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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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magna

remix of d/14069 by u/magna

function u(t) {

T.valueOf=Math.random
for(i=99;i--;s=a[3],x.fillRect(a[0]+=C(z=a[2]+=T-.5)*s,a[1]+=S(z)*s,s,s))u[i]=(a=u[i]||[T*2e3,T*2e3,T*7,T*2])

May 22 2019 12:07 PM UTC

}// 131/140

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#walkers with perspective

u/katkip

now its #d3
u/Qwitter

cool.

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due

function u(t) {

eval(unescape(escape`琽〮〱Ⱳ㴲㔵㭣⹸㵣⹸籼琬挮礽挮祼簰Ᵽ⹺㵣⹺籼〻挮砫㴹⨨挮礭挮砩⩴㭣⹹⬽⡣⹸⨨㈸ⵣ⹺⤭挮礩⩴㭴㵣⹺⬽⡣⹹⩣⹸ⴳ⩣⹺⤪琻昽琯㐰⩲㭸⹦楬汓瑹汥㵒⡦⤻砮晩汬剥捴⠨挮砫㈹⤪㌰Ⱘ挮礫㈲⤪㈵ⱴⱴ⤻`.replace(/u(..)/g,"$1%")))

Feb 17 2019 9:31 PM UTC

}// 139/140

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Lazy Lorenz system with z colouring

u/katkip

#compressed
u/f8f82804

awesome #d3 effect

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katkip

function u(t) {

c.width*=1;for(i=12;i--;)for(j=35;j--;)x.ellipse(960,54+i*i*6,70*i,2*i+j*i/2,0,t,3+t);x.stroke()

Jan 19 2019 6:34 PM UTC

}// 96/140

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Jelly sliced in half #d3 improvisation

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katkip

remix of d/11584 by u/katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭦㴨愬戬挩㴾筩昨挾㌩砮晩汬剥捴⡡ⱢⱣⱣ⤬昨愭挪䌨琩Ɫⵣ⩓⡴⤬振㈬振㈩ⱦ⡡⭣⼲⩃⡴⤬戫挪匨琩Ᵽ⼲Ᵽ⼲⤬昨愭振㈪匨琩Ɫⵣ⼲⩃⡴⤬振㈬振㈩ⱦ⡡⭣Ɫⵣ⼲Ᵽ⼲Ᵽ⼲⥽㭦⠸㐰ⰵ㤰ⰲ㔰⤻`.replace(/u(..)/g,"$1%")))

Dec 30 2018 9:57 AM UTC

}// 138/140

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I love #recursion , #recursive #sierpinski #d3 c.width^=0;f=(a,b,c)=>{if(c>3)x.fillRect(a,b,c,c),f(a-c*C(t),b-c*S(t),c/2,c/2),f(a+c/2*C(t),b+c*S(t),c/2,c/2),f(a-c/2*S(t),b-c/2*C(t),c/2,c/2),f(a+c,b-c/2,c/2,c/2)};f(840,590,250)

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katkip

function u(t) {

if(t<3){for(i=10;i--;)x.fillStyle=`hsl(${t*10*i},99%,50%)`,x.fillRect(0,0,30*i,i*30),x.translate(i*.1,i*.061)}

Nov 15 2018 1:26 PM UTC

}// 110/140

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3D "GLASS" tunnel #d3 #tunnel #illusion

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katkip

function u(t) {

c.width*=1;for(i=9;i--;)(p=q=>x.fillRect(400-q+q*100+S(t)*300,400,50,200),p(i));x.fillStyle='#444';for(i=S(t)/7;i<8.5;i++)p(i+S(t)/9)

Nov 11 2018 11:01 AM UTC

}// 133/140

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Another method to create a 3D #default . #d3

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f8f82804

remix of d/10800 by u/Xen

function u(t) {

c.width|=i=0;for(y of'0111111210121012')x.lineTo(1e3+y%2*S(p=t-2.5*'0012340010203040'[i++])*(z=1600/(3+y%2*C(p))),y*z);x.fill('evenodd')

Oct 31 2018 8:26 PM UTC

}// 136/140

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#pentagram -- technically a pentagrammic star dipyramid

u/f8f82804

#d3 #perspective

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f8f82804

remix of d/10326 by u/f8f82804

function u(t) {

c.width=480;for(x.translate(240,99),x.rotate(t),i=17;i--;x.lineTo(3*Z*S(p),Z*((i&4)-2)))Z=99/(3+C(p=T(t)**9*i+t+1.57*(i-(i>>2))));x.stroke()

Oct 16 2018 7:04 PM UTC

}// 140/140

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cleaning up some angular approximations in the #glitch #perspective #d3 #cube

u/f8f82804

#wireframe

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f8f82804

remix of d/9687 by u/f8f82804

function u(t) {

for(w=c.width=384;w-=64;x.beginPath(x.stroke()))for(i=17;i--;x.lineTo(192+w*S(p=1.57*i+t+11*(i>>2))/(Z=4+C(p)),99+.4*w*((i&4)-2+S(t+w))/Z));

Oct 15 2018 6:16 PM UTC

}// 140/140

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#d3 #perspective #cube inspired by https://pycodelic.blogspot.com/2018/10/elast… -- can fit colors with compression, or if somebody can golf better than me

u/f8f82804

#wireframe

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f8f82804

remix of d/10307 by u/f8f82804

function u(t) {

c.width=640;with(x)for(i=9;i--||stroke();lineTo(320+320*S(b=t+Math.atan2(a(2),a(4)))/(Z=3+C(b)),180+226.3*a(1)/Z))a=_=>_&(7&i^(7&i)>>1)?-1:1

Oct 11 2018 11:05 PM UTC

}// 140/140

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cleaning up the gray code #cube -- #d3 #perspective

u/f8f82804

#wireframe

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