Dweets awesomed by u/jdspugh

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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Xen

remix of d/27302 by u/Xen

function u(t) {

with(x)for(i=721;i--;beginPath(fill()))arc((i*t*9+C(t+i)*i)%2e3-i,(7*t*i+S(i)*i)%1e3,69,0,9),fillStyle=`hsl(${i*t},69%,69%,.069`

Mar 30 2023 8:24 PM UTC

}// 128/140

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play 3

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Xen

remix of d/27301 by u/Xen

function u(t) {

with(x)for(i=1e3;i--;beginPath(stroke()))arc((i*t+C(t+i)*i)%2e3-99,(t*i+S(i)*i)%1234,90,0,9),strokeStyle=`hsl(${i*(t^i)},90%,${C(i)*69}%,.1`

Mar 30 2023 8:16 PM UTC

}// 140/140

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play 2

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Xen

function u(t) {

with(x)for(i=129;i--;beginPath(stroke()))arc((i*99+C(t+i)*i)%2e3-99,(t*i+S(i)*i)%1234,90,0,9),strokeStyle=`hsl(${i*t},90%,70%,.1`

Mar 30 2023 8:10 PM UTC

}// 129/140

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Play 1

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KilledByAPixel

remix of d/27287 by u/KilledByAPixel

function u(t) {

for(j=19;j--;)for(i=200;i--;x.fillRect(z,y+20,3,160))x.clearRect(z=j*200-i*3-t*240%400,y=440+(j%2*500-250)*S(i/63.66),3,200)

Mar 30 2023 6:49 PM UTC

}// 124/140

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Braid 🔀

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Xen

remix of d/27296 by u/deobfuscate

function u(t) {

e=f=>Math.random()*f|0
with(x)fillRect(e(X=2e3),e(X),9,9+!drawImage(c,C(t*X),S(t*X)),fillStyle='#'+e(8e7));c.onclick=z=>c.width++

Mar 30 2023 5:36 PM UTC

}// 129/140

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Golfed to fit

u/deobfuscate

He used squaresssss
u/Xen

ickle sqarrs tho :-O

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rodrigo.siqueira

remix of d/27266 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;x.fillRect(99*X,98*Y,f&1,t<9))X=i*i*t%20,Y=X*i*t%11,f=X+4*C(S(Y+390/Y)+X),x.fillStyle=R(f*f,f*9,Y*9)

Mar 30 2023 1:14 PM UTC

}// 139/140

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Ripples and reflections in mathematical waters

u/jdspugh

Cool
u/joeytwiddle

#water #ripples

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Paulwhoisaghost

remix of d/25123 by u/juanmar0driguez

function u(t) {

if(t<=3.14*8){e=c.width/2;y=c.height/2;a=500;u=6;;x.beginPath();x.moveTo(e+C(t*u)*y,y*(1+S(t)));x.lineTo(e+C(t)*a,y+S(t)*a);x.stroke();}

Mar 30 2023 4:47 AM UTC

}// 136/140

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if(t<=3.14*8){e=c.width/2;y=c.height/2;a=500;u=6;;x.beginPath();x.moveTo(e+C(t*u)*y,y*(1+S(t)));x.lineTo(e+C(t)*a,y+S(t)*a);x.stroke();}

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Paulwhoisaghost

function u(t) {

for(v=720;v--;)for(a=b=0,i=3;i--;x.fillStyle=R(a*b/v,b/a*v))f=a*b-v,a=a*a-b*b+t,b=6*S(f*10)+a+v/60-b/v,x.fillRect(t*30,3*v,b/a*v,b+a/v)

Mar 30 2023 12:15 AM UTC

}// 135/140

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This Too Shall Come to Pass

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vgel

remix of d/27290 by u/vgel

function u(t) {

eval(unescape(escape`景爨眽瀽挮睩摴桼㵈㵍慴栮桹灯琻瀫㴲㜹ⱘ㴨儽瀥眩⼱攳ⴱⱙ㴨圽瀯睼〩⼵〰ⴱⱰ㰲收㭸⹦楬汒散琨儬圬猽㘰⽩ⱳ⤩景爨娽椽䐽ㄻ⬫椼㤦䐾⸱㬩娭㵄㵈⠨䠨⡃⡴⤪堭匨琩⩚⤬天⴮㐩Ⱘ䌨琩⩚⭓⡴⤪堩⤭⸱`.replace(/u([^D].)/g,'$1%')))

Mar 29 2023 7:06 PM UTC

}// 140/140

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dithered donut #sdf

u/vgel

got inspired by d/16174 for some ways to shrink it further :-)
u/Xen

shaved a few: for(w=p=c.width|=H=Math.hypot;p+=279,X=(Q=p%w)/1e3-1,p<2e6;x.fillRect(Q,W,s=60/i,s))for(Z=i=D=1;++i<9&D>.1;)Z-=D=H((H((C(t)*X-S(t)*Z),(W=p/w)/500-1)-.4),(C(t)*Z+S(t)*X))-.1
u/joeytwiddle

Nice effect!

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vgel

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵷㴱攳ⱘ㴭ㄻ堼ㄻ堫㴮〲⥦潲⡙㴭ㄻ夼ㄻ砮晩汬剥捴⡘⩷⭷Ⱘ夫㴮〲⤪眫㔰〬椬椩⥦潲⡚㵩㵄㴱㬫⭩㰹♄㸮ㄻ⥚ⴽ䐽⠨⠨䌨琩⩘ⵓ⡴⤪娩⨪㈫太天⨪⸵⴮㐩⨪㈫⡃⡴⤪娫匨琩⩘⤪⨲⤪⨮㔭⸱`.replace(/u([^D].)/g,'$1%')))

Mar 29 2023 4:37 PM UTC

}// 140/140

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donut #sdf

u/vgel

this one was a huge pain to make fit even with the compression, I'll be really impressed if someone can golf it down to fit in 140 characters
u/vgel

I finally was able to, by sacrificing some of the visuals: d/27314
u/tomxor

Nice! I'm interested to dig into this in SDF form
u/magna

Amazin!

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