Dweets awesomed by u/robbyg

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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robbyg

function u(t) {

for(i=2304,Z=30;i--;x.fillRect(H*Z,V*Z,Z,Z))H=i%64,V=i/64|0,x.fillStyle=R(a=T(C(H)-S(V)-t*2)>0&&Math.random()>.8?255:128,0,0,.05)

Sep 17 2019 8:01 PM UTC

}// 129/140

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Lava

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yonatan

remix of d/15725 by u/katkip

function u(t) {

with(x)for(q=j=65;j--;fillStyle=R(q,j*3,q-i*q),fill(stroke()))for(beginPath(i=5);i--;)arc(960+S(m=i*11+t)*400,340+C(m)*200+j*5,(j&64)*q,0,7)

Sep 17 2019 5:51 PM UTC

}// 140/140

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u/DataMeta

#uncompressed
u/katkip

wow good job
u/pavel

another take with(x)for(r=960,j=65;j--;fillRect(...d))setTransform(2,0,0,1,960,400+4*j),rotate(t),strokeRect(...d=[r,r,r*=-2,r]),fillStyle=R(64,3*j,r=99)

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱸𛡬𪑮𩑗𪑤𭁨🐳𞱦𫱲𚁪🐵𞐻𪠭𛐻𚑻𮀮𨡥𩱩𫡐𨑴𪀨𚐻𩡯𬠨𪐽𝐻𪐭𛐻𚑸𛡡𬡣𚀹𝠰𚱓𚁩𚠱𛠵𝰫𭀩𚠴𜀰𛀳𝀰𚱃𚁩𚠱𛠵𝰫𭀩𚠲𜀰𚱪𚠵𛀰𛀰𛀷𚐻𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤👸𛡦𪑬𫁓𭁹𫁥👒𚀷𜀬𪠪𜰬𝐰𛑩𚠹𞐩𛁸𛡦𪑬𫀨𮀮𬱴𬡯𪱥𚀩𚑽`.replace(/uD./g,'')))

Sep 17 2019 5:13 PM UTC

}// 139/140

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c.width*=1;x.lineWidth=3;for(j=59;j--;){x.beginPath();for(i=5;i--;)x.arc(960+S(i*1.57+t)*400,340+C(i*1.57+t)*200+j*5,0,0,7);c.style.background=x.fillStyle=R(70,j*3,50-i*99),x.fill(x.stroke())}

Show more comments…
u/Lazy1337

neat style
u/KilledByAPixel

👍
u/0x04

Moiré pattern FTW! 😵
u/DataMeta

Stylish!
u/katkip

Thx.
u/yoginth

cool

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KilledByAPixel

function u(t) {

$="󐏿𐇀񥐃򬊪🪬񥓩񻏿󹾬􏾯󻏿󻾰񌃬󼏿񋾬􏾯򽺪󿪷򺣗🀀񅿰򺰾񬏽🿰󓰿"
eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𞐹𛁩🐲𝀰𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𩠨𜐶𞀩𚱩𙐱𝐬𩠨𞀱𚐫𪐯𜐵𯀰𛁶🐨𙀮𨱨𨑲𠱯𩁥𠑴𚁩𛰵𚐾🡩𙐵𚠲𙠳𚐯𜰬𭠩𚑦👷🐾𚁭🐨𝠰𚡴𙑷𚱷𚐥𭱼𜀩🡷𛰲🱷𛑭𞡭`.replace(/u../g,'')))

Sep 17 2019 4:45 PM UTC

}// 137/140

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Bounce Back Screensaver

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camel_case

function u(t) {

x.beginPath(n+=g[p+=g[p-n]||p<n?n:-n]=9)
x.arc(q+p,540,Math.abs(p-q),h*n,h*n+h)
x.stroke()
q=p
}{var n=p=q=f=0,g={},h=Math.PI

Sep 17 2019 12:12 PM UTC

}// 125/140

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The Recamán Sequence

u/camel_case

https://www.youtube.com/watch?v=FGC5TdIiT9U&…
u/MAxSaL

I like your name ;-)

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smtsjhr

function u(t) {

c.width=1920
for(n=0;n<50;n++) 
for(u=0;u<90;u++){x.fillStyle=R(0,0,255,.1)
x.fillRect(30*u-200,1000*S(5*u*n-.15*t)+100,100,100)}

Sep 15 2019 6:38 AM UTC

}// 133/140

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Caustic Shimmer

u/smtsjhr

dip your toes in at least!
u/taupelink

Nice!
u/joeytwiddle

#water

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KilledByAPixel

function u(t) {

o="񏰀􏸿򺯼񳵕􀕓򺬖򤰀𦁓𐁐𤰀𤁏󓼓𣰀󔁓𐁐񢅕𠕈񥜨􀿿󚀏񥏁򳰂􀀏񌏀"
eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼🐰𛁩🐲𝀰𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𭀥𜐼𛠵🱘𞠱𞀶𜀭𦀬𚁩𛰱𝑼𜀩𚡃𛁃𛁃🐶𞀩𚑸𛡦𪑬𫁓𭁹𫁥👒𚁶🐨𫰮𨱨𨑲𠱯𩁥𠑴𚁩𛰵𚐾🡩𙐵𚠲𙠳𚐪𞐵𛁶𛁶𚐬𦀽𝀲𜀫𪐥𜐵𚡃`.replace(/u../g,'')))

Sep 15 2019 3:43 AM UTC

}// 140/140

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Play my JS13k game Bounce Back! https://js13kgames.com/entries/bounce-back

Show more comments…
u/tomxor

Nice game :)
u/KilledByAPixel

Thanks!
u/LovelyRita

Nice!
u/tomxor

L-7, i'm loving this, i can't help but think the circles are breakfast cerial :D
u/metamero

so cute <3
u/Purpzie

how the actual flip did you get 232 characters in there
u/KilledByAPixel

416 bytes, 140 characters ;)
u/tomxor

Or 140 unicode code-points (how the server evaluates length), 232 UTF16 chars (how JS in the browser evals length), and 198 effective bytes (134 chars provided by the escape compressor as 2 bytes per surrogate pair, and 60 bytes in the image manually packed into the string "o" with 20 bits per surrogate pair + 4 chars for variable assignment outside)... :) yay i'm learning about arcane UTF16 stuff.
u/KilledByAPixel

#pixelart

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jlidbeck

function u(t) {

with(Math)for(i=c.width=1e3;i-=20;)for(j=600;j-=20;)m=i-t*99,n=j-249,u=5*atan2(m,n),v=log(m*m+n*n)*5,z=46-v+7*C(u+v-t*5),x.fillRect(i,j,z,z)

Sep 13 2019 2:43 AM UTC

}// 140/140

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Gravity Waves

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑴🱔👴🠳🰱𞡴𛰳𞡦𪑬𫁒𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𛁢👍𨑴𪀮𨑢𬰨𜰭𝀪𥀩𛁦𫱮𭀽𨀤𮱱🐹𝠰𯐠𙁻𝀰𜀪𥁽𬁸𘁡𬡩𨑬𨀬𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱴𚠹𞑽𘀹𞐥𝐰𙑠𛁦𪑬𫁔𩑸𭀨𙱂𣱕𣡃𡐧𛁱𛑔𚡱𛀵𜀰𛑢𚠱𝠵𚐬𩡩𫁬𥁥𮁴𚀧𠡁𠱋𙰬𬐭𥀪𝠰𜀬𝰱𜀫𨠪𜐲𝐩`.replace(/u../g,'')))

Sep 13 2019 12:53 AM UTC

}// 140/140

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Play my JS13k game BOUNCE BACK! https://js13kgames.com/entries/bounce-back

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robbyg

remix of d/15668 by u/mildlybean

function u(t) {

for(c.width=X=20;X--;)for(Y=11;Y--;)x.fillRect(X,Y,a=S(X+t-Y),C(Y+t+a))

Sep 12 2019 8:51 PM UTC

}// 71/140

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Beats me. I just thought it looked pretty.

dwitter.net | robbyg (46830)