Dweets awesomed by u/Toby

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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danny@hille.dk

remix of d/23443 by u/danny@hille.dk

function u(t) {

for(c.width=w=333,d=new ImageData(w,w),m=w*w,i=-1;m--;)r=((X=m%w-w/2)*X+(Y=m/w-w*.7)*Y)/w,d.data[i+=4]=C(t*3+Y/r^r)*w
x.putImageData(d,0,0)

Jul 30 2021 6:59 PM UTC

}// 139/140

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Hey mr. spider, where did you come from? remix

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TGY

function u(t) {

c.width*=1
for(i=5e3,w=960;i--;x.fillRect(w+w*(S(i%9+t)*C(i/5)/2),w*(.5+C(i%9)*C(i/9)/2),9,9))x.fillStyle=R(r=99+S(t+i%9)*S(t+i%9)*99,70,r)

Jul 29 2021 7:07 PM UTC

}// 139/140

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isn it 4d?

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danny@hille.dk

remix of d/23417 by u/mxfh

function u(t) {

w=c.width=255
for(m=4e4;m--;)x.fillRect(j=m%w,i=m>>8,((i-j&i+j)*t&w)/w,1)

Jul 29 2021 6:18 PM UTC

}// 73/140

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golf and play

u/danny@hille.dk

Really bad performance, but only 73 bytes :-)

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hakluke

function u(t) {

c.width=1920
for (let i = 0; i < 100; i++) {
x.arc(20*i, 500, 100*t, 0, t*0.5* Math.PI);
x.stroke()
}

Jul 29 2021 2:59 PM UTC

}// 101/140

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Circles

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rep_movsd

function u(t) {

eval(unescape(escape`𪑦𚁦𬡡𫑥𙐶𜀽🐰𚑻𨰮𭱩𩁴𪁼🐱𛁋👍𨑴𪀮𬡡𫡤𫱭𚀩𒡦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚀩𛁡🐰𞱡🀶𛠲𞀻𨐫🐮𜀱𛁸𛡬𪑮𩑔𫰨𦀬𦐩𚐊𩡯𬠨𦀽𞐶𜀬𦐽𝐴𜀬𤠽𝀰𜀬𪐽𜐵𞱩𛐭🠲𞰩𦀫👓𚁢👡𚡩𚐪𠰨𢰪𭀪𪐩𚠨𣀽𤠯𪐩𛁙𚰽𠰨𨠩𚡓𚁴𚠪𪐩𚡌𞱸𛡦𪑬𫀨𚑽`.replace(/u../g,'')))

Jul 29 2021 1:27 PM UTC

}// 135/140

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Xenobiology picture book #alien

u/taupelink

wow!
u/rep_movsd

It's just a sum of random fourier co-efficients - never expected this weird effect!
u/TGY

this is like so amazing, you could build game out of it
u/rep_movsd

Yeah - something like pokemon - people collect random creatures and pit them against each other, and some way to combine them

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Leodude123

remix of d/16787 by u/KilledByAPixel

function u(t) {

c.width|=i=0
x.font='5em arial'
'eeeeeeeeeeeeeeeeeeeeeeeeee'.split('').map(c=>x.fillText(c,9+(I=i%13)*150,400+S(I+t)*159+200*(i++/13|0)))

Jul 29 2021 1:25 PM UTC

}// 137/140

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KilledByAPixel

remix of d/23418 by u/KilledByAPixel

function u(t) {

c.width|=A=Math.abs
for(i=w=98;i--;x.rect(T*i+25,A(T*i-951)+1e3*((t+i/2)%1-.5)**2,T=49,T))x.rect(q=w*(i+t%1-1),300+A(q-951),w,-2e3)
x.fill()

Jul 29 2021 4:10 AM UTC

}// 140/140

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The March of Progress ▲

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mxfh

remix of d/676 by u/mxfh

function u(t) {

for(d=new ImageData(i=w=c.width=256,w),I=-1;i--;)for(j=w;j--;)d.data[I+=4]=(i-j&i+j)*t%w
x.putImageData(d,0,0)

Jul 28 2021 4:55 PM UTC

}// 110/140

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-19 new space for stuff.

u/Xen

I=3?
u/mxfh

@Xen if you can live with that static line on the left then.

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KilledByAPixel

function u(t) {

c.width|=r=200
for(i=7;j=i--/6;x.arc(320+(a=r*(i-j)),a-90+(((t-j+r)%1-.5)**2)*1e3,40,0,9))x.rect(r+(a=r*(i-t%1)),a,1e4,r)
x.fill`evenodd`

Jul 28 2021 4:04 AM UTC

}// 137/140

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Bounce Down ⚪

u/vain

looks so cool

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rodrigo.siqueira

remix of d/23404 by u/rodrigo.siqueira

function u(t) {

for(x.drawImage(c,C(t*4)*2-40,S(t*3)*2-15,i=2e3,1111);i--;x.fillStyle=`hsl(${i+155},90%,${i}%)`)x.fillRect(960+i*i*C(t*i),540+S(i)*i,2,2)

Jul 27 2021 6:31 PM UTC

}// 137/140

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Astral Voyager

u/danny@hille.dk

I want this as a screensaver!
u/rep_movsd

Flight through the speed force
u/jellyedwards

Very cool!
u/katkip

beautiful
u/smtsjhr

love it!

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