Dweets awesomed by u/neimad

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: #Opposites

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HardlyProductive

function u(t) {

for(c.width|=i=200;i<9999;i++){f=d=>{x.globalAlpha=400/i;x.fillRect(700+d*S(i/99-6*t)*i/99,500+d*C(i/99-6*t)*i/99,10,10)};f(15);f(-15)}

May 5 2024 4:14 AM UTC

}// 135/140

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lewdev

remix of d/28307 by u/KilledByAPixel

function u(t) {

t?onmousemove=e=>(X=e.x*4,Y=e.y*4):X=Y=0
for(j=5e3;r=j--/(9-++t%9);x.fillRect(j,0,.2,2e3))x.clearRect(C(j)*r+X,S(j*j)*r+Y,r>>=8,r)

May 5 2024 3:23 AM UTC

}// 130/140

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Tiny Starfield 🌠🖱 Mouseover to change view angle!

u/cantelope

innovative
u/lewdev

Thanks u/cantelope but credit definitely goes to u/KilledByAPixel for making "Tiny Starfield" so tiny (93b)!
u/lewdev

I found a similar amazing use of onmousemove with d/24231 by u/Joachim
u/magna

You can avoid having to initialize X and Y by hijacking existing globals you don't use like T and R.
u/lewdev

Great tip u/magna! I was thinking about that a lot to cut out bytes recently.

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lewdev

remix of d/21340 by u/Billedluh

function u(t) {

for(j=k=30;j--;)x.font=(s=2**((2*t+j/3)%9))+"em'",x.fillText(String.fromCodePoint(128640+j),1e3+(.7-j%3)*s*k,s*k)

May 3 2024 9:59 PM UTC

}// 113/140

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🚒🚘🚆🚉🚁 Planes, Trains, Cars, etc (golfed -87b)

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rodrigo.siqueira

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󞜻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌹󞜪󪜫󝜴󜌬󝜰󜌬󝜰󛌲󜌰󚜩󨼮󬽴󮝬󩜮󨭡󨽫󩽲󫽵󫭤󟜧󫍩󫭥󨝲󛝧󬭡󩍩󩝮󭌨󘼱󝝡󘌰󙜬󘽦󨬷󘌵󝬥󛌣󞌵󝬠󝬶󙜬󘼱󜼵󘌹󞜥󚜧󒭦󫽲󚍗󟜶󝬰󚬡󭌻󥼭󛜻󮌮󩍲󨝷󢝭󨝧󩜨󨼬󛝗󛍗󛌱󞜲󜌫󜬪󥼬󜜴󞌰󛝗󚜩󮌮󩽬󫽢󨝬󠝬󬍨󨜽󛬰󜌵`.replace(/u../g,'')))

May 3 2024 9:51 PM UTC

}// 137/140

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Dwitter Horizon #default #sunset #shadow

u/magna

Nice!
u/jdspugh

Great!

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rodrigo.siqueira

function u(t) {

c.style.background=`#038`
for(c.width=i=1920;i--;x.fillRect(960+k*S(i/200-t/2),240+C(t+i/99)*99+k/9,5,k))x.fillStyle=R(S(t)*i/5,i/9,k=i/3)

Apr 30 2024 12:39 PM UTC

}// 138/140

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Color ribbon

u/Xen

shexy!
u/lewdev

Reminds me of the Windows 11 background.
u/TGY

#windows11

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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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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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Agnes

function u(t) {

for(c.width|=i=9;i--;x.rotate(t+i),x.scale(S(i+t),C(i+t)),x.fillText("🃏",-.5,-.5))x.setTransform(10,0,0,30,400+(i+.5)*100+S(t)*300,500)

Apr 24 2024 6:06 AM UTC

}// 135/140

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Balatro #default

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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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rodrigo.siqueira

remix of d/31647 by u/rodrigo.siqueira

function u(t) {

c.style.background='#eda';c.width=900;for(n=3e3;n--;)x.lineTo(450+(C(t*9+n)/9+1)/S(n/0.9549+n)*99,250+S(n*3)**27*50*(4+C(t*8+n)/2));x.fill()

Apr 23 2024 6:39 PM UTC

}// 140/140

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