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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katkip

remix of d/5187 by u/JonasPeeters

function u(t) {

c.width=1920;
for(i=0;i<190;i++){x.fillStyle=R(T(i*3)*255,S(i/t)*255,C(t)*255);x.fillRect(S(i/10+t*2)*300+1000,T(i/30)*400+500,40,100)}

Aug 6 2018 12:05 PM UTC

}// 135/140

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#challenge add small *connections* between these 2 lines to make it look like a DNA. good luck

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katkip

remix of d/11245 by u/metamero

function u(t) {

c.width=50;x.fillText('kipkat',11,16)

Dec 2 2018 2:14 PM UTC

}// 37/140

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tobias

function u(t) {

if(!t)y=w=960,z=h=710
for(i=0;i++<99;)C=C*3%2e9||1,x.fillRect(y=y/2+(w+606*(C%3-1))/2,z=z/2+(h-(++C%3+~C%3)*350)/2,1,1)

Jul 15 2018 7:23 PM UTC

}// 119/140

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u/iverjo

#sierpinski

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magna

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟝯󫭭󫽵󬽥󫝯󭭥󟝥󟜾󥌽󩜻󩭯󬬨󪜽󝜴󝌻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌭󝌬󛜱󝬬󞌬󜼲󚜩󭽩󭍨󚍍󨝴󪌩󦌽󪜥󜼲󟌼󝬬󦜽󪜯󜼲󟌼󝬬󮌮󬽥󭍔󬭡󫭳󩭯󬭭󚍭󟝓󚍡󟝡󭍡󫬲󚍪󟝘󚽾󥌮󮌯󛬳󛍫󟝙󚽾󥌮󮜯󛬳󚜩󛍮󟝃󚍡󚜬󛝮󛍭󛍘󛍙󚜬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󪍹󬍯󭌨󪬬󪼩󚜻`.replace(/u../g,'')))

Oct 17 2024 9:28 PM UTC

}// 139/140

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Color Parallels demake https://www.mightypenguin.dev/igloo/color-pa… #mouse #interactive

u/magna

Works best non-fullscreen

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Xen

remix of d/19924 by u/masang

function u(t) {

for(c.width|=i=2e3;i--;x.fillStyle=`hsl(${t*i},99%,40%)`)
x.fillRect(i*2+t*t%9,0,1,2e3)

Sep 12 2020 8:27 PM UTC

}// 87/140

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golf and play

u/masang

sugoku sugoi desune! owesome!

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384.cz

function u(t) {

c.style.background="#0a0"
a=135
f=(X,y,w,h)=>x.fillRect(360+X*a,y*a,w*a,h*a)
f(1,1,2,2)
f(5,1,2,2)
f(3,3,2,3)
f(2,4,1,3)
f(5,4,1,3)

Dec 23 2023 6:12 PM UTC

}// 131/140

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Creeper

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384.cz

remix of d/26160 by u/384.cz

function u(t) {

x.fillRect((f=t*60)*3,(16-(f%16))*48,48,48*`︀舀먀먀먀舀︀䠀䠀䠀䠀䠀䡿䡁保䁝䁝俁䡿䠀䠀䠀䠀䠀︀舀먀먀먀舀︀`.charCodeAt(f/16).toString(2).padStart(16)[0|f%16])

Nov 13 2022 4:53 PM UTC

}// 128/140

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Tridl

u/384.cz

More info about Tridl: https://384.cz/en/potvurky/prehled/#tridl

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rodrigo.siqueira

remix of d/34243 by u/joeytwiddle

function u(t) {

for(x.fillRect(0,0,i=2e4,i);i--;x.clearRect(960+S(i)*(120*S(k*2)+(1+S(t)/4)*300*S(k)**(i/(350+S(t*2)*130))),630+C(k)*540,3,3))k=(i+t)**2

Oct 22 2025 1:39 AM UTC

}// 136/140

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Spectral

u/neimad

Reminds me of an electron cloud
u/joeytwiddle

#ghost #halloween

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Xen

remix of d/28836 by u/timothytomato

function u(t) {

r=Math.random
x.drawImage(c,C(t**=t)*9,S(t)*7)
x.fillStyle="#"+frame
x.fillRect(r()*2e3,r()*1e3,99,99)

Nov 10 2023 4:26 PM UTC

}// 102/140

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𝔹 𝕃 𝔼 𝔼 𝔻

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katkip

function u(t) {

t||(q=0)
for(i=108;i--;)q+=(i-54)%frame/20,x.fillStyle=R(q*128,q*9,18+S(q*q/9)*250),x.fillRect(10+frame*10,10*i,10,10)

Jun 14 2019 7:06 PM UTC

}// 118/140

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Boom