Dweets awesomed by u/magna

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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taupelink

remix of d/29702 by u/taupelink

function u(t) {

f=u=>((u/s%6+u/5%8-7)**2-.1)**.6;for(i=1e4;i--;x.fillRect(960+80*s*C(h),720+h*r*S(h),t<6,f(f(r)+f(r+88*h))&1))r=i*t%135+9,h=r*i%6.28,s=r**.5

Apr 28 2024 11:39 PM UTC

}// 140/140

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d/31679

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rodrigo.siqueira

function u(t) {

c.style.background=`linear-gradient(${S(t/4)*8}deg,#130 0%,#5a5 ${K=28+S(t/3)*5}%,#ffe ${3+K}%,#15c 99%)`

Apr 28 2024 11:34 PM UTC

}// 105/140

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CSS Flight Simulator

u/rodrigo.siqueira

Change from "deg" to "rad" to experience truly radical loops! ✈️𖦹
u/cantelope

good colors

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LimeLaser

function u(t) {

f=60*t|0
u=f/1080
v=1-u
w=(b,c,d)=>255*(3*v*v*u*b+3*v*u*u*c+u**3*d)
x.fillStyle=R(w(0,1,1),w(.7,1,0),w(1,0,0))
x.fillRect(0,f,2e3,1)

Apr 28 2024 4:35 AM UTC

}// 132/140

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Bezier Sunset Gradient

u/cantelope

"bezier" tho? 🤔
u/andrea270872

Perhaps the function w is based on a Bezier curve between 4 points?
u/andrea270872

(like they say here... https://javascript.info/bezier-curve )?
u/LimeLaser

Yeah, the w function should be a cubic Bezier evaluation, but I had to cut out the a*v**3 term to fit the character limit.

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rodrigo.siqueira

remix of d/31651 by u/danny@hille.dk

function u(t) {

w=260
c.width=520;for(i=4e4;i--;)
x.fillRect(X=(i%w)*2,Y=i/130-5,C(t+S(Y/99-S(X*Y+t*3+1/t)/5)/20*Math.hypot(X-260,29))*2,2)

Apr 28 2024 12:29 AM UTC

}// 123/140

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u/cantelope

#collidingFalconPunches

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rodrigo.siqueira

remix of d/31658 by u/rodrigo.siqueira

function u(t) {

x.save(c.style='filter:sepia()invert()')
x.globalAlpha=.1
x.translate(t*88-240,760)
x.rotate(-t/5)
x.fillRect(200,0,9,2500)
x.restore()

Apr 25 2024 11:27 AM UTC

}// 135/140

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Blue flame (it takes 25 seconds to complete) #light

u/cantelope

#slowdraw

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BriSeven

remix of d/31655 by u/BriSeven

function u(t) {

eval(unescape(escape`景爨挮睩摴株㴱ⱷ㴱㘬栽⡩ⱷⱨ⤽㹓⡩⭷⤪㤪䌨栩⩃⡴⼴⥼〬椽㔴㭩ⴭ㬩景爨樽ㄲ㭪ⴭ㬩欽栨〬椬琩ⱬ㵨⡫ⱪⱴ⬲⤬砮晩汬剥捴⠴〰⬨椫氩⩷ⰴ〰⬨樫栨氬椬琩⭫⤪眬椯㌦ㄦ♷ⱷ)`.replace(/u(..)/g,"$1%")))

Apr 25 2024 8:56 AM UTC

}// 127/140

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3 Skew melting dance #default

u/_louis

so cool ;-)

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rodrigo.siqueira

remix of d/25755 by u/BriSeven

function u(t) {

x.save(c.style='filter:invert(')
x.font=5/t+4*t+'px a'
x.translate(560,460)
x.rotate(t*73+5.065)
x.fillText(' Dwitter',W=30*t,W)
x.restore()

Apr 24 2024 7:29 PM UTC

}// 140/140

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Dwitter card #text #flower

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BriSeven

function u(t) {

eval(unescape(escape`景爨䠽挮睩摴株㴱ⱳ㴴⩓⠵⩴⤫㔬眽㔰⽳ⱗ㴱㠪猬欽〻欼㐪圪猻欫⬩椽欥坼〬瘽匨琩ⱡ㴨䌨琩ⴱ⤯瘬樽⡫⽗簰⤫椪慼〬搽椫瘪橼〬攽椯猦ㄦ♷ⱸ⹦楬汒散琨䠯㐫搪眬䠯㐫⡪⭡⩤簰⤪眬攬攩`.replace(/u(..)/g,"$1%")))

Apr 24 2024 3:26 AM UTC

}// 130/140

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#default "pixel perfect" rotation with 3 skews

u/BriSeven

eee i got it under 140 chars!
u/BriSeven

for(c.width*=1,k=0;k<1800;k++)i=k%90|0,v=S(t),a=(C(t)-1)/v,j=(k/90|0)+i*a|0,d=i+v*j|0,x.fillRect(400+d*10,400+(j+a*d|0)*10,e=i/5&1&&10,e)
u/BriSeven

124 for(k=c.width*=1,x.scale(10,10);k--;)i=k%90|0,v=1/S(t),a=C(t)*v-v,j=k/90+i*a|0,d=i+j/v|0,x.fillRect(40+d,40+j+a*d|0,i/5&1,1)
u/BriSeven

117 for(k=c.width*=1,x.scale(10,10);k--;)i=k%90|0,a=-T(t/2),j=k/90+i*a|0,d=i+j*S(t)|0,x.fillRect(40+d,40+j+a*d|0,i/5&1,1)

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danny@hille.dk

function u(t) {

w=c.width=88;for(i=5e3;i--;)x.fillRect(X=i%w,Y=i/w|0,.5+.5*S(15*Math.hypot(X-44,Y-26)-t),S(Math.hypot(X-44,Y-26)/w+t))

Apr 23 2024 4:08 PM UTC

}// 118/140

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Event horizon

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rodrigo.siqueira

remix of d/29814 by u/katkip

function u(t) {

c.style.background='#0f7';c.width=900;for(n=4e3;n--;)x.lineTo(450+S(n*94.9+t/6)*450,250+C(n)*79*(4+S(t*8+n)/2));x.fill()

Apr 22 2024 1:51 PM UTC

}// 120/140

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