Top dweets by u/Qwitter

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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Qwitter

function u(t) {

a=530;m=t%28;c.width=2e3;x.beginPath();for(i=1;i<m+1;i++){p=3*t+i*6.28/m;x.lineTo(a*(2+C(p)),a*(1+S(p)))}with(x)closePath(),fill(stroke())

Jan 21 2018 5:00 PM UTC

}// 138/140

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For some reason my phone does not require the x.beginPath(); command. (?)

u/sigveseb

afaik you don't need beginPath at all, since setting the width of a canvas resets it completely, including the current path
u/Qwitter

Thank you for your answer. It does work the same w/o beginPath on the phone's Safari browser, and i was able to get a little color with x.fillStyle=R(p);. However, it just makes a way to many verticied jumbled circular shape w/o it on the edge explorer (its a bad habit) on my computer. Another major difference I have seen between the phone andthe computer is in the results of using the 'HSVA' color coordinates, sometimes they look vastly different, but im not sure under what conditions that happens. Probably not worth investigating, but I'll note them here to spread some awareness.
u/Qwitter

*HSLA
u/Xen

part way between square and pentagon it gives a cube optical illusion ;)

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Qwitter

function u(t) {

l=20;c.width=1920;for(p=-2;p<3;p++){for(j=0;j<99;j++){x.beginPath();k=j%2;x.arc(810+p*240*S(t/4)+l*k,540,j*l,3.14*k,3.14*(k+1)),x.stroke()}}

Jan 21 2018 3:12 PM UTC

}// 140/140

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Qwitter

function u(t) {

c.width=w=2e3;s=w/3
x.font=s+'px Ariel'
x.fillText('YES',380+380*C(7*t),w*.4+S(t*9)*200)
for(k=8;k--;)x.drawImage(c,k*s/2,90*C(k+9*t),s,s);

Jan 15 2018 12:22 AM UTC

}// 139/140

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u/iverjo

Trippy ^^ Nice

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Qwitter

function u(t) {

a=500;c.width=4*a;x.lineWidth=9;x.beginPath();for(i=1;i<10;i++){p=3*C(t)+4*i*.698;x.lineTo(a*(2+C(p)),a*(1+S(p)));}x.closePath();x.stroke();

Jan 3 2018 8:02 PM UTC

}// 140/140

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Qwitter

remix of d/21311 by u/Qwitter

function u(t) {

eval(unescape(escape`𨴮𭵩𩅴𪄽𞔶𜄻𩥯𬤨𪴽𝴰𞵫𛔭𞴩𚅸𛥦𪕬𫅒𩕣𭄨𜴲𜄫𜔵𜄪𠴨𪴪𭄩𛄲𜄰𛄹𞔬𜴳𚔬𮄮𭅲𨕮𬵬𨕴𩔨𜴲𜄬𜔸𜄩𛅸𛥲𫵴𨕴𩔨𜔮𝄫𠴨𪴩𚔬𮄮𩅲𨕷𢕭𨕧𩔨𨴬𚅫𙔶𚔥𜴪𜴲𜄬𚄨𚅫𙔶𚔯𜴩𧤰𚔪𜔸𜄬𜴲𜄬𜔸𜄩𚔊`.replace(/u../g,'')))

Feb 3 2021 2:54 PM UTC

}// 122/140

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Barnsley's Busy Bees

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Qwitter

remix of d/21520 by u/erin

function u(t) {

w=c.width=1920;N=128;for(j=9216;j--;){X=(j%N)*15;Y=((j/N)^0)*15;r=Math.hypot(X-960,Y-540);x.fillRect(X,Y+50*C(r/N-9*t),f=.05*(X^Y)%32,f);}

Jan 31 2021 10:31 PM UTC

}// 138/140

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Qwitter

function u(t) {

x.fillStyle="#9351";x.fillRect(0,0,m=2e3,m);T=5.495;f=1+(t%(2*T)>T)^0;D=640;A=D/(1+(t%T)**3);x.clearRect(f*D+A*C(4*t),540+A*S(4*t),25,25);

Jan 26 2021 3:06 PM UTC

}// 138/140

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Exchanging Centers

u/smtsjhr

FILL then CLEAR instead of CLEAR then FILL! thats so neat! i never thought that and find it kinda *ZEN* in philosophy idk
u/Qwitter

Agreed @smtsjhr, I picked this technique up from post d/6548 by u/41407 and employ it frequently.

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Qwitter

remix of d/21382 by u/Qwitter

function u(t) {

eval(unescape(escape`𭴽𨴮𭵩𩅴𪄽𝤴𞵣𛥳𭅹𫅥𛥦𪕬𭅥𬤽𘥣𫵮𭅲𨕳𭄨𞔹𚕩𫥶𩕲𭄨𘤻𮄮𩥩𫅬𤵴𮕬𩔽𘤣𝥢𝔢𞵦𫵲𚅩🔲𜴰𝄻𪔭𛔻𮄮𩥩𫅬𤥥𨵴𚅘🕩𙕷𛅙🕩𛵷𛄱𛄱𛤲𚥃𚄵𚥴𚴮𜔪𚅘𛔳𜤩𚤪𜤭𛤳𚤨𦔭𜔸𚔪𚤲𚔩𚔻`.replace(/u../g,'')))

Jan 25 2021 12:30 AM UTC

}// 118/140

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Ginger Bakers Dozen

u/Xen

nice

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Qwitter

remix of d/21395 by u/Qwitter

function u(t) {

w=c.width=64;for(i=2304;i--;x.fillRect(X=i%w,Y=i/w^0,1,.7*C((X**2+Y**2)**.5-15*t)+.7*C(((X-32+S(t)*32)**2+(Y-18+C(t)*9)**2)**.5-15*t)));

Jan 24 2021 11:06 PM UTC

}// 137/140

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Interference

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Qwitter

function u(t) {

w=c.width=32;P=t^0;x.fillRect(0,0,w,w);x.fillStyle="#2c5";for(k=w;k--;)(f=2**k,P&f&&x.fillRect(k,1,1,1),1e3*(t-P)&f&&x.fillRect(3*k,3,3,1))

Jan 24 2021 5:20 PM UTC

}// 139/140

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Binary Clock: good till t (sec) hits the 32nd bit. ms below

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