Dweets awesomed by u/PotatoImaginator

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: #Food

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katkip

function u(t) {

F=n=>{return T(n)*T(n**t)<0};x.drawImage(c,0,l=24);for(j=240;j--;)x.fillStyle=F(j^t^t)?"#fff":"#000",x.fillRect(j*l-99,0,l,l)

Aug 11 2018 5:31 PM UTC

}// 125/140

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Infinite maze

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firegodjr

remix of d/9060 by u/firegodjr

function u(t) {

for(j=214;j--;)for(y=120;y--;)x.fillStyle=R(b=(t*99+(j+y&y-j))%99*2,b,b),x.fillRect(j*9,y*9,9,9)

Aug 2 2018 5:30 PM UTC

}// 96/140

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wbbradley

function u(t) {

c.width=240 // clear the canvas
for(i=0;i<15;i++){
j=i/19.0
x.font=78+i*1.5+'px serif'
x.fillText('🧘‍♂️', 80+30*C(t)*j-i, 90+10*S(t)*j+i)}

Aug 1 2018 2:05 AM UTC

}// 138/140

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Xen

remix of d/8917 by u/Agnes

function u(t) {

with(x)for(c.width|=j=456;j--;fill(arc(960+r*50*S(a=.314*(j%20))+50*S(M=t*S(t-j/500)),540+50*r*C(a)+50*C(M),r,t*M,7)))beginPath(r=~~(j/23))

Jul 23 2018 2:58 PM UTC

}// 139/140

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bit of a play, Shoutz 2 Agnes

u/username

#music

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DataMeta

remix of d/8404 by u/DataMeta

function u(t) {

for(c.width|=i=256;i--;)
x.fillRect(960+Math.PI*i*C(t+i*.989),512+S(t-i)*i*1.941,i/9,i/9)

Jul 10 2018 3:04 AM UTC

}// 89/140

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Golfed and modified

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keithclark

remix of d/8806 by u/keithclark

function u(t) {

for(Z=L=52,c.width=L*4;Q=Z--/9;)for(Y=X=L;X>-L;x.fillRect(X--/Q*9+99,L+U/Q,9/Q,L))Y+=7*C(X/2^Q*2+t*9),x.fillStyle=R(U=Y<L?Y:L,Q*L+U,U/L<<8)

Jul 9 2018 10:15 PM UTC

}// 139/140

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Managed to create a flat sea. Had to trade off the nice distance fog effect.

Show more comments…
u/joeytwiddle

Awesome infinite #landscape
u/lionleaf

Amazing!
u/jylikangas

Love it! Well done!
u/iverjo

Wow!
u/lionleaf

#minecraft
u/zanella

Replace Y<L?Y:L with Y and you'll understand how the flat sea effect was achieved. Nice one. ;)
u/Conjuror

love it
u/vain

OMG - really hot shit :D

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L1Z1X

function u(t) {

x.fillStyle=`hsl(${t*100},100%,50%)`
x.arc(960,540,5,0,6.283185)
x.fill()
x.drawImage(document.getElementById('c'),-17.77,-10,1955.54,1100)

Jul 6 2018 1:03 PM UTC

}// 139/140

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firegodjr

function u(t) {

with(x)for(x.m=e=>fillStyle=e,m("#0001"),fillRect(0,0,2e3,2e3),D=i=500;i--;)m("#f0f"),fillRect(S(i)*S(C(i)/1.27-t)*D+960,C(i)*D+530,10,10)

Jul 3 2018 5:03 PM UTC

}// 138/140

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Inspired to replicate https://www.reddit.com/r/loadingicon/comment…

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davidsharp

remix of d/8796 by u/davidsharp

function u(t) {

with(x)for(i=n=23;--i;)F=(f,m)=>Math.abs(m-t*.7*f(i*1.5/n)*2e3%(2*m)),font='90px a',fillText('⚽️🏀🏈'.substr((i%3)*2,2),F(C,1920),F(S,1e3))

Jul 3 2018 8:54 AM UTC

}// 137/140

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Remixed from @micahcowan's https://www.dwitter.net/d/8781

u/davidsharp

swap .7 for speed, for crazy things like:with(x)for(i=n=90;--i;)F=(f,m)=>Math.abs(m-t*.4*f(i*1.5/n)*2e3%(2*m)),font='90px a',fillText('🌚🌝🍀'.substr((i%3)*2,2),F(C,1920),F(S,1e3))
u/micahcowan

Using u/magna's [...font] trick in d/8783, and removing an extra invisible character that appears in the list of balls (VARIATION SELECTOR - its absence may change the ball look for some people? didn't for me), it became possible to restore the screen-clearing. with(x)for(c.width|=i=n=23;--i;)F=(f,m)=>Math.abs(m-t*.7*f(i*1.5/n)*2e3%(2*m)),fillText([...font='90px ⚽🏀🏈'][5+i%3],F(C,1920),F(S,1e3))
u/davidsharp

That's a really neat trick 👌

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alien

remix of d/8793 by u/alien

function u(t) {

c.width=500
for(i=0;i<(w=99);i++){for(j=0;j<w;j++){x.fillText(String.fromCharCode(u=(i^j&j)+frame>>3),i*10,j*10)
x.fillStyle=R(C(u)*w*9)}}

Jul 2 2018 8:40 PM UTC

}// 138/140

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Just click on fullscreen and enjoy the show all known chars displayed in a fractal rain

u/firegodjr

You redefined u, redefining u breaks it. If you switch to edit mode (click and add a space or something) it fixes the issue.

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