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.

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Current theme challenge: #Food

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ximavus

function u(t) {

x.reset()
F=_=>(270*S(i)+C(t)*270)
for(i=60;i--;){x.fillStyle=R(s=S(i/19)*2e2,s,s);x.fillRect(i*32,540,32,F());x.fillRect(i*32,540,32,-F())}

Nov 15 2025 9:09 AM UTC

}// 140/140

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This was gonna be a ray cast demo actually

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ximavus

remix of d/34519 by u/KilledByAPixel

function u(t) {

c.width|=onclick=_=>T=!T
t?a+=!T&&1/60:a=0
x.font='5in"'
x.fillText(a.toFixed(2),560,700)
onkeydown=_=>{a=0;T=1}

Nov 12 2025 4:44 PM UTC

}// 112/140

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Removed the moving box to add reset. You can use it to test your reflexes now

u/cantelope

fair remix
u/ximavus

credit to u/KilledByAPixel the original is very nice
u/ximavus

my pb on this one is 0.13
u/ximavus

I got 0.10 yay

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ximavus

function u(t) {

x.reset()
for(i=9;i--;)x.fillRect(400+i*99+S(t.toFixed())*300,400,50,200)

Nov 8 2025 5:09 PM UTC

}// 73/140

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Lagging #default

u/ximavus

I had uploaded it twice accidentaly
u/joeytwiddle

lol I hate it!
u/ximavus

:)

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ximavus

function u(t) {

t||x.translate(960,540)
onmousemove=e=>{R=e.x*3.4-960;T=e.y*3.4-540}
x.fillRect(R+C(t)*Math.hypot(R,T),T+S(t)*Math.hypot(R,T),9,9)

Nov 3 2025 3:27 PM UTC

}// 130/140

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Circles

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ximavus

function u(t) {

c.width|=0
F=_=>(X&Y+99*t)
for(X=120;X--;)for(Y=120;Y--;)if(F())x.fillRect(X*16,Y*9,16,9)

Nov 3 2025 3:22 PM UTC

}// 89/140

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Sierpinsky triangle

u/ximavus

Its binary counting on pixels basically
u/ximavus

also I saw the F=_=>() formula trick from u/KilledByAPixel's dweet that was a pottery simulator that I can't find

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ximavus

function u(t) {

eval(unescape(escape`𭁼𯁸𛡴𬡡𫡳𫁡𭁥𚀹𝠰𛀵𝀰𚐊𫱮𫑯𭑳𩑭𫱶𩐽𩐽🡻𦀽𩐮𮀪𜰮𝀻𦐽𩐮𮐪𜰮𝁽𒡦𫱲𚁩🐹𞐻𪐭𛐻𚑻𮠽𣑡𭁨𛡲𨑮𩁯𫐨𚐪𜠵𝐻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𮠬𮠬𮠩𞱸𛡦𪑬𫁒𩑣𭀨𦀭𞐶𜀬𦐭𝐴𜀬𜠰𛀲𜀩𞱸𛡲𫱴𨑴𩐨𜐩𯐻`.replace(/u../g,'')))

Oct 30 2025 5:43 PM UTC

}// 123/140

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Spiral Paint!

u/magna

Mosaic floor generator
u/ximavus

wish I could make this without compression, I could only fit it with opaque black
u/rodrigo.siqueira

See remix for the uncompressed version.

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ximavus

function u(t) {

c.width|=0
for(i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)
for(j=15;j--;)x.clearRect(150+j*100,400,35,200)

Oct 28 2025 11:03 AM UTC

}// 113/140

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#default

u/joeytwiddle

This makes me think we need a double-slit experiment default
u/ximavus

oh yes!

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ximavus

function u(t) {

z=Math.random
x.fillStyle=R(z()*255,z()*255,z()*255)
x.fillRect(960+S(t)*500,540+C(t)*500,90,90)
x.drawImage(c,99*z()-49,99*z()-49)

Oct 27 2025 9:24 AM UTC

}// 131/140

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Shaking color circle

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ximavus

remix of d/34226 by u/KilledByAPixel

function u(t) {

with(x)for(t||translate(960,540),j=6;j--;)for(i=95;i--;fillRect(-T/2,T*S(i+i*t/T),T=4e3,5))fillStyle=`hsl(${i*t} 99%${i}%`,rotate(Math.PI-1)

Oct 26 2025 2:14 PM UTC

}// 140/140

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actually I remixed it accidentaly

u/ximavus

most credit to u/KilledByAPixel
u/ximavus

well all of the credit

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ximavus

function u(t) {

v="(18 chars for trigger)"
c.width|=0
x.font='130px a'
z=Math.random
x.fillText('🌚',960+z()*50,540+z()*50)
x.fillText(v,1e3-v.length*25,800)

Oct 25 2025 5:32 PM UTC

}// 140/140

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*Triggered* meme template

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