Random dweets | Dwitter

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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metamero

remix of d/11172 by u/metamero

function u(t) {

eval(unescape(escape`挮睩摴栽ㄹ㈰㭣⹳瑹汥⹢慣歧牯畮搽✣㤹㤧㭦潲⡰㴮㔻瀼㤹㬫⭰⥦潲⡱㴰⸵㭱㰹㤻⬫焩睩瑨⡸⥢敧楮偡瑨⠩ⱡ牣⡲㵰⨹㤬猽焪㤹ⰱ㌬〬㜩ⱦ楬汓瑹汥㴧⍦晦✬晩汬⠩ⱦ楬汓瑹汥㵒⠩ⱦ楬汒散琨爭㤱ⱳⴹㄬ㠳ⰸ㌩`.replace(/u(..)/g,"$1%")))

Nov 27 2018 12:01 PM UTC

}// 140/140

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Find the Black Dots - Scintillating Grid Illusion

u/metamero

c.width=1920;c.style.background='#999';for(p=.5;p<99;++p)for(q=0.5;q<99;++q)with(x)beginPath(),arc(r=p*99,s=q*99,13,0,7),fillStyle='#fff',fill(),fillStyle=R(),fillRect(r-91,s-91,83,83)
u/metamero

#OpticalIllusion #Scintillating #Grid #Illusion
u/katkip

#illusion
u/metamero

#ScintillatingGridIllusion

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Quant1um

function u(t) {

eval(unescape(escape`愽挮睩摴桼㵴籼⡩㵪㵫㵬㴲〬戽㤹㤬挮潮捬楣欽攽㹻椫㴨攮砪㌭欩⼲〬樫㴨攮礪㌭氩⼲ぽ⤻楦⡩㰰♫㰰籩㸰♫㹡⥩㴭椪⸷㭩昨樼〦氼〩樽⵪⨮㜻楦⡬㹢♪㸰⥪㴭横⸷ⱬ㵢Ⱪ⨽⸹㭸⹦楬汒散琨欫㵩ⱬ⬽樫㴱ⰹⰹ⤻`.replace(/u(..)/g,"$1%")))

Dec 15 2018 12:43 PM UTC

}// 140/140

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#interactive #physics

u/metamero

great!
u/katkip

Awesome!
u/aleamb

awesome!
u/Quant1um

Thanks!

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shapes

remix of d/2431 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=1.56;φ>-a;φ-=1.56/r){λ+=a;x.lineTo(C(φ)*S(λ-t/2)*r+2*r,(C(t=t+φ/r)*S(φ/4)+S(λ)*C(t/2)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 5:49 PM UTC

}// 139/140

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u/magna

Love it!

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Xen

remix of d/27390 by u/Xen

function u(t) {

t?x.fillText(z=(t*=t)|0,356+C(z)*z,214+S(z)*z):c.width=789
x.drawImage(c,S(t)/4e2,C(t)/4e2)
x.fillStyle="#a"+frame

Apr 18 2023 10:47 PM UTC

}// 114/140

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weirdly stops blur if fullscreen before complete.

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cli

function u(t) {

w='oh yeah woo'
c.width=1920
with(x)for(i=0;i<w.length;i++){font='200px Hack'
fillText(w.substring(i,i+1),250+i*130,650+S(t*2+i)*30)}

Apr 21 2020 3:58 PM UTC

}// 133/140

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oh yeah woo

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username

remix of d/13484 by u/username

function u(t) {

x.font=`9em'`;t*=3;x.globalAlpha=t%1/9
for(i=0;i<t%6;i++)[`🔴`,`⚪`,`⚫`,`🔵`].forEach(($,_)=>x.fillText($,866+i*C(t)*99,444+_*99+333*S(t)))

Apr 26 2019 5:07 PM UTC

}// 136/140

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stutter

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Odog8

function u(t) {

T=16
t?0:c.width=90
S=~~(t*60);x.fillRect(S%T+1,1+S/T|0,"ϠȁǿϰȿϏϤļϿϣϾ΃ǸȀΠ09c΃aϠ".charCodeAt(S/10)>>S%10&1,1)

Sep 26 2020 3:15 AM UTC

}// 112/140

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peace out!

u/katkip

#sprite #compressed

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taupelink

remix of d/22728 by u/taupelink

function u(t) {

x.globalCompositeOperation='darken';for(i=14;i--;x.fillRect(e*f%2e3,1200-e*i/2,q/t**t,2*e/2**t))f=997*i*t,x.fillStyle=R(q=i*i,e=f*f%250,e*2)

May 14 2021 12:28 PM UTC

}// 140/140

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d/22772

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robot0001

remix of d/1393 by u/Jenky

function u(t) {

n=120;r=5;for(i=t;i<t+r+r;i+=r/99){z=i*i+t;a=-C(i);b=-T(i);x.fillStyle=R(C(z)*n*255,C(r),C(z)*n);x.fillRect(960-T(t+i)*a*n,b*n*4,9,i)}

Feb 26 2017 3:15 PM UTC

}// 135/140

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Oneno

remix of d/29503 by u/cantelope

function u(t) {

c.width+=0
B=t?[...B.filter(v=>v[3]),[960,540,0,1e3]]:[]
B.map((v,i)=>x.fillRect(v[0]+=S(v[2]+=C(t*v[1]+i)/2)*5,v[1]+=C(v[2])*5,9,9,v[3]--))

Feb 15 2024 4:55 AM UTC

}// 140/140

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#ant

u/lewdev

This also makes me think of a #swarm of bees protecting their hive.
u/rivest-oss

This reminds me of the Boids algorithm