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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Current theme challenge: #Food

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taupelink

remix of d/27203 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽ㅥ㐻椭ⴻ砮晩汬剥捴⠱㈰⩘ⰱ㈰⩙ⱙ⭦☳ⰳ⩘⬴⩦☳⤩堽椪椪琥ㄴ⬱ⱙ㵩⨪㌪琥㜫ㄬ昽㐭䵡瑨⹡扳⠨夥㐭㈩⨪㈫匨堩⤬砮晩汬却祬攽恨獬⠤笲㈵ⴵ⩙⨨朽㈫昦㔩紬⑻㐰ⴴ⩦紥Ⱔ笶〭㐪杽┬⑻ㄯ瑽⥠`.replace(/u([^D].)/g,'$1%')))

Mar 17 2023 5:37 PM UTC

}// 140/140

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d/27218

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jylikangas

function u(t) {

for(c.width=W=i=512,t*=w=99;--i;x[f](225-z+(t--&2?z*2:t&9?0:z)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)

Nov 20 2018 4:55 PM UTC

}// 140/140

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I drove all night (and day)

u/cantelope

amazing! #road #synthwave
u/pavel

The backdrop is glitched on mobile Safari.
u/jylikangas

137b: for(c.width=W=i=512,t*=w=99;--i;x[f](225+(t--&2?z:t&9?-z:0)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)
u/iverjo

Wow!
u/taupelink

#scene

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SpecialAgent

remix of d/1582 by u/sawaxon

function u(t) {

c.width=1920;x.font='9em a';
for(i=0;i<300;i++)
x.fillRect(i*5,S(i*5+t*i/200)*400+600,30,30),
x.fillText(':',i*5,S(i*5+t*i/200)*400+600);

Feb 28 2017 6:17 PM UTC

}// 137/140

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dee-gomma

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜰶𜀊𨰮𬱴𮑬𩐮𩡩𫁴𩑲👠𪑮𭡥𬡴𚁠𒡸𛡦𫱮𭀽𙰹𬁸𘁭𫱮𫱳𬁡𨱥𙰊𭀿𫱮𪱥𮑵𬀽𩐽🠨𪰽𩐮𭱨𪑣𪀭𞀩🱳𚰽𪰭𝐿𩐮𪱥𮐺𫠺𬰽𬰮𬱬𪑣𩐨𜀬𛐱𚐺𬰽𙰧𒡦𫱲𚁭𘁯𩠠𚁳𚰧𘁟𙱛𭀪𝀦𚁲🐱𚑝𚐮𬱰𫁩𭀨𫠽𙲧𙰩𚑸𛡦𪑬𫁔𩑸𭀨𘡃𞡜𧀾𘠫𫐬𜠬𬠫𚰪𞐩`.replace(/u../g,'')))

Mar 20 2026 3:12 PM UTC

}// 140/140

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MS-DOS command prompt

u/cantelope

hahaha great!
u/ximavus

I love this
u/lewdev

Nice, thought it was just a visual. It's #interactive but space doesn't work, lol.

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danny@hille.dk

function u(t) {

for(c.width=X=60;X--;)for(Y=34;Y--;)x.fillStyle=R(r=260*(C(t*5+Y/8)+S(t+X/16+C(Y/(4+C(t)+S(X/9+Y/6))))),r/2),x.fillRect(X,Y,1,1)

Nov 9 2020 1:49 AM UTC

}// 128/140

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#fire #flame

u/danny@hille.dk

webgl version: http://glslsandbox.com/e#69217.0

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joeytwiddle

remix of d/1763 by u/New_Core

function u(t) {

c.onclick=_=>window.a||(a=new AudioContext,o=a.createOscillator(),o.connect(a.destination),o.start(),c.onmousemove=e=>o.frequency.value=e.x)

Apr 8 2017 8:22 PM UTC

}// 140/140

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Starts making noise if you click on the canvas. Hopefully you can silence it by going left, but no guarantees!

u/cantelope

"woooOOOOoooOOOO" :D
u/magna

It's a dweetheremin!
u/joeytwiddle

Yes it is :) More fun with a wider frequency range: o.start());c.onmousemove=e=>o.frequency.value=5*e.x
u/lionleaf

Haha, amazing! Fullscreen gives you a wider audio range :)
u/joeytwiddle

#audio #interactive

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retera

function u(t) {

w=c.width
h=c.height
for(i=0;i<4e3;i++)
x.fillRect((w^(7*i*(t%6)))%w,(h^(7*i*(t%6)))%h,8,8);
n=255
x.fillStyle=R(t*n%n,(t*n+190)%n,t*600%n)

Dec 28 2017 5:20 AM UTC

}// 139/140

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katkip

function u(t) {

c.width*=1;for(i=29;i--;)for(j=(i)|0;j--;)x.beginPath(),x.arc(960+C(j/i*6.28)*i*37,540+S(j/i*6.28)*i*37,30,0+C(t)*i,3+C(t)*i),x.fill();

Aug 6 2019 4:27 PM UTC

}// 135/140

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rodrigo.siqueira

remix of d/14045 by u/rodrigo.siqueira

function u(t) {

c.width|=0;for(var w=960,i=6e3;i--;){var θ=6*C(i**2)-7.5,X=-θ/3-2.5,Y=C(i)*S(θ+t)/2-.7,Z=C(i)*C(θ+t)/2-1.5;x.fillRect(w+w*X/Z,w*Y/Z,6,6)}

May 21 2019 5:30 PM UTC

}// 137/140

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Archimedes screw

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andrea270872

function u(t) {

c.width|=f=n=>n>1?x.fillRect(n,n,n,n)+f(n-(2+t%5)**2):0
f(256)

Jun 7 2021 1:19 PM UTC

}// 62/140

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simple recursion. A flaming square