Dweets by u/ximavus

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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ximavus

function u(t) {

t?onkeydown=k=>{l=k.keyCode;l==8?s=s.slice(0,-1):l>31&l!=91&l!=92?s+=k.key:l==13?s+=`
`:l==27?o=s:l==18?o='':0}:(s='',o='')
eval(o)
throw s

Dec 24 2025 10:57 AM UTC

}// 139/140

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Multiline programs! (esc for running the program and alt for stopping it)

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ximavus

function u(t) {

s=T(t)
z=Math.random
t?x.reset(onmousemove=e=>v.push([e.x*3.4,e.y*3.4])):v=[]
for(a of v)x.fillRect(a[0]+=z()*s-s/2,a[1]+=z()*s-s/2,9,9)

Dec 22 2025 7:25 AM UTC

}// 136/140

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drawing dissolve! thanks to u/lewdev for the for(a of v) golf

u/lewdev

neat!

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ximavus

function u(t) {

p=n=>{l=1;for(i=2;i<=n>>1;i++)n%i?0:l=0;return l}
m=~~t
b=0
p(2**m-1)?b=(2**(m-1))*(2**m-1):0
throw b+`
`+m

Dec 21 2025 10:24 AM UTC

}// 107/140

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Perfect numbers (may be laggy)

u/ximavus

Probably change the 2** with 1<<

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ximavus

function u(t) {

x.fillRect(x.globalAlpha=.1,0,2e3,1080)
X=_=>S(i+t/i)
Y=_=>C(i+t)
for(i=5000;i--;)x.clearRect(960+X()*960,540+Y()*540,9,9)

Dec 20 2025 10:01 AM UTC

}// 122/140

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Black hole

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ximavus

function u(t) {

x.globalCompositeOperation='xor'
t?x.fillRect((X+=(r=Math.random)()*2-1).toFixed()*12,(Y+=r()*2-1).toFixed()*12,12,12):(X=80,Y=45)

Dec 19 2025 4:03 PM UTC

}// 130/140

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Ant (name idea from Minecraft infinite snapshot)

u/tomxor

For a moment I thought it was langtons ant, but no, it's entropy's ant.
u/ximavus

Well I searched its named Langton's ant but because I'm a minecraft player I named it after the Minecraft one

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ximavus

function u(t) {

x.fillRect(x.globalAlpha=.001/t,0,2e3,1080)
for(i=2e3;i--;)x.clearRect(i,C(t+i)**S(t+i)*t,9,9)

Dec 14 2025 7:27 PM UTC

}// 94/140

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Demonstration of a bug I found with x.globalAlpha. Breaking the .001961 limit. As long as it is more than .001961 at some point if will be valid

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ximavus

function u(t) {

x.font='5cm a'
x.fillText('🥩',960,540)
x.drawImage(c,Math.random()*4-2,Math.random()*4-2)

Dec 12 2025 7:14 PM UTC

}// 89/140

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Current theme #Food

u/cantelope

#food

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ximavus

function u(t) {

t?_='Backspace':$=''
onkeydown=k=>{l=k.key;if(l.length<2|l==_){l==_?$=$.slice(0,-1):$+=k.key}l=='Enter'?(eval($),$=''):0}
throw $

Dec 11 2025 6:43 PM UTC

}// 129/140

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Dwitter-CMD! (click on the canvas, write dwitter code and press enter)

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ximavus

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤱴𮑬𩐽𤠨𚐊𭀿𮀮𩡩𫁬𤡥𨱴𚁸𛡧𫁯𨡡𫁁𫁰𪁡🐮𜐬𜀬𜡥𜰬𜡥𜰩𞡦👛𧐊𮀮𩡩𫁬𤱴𮑬𩐽𙰣𜀰𩡦𜀰𙰊𩠮𬁵𬱨𚁛𣑡𭁨𛡲𨑮𩁯𫐨𚐪𜡥𜰬𜁝𚐊𩡯𬠨𪐽𩠮𫁥𫡧𭁨𞱩𛐭𞱸𛡦𫱮𭀽𙰱𨱭𘁡𙰩𮀮𩡩𫁬𥁥𮁴𚁓𚁴𚐼𜀿𜐺𜀬𩡛𪑝𦰰𧐬𩡛𪑝𦰱𧐫🐹𚐻`.replace(/u../g,'')))

Dec 7 2025 11:35 AM UTC

}// 138/140

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Matrix

u/ximavus

forgot to say the idea was from u/omersm's matrix dweet
u/lewdev

I can see the inspiration: d/34590

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ximavus

function u(t) {

eval(unescape(escape`𭀿𮀮𬡥𬱥𭀨𚐺𭠽𦱝𒡯𫡭𫱵𬱥𫑯𭡥👥🐾𥀽𩐊𭠮𬁵𬱨𚁛𣑡𭁨𛡲𨑮𩁯𫐨𚐪𜐹𜠰𛁍𨑴𪀮𬡡𫡤𫱭𚀩𚠱𜀸𜁝𚐊𩡯𬠨𪐽𭠮𫁥𫡧𭁨𞱩𛐭𞱶𦱩𧑛𜁝𚰽𚁔𛡸𚠳𛠴𛑶𦱩𧑛𜁝𚐯𞐰𛁶𦱩𧑛𜑝𚰽𚁔𛡹𚠳𛠴𛑶𦱩𧑛𜑝𚐯𞐰𚑸𛡦𪑬𫁒𩑣𭀨𭡛𪑝𦰰𧐬𭡛𪑝𦰱𧐬𞐬𞐩`.replace(/u../g,'')))

Dec 6 2025 6:17 PM UTC

}// 140/140

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Magnetic inspired from u/zachygreen's d/34537

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