Dweets awesomed by u/andrey.pro7k

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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Current theme challenge: #Opposites

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katkip

function u(t) {

t||(a=b=1);for(k=99;k--;)a+=S(b),b+=S(a-S(a-b+t*b*a)/999),x.fillRect(960+a*20,540+b*20,5,5)

Feb 14 2019 6:47 PM UTC

}// 91/140

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How to draw pefect puzzle pieces with attractors #attractor #math formula. Attractors are beautiful! <3

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katkip

function u(t) {

t||(a=b=1);for(i=999;i--;)a+=S(b-S(b)),b+=C(a-C(a-C(a*C(t)))),x.fillRect(b*300+900,a*600-400,4,4),x.globalAlpha=.2

Feb 14 2019 6:38 PM UTC

}// 114/140

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Crown of #math

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katkip

function u(t) {

t||(a=b=1);for(i=999;i--;)a+=S(b-S(b+t/99+i/3e4)*C(a+b)+t/9),b+=C(a-C(a)*S(b)),x.fillRect(a*800-300,840+b*200,5,5),x.globalAlpha=.1

Feb 14 2019 5:15 PM UTC

}// 131/140

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Black hole and white hole #attractor #math

u/katkip

Dweet 12345
u/ds0

end of evngelion
u/katkip

bomb

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pavel

remix of d/2336 by u/cantelope

function u(t) {

for(i=k=c.width|=0;i--;x.arc(X,Y,k*k|1/z,k=0,7))z=1-(t*30+i)%99/99,x.moveTo(X=960*(z+i**.9%1-.5)/z,Y=540*(z+i**.6%1-.5)/z)
x.fill('evenodd')

Feb 7 2019 7:27 AM UTC

}// 140/140

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Golfed enough for round bodies

u/mxfh

Welcome to the #arc side
u/13thptr

lol

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pavel

remix of d/9294 by u/cantelope

function u(t) {

for(i=w=c.width|=q=6.2832;i--;x.arc(960+S(p=(i>>1)*q/9-t)/Z*w,540+C(p)/Z*w,Z*Z,a=-t%q,a))Z=2+(i-1&-2)%98-8*t%2,i%98||x.beginPath(x.stroke())

Feb 6 2019 2:02 AM UTC

}// 140/140

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#uncompressed

u/cantelope

gotta hand it to you 👏
u/pavel

Playing it safe on the arc angle, modding it by 2pi just to avoid the bug on Safari.

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pavel

function u(t) {

q=6+5*S(t)
x.font=q+'em"'
x.fillStyle=`hsl(${50*t} 99% 50%`
x.fillText(...p=['Bragging about my likes',960-80*q,90*q])
x.strokeText(...p)

Feb 5 2019 8:48 PM UTC

}// 137/140

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#meta

u/Xen

GWAAN!
u/katkip

:D

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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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saon

remix of d/12033 by u/SpilledMilk

function u(t) {

for(i=10;i>0;i--){for(j=10*i;j>0;j--){
  x.fillStyle=R(j*10,j*3,j*5)
  x.fillRect(960-25*i+S(t+j)*j*i*20,540-25*i-T(t+j)*j*i*20,50*i,50*i)}}

Feb 2 2019 3:26 AM UTC

}// 140/140

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rodrigo.siqueira

remix of d/12001 by u/thorbear

function u(t) {

X=t/6;Y=2;s=999;x.globalAlpha=.05;for(i=3e3;i--;)
Y=1.66-2*(.1*X-S(1.2*Y)),
x.fillRect(X*s,Y*s-700,3,3)

Jan 31 2019 2:25 PM UTC

}// 103/140

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Bifurcation diagram attractor of the logistic map. xₙ₊₁ = r * xₙ(1-xₙ). Bifurcation diagrams enable the visualization of bifurcation theory. #fractal

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MingusDew

function u(t) {

c.width*=1;nn=27*S(t*2);for(i=960;i--;){p=0;for(n=1;n<nn;n+=2)p+=S(n*i*0.00657)/n;x.lineTo(10+2*i,540-480*p);}x.lineWidth=5;x.stroke();

Jan 21 2019 6:17 AM UTC

}// 135/140

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u/joeytwiddle

#math #fourier
u/katkip

Nice

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