Dweets awesomed by u/magna

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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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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danny@hille.dk

remix of d/23442 by u/danny@hille.dk

function u(t) {

for(c.width=w=256,d=new ImageData(w,w),m=w*w,i=-1;m--;)r=((X=m%w-128)*X+(Y=m/w-166)*Y)/512,d.data[i+=4]=T(t+Y/r|X/r)*w
x.putImageData(d,0,0)

Jul 30 2021 6:43 PM UTC

}// 140/140

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Centred, slightly better performance and resolution, animating... but black/white

u/TGY

golf and play LOL
u/danny@hille.dk

u/TGY - I might have been gotten a little carried away :-)

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danny@hille.dk

remix of d/23435 by u/danny@hille.dk

function u(t) {

for(c.width=w=128,m=w*w,i=-1;m--;x.fillRect(X,Y,1,1))X=m>>7,
Y=m%w,x.fillStyle=R(p=C(t*7+Y/(r=(X*X+Y*Y)/2e3)|X/r)*255,p/2,S(p)*255)

Jul 30 2021 6:33 PM UTC

}// 131/140

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Bad performance, shitty colors, low resolution - but it moves, I call it a win :-)

u/danny@hille.dk

Oh, and it off center

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rodrigo.siqueira

remix of d/23431 by u/rodrigo.siqueira

function u(t) {

for(Y=t/9-1,i=2e3;i--;x.fillRect(i,60*t,1,1))r=((X=i/540-1.8)*X+Y*Y)/99,x.fillStyle=`hsl(${(K=T(Y/r|X/r*2))*t},75%,${1e3*r*K}%`

Jul 30 2021 12:41 PM UTC

}// 127/140

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Inverted #sierpinski color remix 3

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hakluke

remix of d/23273 by u/pavel

function u(t) {

for(x.fillRect(p=710/113,0,i=c.width|=f=g=>300*g(i/99%1*p)+(134+9*C(a=p*i/96))*g(a/20+(i&1?t:-t)),i);i--;)x.clearRect(960+f(C),540+f(S),7,7)

Jul 29 2021 3:05 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/23430 by u/rodrigo.siqueira

function u(t) {

for(Y=t/9-1,i=2e3;i--;x.fillRect(i,60*t,1,1))r=((X=i/540-1.8)*X+Y*Y)/30,x.fillStyle=`hsl(${(K=T(Y/r|X/r)*2)*6+i/6},59%,${99*S(K*3)**4}%`

Jul 29 2021 2:59 PM UTC

}// 136/140

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Inverted #sierpinski color remix 2

u/taupelink

wow!!
u/danny@hille.dk

Nice!

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rodrigo.siqueira

remix of d/23410 by u/danny@hille.dk

function u(t) {

for(Y=t/9-1,i=2e3;i--;x.fillRect(i,60*t,1,1))r=((X=i/540-1.8)*X+Y*Y)/59,x.fillStyle=`hsl(${K=T(Y/r|X/r)*3},59%,${r*C(K*3)*6e3}%`

Jul 29 2021 2:51 PM UTC

}// 128/140

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Inverted #sierpinski color remix

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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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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/23417 by u/mxfh

function u(t) {

for(d=new ImageData(I=i=w=c.width,1080),b=255;i--;)for(j=w;j--;)for(C=4;C--;)d.data[I++]=C?(i^C-j^i+j^C)*t&b:b
x.putImageData(d,0,0)

Jul 28 2021 10:57 PM UTC

}// 132/140

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