Random dweets | Dwitter

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) {

eval(unescape(escape`𬔽𨴮𭵩𩅴𪅞🔰𞵷🔲𚤵𝤰𞵦𫵲𚅪🔰𞵪🄹𞵪𚴫𚕻𮄮𩥩𫅬𤵴𮕬𩔽𤤨𚄱𜴪𭄩𙔲𝔶𛄰𛄨𜤱𚥴𚔥𜤵𝤩𞵸𛥦𪕬𫅒𩕣𭄨𝄰𜄫𪤪𜔰𜄫𤴨𭄩𚤳𜄰𛄴𜄰𛄵𜄬𜤰𜄩𯔻𩥯𬤨𪔽𜴻𪔭𛔻𚕦𫵲𚅫🔹𞵫𛔭𞴩𮄮𩅲𨕷𢕭𨕧𩔨𨴬𪴥𜴪𬔯𜴬𚄨𪴯𜴩𧤰𚔪𭴯𜴬𬔯𜴬𭴯𜴩`.replace(/u../g,'')))

Jan 18 2021 8:45 PM UTC

}// 138/140

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Defaulting Party!

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Valui

remix of d/32785 by u/Valui

function u(t) {

c.width|=0;for(i=0;i<800;i++)x.beginPath(),x.arc(960+960*C(i+t),540+540*S(i/1.618+t),8+8*S(t+i/50),0,1618),x.fill()

Nov 19 2024 2:23 AM UTC

}// 116/140

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katkip

remix of d/12202 by u/katkip

function u(t) {

c.width^=0;t||(n="7");q=(7*(frame+1)).toString();n+=q[0]!=("0"==0?'0':'0')?q[0]+" "+q[1]:" "+q[1];x.font='9cm"';x.fillText(n,99-t*t*99,590)

Feb 6 2019 11:04 AM UTC

}// 139/140

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#sequence A087075 #math

u/Undefined

Doesn't the ("0"==0?'0':'0') Just evaluate to 0? In both your true and false cases, you just use 0 (as a string, for whatever reason)...

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codezmr

function u(t) {

for(i=6e3;i--;x.fillRect(960+Math.cos(a)*d,540+Math.sin(a)*d,2,2))a=i/9+t,d=Math.sin(i)*(i%3e3)+(i&t)*9

Jan 16 2026 2:13 PM UTC

}// 103/140

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veubeke

remix of d/16865 by u/mildlybean

function u(t) {

c.width|=0;C=t?C+W**1.5*.1:W=0;onclick=e=>C++;onkeydown=e=>C-=C<50*-~W||++W*50;x.font='6em"';x.fillText(`🍪 ${~~C}, 👆 `+W,9,90)

Dec 17 2019 4:03 PM UTC

}// 126/140

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Made some room for more features

u/lionleaf

Nice! Found a bug: You lose 1 cookie even if buying a clicker fails.
u/DataMeta

It's the bug that eats the cookie!
u/veubeke

@lionleaf: you’re right, replacing || with ?0: fixes that

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WeirdWaves

function u(t) {

c.width = 256;for(i=0;i<256;i++){for(j=0;j<256;j++){ x.fillStyle = R(0,0,0,S((T(i)*T(j))*t)%5);x.fillRect(i,j,1,1)}}

Sep 26 2021 9:31 AM UTC

}// 117/140

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iverjo

function u(t) {

for(i=13;i--;)k=i!=12,x.beginPath(),x.arc(960+400*k*C(j=i*.523),540+400*S(j),9+50*k,0,7),x.fillStyle=R(a=255*k,a*(i==(t*9%12|0)),a),x.fill()

Jan 28 2017 6:59 PM UTC

}// 140/140

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Optical illusion: Look at the center dot for at least 5 seconds. What you should see is that the missing dot becomes light green. Keep staring at the same point for another 10-30 seconds, and you might notice that some pink dots will "disappear". This is due to cone fatigue in your eyes.

u/iverjo

Two characters can be shaved by replacing k=i!=12 with k=!!i
u/lionleaf

Haha, amazing!
u/iverjo

#opticalillusion

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lewdev

remix of d/28307 by u/KilledByAPixel

function u(t) {

t?onmousemove=e=>(X=e.x*4,Y=e.y*4):X=Y=0
for(j=5e3;r=j--/(9-++t%9);x.fillRect(j,0,.2,2e3))x.clearRect(C(j)*r+X,S(j*j)*r+Y,r>>=8,r)

May 5 2024 3:23 AM UTC

}// 130/140

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Tiny Starfield 🌠🖱 Mouseover to change view angle!

u/cantelope

innovative
u/lewdev

Thanks u/cantelope but credit definitely goes to u/KilledByAPixel for making "Tiny Starfield" so tiny (93b)!
u/lewdev

I found a similar amazing use of onmousemove with d/24231 by u/Joachim
u/magna

You can avoid having to initialize X and Y by hijacking existing globals you don't use like T and R.
u/lewdev

Great tip u/magna! I was thinking about that a lot to cut out bytes recently.

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intrinsic

remix of d/19073 by u/intrinsic

function u(t) {

for(i=e=c.height|=0;i--;x.fillRect(e+C(i)*r,e/2+S(i)*r,6,6))r=e*C((i+t)*S(t/e))

Aug 21 2020 6:14 PM UTC

}// 79/140

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Particle loop golf

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andrea270872

function u(t) {

K=55
T=t*60*K
I=T%2e3
J=(T/2e3*K)%1e3
A=I/1e3-1,B=J/600-1
for(i=0;i<15;i++)[A,B]=[A*A-B*B-.8,2*A*B+.2]
if((A*A+B*B)<99)x.fillRect(I,J,K,K)

Mar 7 2019 12:47 PM UTC

}// 138/140

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Ghost of Julia