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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davidsharp

remix of d/6387 by u/davidsharp

function u(t) {

c.width=1920
x.beginPath()
x.lineWidth=10
x.strokeStyle='#f0f'
for(i=0;i<100;++i)x.lineTo(i*19.2,500+S(i/4+S(t)*S(t)*15)*400)
x.stroke()

Jan 23 2018 1:32 PM UTC

}// 136/140

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rodrigo.siqueira

remix of d/25923 by u/rodrigo.siqueira

function u(t) {

for(h=i=y=o=5e3;i--;x.fillRect(i,t*920-(y+=o=r<2?r-t:o-y/h)+C(i*o)*r,1,h))r=t*i**3%40,x.fillStyle=R(5*y/(2+t),y*t+r/2,0,.3)

Sep 13 2022 1:13 PM UTC

}// 123/140

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Wildfire

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Xen

remix of d/7713 by u/anthonylewis

function u(t) {

c.width|=0,x.globalAlpha=.2
for(i=99;i--;x.arc(S(t+7*t%i)*400+960,C(t+i%t)*400+540,i,0,6.28))x.beginPath(x.fill())

Apr 20 2018 7:09 AM UTC

}// 114/140

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magna

remix of d/2367 by u/magna

function u(t) {

c.width=w=400
with(x)filter=`blur(${t&2}px)sepia(1)contrast(2`,font='15em a',fillText('🚃🚃',0,w/2+t%3),fillRect(Math.random()*w,X=0,1,w)

Apr 1 2017 4:40 PM UTC

}// 135/140

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u/codeslaw

Like an old tv :D
u/magna

Works best on Chrome on macOS
u/donbright

didn't know they made speed 3
u/magna

#film #train

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Bravveo

function u(t) {

c.width|=0
for(i=2000;i--;)e=0.0628,x.fillStyle=R(255,C(t+i/1000)*255,0),x.fillRect(960+S(t+i*6284)*125+C(t-i*e)*800,540+T(t+i*e)*999,99,25)

Sep 30 2018 5:47 AM UTC

}// 140/140

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Lava + Spaghetti = This

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iverjo

function u(t) {

c.width=198;x.translate(99,56);for(i=0;i<6.3;i+=.01)r=50*S(i*8*S(t/9)),x.lineTo(r*C(i),r*S(i));x.stroke()

Jul 20 2016 3:16 AM UTC

}// 105/140

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I just discovered that mathematicians call this a rose. See https://en.wikipedia.org/wiki/Rose_(mathemat…

u/iverjo

#rose #flower

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metamero

remix of d/11467 by u/metamero

function u(t) {

eval(unescape(escape`渽挮睩摴栽㤹㭍㵴㽍⹭慰⠨瘬欩㴾⡛測⵮ⴱⰭ測⵮⬱Ⱝㄬㄬ渭ㄬ渫ㅝ⹭慰⡤㴾瘫㵍嬨欫搩╹崬瘦♸⹦楬汔數琨➷✬欥測欯湼〩ⱶ㴰⤬癞㈿瘽㴳㩍孫崩⤺嬮⸮䅲牡礨礽㤪⨴⥝⹭慰⡶㴾䑡瑥⹮潷⡯湣汩捫㵲敳整⤥㌩`.replace(/u(..)/g,"$1%")))

Dec 18 2018 6:38 PM UTC

}// 140/140

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wraparound #gameoflife features : reset on click + "random" initialization + toroidal space

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gabrielsroka

function u(t) {

for(s=192,r=0,y=0;y<5;y++)for(X=0;X<10;r+=5,X++)x.fillStyle=R(r,r,r),
x.fillRect(X*s,y*s,s,s)

Oct 13 2018 10:19 PM UTC

}// 93/140

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timothytomato

function u(t) {

w=window;v=w.v||1;p=w.p+v||0;c.onclick=()=>v=-v*(.5/(v*v)+1)
c.width=192
for(i=10;--i;)x.fillRect(i*10+p,40,5,20)
if(p<-10||p>102){p=0;v=1}

Jan 15 2024 7:42 PM UTC

}// 139/140

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Click to play, don't let it hit the walls! #default #game #interactive

u/tomxor

Hah, the default game :D

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KilledByAPixel

remix of d/17561 by u/pavel

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐢𨡬𭑲𚀱𭡨𚑳𩑰𪑡𚀩𪑮𭡥𬡴𚀱𘠻𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪠽𜠱𛁬𪑮𩑗𪑤𭁨🐲𛁳𨱡𫁥𚀵𛀵𚐻𪠭𛐻𚑦𫱲𚁩🐲𝠻𪐭𛐻𫁩𫡥𢡯𪑮🐢𬡯𭑮𩀢𚑡𬡣𚀱𞐲𛀱𜀸𛀱𛠳𚠪𚁲👪𚱩𙐲𚱴𙐲𚐬𨐽𚁩𚱪𚐥𜠴𛰳𛠸𜐹𝰫𠰨𬠩𛰲𛁡𚐻𮀮𬱴𬡯𪱥𚀩`.replace(/u../g,'')))

Feb 11 2020 8:11 AM UTC

}// 140/140

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jylikangas treatment ;)

u/jylikangas

I was so happy to come up with that trick but even happier now to see it repeated. I found it when I wanted to emulate the appearance of a Vectrex console.
u/KilledByAPixel

the best tricks are often the simplest