Dwitter - javascript demos in 140 characters

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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

show FPS hide FPS share fullscreen

shandriy

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󜜱󛍣󛭷󪝤󭍨󟜹󝬻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌴󝼫󤼨󭌫󚍯󟝩󚬲󚜩󚬲󜌪󠼨󫼩󛌲󝬫󤼨󭌫󫼩󚬲󜌪󤼨󫼩󛌲󛌲󚜩󩭯󬬨󪬽󜼰󜌻󪬭󛜻󚝸󛭦󪝬󫍒󩝣󭌨󝌸󚽓󚍪󚼨󫼽󪜪󜬩󚜪󝬰󚭃󚍯󚜬󜬷󚽓󚍪󚽯󚜪󝬰󚭓󚍯󚜬󛬳󛌮󜼩`.replace(/u../g,'')))

Aug 8 2024 7:35 PM UTC

}// 121/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

All points moving on straight lines

u/shandriy

Original code: for(i=11,c.width=96;i--;x.fillRect(47+S(t+(o=i*2))*20*C(o),26+S(t+o)*20*S(o),2,2))for(j=300;j--;)x.fillRect(48+S(j+(o=i*2))*60*C(o),27+S(j+o)*60*S(o),.3,.3)

show FPS hide FPS share fullscreen

xem

function u(t) {

x.font="29px a";x.fillText("All the bytes you can use in #js13kgames",9,19);for(i=1024/8;i--;)for(j=13*8;j--;)x.fillRect(9+14*i,30+10*j,7,7)

Aug 8 2024 8:53 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

You have 13312 bytes to make a game! #js13kgames starts on august 13 at js13kgames.com

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

remix of d/32199 by u/384.cz

function u(t) {

!(z=t/2)&&(X=Array(N=540).fill(960),Y=Array(N).fill(N))
for(i=N;i--;)x.fillRect(X[i]+=S(k=i+z/9+S(t))*z,Y[i]-=C(k)*z,z,z)

Aug 8 2024 2:27 PM UTC

}// 121/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Volumetric growth

show FPS hide FPS share fullscreen

lewdev

remix of d/32212 by u/lewdev

function u(t) {

A='😃✨'
for(c.width|=i=0;x.font=i?C(t+i)*90+150+"px'":"9in'",i<47;i++)x.fillText([...A][i?1:0],i?S(t+i)*500+900:400,i?C(t+i)*120+300:999)

Aug 9 2024 12:31 AM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

✨ My sparkling halo!

u/cantelope

😇

show FPS hide FPS share fullscreen

xem

function u(t) {

eval(unescape(escape`𨐽𜀻𨠽𚁨𛁺𚐽🡸𛡦𪑬𫁒𩑣𭀨𞐹𚰨𨐫𚰩𚠲𞐰𛀹𞐬𞐹𛁨𚠹𚐻𮀮𩡯𫡴🐢𜰹𬁸𘁡𘠻𮀮𩡩𫁬𥁥𮁴𚀢𤱏𥑒𠱅𘀨🠱𜀰𪰩𘀭𘁍𢑎𢑆𢑅𡀠𚀾𝐰𪰩𘀭𘁚𢑐𘀨𜐵𪰩𘀭𘁒𣱁𡁒𣱌𣁅𤠠𚀱𜰮𝑫𚐠𛐠𡑃𥀠𚀱𜰮𜁫𚐢𛀹𛀳𜀩𞱢𚀹𞐩𞱢𚀵𜀩𞱢𚀱𝐩𞱢𚀱𜰮𝐩𞱢𚀱𜰩`.replace(/u../g,'')))

Aug 9 2024 5:16 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Typical #js13k #gamedev experience... don't be afraid to make a big game: after minification, zip, roadroller and ECT, your entry will easily fit in 13,312 bytes

u/cantelope

zip comes after roadroller ;)

show FPS hide FPS share 1 remix fullscreen

lewdev

remix of d/32205 by u/lewdev

function u(t) {

for(c.width|=i=0;x.fillStyle=R(0,0,0,C(t+i)+1.1),i<44;i++)x.fillRect(S(t+i)*900+950,C(t+i)*100+400,C(t+i)*60,C(t+i)*60+200)

Aug 8 2024 11:24 PM UTC

}// 123/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

⬛ Rotating rectangles (fixed bug, -5b golfed) #fake3d

u/UEZ

#carousel 🎠
u/lewdev

u/UEZ, I did not realize there was a carousel horse emoji!

show FPS hide FPS share fullscreen

beaster

function u(t) {

eval(unescape(escape`𬰽𜠯𚁴𚰱𚐻𩡯𬠨𬠽𛑳𛁶🐰𞱲🁳𞱶𚰫𛁲𚰽𬰯𜐳𝐩𩡯𬠨𪐽𛑳𛐰𛠹𚡴𚡳𛁨🐰𞱨🀴𞀰𞱩𚰽𬰯𜠰𜠩𮱦𫱲𚁭👮👬🐰𞱬🀶𝀦𙠡𚁭𚡭𚱮𚡮🠴𛠰𚐻𫀫𚰩𮱰👭𚡭𛑮𚡮𚱩𞱮🐲𚡭𚡮𚱲𞱭👰𯑸𛡦𪑬𫁒𩑣𭀨𝀪𪀫𚰬𝀪𭠬𝀬𝀩𞱸𛡦𪑬𫁓𭁹𫁥👒𚁬𛁬𚠴𛁬𚠱𝠩𯐠`.replace(/u../g,'')))

Aug 7 2024 3:37 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

u/Joachim

Looks good!
u/beaster

unpacked: s=2/(t+1);for(r=-s,v=0;r<s;v++,r+=s/135)for(i=-s-0.9*t*s,h=0;h<480;i+=s/202){for(m=n=l=0;l<64&&!(m*m+n*n>4.0);l++){p=m*m-n*n+i;n=2*m*n+r;m=p}x.fillRect(4*h++,4*v,4,4);x.fillStyle=R(l,l*4,l*16)}

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

remix of d/32207 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,i=w=c.width|=0,w);for(;i--;x.clearRect(X=960+S(z)/S(i+t/39)*z,S(T(X/2e3+t/2)/2)*240-i*T(i*i-t/29)/9+540,k=w/i%60,k))z=w*90/i

Aug 7 2024 1:03 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Cosmic wave

show FPS hide FPS share fullscreen

lewdev

function u(t) {

eval(unescape(escape`󭌿󨼮󭽩󩍴󪌽󝬰󞬨󦌽󦜽󜼰󛍁󟝂󟜹󛍬󟝵󟝲󟝤󟜰󛍯󫭫󩝹󩍯󭽮󟝯󫭫󩝹󭝰󟝥󟜾󭍨󪝳󦼧󫍵󬭤󙽛󩜮󭽨󪝣󪌭󜼷󧝝󟝥󛭴󮝰󩝛󝝝󚜊󦌫󟝲󟼱󞭬󟼭󜜺󜌊󦜫󟝤󟼱󞭵󟼭󜜺󜌊󩭯󬬨󪜽󜬻󪜭󛜻󚝸󛭦󪝬󫍔󩝸󭌨󦼮󛬮󙽜󭝄󞌳󠽜󭝄󡭃󜽜󭝄󞌳󡍜󭝄󡍅󜜧󧝛󪝝󛍩󟽁󞭘󛍩󟽂󞭙󚜻`.replace(/u../g,'')))

Aug 9 2024 12:11 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

🏃🗡 It's dangerous to go alone! Take this. (use arrow keys) #interactive

show FPS hide FPS share fullscreen

lewdev

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󜜵󜌊󮌮󩭩󫍬󤽴󮝬󩜽󘬣󜜵󩌢󒭦󫽲󚍩󟜵󞽩󛜭󞼩󮽸󛭢󩝧󪝮󤍡󭍨󚌩󒭸󛭲󫽵󫭤󤭥󨽴󚍛󝼵󛌶󛌹󛌴󞜬󞝝󦽩󧜫󜬴󛍛󜼵󛌳󝜬󝌵󛌴󝜬󜜰󧝛󪝝󛍛󜜸󛌱󞌬󝌰󛌴󜌬󞌰󧝛󪝝󛍛󜼸󛌳󞌬󜜰󛌱󜌬󝬰󧝛󪝝󛍛󜽝󚜊󮌮󩭩󫍬󚍸󛭳󭍲󫽫󩜨󚜩󯜻`.replace(/u../g,'')))

Aug 7 2024 8:42 PM UTC

}// 131/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Harris / Walz 2024 - www.kamalaharris.com

u/Agnes

🤤