Dweets awesomed by u/Joachim

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/17533 by u/tomxor

function u(t) {

u&=R=R|0?0:c.width=w=256
for(T=S,S=C,C=T,i=7e4;j=--i/w|i%w*w;u+=~S[i+5]-~S[i-6])R?x.fillRect(i%w,j%w,1,C[j]=u>33&u<59?u<46|C[j]:j&!t):C[j]=u

Jun 2 2021 3:22 PM UTC

}// 140/140

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Larger #LargerThanLife #Automata Bugs Rule v2

u/tomxor

4x the pixels 2x the speed
u/davidsover

...of Fallout 4
u/Xen

noice
u/donbright

!!!

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KilledByAPixel

remix of d/22907 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󭼽󨼮󭽩󩍴󪌦󟝩󟜱󜌳󝬸󞽩󛜭󞽓󦽩󧜽󤽛󪝝󚽃󦽩󧜯󝍼󯌰󚝶󟝃󦽩󧜽󥌨󪜪󪜪󭌫󚼩󟬱󩜳󟽴󙜵󞭃󦽩󧜪󛬹󛜨󝌪󤽛󪝝󛝓󦽩󛜱󧜭󤽛󪜫󜝝󛝓󦽩󛝷󧜭󤽛󪜫󭽝󚜯󝝼󯌰󛍸󛭦󪝬󫍓󭍹󫍥󟝠󪍳󫌨󙍻󜬱󜌭󤽛󪝝󚬵󯜠󜼹󙜤󮼵󜌫󭬪󜜹󯜥󨌬󮌮󩭩󫍬󤭥󨽴󚍩󙝷󛍩󟬾󝼬󜜬󜜩`.replace(/u../g,'')))

Jun 2 2021 12:45 AM UTC

}// 140/140

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Rain Pool 🌧️

u/KilledByAPixel

#water

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KilledByAPixel

remix of d/22909 by u/KilledByAPixel

function u(t) {

for(c.width=j=w=99;j<6e3;T+=.1)(j%w/50*T-T^T*j/5e3-t^T)%9||x.fillRect(j%w,j++/w,9/T,T=1)

May 31 2021 8:20 PM UTC

}// 88/140

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Voxel Raycasting in 88 bytes!

u/KilledByAPixel

ncorporating tomxor's golfs plus a few more, increased resolution to 99 tall and tweaked the level gen
u/Xen

Nicely done!
u/tomxor

#raymarching
u/KilledByAPixel

higher resolution for(w=c.width&=j=10368;j;T+=.1)(j%w/64*T-T^T*j/8e3-t^T)%9||x.fillRect(--j%w,j/w,8/T,T=1)
u/timothytomato

#witchcraft

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KilledByAPixel

remix of d/22907 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󭼽󨼮󭽩󩍴󪌦󟝩󟜱󜌳󝬸󞽩󛜭󞽓󦽩󧜽󤽛󪝝󚽃󦽩󧜯󝍼󯌰󚝸󛭦󪝬󫍒󩝣󭌨󪜥󭼬󪜾󟬷󛌱󛌨󠽛󪝝󟝃󦽩󧜪󛬹󛜨󝌪󤽛󪝝󛝓󦽩󛜱󧜭󤽛󪜫󜝝󛝓󦽩󛝷󧜭󤽛󪜫󭽝󚜯󝝼󯌰󚜫󛬳󚜊󫽮󫝯󭝳󩝭󫽶󩜽󩜽󟭃󦽥󛭸󚬨󥼽󭼯󪝮󫭥󬭗󪝤󭍨󚜫󚍥󛭹󚭗󯌰󚜪󭽼󜍝🐳`.replace(/u../g,'')))

May 31 2021 4:46 PM UTC

}// 135/140

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Touch Water 👉🌊

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KilledByAPixel

remix of d/22907 by u/KilledByAPixel

function u(t) {

for(w=c.width&=i=10368;i--;S[i]=S[i]+T[i]/4||0)x.fillRect(i%w,i/w,1,T[i]=C(i**3)+T[i]*.9-(4*S[i]-S[i-1]-S[i+1]-S[i-w]-S[i+w])/5||0)

May 31 2021 4:02 PM UTC

}// 131/140

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Plasma

u/KilledByAPixel

#plasma

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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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initramfs

remix of d/18146 by u/joeytwiddle

function u(t) {

for(c.width|=j=99+t|0;j-->t;)for(g=(j-t)*120,i=W=90;i--;)x.fillRect(i?g+i*i/70*S(1e3/i-t*8+j**3):g,500+!!i*i*8,-W-1*S(j*j),i?6:-400-W*S(j))

May 31 2021 4:15 AM UTC

}// 139/140

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u/aleamb

#water #landscape

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KilledByAPixel

remix of d/2337 by u/codeslaw

function u(t) {

for(i=213;i--;)t?x.fillText([...'🟨🟧🟥⬜⬛🟦🟩🟪🟫'][(t*60+d%1e6|i)%9],i*9,t*540):d=Date.now()

May 30 2021 9:31 PM UTC

}// 86/140

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Sierpinski Tapestry Generator 🧶

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rep_movsd

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨🐶𝀰𛁤🐲𛠰𞐬𭁲𨑮𬱬𨑴𩐨𜰲𜀬𜐶𜀩𛁢👴𛁩🐳𞱩𛐭𞱢🐲𛠱𚑲𫱴𨑴𩐨𨠩𛁦𪑬𫁓𭁹𫁥👒𚁋👓𚁡👴𚱩𚡤𚰲𚐪𝰰𚰱𝐰𛁋𚠮𝠵𛁋𛰶𚐬𩡩𫁬𚁮𩑷𘁐𨑴𪀲𡀨𘡍𛐵𜰠𜰰𛐷𞐠𜰰𘀱𜰭𜐳𜐠𜐲𜀠𝐳𘀱𜀷𘀷𝠠𜐳𛐸𝐭𝐳𘀳𜀢𚐩`.replace(/u../g,'')))

May 29 2021 1:08 PM UTC

}// 137/140

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#penrosetriangle with lighting/shading

u/erin

if you change i to 9 it gets rid of the white spots
u/rep_movsd

I purposely kept a small gap to let the edges be visible, else it looks flatter

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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

dwitter.net | Joachim (52289)