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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PotatoImaginator

function u(t) {

c.width=512
c.style.background='#000'
for(i=256;i--;)for(j=0;j<8*t;j++)
x.fillStyle=R(255-2*j,0,2*j),!(i&j)&&x.fillRect(2*i+j,2*j,2,2)

Mar 8 2023 1:16 AM UTC

}// 134/140

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Sierpinski Triangle #sierpinski #fractal

u/PotatoImaginator

Golfed with the help of Tomxor

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taupelink

remix of d/27456 by u/taupelink

function u(t) {

for(i=1e4;i--&&t<4;x.fillRect(60*X,60*Y,Y+f&1,4*S(X)+f&1))X=i*i*t%12+10,Y=i/t%12+3,f=(S(Y)-C(X*S(Y/6)))**2,x.fillStyle=R(l=224*C(f)**2,l,l)

May 2 2023 12:44 AM UTC

}// 139/140

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d/27480

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taupelink

remix of d/22541 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽欽㌰〻ⴭ椻砮獴牯步剥捴⠹⨪琪堪䌨天ⰷ㈰⵱⩓⡙⤬焯琬ⵙ⼳⩩㸾琩⥦㵩⩴ⱘ㵦⩦╫ⱙ㵘⩦┶⸳ⱱ㵩⩃⡘⨪匨天⤯琪⩙ⱸ⹳瑲潫敓瑹汥㵒⡱╘Ⱪ⽔⡙⤬焬㤯焩ⱸ⹬楮敗楤瑨㵱⼹`.replace(/u([^D].)/g,'$1%')))

Dec 2 2021 2:49 AM UTC

}// 131/140

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Wireframe version of d/22541

u/taupelink

The present dweet is d/24420

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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=2e4;i--;){var X=C(i**3)/1+t%6.2-3,Y=X*(C(t)*S(X*7+t))/5-1,Z=8*C(i)*C(4*C(i))/15-2;x.fillRect(w+w*X/Z,w*Y/Z,4,4)}

May 22 2019 5:38 PM UTC

}// 139/140

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The Flying Bacon #bacon

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KilledByAPixel

remix of d/27943 by u/KilledByAPixel

function u(t) {

for(c.width=A=99;A;R+=.1)(t+R*A/50-R^R)%5||x.fillRect(A--,28-22/R,R/5,44/R,R=1)

Dec 11 2025 1:44 AM UTC

}// 79/140

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Smaller Wolf 🐺

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frostycpu

function u(t) {

for(i=648,f=a=>222*a-9*m,c.width=4e2;n=i%36,m=S(t*9-n),i--;x.fillRect(99+5*n,75+5*(i/36|0)+m,5,6))x.fillStyle=R(f(o=n>11),f(n<24),f(o&n<24))

Jan 7 2018 1:59 PM UTC

}// 140/140

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u/iverjo

#flag

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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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DataMeta

remix of d/8266 by u/DataMeta

function u(t) {

c.width|=0;p=Math.PI;k=42;for(i=3;i<32;i++){x.lineWidth=i+4;x.beginPath();x.arc(960,540,i*36+S(t/p*i)*k,i*p+S(t-i),i**i);x.stroke()}

Jun 12 2018 9:03 PM UTC

}// 132/140

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Decrease k for a more mellow experience, increase it (up to 108) for more intensity

u/joeytwiddle

*Xen puts in 109*
u/Xen

That 2e2 Though ;-)

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Xen

remix of d/19876 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=250;x.beginPath(),i--;x.fillStyle=`hsl(${i+t*567} 99%50%)`,x.fill())x.arc(960+9*C(a=i*t/7)*(k=1.023**i),540+9*S(a)*k,k,0,i)

Sep 8 2020 10:15 PM UTC

}// 138/140

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had to #Xweet

u/rep_movsd

Hypnotic
u/Xen

Didn't fullscreen while remixing but i'm happy with the result i must say
u/derder56

MY EYES HURT but it's still really good

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rodrigo.siqueira

remix of d/32410 by u/zadgy5534

function u(t) {

for(i=w=1e4;i--;x.globalAlpha=.3)x.fillStyle=R(r=w%i*T(i)/9/t/t,r*t*t/79),x.fillRect(960+C(w%i^t)*900/t,540+S(w<<i/t)*440/t,p=17*S(i*t)/t,p)

Sep 16 2024 1:37 PM UTC

}// 140/140

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red liminal space

u/magna

Make it green and it's the Matrix
u/lewdev

u/magna I gotchu fam. x.fillStyle=R(0,r=w%i*T(i)/9/t/t) for matrix