Dweets awesomed by u/timothytomato

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: #Food

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tomxor

remix of d/22883 by u/tomxor

function u(t) {

eval(unescape(escape`󭌿󨼮󭽩󩍴󪌽󭼽󝬴󞭘󟝙󟝚󟝒󟜵󞽦󫽲󚍡󟝓󚍒󚜬󨬽󠼨󤬩󛍰󟜳󩜳󞽰󛜭󞽘󛜽󪼪󨜬󦬭󟝫󚭢󛍙󚼽󪼪󠬬󤬭󟝫󚭁󛍸󛭦󪝬󫍒󩝣󭌨󬌥󭼬󬌯󭼬󜜬󜬭󝌯󩌩󚝦󫽲󚍁󟝰󙝷󛼳󜬭󜜬󠬽󬌯󜝥󜼬󩌽󜜻󚍘󚽤󚭁󚭢󛝤󚭡󧭙󚽤󚭂󧭚󛝤󚭁󚭡󛝤󚭢󚜥󜜵󟬱󞽤󚼽󛬱󚝫󟜨󜜭󜼯󩌯󩌩󛼲󩜴`.replace(/u../g,'')))

May 31 2021 3:37 PM UTC

}// 140/140

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Leisurely Descending a #minecraft cave v2

u/tomxor

Less of a maniac miner... now that dwitter perf is better.
u/tomxor

#raymarching

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New_Core

remix of d/22926 by u/New_Core

function u(t) {

for(w=c.width|=i=a=560;i--;x.fillRect(960+(w*S(d*.9))*Z,a+(w*C(d))*Z,Z*a,Z*a))b=w*T(i>>5)/a,Z=60/(i%30+w/8+100*S(d=t+b)),x.fillStyle="#55f1"

May 31 2021 3:13 PM UTC

}// 140/140

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New_Core

function u(t) {

for(w=c.width|=i=a=560;i--;x.fillRect(960+(999*S(t*.8)+w*S(i>>5))*Z,a+999*C(t*1.4)*Z,Z*a,Z*a))Z=99/(i%w+w/7+200*S(t*.9)),x.fillStyle="#55f1"

May 31 2021 11:19 AM UTC

}// 140/140

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Aerogel cubes?

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erin

remix of d/13906 by u/KilledByAPixel

function u(t) {

f=(s,w,o)=>(m=(S(i*Z+s)*233*t%w)%w,m)
for(c.width|=i=Z=e=999;i--;)x.fillRect(f(1,e,Z),f(2,e,Z),9,9)

May 31 2021 1:47 AM UTC

}// 99/140

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dot dance

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KilledByAPixel

remix of d/22894 by u/KilledByAPixel

function u(t) {

for(c.width=j=w=64,i=2e5;i--;)(j%w/32*T-T^t+w+T*j/2e3^T)%7?T+=.1:x.fillRect(j%w,j/w,9/T,T=1,++j)

May 30 2021 11:40 PM UTC

}// 96/140

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Sub 100 byte voxel raycasting!

u/tomxor

🤯 took a while to click: pixels and marching in a single for loop! + entire ray calculation inside the fractal (due to orthogonal camera rotation)
u/tomxor

-6 chars for(c.width=j=w=64;j<3e3;)(j%w/32*T-T^t+w+T*j/2e3^T)%7?T+=.1:x.fillRect(j%w,++j/w,9/T,T=1)
u/tomxor

#raymarching

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metamero

function u(t) {

pauseDemo=parent.postMessage({type:'error',error:`Greetings from metâmero! 🎩 ${`｜╱―╲`[2*t&3]}\n`+Date(),location:"h"},'*')

May 30 2021 11:08 PM UTC

}// 122/140

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Hello New dweet

u/KilledByAPixel

lol nice one
u/rep_movsd

I see nothing :think:
u/metamero

click on "New dweet" button

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erin

remix of d/22898 by u/KilledByAPixel

function u(t) {

!t&&document.write`impostor <input type=div style=width:3em;border-radius:3em;background-color:black>`

May 30 2021 1:06 AM UTC

}// 102/140

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KilledByAPixel

remix of d/22883 by u/tomxor

function u(t) {

for(c.width=w=64,a=S(t),p=3e3;B=p--/1e3;x.fillRect(p%w,p/w,2-7/T,T=1))for(A=p%w/32-1;(9-T*A-T*a^t*9+w+T*B|6-T*A*a+T)%15>1;T+=.1);

May 28 2021 10:49 PM UTC

}// 129/140

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Voxel Descent ⛏️

u/KilledByAPixel

More golfed... for(c.width=w=64,p=3e3;p--;x.fillRect(p%w,p/w,2-7/T,T=1))for(A=p%w/32-1;(9-T*A-T*R^t*9+w+T*p/1e3^6-T*A*R+T)&3;T+=.1)R=S(t)
u/tomxor

#raymarching

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KilledByAPixel

remix of d/22883 by u/tomxor

function u(t) {

t?t*=180:X=Y=Z=R=8
for(a=S(R),b=C(R),p=2e3;p--;x.fillRect(p,t,2-8/T,T=3))for(A=p/1e3-1,B=t/800;(X-T*a^Y+T*B^Z+T*(A*b-A*a-b))%15>1;T+=T/99);

May 28 2021 5:33 PM UTC

}// 139/140

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Dweetcraft HD Render ⛏️

Show more comments…
u/KilledByAPixel

I just now realize the t? part isnt necessary
u/taupelink

whoa
u/KilledByAPixel

More golfed: for(a=S(8),b=C(8),p=2e3;p--;x.fillRect(p,t*480,2-8/d,8))for(d=3;(8-d*a^8+d*t^8+d*((p/1e3-1)*(b-a)-b))%15>1;d+=d/99);
u/Toby

what is this sorcery?!
u/rep_movsd

Even this dweet got 100x faster
u/tomxor

#raymarching

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tomxor

remix of d/20405 by u/tomxor

function u(t) {

eval(unescape(escape`𭀿𨰮𭱩𩁴𪀽𭰽𝠴𞡘👙👚👒🐵𞱦𫱲𚁡👓𚁒𚐬𨠽𠰨𤠩𛁰🐳𩐳𞱰𛐭𞱘𛐽𪰪𨐬𦠭👫𚡢𛁙𚰽𪰪𠠬𤠭👫𚡁𛁸𛡦𪑬𫁒𩑣𭀨𬀥𭰬𬀯𭰬𜐬𜠭𝀯𩀩𚑦𫱲𚁁👰𙑷𛰳𜠭𜐬𠠽𬀯𜑥𜰬𩀽𜐻𚁘𚱤𚡁𚡢𛑤𚡡𧡙𚱤𚡂𧡚𛑤𚡁𚡡𛑤𚡢𚐥𜐵🠱𞱤𚰽𛠱𚑫🐱𩐭𝀭𜱥𛐴𛱤𛱤`.replace(/u../g,'')))

May 28 2021 12:53 AM UTC

}// 140/140

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Descending a #minecraft cave

Show more comments…
u/tomxor

Significantly faster in Firefox! #raymarching
u/tomxor

Seriously, it's like 30x faster, this is going to be my test case for fixing Dwitter perf
u/KilledByAPixel

Wow! 🤯 Runs great in capjs ;) Though I did need to disable loop protect to get the full render.
u/DataMeta

this is insane
u/Xen

love it!
u/yonatan

you've outdone yourself!
u/13thptr

Speechless.
u/rep_movsd

I cant even!
u/rodrigo.siqueira

As @aemkei said: "This piece is insane!" https://twitter.com/aemkei/status/1398235717…
u/DaSpider

Wait. What?
u/tomxor

Woooo perf fixes are merged! :D Big shout out to u/LionLeaf and u/KilledByAPixel for working through this with me. Keep an eye out for issues and let us know on discord if you spot any regressions.
u/jellyedwards

That's incredible!
u/donbright

:o

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