Dwitter - javascript demos in 140 characters

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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lionleaf

remix of d/16787 by u/KilledByAPixel

function u(t) {

c.width|=i=0
x.font='21em monospace'
'Not yet'.split('').map(c=>x.fillText(c,9+(I=i%13)*145,420+S(I+t)*99+399*(i++/13|0)))

Dec 4 2019 1:14 AM UTC

}// 122/140

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u/testerrr

test

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katkip

function u(t) {

/*‮*/eval(atob`dGhyb3cgIk1vdGl2YXRpb25FcnJvcjogRXhwZWN0ZWQgbW9yZSBsaWtlcyI=`)///////////////////////////////////////////////////////////////

Dec 1 2019 6:08 PM UTC

}// 140/140

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u/tomxor

I'm so torn, should I click awesome?
u/katkip

yes. #obfuscated
u/CalSch

What is this, why is "eval" backwards? Why is the text after the opening comment highlighted like a string instead of a comment? So confusing...

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KilledByAPixel

remix of d/16782 by u/KilledByAPixel

function u(t) {

for(i=1e3;i--;)x.fillText(8,X+=S(Y)*9,Y+=C(X)*9)}{X=Y=6

Dec 2 2019 1:54 AM UTC

}// 55/140

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#Ant 40 speed up * 1000

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Blacklink

function u(t) {

c.width|=0
x.fillStyle=R(49,210,247)
x.fillRect(0,600+30*S(t),1920,999)
x.font=300+30*S(t)+'px A'
x.fillText("🏄‍♀️",900+9*C(t),700+90*S(t))

Dec 1 2019 8:14 PM UTC

}// 139/140

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Surfing! Had to make it pretty simple in order to fit it in, but that's the game :P

u/13thptr

golfed it a bit (131) c.width|=0;b=S(t);with(x)fillStyle="#31d2f7",fillRect(0,600+30*b,2e3,999),font=300+30*b+"px'",fillText("🏄‍♀️",900+9*C(t),700+90*b)

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katkip

remix of d/16764 by u/KilledByAPixel

function u(t) {

X=960,Y=540;with(x)for(fillStyle=`hsl(${t*999},99%,50%,.1`,i=999;i--;)x.fillRect(X+=S(t+=Y)*11,Y+=C(X)*11,X/59,Y/59);x.drawImage(c,0,2)

Dec 1 2019 5:43 PM UTC

}// 135/140

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Throwing paint on the canvas! #art

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KilledByAPixel

remix of d/16781 by u/Xen

function u(t) {

x.fillText(8,X+=S(Y)*9,Y+=C(X)*9)}{X=Y=6

Dec 2 2019 1:52 AM UTC

}// 40/140

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#Ant 40 - this one lasts a long time, like hours, you think its gone, then it comes back

u/katkip

#record

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Blacklink

function u(t) {

r=10
m=2*Math.floor(t/7)+1
c.width|=0
for(var s=0;s<t%7;s+=0.001){x.fillRect(1000+1000*S(s)*C(m*s)*C(s),500+1000*C(s)*S(m*s)*S(s),r,r)}

Nov 30 2019 9:04 PM UTC

}// 135/140

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Spirograph generator

u/jellyedwards

#waitforit very cool

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Xen

remix of d/16774 by u/tomxor

function u(t) {

x.fillText(8,X+=S(Y)*t,Y+=C(X)*t)}{X=Y=540

Dec 1 2019 11:40 PM UTC

}// 42/140

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42 thanks to tomxor

u/KilledByAPixel

👍

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KilledByAPixel

remix of d/15778 by u/KilledByAPixel

function u(t) {

t?0:I=O="";throw(O+=" Servwilgodnfmatcyb2u3ps.Djh,k'"["𠒃𨢠񉠇񚅀𺐋񛀃򃕦𣷋򒰂񪖠񪗊𔑊𤉍𨩠񢷀񘵴𒫕𓛶󓼠𡗢𕴶򍵂󠋴𓱒񛁃񸃎򊵢񫡐񸄆򎴀򈣠󊞏󈀉򃑝󈁴𐤱𕇏𧗀򠈎򷐖񲗀򚶠󋡏󀱆𤈠򲑾𐤥󸵦𒅩𖀀".charCodeAt(I/2)>>I++%2*5&31])//⚠️

Dec 1 2019 11:15 PM UTC

}// 140/140

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⚠️ Warning ⚠️

u/tomxor

:D Everyone's doing maintenance today! just finished ours, 8 servers in 1 hour.
u/joeytwiddle

Ha that's nothing. My website's been down for 6 years!

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KilledByAPixel

remix of d/16762 by u/KilledByAPixel

function u(t) {

X=960,Y=540
with(x)for(beginPath(stroke()),lineWidth=4,strokeStyle=`hsl(${-t*99},99%,50%,.3`,i=1e4;i--;)lineTo(X+=S(t+=X*Y)*9,Y+=C(t)*9)

Nov 30 2019 3:06 AM UTC

}// 136/140

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ant trails

u/KilledByAPixel

🐜 #ant
u/DataMeta

Super neat. #colors
u/Xen

love it!
u/katkip

sexy
u/katkip

#art