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.

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BackendForth

function u(t) {

v=Math.random
for(i=4999;i--;)x.fillRect(1920*v(),1080*v(),9,9)
a=1080*v()
if(v()<.04)for(i=1080;i--;){x.clearRect(a,i,9,9)
a+=(v()-.5)*9}

Feb 28 2021 3:59 PM UTC

}// 138/140

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#lightning

u/magna

Great technique!

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nystrand

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𭰽𜡥𜰬𩰽𚁯𛁡𛁢𛁺🐶𙑢𚱩𙐳𚠷𛁚👺𛰸𞀸𚰮𜀳𛁖👩𙐳𚠸𞐩🐾𫠭𛐿𩰨𭀯𫠭𥠬𨠪𠰨𫰩𛑡𚡓𚁯𚐬𮠬𨐪𠰨𫰩𚱢𚡓𚁯𚐩𞡸𛡦𪑬𫁒𩑣𭀨𨐯𦠫𞐶𜀭𭰬𨠯𦠫𝐲𜀭𭰬𠠽𜠪𭰯𦠬𠠬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𥠭𭰬𜠯𦠭𭰬𜐳𞐭𥠬𭰽𛠲𚐩𞱩𛐭𞰩𩰨𪐬𫠽𝠬𪐥𝰩`.replace(/u../g,'')))

Feb 26 2021 5:52 PM UTC

}// 140/140

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u/rodrigo.siqueira

Amazing! Welcome back, Nystrand. I still remember the B&W version of this one (/d/14899). And your dweet d/4388 (Sierpinski witchcraft) is one of the most amazing I've ever seen. Thanks.
u/nystrand

Thank you Rodrigo!
u/vain

hot stuff. like the colors and motion blur

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Pascal

remix of d/21705 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀶𚱋𛀶𚐩𦀽𪐥𜰰𛁙🐨𪐭𦀩𛰳𜀬𠐽𦀫𞀪𠰨𭀪𜠭𦐯𞀰𚐬𢰽𘐡𚁁𛰱𞀭𜐶𛰱𞁼𦐯𝀭𜐰𛰵𯁁𚰲𙠲𚐯𜠬𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀲𜐰𘀵𜀥𙁻𜐸𜀪𢰫𜰪𠰨𦐭𭀪𞀰𚑽𙑠`.replace(/u../g,'')))

Feb 19 2021 3:03 PM UTC

}// 136/140

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interlacing

u/Pascal

just realised that this is progressive and not interlaced
u/magna

#default

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tomxor

remix of d/21704 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀱𚱋𛀵𚐩𦀽𪐥𞐰𛰳𛁙👩𛰹𜀬𡠽𭀪𝐸𛑩𛱬𛁁👘𚰸𚡓𚁾𡠯𞐫𦐯𞐩𛁋👆𙐱𛰴𚰡𘐨𠐯𜐷𛐱𝠯𜐸𯁙𛰴𛐱𜀯𝑼𠐫𜠦𜠩𛰲𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜐲𜁽𘀹𞐥𙁻𢰪𞐹𯐥𨀻`.replace(/u../g,'')))

Feb 18 2021 2:32 PM UTC

}// 140/140

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#retro #crt #default @60Hz-ish

u/Odog8

Beautifulllll
u/Qwitter

cool!
u/neimad

This is amazing.
u/aleamb

superb!
u/magna

YES!!

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tomxor

remix of d/12335 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀱𚱋𛀵𚐩𦀽𪐥𞐰𛰳𛁙👩𛰹𜀬𡠽𜐫𭀪𭀭𪐯𫀬𠐽𦀫𞀪𤰨善𛰹𚱙𛰹𚐬𢰽𜐭𡠥𜐭𘐨𠐯𜐷𛐱𝠯𜐸𯁙𛰴𛐱𜀯𝑼𠐫𜠦𜠩𛰲𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜐲𜁽𘀹𞐥𙁻𢰪𞐹𯐥𨀻`.replace(/u../g,'')))

Feb 18 2021 2:10 PM UTC

}// 140/140

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#retro #crt #default

u/tomxor

With subpixel anti-aliasing :) ... ok that was an accident... but atand back and look at those cute RGB fringes!

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Pascal

remix of d/21645 by u/Pascal

function u(t) {

c.width|=0,w=960
for(i=700;i--;x.fillRect(w+w*X/Z,w-Y/Z*w,s=(8/Z)**5,s))
X=3*C(U=i+t)+C(V=t+i/(1+t/w*.7)),Y=S(i)+C(V)*T(V)-2,Z=S(U)-5

Feb 13 2021 4:57 PM UTC

}// 133/140

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become donut

u/erin

become donut reject society
u/joeytwiddle

don't live your life in sphere, become #donut

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tomxor

function u(t) {

// Xorshift 32
R ^= R << 13
R ^= R >>> 17
R ^= R << 5

// U(0,1)
f = (R>>>0)*2**-32
// Plot
x.fillRect(f*2e6%2e3,f*1e3,9,9)
// Seed
R = R||1

Feb 13 2021 12:31 PM UTC

}// 140/140

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#Xorshift 32 #PRNG

u/tomxor

I felt that there are too many extremely unecessarily long examples of xorshift32 implementations out there, with lots of fluff around the outside. It's a very nice and simple little PRNG and this is all the code you need to turn it into a unit interval (i.e the type and range you get from Math.random()): (x>>>0) * 2**-32. This conversion method is far from perfect and results in some bias, but so does the PRNG itself...

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rodrigo.siqueira

remix of d/21654 by u/erin

function u(t) {

for(c.width=i=2e3;i--;x.fillStyle=`hsl(0,70%,${S(9*t-i)*99}%)`)x.fillRect(99*(10+5*C(i-t)+C(i*i)),99*(3*S(t)*S(i-t)+C(i*i)*T(i*i)+5),40,40)

Feb 12 2021 1:11 PM UTC

}// 139/140

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Red Laser Donut #laser #donut #d3 #uncompressed

u/Qwitter

cool
u/erin

beautiful

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erin

remix of d/21651 by u/erin

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👷🐹𝠰𒡦𫱲𚁩🐲𩐳𞱩𛐭𞰩𮰊𦀽𜠪𠰨𥐽𪐫𭀩𚱃𚁖👴𚱩𚡩𚐬𒡙🐱𚠨𤰨𭀪𜠩𚰰𛠹𚐪𤰨𥐩𚱃𚁖𚐪𥀨𥠩𛐲𛠵𛀊𦠽𤰨𥐩𛐵𒡸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𤰨𭀩𚠹𞑽𛀶𞐥𛀤𮱓𚀱𜀪𭀫𥐩𚠹𞑽𙐩𨀊𮀮𩡩𫁬𤡥𨱴𚁷𚱷𚡘𛱚𛁷𛑙𛱚𚡷𛁳👷𛱚𛱚𛱚𛁳𚑽`.replace(/u../g,'')))

Feb 12 2021 1:18 AM UTC

}// 140/140

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LASER DONUT #donut #laser #d3

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erin

remix of d/21637 by u/erin

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👷🐹𝠰𒡦𫱲𚁩🐴𩐳𞱩𛐭𞰩𮰊𦀽𜠪𠰨𥐽𪐩𚱃𚁖👴𚱩𚡩𚐬𒡙👓𚁕𚱴𚐪𠰨𥠩𛐲𛀊𦠽𤰨𥐩𛐵𒡸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𤰨𭀩𚠹𞑽𛀶𞐥𛀤𮱓𚀱𜀪𭀫𥠯𥐩𚠹𞑽𙐩𨀊𮀮𩡩𫁬𤡥𨱴𚁷𚱷𚡘𛱚𛁷𛑙𛱚𚡷𛁳👷𛱚𛱚𛱚𛁳𚑽`.replace(/u../g,'')))

Feb 11 2021 10:29 PM UTC

}// 130/140

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intertwined circles

u/erin

this is by far my best dweet
u/erin

#laser #circle #d3

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