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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taupelink

remix of d/15218 by u/taupelink

function u(t) {

for(i=1e4,d=e=0;i--;)x.fillRect((q=d*3e3)*C(p=e*6.28),360+q*S(p),1,1),d+=((r=Math.random()*4|0)-1-d+d*d*e/4)/2,e+=("2110"[r]-1-e)/2

Aug 1 2019 12:36 AM UTC

}// 131/140

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Moved the X*X*Y term over to the X-coordinate

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rep_movsd

function u(t) {

eval(unescape(escape`𨰮𪁥𪑧𪁴👎👨🐸𜀰𒡁👛𜐬𜠬𞐴𛀲𛀱𧐊𠠽𦰴𞐬𜠬𝀹𧐊𢠽𭀪𞀥𜐬𢰽𚁊𚰮𜠩𙐱𒡦𫱲𚁙🐱𜀻𦐫𚰼𪀻𚑦𫱲𚁎𙐽𚁚👙𛰴𚐬𡐽𣠼𦠪𢠬𡠽𣠫𚰾𦠪𢰬𤀽𚁊🁋🱅𯁆𞡅𙡆𚐿𠐺𠠬𦀽𪀭𦐬𡰽𜀻𡰼𝰻𢐽𤁛𡰫𚱝𚡚𛰹𛀡𚁇𙐲𚑼𯁸𛡦𪑬𫁒𩑣𭀨𦀬𦐬𢐬𜠩𛁘𚰽𢐩𞰻`.replace(/u../g,'')))

Jul 28 2019 11:27 PM UTC

}// 140/140

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Speedway

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robbyg

function u(t) {

s=t*42
with(x)t<5?(beginPath(),arc(960-s,540-s,420-s*2,0,7),fillStyle=`hsl(99,50%,${15+s/3}%)`,fill()):0

Jul 29 2019 8:57 PM UTC

}// 104/140

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Ball?!

u/New_Core

=) in place of 0 in the end.. add : font="16cm'",fillText("❻",720,750)
u/katkip

^ kewl #sphere #lightness #light #d3

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New_Core

function u(t) {

for(c.width|=j=15;j--;){Z=800/(q=j+1-t%1),x.fillStyle=R(q*20)
for(i=90;i--;)x.fillRect(960+i%18*Z-Z*9+2*C(t)*Z,540+i%10*Z-Z*5+S(t/3)*Z,Z,Z)}

Jul 27 2019 2:53 PM UTC

}// 140/140

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R(q*20,0,0,q) for a soft exit

u/13thptr

woah
u/13thptr

same effect as in https://www.dwitter.net/d/701
u/DataMeta

Dude. This is next level immersive.
u/katkip

Cute
u/username

Applied the smooth thing in d/15169 :)

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katkip

remix of d/15196 by u/KilledByAPixel

function u(t) {

x.font='23cm"',x.fillText("🖼",-99,600)

Jul 30 2019 6:30 PM UTC

}// 38/140

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u/aaaaaz

#monalisa

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New_Core

remix of d/15204 by u/pavel

function u(t) {

for(i=400;i--;)x.fillStyle=`hsl(${i/40},99%,${80-i/4+20*S(t+4)+40}%)`,x.fillRect(960+i*S(t)+i/3,540+i*C(t)+i/3,6,6)

Jul 30 2019 2:41 PM UTC

}// 115/140

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what... almost a heart light... ;)

u/katkip

Nice method

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taupelink

remix of d/15167 by u/taupelink

function u(t) {

for(i=1e4,d=e=0;i--;)x.fillRect(960+(q=d*3e3)*S(p=e*6.283),135+q*C(p),1,1),d+=(((r=Math.random()*4)&1)-d)*(l=.6+S(i)**2/5),e+=((r&2)/2-e)*l

Jul 28 2019 3:04 AM UTC

}// 139/140

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Funny, if you replace the polar coordinates with rectangular coordinates 1920*d,1080*e, it doesn't look anthropomorphic at all

u/rep_movsd

The elder god of pixels
u/katkip

THIS IS KOROSENSEI!
u/taupelink

d/15168

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KilledByAPixel

remix of d/14863 by u/KilledByAPixel

function u(t) {

c.width|=0
p=999/(2*Math.PI)
for(k=4;--k;)for(j=1e3;a=j--/p*3;)x.arc(960,540,k*129+50*S(j/p+a*k*k)*(S(k*a-t*4/k)/2+.5),a,a)
x.fill`evenodd`

Jul 28 2019 4:14 PM UTC

}// 139/140

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Ring Weave Worms

u/katkip

looks 3d #d3

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veubeke

function u(t) {

c.width^=0
x.textAlign='center'
x.font='50em"'
_=960
for(i=2;i--;)
x.fillText(i?'😂':'😅',i*2*_,900),
x.drawImage(c,i*_,0,_,_,_-i*_,0,_,_)

Jul 29 2019 7:51 PM UTC

}// 136/140

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u/katkip

tears

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timur

function u(t) {

c.width=1920;for(i=0;i<40;i++)
x.fillStyle=R(i,S(t)*30+i,S(t)*40, i/3*10),x.fillRect(i*40+S(t*i)*100,C(t*i)*200+400,30,S(t)*i*30)

Jul 29 2019 7:41 PM UTC

}// 129/140

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test

u/40mackenzie

sick !!!!!
u/joeytwiddle

This could team up with d/5895