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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danny@hille.dk

function u(t) {

t||(x.translate(960,550),x.rotate(4.7))
t<23&&x.lineTo(C((t*=5)+S(t))*5*t,S(t+C(t+t))*5*t)
x.stroke()

Dec 8 2023 8:16 PM UTC

}// 101/140

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christmas tree scribble (I you have a really good imagination)

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magna

remix of d/32609 by u/skeletonNatte

function u(t) {

for(i=c.width=256;i<4e4;)x.fillRect(i&255,i++>>8,Math.random(),1)

Oct 21 2024 5:24 PM UTC

}// 65/140

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smoller TV static

u/magna

anyone care to throw in a PRNG to replace Math.random()?
u/lewdev

Nice, you had me beat by 1b with i++>>8!

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ximavus

remix of d/34636 by u/ximavus

function u(t) {

eval(unescape(escape`𬰽𥀨𭀩𒡺👍𨑴𪀮𬡡𫡤𫱭𒡴🱸𛡲𩑳𩑴𚁯𫡭𫱵𬱥𫑯𭡥👥🐾𭠮𬁵𬱨𚁛𩐮𮀪𜰮𝀬𩐮𮐪𜰮𝁝𚐩𞡶👛𫱮𪱥𮑤𫱷𫠽𪰽🡸𛡲𩑳𩑴𚁶👛𧐩𧐊𮀮𫁩𫡥𥱩𩁴𪀽𜠊𩡯𬠨𨐠𫱦𘁶𚑸𛡬𪑮𩑔𫰨𨑛𜁝𚰽𮠨𚐪𬰭𬰯𜠬𨑛𜑝𚰽𮠨𚐪𬰭𬰯𜠬𞐬𞐩𒡸𛡳𭁲𫱫𩐨𚐊`.replace(/u../g,"")))

Dec 27 2025 3:39 PM UTC

}// 136/140

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Line dissolve!

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heyitsguay

remix of d/10397 by u/heyitsguay

function u(t) {

x.filter='blur(6px)hue-rotate(1deg'
x.drawImage(c,0,0)
x.fillStyle='#db1'
for(i=8;i--;)x.fillRect(960+C(t+i)*960,250+S(t/i)**5*620,39,39)

Oct 18 2018 10:37 PM UTC

}// 137/140

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Pascal

function u(t) {

for(i=120;k=--i**.2;x.font=`${300/k}px'`)x.fillText([...'🍭🍬🍦🍭🍧🍬🍨🍩🍭🍬🍪🍫'][Math.round((k+i)%11)],160*(i%k*7)+99*S(t)**3-300,(t++%k*600)*1.8-50)

Jan 2 2021 9:37 PM UTC

}// 140/140

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sugar overdose #candy

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pavel

function u(t) {

for(let i=c.width|=0,p=355/226;i--;x[i&5?'arc':'moveTo'](960,540,2e3/z,b=p/4*((i>>3)+S(i*p)/2+4*t+z/2),b))z=2-4*t%1+(i>>7)+C(i*p)/2;x.fill()

Jan 11 2020 8:41 PM UTC

}// 140/140

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Aw this is broken in Safari

u/aleamb

#tunnel #d3

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deobfuscate

function u(t) {

c.width+=0
for(i=50;i--;)x.fillRect(S(t-i)*960+960,(a=540),C(t-i)*50,T(t+i)*300)
x.globalCompositeOperation='xor'
x.fillRect(0,a,2e3,a)

May 8 2023 3:05 PM UTC

}// 135/140

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Parallel Universes

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jonspieg

function u(t) {

c.width=1920
P=54
for(i=0;i<12;i++){x.beginPath()
x.arc(860+400*C(5*t*(P+i)/P),970-70*i,90,0,6.3)
x.fill()
x.strokeStyle='white';x.stroke()}

Jul 26 2017 6:57 PM UTC

}// 140/140

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go_rs

function u(t) {

x.font="bold 220px Open Sans"
for(i=80;i--;)x.fillRect(960-C(i+S(t))*900, 500+C(i-C(t))*480,2,2)
x.fillText("ThoughtWorks",230,560)

Mar 21 2021 5:22 PM UTC

}// 131/140

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better than nothing #3

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rodrigo.siqueira

remix of d/27529 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,w=2e3,w),i=2e4;i--;x.fillRect(960+S(p=T(i*i)/9)/(Z=(i/T(i+t)+i*i/340)/i/i),530+C(p)/Z,3,3))x.fillStyle=R(i,i%200,0,.05)

May 16 2023 11:43 AM UTC

}// 138/140

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Golfed fire suggestion by u/deobfuscate using a single x.fillStyle instead of separate ones for the black background and colored pixels.

u/deobfuscate

Neat
u/magna

Now make it the Quake logo
u/Xen

love it!
u/donbright

legendary