Dweets awesomed by u/Leodude123

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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lionleaf

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<19;i++)
x.fillRect(200+i*S(t)*S(t)*49,400,50,200) // draw 50x200 rects

Feb 1 2020 12:08 AM UTC

}// 113/140

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New theme! #growth #default #loweffort

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pavel

remix of d/17175 by u/pavel

function u(t) {

for(i=c.width|=p=355/226;i--;x[i&5?'arc':'moveTo'](960,600-50*z,2e3/z,b=((i>>3)*2+S(i*p)-z)/8%4*p,b))z=2.5-2*t%1+(i>>7)+C(i*p)/2;x.fill()

Jan 17 2020 2:47 AM UTC

}// 137/140

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u/aleamb

amazing!
u/tomxor

ooh, toroidal chess?
u/katkip

#tunnel

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Leodude123

function u(t) {

eval(unescape(escape`猽挮獴祬攻献扡捫杲潵湤䉬敮摍潤攽❳捲敥渧㭦潲⡢㵛椽㤹崻椭ⴻ扛楝㵠牡摩慬ⵧ牡摩敮琨⑻匨椪椩⨲⬲⸵絥洠慴․笵〫ㄵ⩓⡱⥽┤筙紥Ⱔ筒⠲㔵ⱙⱙ⼷ⱙ⼴㤭⸳⥽Ⱓ〰〩怩夽㐸⬲㘪䌨焽椫琩㭳⹢慣歧牯畮搽戻`.replace(/u(..)/g,"$1%")))

Jan 15 2020 6:33 PM UTC

}// 140/140

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u/KilledByAPixel

nice, what did you change?
u/Leodude123

Nothing!
u/lionleaf

Looks like the previous one is missing a )

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katkip

remix of d/17233 by u/katkip

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👩🐹𛁱🐱𜠰𞱩𛐭𞱣𛡳𭁹𫁥𛡴𬡡𫡳𩡯𬡭👠𬱣𨑬𩐨𙁻𝀫𤰨𭀪𜰩𯐩𘁰𩑲𬱰𩑣𭁩𭡥𚀤𮰴𜀫𠰨𭀪𜠩𚠱𜁽𬁸𚐠𬡯𭁡𭁥𦀨𙁻𤰨𭀩𯑲𨑤𚐠𬡯𭁡𭁥𦐨𙁻𤰨𭀩𚠹𯑤𩑧𚑠𚑦𫱲𚁪🐹𞱪𛐭𞰩𮀮𩡩𫁬𤡥𨱴𚁩𚠲𝀰𚱱𚠨𪠦𜐩𛑱𚡴𙑱𚠲𛁪𚡱𛁱𛁱𚐠`.replace(/uD./g,'')))

Jan 15 2020 2:58 PM UTC

}// 140/140

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New_Core

remix of d/17189 by u/yonatan

function u(t) {

x.fillRect(0,0,w=2e3,w)
for(let i=480;i--;x.strokeRect(0,560+i,w,w))x.setLineDash([i]),x.lineDashOffset=-960%i+i*t*5,x.strokeStyle=R(i)

Jan 14 2020 1:32 PM UTC

}// 135/140

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u/Xen

nice!
u/katkip

#floor
u/sEkKi

Bruh
u/jeyko

you can save characters by removing "let"

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yonatan

function u(t) {

for(i=c.width=300;i--;x.strokeRect(-300,i-50,600,9))x.setLineDash([i*(S(t)+1.5)])

Jan 13 2020 2:54 AM UTC

}// 81/140

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WasifBoomz

function u(t) {

x.setLineDash([10*t,10*t])
x.strokeStyle=R(20*t,255-t*20,255-t*40)
x.strokeRect(25*t,25*t,100*t,100*t)

Jan 9 2020 3:44 PM UTC

}// 102/140

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Leodude123

function u(t) {

c.width=1920
var i=1
//while(true)
{
x.fillStyle = R(188,225*S(t),11,1)
x.fillRect(400+i*100+S(t)*300,400,500,500) 
i++
}

Dec 24 2019 11:40 PM UTC

}// 121/140

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How do I get rid of the lag?

u/katkip

You don't need permanent loops. That will timeout the frame. u(t) is already calling every 1/60 seconds
u/joeytwiddle

That's right. The website is already doing something like while(true) for you (actually requestAnimationFrame())
u/Leodude123

Oh

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Xen

remix of d/16962 by u/Xen

function u(t) {

for(c.width|=i=84;i--;x.lineWidth=5)
x.arc(p=c.width/2,p/2,i*8,i*t/7,i/t)
x.stroke()

Dec 24 2019 8:54 PM UTC

}// 84/140

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sybarita

function u(t) {

c.width=3333
c.height=3333
for(i=0;i<46;i++,x.fillStyle=R(i*6,200*C(3*t),255-(5*i)))x.fillRect(1500,920+20*i*S(2*t),i*25*C(2*t),8*C(t))

Dec 24 2019 4:04 AM UTC

}// 135/140

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rainbow spinning bars, first dweet bear with me!

u/Xen

onlyneed to set width, extra tasty byte ;-)
u/sybarita

thanks ya i realized that after i did these ones super big accidentally, since i had already set it super wide the bottom half of the canvas was empty so i just changed the height val instead of scaling all the other values cause im lazy. used your guide to get started playing with these btw, thanks for that!
u/Xen

omg really? glad it helped :-)

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