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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iverjo

function u(t) {

c.width=96;for(i=5184;i--;)X=i%96-48,Y=0|(i/96),z=S(t*3)/4+.5,x.fillRect(X+48,Y,S((X*C(t)-Y*S(t))*z),S((X*S(t)+Y*C(t))*z))

Feb 28 2017 10:17 PM UTC

}// 122/140

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This was my first attempt at creating a rotozoom effect. Created in February 2016

u/iverjo

#rotozoom

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username

remix of d/15819 by u/username

function u(t) {

with(x)font=`92em'`,fillStyle=`#a23`,fillRect(C(t)*(y=960)+y,(t/9)*y-y,9,y),fillStyle=`#fff`,






fillText(`hi there :)`,0,y,2*y)

Sep 27 2019 2:45 PM UTC

}// 131/140

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SockTaters

remix of d/32808 by u/lewdev

function u(t) {

for(x.fillRect(0,0,W=c.width|=i=2,W);i--;)x.fillText([...x.font="3in'🌎🌍🌏⛳🌚🌒🌓🌔🌝🌖🌗🌘"][i?8|t%8:4|t%3],800+i*C(t)*800,i?670+S(t)*220:600)

Nov 21 2024 2:52 AM UTC

}// 133/140

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(golfed -10b) 🌍🌝 Moon floating around earth (both rotating now)

u/SockTaters

not sure if this fixed or introduced a bug by rendering all 8 phases of the moon. It seems to fall out of phase fster
u/SockTaters

132b but no font string trick: for(x.fillRect(0,0,W=c.width|=i=2,W);i--;x.fillText([..."🌚🌒🌓🌔🌝🌖🌗🌘🌎🌍🌏"][i?t&7:8|t%3],(1+i*C(t))*800,i?670+S(t)*220:600))x.font="3in'"
u/lewdev

Nice! I was really struggling to remove just 3 characters and you got rid of 10!

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taupelink

remix of d/24607 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽挮睩摴栽ㄶ〻洭ⴻ砮獴牯步⠩⥶㴮㌫㌯䵡瑨⹬潧⡭⤬堽匨洭琯㐩ⱙ㵓⡭⩭⭴⼸⤬砮獴牯步却祬攽刨椽津㤹⬵〬椯㵶Ⱪ⼽瘬瘪⨮㔩ⱸ⹬楮敗楤瑨㴹⽶ⱸ⹢敧楮偡瑨⠩ⱸ⹡牣⠸〪⬫堬㐵⨫⭙ⰲ⩶ⰰⰳ⤠`.replace(/u([^D].)/g,'$1%')))

Dec 22 2021 1:42 PM UTC

}// 140/140

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d/24609

u/tomxor

Swarm of flying saucers :D ... and a blue Death Star!

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taupelink

function u(t) {

x.strokeStyle=`hsl(${(r=Math.random)()*360},90%,50%,.1)`
x.lineWidth=3
x.strokeRect(r()*1920,r()*1080,s=r()*300,s)

Jun 14 2019 10:18 PM UTC

}// 114/140

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Just a bunch of rectangles

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katkip

function u(t) {

for(i=9;i--;)x.fillRect(400+i*100+S(t),400,50,200)
for(o=3;o--;)c.style.transform+=`rotate${"XYZ"[o]}(${t*99+o*45}deg)`

Jul 21 2019 7:52 PM UTC

}// 119/140

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#glitch #rotate #transform #dom #css #default

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tzador

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𒡚👛𜁝𒡦𫱲𚁎🐱𜐻𣠭𛐻𚑚👛𛠮𛡚𛀰𛀮𛠮𦠮𬡥𭡥𬡳𩐨𚐮𫑡𬀨𥠽🠱𛑖𚑝𒡸𛡴𬡡𫡳𫁡𭁥𚀹𝠰𛀵𝀰𚐊𮀮𫁩𫡥𥁯𚀰𛀰𚐊𩡯𬠨𥀠𫱦𘁚𚑸𛡲𫱴𨑴𩐨𤰨𭀩𚠨𥀪𣑡𭁨𛡐𢐭𣑡𭁨𛡐𢐯𜠩𚐬𮀮𭁲𨑮𬱬𨑴𩐨𜐰𛀰𚐬𮀮𫁩𫡥𥁯𚀰𛀰𚐊𮀮𬱴𬡯𪱥𚀩`.replace(/uD./g,"")))

Feb 25 2025 5:50 PM UTC

}// 140/140

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Pulsating #dragon

u/rodrigo.siqueira

#dragoncurve

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lars-erik

function u(t) {

c.width=w=128
c.style.filter=`invert(90%) blur(5px)`
for(z=w;z--;)for(y=96;y--;)if(Math.floor(z**t/1e3*y)%30==0)x.fillRect(z, y, 4, 4)

Apr 24 2021 1:02 AM UTC

}// 135/140

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I have no idea what I'm doing™ #1

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rodrigo.siqueira

remix of d/17426 by u/rodrigo.siqueira

function u(t) {

for(i=880;i--;x.fillStyle=R(Y/2.5-r/(350+S(t*2)*300),0,r/2000,.8))x.fillRect(X=S(r=i*i)*i*3+i*C(t*3)+900,Y=C(r)*i+390+S(t*2)*i/3,i,i)

Jan 31 2020 6:05 PM UTC

}// 133/140

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Underwater lava cave #perspective

Show more comments…
u/tomxor

I keep switching perception between cave and mountain top, it gets stuck on mountain top... i can't control it 😳
u/sigveseb

I don't see mountain top 🤔 how?!
u/tomxor

funny, i can't see anything else now... it;s like looking down from above a mountain peak. Maybe imagine you are looking down from a circling helicopter.
u/rodrigo.siqueira

This #illusion is called "bistable perception". When I posted it was looking like a cave, now it seems to keep changing between mountain top and cave. I prefer a cave.
u/sigveseb

yes, I see it now!
u/rodrigo.siqueira

#tunnel
u/joeytwiddle

To see the mountaintop, maybe look at the blue and imagine it is the floor or the sea, far away.

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rodrigo.siqueira

remix of d/17321 by u/Xen

function u(t) {

with(x)for(i=a=2e3;i--;u=C(t/2+i),fillStyle=R(b=u*290,i%b,i/13,.5),arc(1e3+a*C(t/9+i/20)*u,540+i*T(i)*u,i/28*(u+1)*4,0,7))beginPath(fill())

Jan 22 2020 5:23 AM UTC

}// 139/140

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