Dweets by u/marquisdegeek

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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marquisdegeek

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟜰󒭴󟼰󞭧󟜰󛍬󟜱󝜊󩭯󬬨󪌽󦽩󟜨󣬽󝼵󚜪󣭝󞽩󛜭󞽸󛭦󪝬󫍒󩝣󭌨󪜥󣬪󫌬󫌪󯭪󛜱󜌰󜌬󚍨󦽩󧜽󩼿󬌭󝜿󬌽󟜶󞭧󦽩󧜺󫭥󭼠󡍡󭍥󙬱󚜪󫌬󫌩󚝦󫽲󚍺󟝰󟜹󞽺󛜭󞽰󛜽󩽛󯭪󙝎󚭎󚽾󚌭󪜭󮬯󜼭󣬩󙝎󧜩󪬽󛜨󪜯󣬫󮬥󜼩󛝎󒭧󟝨`.replace(/u../g,'')))

Feb 14 2025 5:14 PM UTC

}// 129/140

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Game of Life - based on the optimisations from https://shorterlife.github.io/challenge/

u/magna

Awesome! (The original post, too!)

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marquisdegeek

remix of d/33085 by u/marquisdegeek

function u(t) {

this.r??=1
s=10
j=1
for(n=i=0;i<32;j*=2)
(j&r)&&x.fillRect(i*s,t*600,s,s),
n|=126&1<<((r&1<<++i?4:0)|(r&j?2:0)|(r&1<<i+30?1:0))?j:0
r=n

Jan 20 2025 10:14 AM UTC

}// 135/140

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So _that's_ how to do a global! this.r??=1

u/KilledByAPixel

there are a few easier ways, the most common is to check if t is 0 to init t?0:r=1

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marquisdegeek

remix of d/33081 by u/marquisdegeek

function u(t) {

eval(unescape(escape`𬠽𭁹𬁥𫱦𘁲🐽𙱵𫡤𩑦𪑮𩑤𙰿𜐺𬠊𬰽𞐊𪠽𜐊𩡯𬠨𫠽𪐽𜀻𪐼𜰲𞱪𚠽𜠩𒠨𪠦𬠩𙠦𮀮𩡩𫁬𤡥𨱴𚁩𚡳𛁴𚠶𜀰𛁳𛁳𚐬𒡮𯀽𜐲𝠦𜐼🀨𚁲𙠱🀼𚰫𪐿𝀺𜀩𯀨𬠦𪠿𜠺𜀩𯀨𬠦𜐼🁩𚰳𜀿𜐺𜀩𚐿𪠺𜀊𬠽𫠻`.replace(/u../g,'')))

Jan 18 2025 10:51 AM UTC

}// 119/140

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I didn't want to resort to unicode packing, but I was 11 characters out and wanted to demonstrate a more correct automaton, as this one handles wrap around

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marquisdegeek

function u(t) {

r=typeof r=='undefined'?1:r
s=m=7
for(n=i=0;i<32;++i,m*=2){
(1<<i&r)&&x.fillRect(i*s,t*600,s,s)
n|=(126&1<<((r&m)>>i))?1<<i+1:0}r=n

Jan 17 2025 8:32 PM UTC

}// 131/140

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Almost Automaton

u/marquisdegeek

There's no wrap around of the bits so you don't quite get the patterns shown in https://en.wikipedia.org/wiki/Elementary_cel… but it's late and I'm tired!
u/marquisdegeek

p.s. change the 1 in the first line to change the start condition, and the 126 in the last to change the rule number

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marquisdegeek

function u(t) {

c.width|=0;for(i=0;i<256;++i){a=960+i*3*C(t+i/10);b=540+i*4*S(t+i/600);x.fillStyle=R(a/8,b/5,i);x.fillRect(a,b,10,10)}

Jan 6 2025 6:08 PM UTC

}// 118/140

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A variation on a graphic demo I made in 2006 that manipulated 256 DOM <img> objects to make this effect

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marquisdegeek

function u(t) {

x.width|=0;for(i=0;i<180;++i){z=i/100;x.fillStyle=R(S(t)*255,C(t*1.1)*255,T(t*1.4)*255,1);x.fillRect(1024+1024*C(t*z),500+500*S(5*z),5,3)}

Dec 2 2024 11:54 AM UTC

}// 139/140

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I start with a Lissajous curve and did a "FAFO"....

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marquisdegeek

function u(t) {

for(i=0;i<18;++i){z=(t*4-i*12)%192;x.fillStyle=R(S(t)*255,C(t*1.1)*255,T(t*1.4)*255,1);x.fillRect(950+z*5*C(z),540+z*3*S(z),15,10)}

Nov 25 2024 11:45 AM UTC

}// 134/140

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My very first!

You've reached the end.

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