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: #Opposites

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tomxor

remix of d/23544 by u/pavel

function u(t) {

for(a=Math.abs,c.width&=i=4352;X=1-(T+i/32)%2,Y=--i/2e3;x.fillRect(X*r+64*T,Y*r+96-64*a(S(t)),T=a(2-t%4)+1,(i^i/64)/8&1))r=64/(--Y*Y+X*X+1)

Aug 13 2021 12:57 AM UTC

}// 139/140

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Smoother #Amiga #Ball

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u/tomxor

..But less authentic. Remaps the pixel positions rather than texture, which gives "free" antialiasing, with spare space to correct the spin.
u/pavel

Oh yeah, nice. This is definitely a better way of doing it. The other mapping has an incorrect center that I have to waste characters to correct.
u/pavel

-2 char using S(t%3.14) to bounce and inlining the single Math.abs call
u/danny@hille.dk

What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
u/danny@hille.dk

3.2 works fine, while 3 and 3.1 looks wrong
u/danny@hille.dk

test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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tomxor

remix of d/21610 by u/rodrigo.siqueira

function u(t) {

for(c.width&=m=i=8320;i--;x.fillRect(X=i&127,Y=i>>7,1,f(X/m+.01,Y/m)))f=(x,y,n=42)=>--n&&y/(1.1+S(x+2*S(n+t)))<5?f(x*x-y*y-1.5,2*x*y,n):n/16

Feb 8 2021 3:29 AM UTC

}// 140/140

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#wavey #plant #fractal

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tomxor

remix of d/21327 by u/indjev99

function u(t) {

for(f=_=>S((d=Math.hypot(X-74,Y-32))-t*9)/d*1e3,c.width&=i=8320;i--;x.fillStyle=R(Z=f()+f(X+=20),128-Z,192-Z))x.fillRect(X=i&127,Y=i>>7,1,1)

Jan 20 2021 10:34 PM UTC

}// 140/140

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Fake #FDTD simulation #InterferencePattern

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u/danny@hille.dk

Hypno owl :-)
u/tomxor

OMG I can hear it now
u/Qwitter

Awesome: Hypno wHoo? Im going to have to put some Math.hypot in me dweets
u/tomxor

You mean Math.hypnot()? :P
u/Qwitter

possibly 'Math.EffectCause()' , but who does this owl hoo like, an infamous toad ?
u/danny@hille.dk

WebGl version: http://glslsandbox.com/e#70769.0

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tomxor

remix of d/20584 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𜐹𜠬𤠽𝀸𛁩🐸𜀶𝀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁓𚰹𝠬𥀫𝐴𛁃𚁡👍𨑴𪀮𨑴𨑮𜠨𤰽𪐥𞐷𛑒𛁔👩𛰹𝰭𤠬𬠽𚁓𚡓𚱔𚡔𚐪𚠮𝐩𚠹𚐪𜠰𛑲𙠴𝀦𙡲🠳𝠿𬠼𝀲🱔𛱒𞡓𛱒𞠱𛁲🠳𝠿𬠼𤠺𮠨𜰩𛰵𚐩𮠽𫠽🡮𛐭𙠦𠰨𨐯𜰫𬠫𭀪𞐩𚡃𚁔𛰵𚱺𚁮𚐪𜠩𛑲𛰶`.replace(/u../g,'')))

Nov 14 2020 1:20 PM UTC

}// 139/140

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#stargate connected to a world with a #blackhole

u/tomxor

From "A Matter of Time" episode, requested from u/nbevans on HN.

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tomxor

remix of d/16315 by u/tomxor

function u(t) {

X+=a=S(X/340)<0?-a:a;Y+=b=S(Y/280)<0?-b:b;c.width|=0;for(i=9;i--;)x.fillRect(i*100+X,Y,50,200)}{X=a=Y=b=9

Oct 26 2019 2:38 PM UTC

}// 105/140

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Dwitter Saver #default

u/SchuSlime64

Still waiting for it to hit the corner
u/bruh58

i saw it hit the corner

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tomxor

remix of d/15643 by u/yonatan

function u(t) {

with(x)for(c.width=80,i=24;i--;clip(fill(arc(40+25*S(z/4+t/4),25,z**3/160,0,7))))beginPath(z=i+t%1),fillStyle=`hsl(${t*9-z*9} 50%${99-z*4}%`

Sep 10 2019 9:15 AM UTC

}// 140/140

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u/magna

Sweet!

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tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𪐽𜠺𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷🐲𝀰𛁣𛡷𪑤𭁨👷𛁸𛡦𪑬𫁓𭁹𫁥🐧𘰶𝀲𨰧𚐻𪐭𛐻𮀮𩡩𫁬𚁮𩑷𘁐𨑴𪀲𡀨𨁭𜐲𜀠𝠸𪀭𞑶𛠵𨐵𘀳𘀰𘀰𜐵𘀳𭠱𜱡𜰲𘀳𜠠𜀠𜀱𛐱𜠭𝠰𭠭𛠵𨐳𞀠𜰷𘀰𘀰𜀱𜠠𝰰𭠸𫀴𘀲𝁠𚐩𚑸𛡴𬡡𫡳𩡯𬡭𚁩𚠲𛐱𛀰𛀰𛀱𛁩𚡷𛀰𚐻`.replace(/u../g,'')))

May 16 2023 9:09 PM UTC

}// 139/140

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#Quake I

u/deobfuscate

He did it.... u/magna
u/magna

YES!
u/danny@hille.dk

U ROX DUDE!

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tomxor

remix of d/15502 by u/tomxor

function u(t) {

eval(unescape(escape`𫱮𪱥𮑵𬀽𩐽🡓🐰𛁯𫡫𩑹𩁯𭱮👥🐾𤰽𜰸𛑥𛡷𪁩𨱨𞱦𫱲𚁴🱣𛡷𪑤𭁨𙠽𪐽𜠳𜀳𞡓👃𙠽𠐽𠠽𜠬𠐭👓𛰴𛁂𛐽𠰻𪐭𛐻𠰽𠠼𜀿𭀺𦠼𜐿𠰭𝑥𛐶𞠮𝀩𮀮𩡩𫁬𤡥𨱴𚁘👩𙠳𜐬𦐽𪐾🠵𛁚🐡𚁁𧡘𯁂𧡙𚐭𚁙👙𛰳𚱂𛰳𚱴𚠪𜐮𝀬𥀨𦐫𦀯𜱞𦀯𜰭𦑞𦐯𝠩🀸𚐯𜠬𦠩`.replace(/u../g,'')))

May 14 2023 12:44 AM UTC

}// 140/140

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Do Fall ! #game

u/tomxor

Use left + right (focus the iframe with mouse first)... If you hit the top, you die, if you fall too far, you die, if you fall too fast you fall through things, you die. High Score: throw u=B<0|B>72?u:t|0
u/tomxor

Forgot: If you fall just right, you live :)

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tomxor

remix of d/18890 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁣𛡷𪑤𭁨🐵𜐲𛁩🐳𩐳𚐻𪐭𛐻𮀮𨱬𩑡𬡒𩑣𭀨𦀪𜠫𦐪𚁘𛰱𜠸𛐱𚐬𦐯𛠷𛀲𚱙𛰷𜠬𠠩𚑁👩🠾𝠬𠠽𪐾🠹𛁄👴𛰮𞐫𠐯𝀰𛁘👩𙐸𛐳𛠵𛁙👩𛰸𙠷𛁙𚰽𠠪𜠰𚰸𚠨𡀾🠳𚐬𠠦👘𚡘𚰴𚰨𡀦𜐿𦐺𛑙𚐬𦀫👁𙐸𚠱𝀫𚁄𙠸🱄𙠷𞡾𡀦𝰩𚰷𝐻`.replace(/u../g,'')))

May 22 2020 2:19 AM UTC

}// 140/140

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DO Do do do !!

u/KilledByAPixel

great stuff! 👾
u/andrea270872

Cool. I keep trying to shoot at them :D
u/tomxor

:P that's what i made this one for: d/18906 but you have to paste the mouse event in.
u/tomxor

#invaders

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tomxor

remix of d/17224 by u/tomxor

function u(t) {

c.style='filter:invert(1';for(a=b=p=3.14,i=1e4;i--;a+=(r-a+b*S(a*p))/p,b+=(-a*b+C(a*p))/p)i&4&&x.fillRect(900+b*480,60+a*960,1,.2,r=i*t/b&3)

Jan 19 2020 1:39 PM UTC

}// 140/140

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u/13thptr

mind=blown
u/tomxor

:D did you see the tendrils too, stuff just lives in math i swear
u/ivylab

I just learned this cool invert trick from your dweets, awesome. Did you notice that you can leave out the 1 at the end? :)
u/tomxor

Oh nice, thanks for the tip u/ivylab :)

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