Top dweets by u/tomxor

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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tomxor

remix of d/20657 by u/dnmc

function u(t) {

for(c.width&=i=8320;i--;)
x.fillRect(X=i&127,Y=i>>7,
k=S(8*t+X*X+Y*Y+X*Y)+.5,k)

Nov 18 2020 1:33 AM UTC

}// 79/140

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Nano Snakeskin

u/bandaloo

this is great! i'll definitely be using this substitute for a doubly-nested for loop
u/DataMeta

agreed, cool trick! even more succinct than the nested hack I've been using, and the perf increase from bitwise ops is welcome
u/tomxor

Yes, I've used this so much, I guess it's just more obvious in this one. I've taken technique a step further in d/20707 converting yonatan's 3 loops into one. bitwise can be very powerful to manipulate the variables a loop traverses.

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tomxor

remix of d/19543 by u/KilledByAPixel

function u(t) {

for(c.width=w=127,i=8e3;i--;t?p&&p<8&T[r=t&8?i-w-r%3:i+w+r%3]<7&&--T[i]&++T[r]:T[i]=r%9)
p=T[i],x.fillRect(X=i&w,Y=i>>7,1,p/9),r=i*t+Y/3&X/3

Jul 29 2020 12:16 AM UTC

}// 140/140

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#Serpinski #Hourglass

u/KilledByAPixel

👍
u/magna

Damn!
u/katkip

wow

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tomxor

remix of d/19162 by u/katkip

function u(t) {

f=(x,y,n)=>n?f(S(x*2+t)-C(y*2-t),C(x*2-t)-C(y*2+t),n-1):S(x+y)
for(c.width=160,i=24e3;i--;)
x.fillRect(X=i&255,Y=i>>8,1,f(Y/64,X/64,5))

Jun 17 2020 3:48 PM UTC

}// 135/140

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Liquid Metal

u/tomxor

I wanted to see it move O_O this function is pretty cool katkip
u/katkip

Thx :)

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tomxor

function u(t) {

for(c.width=-1,i=3e3;i--;x.fillRect(1.5*X+20*(A&7)+2*(D&8?D&7:~D&7)+72|0,Y+20*B+8*(D>>3),2,B&X*X-Y))A=i>>6,B=i>>9,D=t+A/40,X=i%8-3.5,Y=i/8&7

May 20 2020 11:57 PM UTC

}// 140/140

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DO Do do do

u/tomxor

Inspired by d/3078 by u/FireFly
u/joeytwiddle

Nicely done! space #invaders game #tribute

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tomxor

remix of d/32885 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𥰽𨰮𭱩𩁴𪀦👩🐱𝠵𜐲𞱩𞱓𚰽𦀬𠰫👒𛁔𚰽𭐩𚁓𛰱𜱞𠰯𜐴𧡔𛰹𚐥𜐵𯁼𚁘👒𛁒👵𛁲👣𦱫👛埴𛁾𠰬堍𧑝𯀽𭐽𤰪𭀥𜠭𜐬𛐭𪐾𜑥𝀿𪐥𝀿𨱛𪱝𚰫𞡓👃👔👗𞡸𛡦𪑬𫁒𩑣𭀨𦀽𪐥𥰬𤠽𪐾🠷𛀸𛰨𞀫𬠯𭀩𛁵🐱𛁔🐶𝀬𦀽𦀯𥀭𜐬𤠯👔𛁃👓👴𙐶𚠲𝀩𚐻`.replace(/u../g,'')))

Dec 21 2024 12:33 AM UTC

}// 140/140

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Realtime Photon-Mapping 3

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tomxor

remix of d/32657 by u/Agnes

function u(t) {

eval(unescape(escape`𩡯𬠨𤠽𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀻𪐻𦁼𦐪𜡼𘐨𚁔𛐱𛠷𚐪𚠲𚠴𚱘𚡘𚠴𧠱𯀨𮐽𠰨𭀩𚠶𚱵𛁹🀰🱙𞡙𚱹𚐪𜐱𛐵𚱵𚠲𧠱𚐿𥀭𤠿𮀮𩡩𫁬𤡥𨱴𚀭𛑩𙑷𛁩𛱷𛀨𦀫𦐫𥀩𛰳𛁔👒🐱𚐺𤠪👨𞠭𛑵𯁼𚁔𛑒🱔𛰽𪀺𥀽𤠯👨🐮𞐶𛁵🐵𚐩𦀽𪐥𭰯𝠴𚡒𛑔𛁙👩𛰸𩐳𚡒𛑔𛰲`.replace(/u../g,'')))

Oct 25 2024 3:18 AM UTC

}// 140/140

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Stargate Transportation Rings

u/tomxor

#stargate
u/Agnes

The teleporter rings are very Stargate SG-1, but I also applaud the set design in the background for looking approximately as good as Stargate SG-1's CGI
u/tomxor

Thanks. CGI was hard in the 90s

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tomxor

remix of d/23242 by u/tomxor

function u(t) {

b='诿叿≿˯ȏϿꪯ묯Ͽ褐称Āꧠ뤐ð꧐륐Űp⁀凰蠀';eval(unescape(escape`𩡯𬠨𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀻𪐭𛐻𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮰭𪐯𭱽𘀹𞐥𙁻𨠮𨱨𨑲𠱯𩁥𠑴𚁩𚰶𜀪𭀦𝠳𚐾🡩𛰳𛠹𜰫𠰨𪐯𝐱𜠩𙠱🰶𜀺𜐰𯐥𨀩𮀮𩡩𫁬𤡥𨱴𚁩𙑷𛁩𛱷𛀸𛀸𚐻`.replace(/u../g,'')))

Jul 1 2022 4:18 AM UTC

}// 140/140

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#js1024 2022 - Theme: Mirror - https://js1024.fun

u/katkip

I LOVE THIS
u/tomxor

:)
u/magna

WOW

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tomxor

remix of d/21820 by u/erin

function u(t) {

for(c.width=w=128,Z=i=1e4;i--;x.fillStyle=R(0,143-Y+Z*9-Z/9*Y,175-Y,S(i*i)))x.fillRect(X=i%w,Y=i/w-Z,Z=S(Y/9+S(X/30)+t*2)**2*4+Y/14,2)

Mar 6 2021 2:54 PM UTC

}// 134/140

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#ocean #waves 2

Show more comments…
u/tomxor

It's crazy how long this dweet chain is!
u/erin

holy shit!!
u/erin

this is amazing!
u/tomxor

Thanks man :) I like the idea
u/erin

i'm the type of person to come up with stuff by just messing with values.. so i kinda found myself making something similar to waves in a ocean and then i further explored the idea
u/erin

maybe this is why my dweets are so remixable.. they're fun to insert functions into :)
u/rep_movsd

#underrated

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tomxor

remix of d/20689 by u/yonatan

function u(t) {

for(c.width=64,i=2e4;Z=--i>>9;T=k^64?T+S(Z+C*k/9+9/Z*t*k)/k:x.fillRect(C=i/8&63,T*9-T*Z/3,1,l=Z*32-Z*Z,x.fillStyle=R(l,l+Z,l/.8))|3)k=1<<i%8

Nov 19 2020 11:12 PM UTC

}// 140/140

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One for loop to rule them all... with a moderate chance of rain

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u/tomxor

This was a tough golf! thanks for the challenge and awesome dweet yonatan :)
u/DataMeta

I like this golfed rendition! :]
u/yonatan

i think i like this better than the original :)
u/yonatan

what's the deal with the k^64 tho? seems like it'd spend 64 iterations building the fbm in T and then 64 more doing fillRects??
u/yonatan

k&63 I'd understand...
u/yonatan

oh right, k isn't the loop counter
u/yonatan

-1 char with i&7: for(c.width=64,i=2e4;Z=--i>>9;T=i&7?T+S(Z+C*k/9+9/Z*t*k)/k:x.fillRect(C=i/8&63,T*9-T*Z/3,1,l=Z*32-Z*Z,x.fillStyle=R(l,l+Z,l/.8))|3)k=1<<i%8
u/danny@hille.dk

Use the saved char to boost performance with i=15e3
u/danny@hille.dk

This is a fabulous golf👍
u/danny@hille.dk

excellent work u/tomxor
u/tomxor

Thanks Danny :)

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tomxor

function u(t) {

for(c.width=128,i=1e4;i--;x.fillRect(X=i&127,Y=i>>7,1,C(u[i]=(u[i]||0)+(T&&(K=16-Math.hypot(T.x/4-X,T.y/4-Y))>0?K/64:0))))onmousemove=e=>T=e

Jun 19 2020 3:33 PM UTC

}// 140/140

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Spooky #paint O_o

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