nice - didn't know the clip effect before.)
u/joeytwiddle

#ukraine #flag

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Meepster99

function u(t) {

f=F=>128*F(t)+128
x.strokeStyle=R(f(S),f(C),0,.3)
x.beginPath()
r=R=>x.arc(960,540,450,3.14*S(t*.90),3.14*C(t*.52),R)
r(0)
r(1)
x.stroke()

Mar 2 2022 4:43 PM UTC

}// 138/140

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idek2

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Meepster99

function u(t) {

for(m=2e3,n=t-t/2,i=0;m--,i<6.28;i+=.001){x.fillStyle=R(m,0,0,.2)
x.fillRect(250*(S(3*i+t)+C(19*i+t))+960,250*(S(3*i+n)+C(19*i+n))+540,2,2)}

Mar 2 2022 3:58 PM UTC

}// 140/140

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idek

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rodrigo.siqueira

remix of d/25020 by u/rodrigo.siqueira

function u(t) {

for(m=1e4;m--;x.fillRect(850+1200*Y,540+i*X*m/25,s=7/t/t,s))X=C(m/t),Y=C(X+m*m+.03/t),v=Y*C(t*t)+1,x.fillStyle=R(i=m%550-50,i*=v*v,i**v,t/5)

Mar 2 2022 3:14 PM UTC

}// 140/140

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Color stardust (poussière d'étoiles)

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joeytwiddle

remix of d/25045 by u/sanco

function u(t) {

c.width=860;x.translate(430,260);m=4e2;for(i=0;i++<m;)x.fillStyle=R(C(t+i)*m,S(t+i*2)*m,S(t+i*3)*m),x.fillRect(-900,i,1800,15),x.rotate(t/9)

Mar 1 2022 1:48 AM UTC

}// 140/140

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Little tweak to sanco's spiral

u/joeytwiddle

Alternative colours: x.fillStyle=hsl(${m*C(i)},99%,50%,.5) x.fillStyle=hsl(${C(i)*50+t*99},99%,50%)
u/joeytwiddle

oops

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rodrigo.siqueira

remix of d/25041 by u/taupelink

function u(t) {

for(m=2e3;m--;x.fill())r=m**.9%400,x.beginPath(x.fillStyle=R(i=m%500,i/2,i/3,i/500)),x.arc(960+r*S(k=i-t/3)*(v=1+.5/t),540+r*C(k)*v,m/i,0,6)

Feb 28 2022 10:18 PM UTC

}// 140/140

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sanco

function u(t) {

c.width=640;for (i = 0; i < 1e2; i++)for (z = 0; z < 1e2;z++)x.fillRect(z*t+S(t)*10,i*t+C(t),2*S(i),5*S(z))/x.rotate(7 * Math.PI / 180);

Feb 28 2022 3:07 PM UTC

}// 136/140

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Explode

Show more comments…
u/danny@hille.dk

Nice! and Welcome to Dwitter :-)
u/danny@hille.dk

suggestion: 7 * Math.PI / 180 can be written as an approximation const: .12 without any significant loss
u/danny@hille.dk

also whenever the order of execution isn't important you can shorten for loops like this: for(i=100;i--;); becaus 0 is falsy, so when i reaches 0 the loop exits
u/danny@hille.dk

you an free up space, so you can center the Explotion like this: c.width=640,x.translate(320,180);for(i=99;i--;)for(z=99;z--;x.rotate(.12))x.fillRect(z*t+S(t)*10,i*t+C(t),2*S(i),5*S(z))
u/danny@hille.dk

this example adds some additional golfhing tricks: 99 is almost 100 :-), use the free slot in the for loop to execute code, you would otherwise execute inside the for loop
u/sanco

Thanks a lot danny! I'm new on this so really appreciate the comments.

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taupelink

remix of d/24975 by u/taupelink

function u(t) {

for(k=541,m=t?0:1e4;m--;x.fill())r=m**5%k,x.beginPath(x.fillStyle=R(i=m%k,i*.7,i/2,i/k)),x.arc(960+r*C(m),k+r*S(m),m*m/k/(9+i),p=r/170,p+3)

Feb 27 2022 9:09 PM UTC

}// 139/140

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d/25040

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rodrigo.siqueira

remix of d/10399 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,m=9e3,2e3);m--;x.fillStyle=R(m*S(m*m+t*3),m%210,Y/2))Y=m/9,x.fillRect(960+C(k=m/2-t/6)*Y*2,540+S(k)*Y+S(Y/99+t)*99,Y/9,9)

Feb 25 2022 9:51 PM UTC

}// 140/140

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Waving surface. Remix of my first dweet (3D Sombrero Equation).

Show more comments…
u/magna

WHOAAAAAA
u/magna

so pretty!
u/tomxor

I hear a mexican wave when looking at this, peaking in the middle :D
u/vain

great code, great colors, great execution !
u/aleamb

brutal
u/pavel

Very nice; sparing chars for the black background adds a lot
u/Renaud___

beautiful
u/cristea

So great!

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