Dweets awesomed by u/cantelope

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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robbyg

remix of d/12143 by u/katkip

function u(t) {

c.width^=0;for(i=192;i--;)for(j=9;j--;x.fillStyle=`hsl(${h},50%,50%)`)x.fillRect(i*10,h=540-(S(t*2+i*3.12)*C(t+i+j/9)*j/4)*100,10,10)

Feb 4 2019 8:20 PM UTC

}// 133/140

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u/23_Skidoo

x.fillStyle="#fff3";x.fillRect(0,0,c.width,c.height);for(i=192;i--;)for(j=9;j--;x.fillStyle=hsl(${h},50%,50%))x.fillRect(i*10,h=540-(S(t*2+i*3.12)*C(t+i+j/9)*j/4)*100,10,10)
u/23_Skidoo

Or, replace c.width^=0 with x.fillStyle="#fff3";x.fillRect(0,0,c.width,c.height);

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DataMeta

remix of d/12139 by u/katkip

function u(t) {

with(x)for(i=50;i--;)beginPath(),fillStyle=R(o=i*5.5,o,o,.8),arc(960+C(i*3.14+i-t)*99,540+S(i*3.14-i+t)*99,i*9,0,7),fill()

Feb 4 2019 5:24 PM UTC

}// 122/140

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rodrigo.siqueira

remix of d/12129 by u/rodrigo.siqueira

function u(t) {

c.width^=Y=0
for(X=2e3;X--;)
 Y=C(Y+t)*X/450,
 x.fillRect(X,540+Y*120,5,5)

Feb 4 2019 2:12 PM UTC

}// 74/140

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A very small bifurcation equation. #attractor

u/rodrigo.siqueira

Animated #bifurcation

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rodrigo.siqueira

function u(t) {

X=Y=0
for(c.width|=i=1e3;i--;){
X=X*C(2*t+Y*2)+Y/4
Y=C(X+Y+X+t/3)-S(i+X+t)/3
x.fillRect(960+X*820,540+Y*400,5,5)
}

Feb 4 2019 2:16 AM UTC

}// 114/140

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Interaction of live attractors

u/katkip

WOWWW #attractor AWESOME
u/donbright

WOAH

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Xen

remix of d/3960 by u/Hook

function u(t) {

//for(c.width^=i=1290;i--;X=i%48,Y=i/48,d=C((29-X)*(14-Y)*Math.pow(t,2.7)/i)*68,x.fillRect(X*40-d/2,Y*40-d/2,d,d));

Feb 4 2019 12:44 AM UTC

}// 115/140

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uncomment... sorry not sorry, Dubstep lol x

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👩🐱𝀻𛐭𪐻𮀮𬱴𬡯𪱥𚀩𚑦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚁬👩𛐷🰹𞐺𜀩𞱬𛐭𞱸𛡬𪑮𩑔𫰨𞐶𜀪𚁺𚱘𚡃𚁴𚐫𦠪𤰨𭀩𚐯𮠬𝐴𜀫𞐶𜀪𚀨𚀲𚡩𛐱𚐯𜱼𜀩𙐳𛐱𯁼𩀩𛱺𚐩𩀽𫀭𝀹𛁘🐨𪐯𝑼𜀩𛐱𯁼𩀬𦠽𪐥𜰭𜑼𯁤𛁺🐴𛑘𚡓𚁴𚐫𦠪𠰨𭀩𛁺𚠽𮠾𜀻`.replace(/u../g,'')))

Feb 2 2019 8:42 PM UTC

}// 138/140

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for(c.width|=i=14;--i;x.stroke())for(x.beginPath(l=i-7?99:0);l--;x.lineTo(960*(z+X*C(t)+Z*S(t))/z,540+960*(((2*i-1)/3|0)%3-1||d)/z))d=l-49,X=(i/5|0)-1||d,Z=i%3-1||d,z=4-X*S(t)+Z*C(t),z*=z>0

u/katkip

#compressed
u/cantelope

cool!
u/katkip

#cube
u/UEZ

#perspective #vanishingPointProjection

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cantelope

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀨𭰽𞐶𜀩𚠲𛀲𩐳𚐻𤠽𚁡𛁢𚐽🡛𠰨𭀩𚡡𛑓𚁴𚐪𨠬𤰨𭀩𚡡𚱃𚁴𚐪𨡝𞱦𫱲𚁩🐸𜐰𞱩𛐭𛐱𞱸𛡣𫁥𨑲𤡥𨱴𚁷𚱘𛰨𦠫🐱𝀩𚡷𛀵𝀰𚱙𛱚𚡷𛁳👷𛱚𛱚𛁳𚐩𦱘𛁚𧐽𤠨𪐥𞐭𝀬𝐭𪐯𞀱𯀰𚐬𦱙𛁚𧐽𤠨𚁩𛰹𯀰𚐥𞐭𝀬𦠩𛁛𦀬𦑝👒𚁘𛁙𚐻`.replace(/u../g,'')))

Feb 1 2019 10:48 PM UTC

}// 139/140

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Real 3-axis rotation using Euler equations (https://twitter.com/MaximeEuziere/status/108…). Thank you Xem!

u/cantelope

uncompressed: https://codegolf.tk/a/368
u/katkip

#cube #d3
u/UEZ

Borg cube

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rodrigo.siqueira

remix of d/12083 by u/rodrigo.siqueira

function u(t) {

X=Y=t;for(i=3e3;i--;x.fillStyle=`hsl(${C(X)*99+S(Y)*80},20%,50%)`)h=X,x.fillRect(X=950+(S(1*Y)+C(1*X))*440,Y=550+(C(3*h)-S(3*Y))*150,1,1)

Feb 1 2019 8:21 PM UTC

}// 137/140

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The kiss #attractor

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stellartux

function u(t) {

with(x)t?(r=++n**.5,a=n*2.4,fillStyle=`hsl(${a},99%,50%)`,beginPath(),arc(34*r*C(a),34*r*S(a),25,0,7),fill()):(n=0,translate(960,540))

Feb 1 2019 5:30 PM UTC

}// 134/140

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#rainbow #phyllotaxis

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Xen

remix of d/12072 by u/leoseccia

function u(t) {

for(c.width|=i=40;i--;)for(j=80;j--;x.fillRect(j*30+S(i/s*4)*250-300,i*30+C(j/s*2)*50-50,99,3))s=9/S(t/2)

Feb 1 2019 4:48 PM UTC

}// 105/140

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