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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cantelope

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷🐲𩐳𛁷𚐊𡀽𬐽🡻𮀮𨱬𩑡𬡒𩑣𭀨𞐶𜀫𦀯𦠪𚁨🐵𝀰𚐭𚁬👨𛱚𚐯𜠬𪀫𦐯𦠪𪀭𫀯𜠬𫀬𫀩𯐊𚁂👴🱛𛠮𛡂𛁛𤰨𤰨𭀯𝀩𚠲𜀩𚠲𜀬𞐫𤰨𭀪𞀩𚠸𛀳𜁝𧐮𩡩𫁴𩑲𚁶🐾𭡛𜡝🠰𚐺𦱝𚐮𫑡𬀨𭠽🡄𚁄𚁛𦀬𦐬𦡝👶𛁶𦰲𧐭🐮𜐩𛁙𚠽𛐱𚐩`.replace(/u../g,'')))

Jun 23 2022 3:58 PM UTC

}// 138/140

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katkip

remix of d/9346 by u/katkip

function u(t) {

if(!t){i=0;x.translate(960,540)}x.fillRect(Math.sin(i)*540,Math.cos(i)*540,Math.tan(i)*65,1);x.rotate((i++,2))

Aug 23 2018 9:28 AM UTC

}// 110/140

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Math logo creator 2

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KilledByAPixel

function u(t) {

for(c.width|=i=9;i--;)
x.rect(400+i*50+S(t)*300,400+S(i/2+t*9)*99*S(t)**9,450,200)
x.fill`evenodd`

Jun 2 2025 7:05 PM UTC

}// 98/140

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Even Odd ꔖ #default

u/Axioplase

This caught me by surprise. Fun one!
u/tomxor

I like how it looks pixelated but it's not.

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KilledByAPixel

remix of d/14319 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭀿𫱮𨱬𪑣𪰽𧰽🣥𚁣𛡷𪑤𭁨👩𫡮𩑲𥱩𩁴𪀩𞡩🐰𞱯𫡭𫱵𬱥𫑯𭡥👥🐾𙀽𨁩🠾𙁻𚁘👥𛡸𚐾🠵𙐱𝡽𙡩𙐤𮰨𦐽𩐮𮐩🀼𜱽𨀻𩑶𨑬𚁬𫱣𨑬𤱴𫱲𨑧𩐮񉐫𘡆👟🐾񁐽𚰫𘠫𙀩𞱸𛡦𪑬𫁓𭁹𫁥🐢𘰢𚳅𙐱𩐴𞱱📅🠾𝀻𮀮𩡩𫁬𤡥𨱴𚁘𛑱𛁙𛑱𛀲𚡱𛀲𚡱𚐻𭁨𬡯𭰠𙀻`.replace(/u../g,'')))

May 31 2019 2:05 AM UTC

}// 140/140

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♫ 𝓑𝔂𝓽𝓮𝓫𝓮𝓪𝓽 𝓣𝓸𝔂 ~ Requires #DAP d/14319 ~ Click to start/stop audio. Mouse X/Y controls equation which is printed to error. #music #tool #interactive

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👦👧🐾𚁫𙐱𝠦𙠱𚱫𙐲𚠮𝀱𝀩𚡧𚁡🐮𝰸𝐴𚠨𪰫𜠯𚀱𚰱𩐳𚠪𚁴𙐱𚠴𛑩𚐩𚐩𛁫🐵𝰻𪐽𛐭𪰾🠴𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𝰰𜀪𦀯𮠭𬰬𝐴𜀫𝰰𜀪𦐯𮠭𬰬𬰪🐲𛁳𚐩𦱘𛁙𛁚𧐽𦱘👦𚁃𚐬𪐭𜠬𩠨𤰩𛁘𛁩𛐲𧐮𬱬𪑣𩐨𭀥𜰩𛁺🐳𚱚𛁳🐹𞐯𮠯𮠻`.replace(/u../g,'')))

Jun 19 2019 3:43 AM UTC

}// 139/140

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Rubik's Cube Movement

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u/pavel

191 for(c.width|=f=g=>(k%16&&1+k%2*.414)*g(a=.7854*(k+2/(1+1e3**(t%1*4-i)))),k=57;i=--k>>4;x.fillRect(960+700*X/z-s,540+700*Y/z-s,s*=2,s))[X,Y,Z]=[X=f(C),i-2,f(S),X,i-2].slice(t%3),z=3+Z,s=99/z/z
u/katkip

too good.
u/username

Rubik's Cubes cannot move the middle layer
u/pavel

If you hold the sides the middle moves, no? How could it not!
u/pavel

Here are notation-only moves for(c.width|=f=g=>(k%16&&1+k%2*.414)*g(a=.7854*(k+y*2/(1+1e3**(t%1*4-i)))),k=57;i=--k>>4;x.fillRect(960+700*X/z-s,540+700*Y/z-s,s*=2,s))[X,Y,Z]=[y=i-2,X=f(C),f(S),y,X].slice(t%3),z=3+Z,s=99/z/z
u/username

Technically you are moving both sides at the same time in that case instead of moving the middle layer.
u/katkip

^
u/pavel

That's not what technically means. You have a mental model that only permits sides to move, and you have that model because adding middle rotations would be notationally redundant in that model. This does not mean middle rotations are somehow impossible or that they definitely consists of two side rotations.
u/username

Erm, the middle layer is attached to the core, that is what I mean. It is about the construction of a Rubik's Cube.
u/username

http://www.madehow.com/images/hpm_0000_0007_…
u/pavel

Still seems like this is a matter of perspective. You are chosing a perspective in which the core is always fixed, even though the motion I am describing specifically involves holding the two sides fixed and rotating the core... In my reference frame the core is rotating. So what if the core contains more parts than the side pieces when you take the cube apart?
u/13thptr

that escalated quickly
u/donbright

maybe they dont actually move like this... but they should!

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rodrigo.siqueira

remix of d/33600 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=2e4;i--;x.fillRect(960+X/Z,540-Y/Z,.1,t<5))
r=T(i/2/t)**C(i),X=r*C(k=i/2.1/t)*999,Y=r*S(k)*990,Z=r*S(i/2)+1.6

Apr 15 2025 3:47 PM UTC

}// 140/140

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Spiral flower 21-symmetry

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lionleaf

function u(t) {

c.width=2e3;a=S(t);for(i=0;i<40;)x.fillStyle=R(i*9+99,0,a*99,a*a),x.transform(-a*a,C(t+2)/9,a/9,a,400+!i*700,!i*500),x.fillRect(i,i++,99,99)

Jan 8 2016 12:46 AM UTC

}// 140/140

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u/Lazy1337

noice

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taupelink

remix of d/29383 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽ㅥ㐻椭ⴻ砮晩汬剥捴⠶ㄪ堬㘱⩙ⰱⰡ⠨⡭ⴱ㘩⨪㈭愪戩⨪㈦㌲㜶㠩⤩堽椪椪琥㌲ⱙ㵘⩩┱㠬愽⠨堥㠭㐩⨪㈭㔩⨪㈬戽⠨夥㠭㐩⨪㈭㔩⨪㈬洽愼房愺戬砮晩汬却祬攽洦㈴㽭☴㼧⌸㙁✺✣䑃㤧㨧⍁䕄✠`.replace(/u([^D].)/g,'$1%')))

Feb 1 2024 9:35 PM UTC

}// 140/140

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d/29400

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yokljo

function u(t) {

x[s="fillStyle"]=R()
x[b="globalAlpha"]=0.04
x[o="fillRect"](0,0,w=1920,h=1080)
x[s]=R(w)
x[b]=1
for(i=50;i--;)x[o]((t*h/i)%w,(t*h*i)%h,t,9)

Jun 4 2018 1:35 PM UTC

}// 140/140

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hakluke

remix of d/23433 by u/hakluke

function u(t) {

for(x.fillRect(p=710/99,0,i=c.width|=f=g=>222*g(i/9%1*p)+(500+300*C(a=p*i/96))*g(a/20+(i&1?t:-t)),i);i--;)x.clearRect(960+f(C),540+f(S),7,7)

Jul 29 2021 3:10 PM UTC

}// 140/140

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flys