Dweets awesomed by u/iverjo

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.

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ose

function u(t) {

for(i=0;i<20;i++){
x.fillStyle=R(S(i*t)*255,S(i+1+t)*255,S(i+2+t)*255);
x.fillRect(i*150+100*S(t),(t*50),50,150);
}

Jan 14 2017 4:08 PM UTC

}// 115/140

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Psychedelic sneks

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iverjo

remix of d/302 by u/sigveseb

function u(t) {

(F=Z=>{for(W=4e3/Z,x.fillStyle=R(W,W/4,W/2),i=Z*Z*2;n=i%Z,m=i/Z|0,i--;n%2^m%2&&x.fillRect((n-t%2-1)*W,(t%2-3+m)*W,W,W));Z&&F(Z-6)})(36)

Jan 14 2017 4:06 PM UTC

}// 135/140

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#recursive

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iverjo

remix of d/598 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-3*S(t),Y=i+C(t),1/(j*j+Y*Y)+1/(X*X+i*i)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:56 PM UTC

}// 137/140

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u/nickd3000

A weird remix https://www.dwitter.net/d/6361
u/iverjo

#metaballs

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iverjo

remix of d/597 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-3*S(t),Y=i+C(t),1/(j*j+Y*Y)+1/(X**4+i**4)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:55 PM UTC

}// 139/140

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Doesn't work in FireFox atm because of the ** operator

u/iverjo

Yay, Firefox 52 is now released and it supports the ** operator :D
u/iverjo

#metaballs

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iverjo

remix of d/596 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)a=j-3*S(t),1/(j*j+i*i)+1/(a**4+i**4)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:46 PM UTC

}// 130/140

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This may not work in FireFox at the time of writing, because of the new ** operator (exponential). Works in Chrome though :)

u/donbright

yup, blank in firefox
u/Polyducks

This is so gorgeous. Well done
u/iverjo

#metaballs

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iverjo

remix of d/143 by u/chunnoo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)a=i*j-3*T(t),1/(j*j+i*i)+1/(a*a+i*i)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:44 PM UTC

}// 130/140

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Let the dweetoff begin!

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New_Core

remix of d/590 by u/New_Core

function u(t) {

c.width=2e3;for(b=i=200;i--;)i>180?a=10*S(t*4+i*9):a=0,x.fillRect(1e3+2*(b-i)*C(i-t)*S(i-t)+100*S(t+i*0.03-a*.08)+b*S(t/2),i*5+a,5,5)

Jan 14 2017 12:28 PM UTC

}// 133/140

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A tornado ;)

u/sigveseb

nice
u/sigveseb

nice
u/sigveseb

btw New_Core, the next hour we're having a dweet-off at a physical location! so expect many incoming dweets :D you add dweets too, and we can include it in the dweet-off :D
u/13thptr

#tornado

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lionleaf

remix of d/592 by u/New_Core

function u(t) {

c.width=2e3;a=99*S(t)+300;;for(b=i=500;i--;)x.strokeStyle='red',X=1e3+a*S(i)*S(i*0.5+.3*T(t))-b*C(t*.5),Y=b+a*C(i),x.lineTo(X,Y);x.stroke();

Jan 13 2017 8:33 PM UTC

}// 140/140

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Hot air baloon caught in a tornado!

u/lionleaf

#balloon

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BriSeven

function u(t) {

N=50;P=44/7;c.width=1920;for(j=0;j<N;j++)for(i=0;i<N;i++)
x.fillRect(980+S(j/N*P*2)*150+S(i/N*P)*300,
540+C(j/N*P*2)*150+C(t+i/N*P)*300,5,5)

Jan 6 2017 7:37 AM UTC

}// 140/140

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u/iverjo

Cool, a torus!
u/donbright

NICE
u/Purpzie

Shortened by 5 characters: for(c.width|=a=0,N=50,P=44/7;a<N*N;)x.fillRect(980+S((j=0|a++/50)/N*P*2)*150+S((i=a%50)/N*P)*300,540+C(j/N*P*2)*150+C(t+i/N*P)*300,5,5)
u/Cloud

#tor

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BriSeven

remix of d/579 by u/BriSeven

function u(t) {

m=160;x.fillStyle=R(C(h=t/2)*m+m,S(h-.5)*m+m,S(-h-.5)*m+m,.01);x.fillRect(t%13*m,0,4,2e3);x.drawImage(c,5*C(t),0,1920,1060)

Jan 5 2017 1:09 AM UTC

}// 123/140

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taste the rainbow maximum amperage edition

u/iverjo

Ooh, the red/orange/yellow thing top left almost looks like a flame. A flame variant with only flame colors would be nice, I think
u/donbright

wild

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