New #traffic dweets

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: #Opposites

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ntsutae

function u(t) {

t?f++:f=N=99
for(c.width|=X=Y=i=0;Y+=S(v=~~(S(~~((f-i)/16))*N)%4*11),X+=C(v)+S(v),s=i++%N?20:50,i<N*16;)x.fillRect(X*9+960-s,Y*9+540-s,s,s)

May 1 2020 1:55 PM UTC

}// 140/140

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Distribution system #City #Traffic

u/ntsutae

PI/2=11/7
u/joeytwiddle

Multiplayer Amidar? :-D
u/KilledByAPixel

👍
u/tomxor

:O City Building !?

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tomxor

remix of d/18497 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𪐽𨰮𭱩𩁴𪀽𜰸𝀬𮀮𩡩𫁬𤱴𮑬𩐽𙰣𜀱𜐲𙰻𛐭𪐻𮀮𨱬𩑡𬡒𩑣𭀨𛠮𛠨𪐦𜐿𦰱𜀫𦀬𜐴𚱙𛀳𝠬𜠸𛁸𛡦𪑬𫁒𩑣𭀨𦀭𝐬𦐬𦐥𝠵𚰱𜀬𭰩𧐺𦰨𭀫𚰫𤰨𭀩𚐪𜠰𛠳𝰲𙑷𚱩𙐹𛀱𚱘𙑷𛀴𛀲𛁸𛡴𬡡𫡳𩡯𬡭𚀰𛀱𛀭𜐬𜀬𭰬𜀩𧐩𚐩𦀽𪐥𞐼🀶𛁙👩𙐵🀼𝠻`.replace(/u../g,'')))

Apr 26 2020 3:13 PM UTC

}// 139/140

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#City #Traffic #Simulator v3

u/DataMeta

Impressive! I like how you packed in the behavior details
u/KilledByAPixel

🚦 These drivers must be from the city I live in. Brilliant work!
u/sigveseb

Next level!
u/katkip

Looks very good
u/katkip

wait what the cars are actually smart. #genius

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tomxor

remix of d/18484 by u/jylikangas

function u(t) {

for(w=i=c.width=256;--i;x.fillRect(...(i&1?[6+X,6+Y,48,36]:[(t+++S(t))*20.372%w+i%9,1+X%w,4,2,x.transform(0,1,-1,0,w,0)])))X=i%9<<6,Y=i%5<<6

Apr 25 2020 11:25 PM UTC

}// 140/140

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#City #Traffic #Simulator v2

u/tomxor

They are mostly behaved at the junctions, few maniacs' here and there...
u/KilledByAPixel

👍
u/jylikangas

Very clever to use transform here! Thanks for improving this.
u/tomxor

Thanks for starting the idea, was really fun making this one.

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f8f82804

remix of d/11749 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;x.fillRect(X/d+960,Y/d-960,s=48-2e4*d,s))d=Math.hypot(X=S(ϕ=i/612)*S(θ=i*37+i**C(i+t)/i-t),Y=C(ϕ)/.8+3,C(θ)*S(ϕ)+5)/3e3

Jan 12 2019 12:03 AM UTC

}// 140/140

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#perspective #sphere #pointcloud #swarm #traffic #hypot

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f8f82804

remix of d/11688 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;x.fillRect(960+800*S(θ)*S(ϕ)/Z,540+800*C(ϕ)/Z,s=18*(Z>2?.1:2.1-Z),s))ϕ=i/612,θ=i*37+(i/9)**C(i+t)/99-t/2,Z=C(θ)*S(ϕ)+2

Jan 7 2019 10:32 PM UTC

}// 139/140

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#perspective #sphere #pointcloud #swarm #traffic

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magna

remix of d/8740 by u/magna

function u(t) {

with(x)for(i=fillRect(0,0,c.width=w=255,w)|99;i--;fill(arc((t*b+i)*i+w&w,99+b,5+b/5,!beginPath(),7)))b=i&1?1:-1,fillStyle=R(w,b*w,b*w*.8,.2)

Jun 26 2018 12:21 PM UTC

}// 140/140

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Highway at Night - yellow headlight edition with westbound traffic bugfix

u/magna

#bokeh #traffic
u/magna

i&1?1:-1 can be i&1||-1

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magna

function u(t) {

x.fillRect(0,0,c.width=w=255,w)
for(i=99;i--;x.fill(x.arc((t*b*i+i*i)%w,99+b,5+b/5,!x.beginPath(),7)))b=i&1?1:-1,x.fillStyle=R(w,b*w,b*w,.2)

Jun 26 2018 3:22 AM UTC

}// 140/140

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Highway at night #bokeh

u/lionleaf

I like it! #traffic
u/magna

2 chars shorter, yellow headlights: with(x)for(i=fillRect(0,0,c.width=w=255,w)|99;i--;fill(arc((t*b+i)*i%w,99+b,5+b/5,!beginPath(),7)))b=i&1?1:-1,fillStyle=R(w,b*w,b*w*.8,.2)
u/aleamb

absolutely beautiful, magna
u/joeytwiddle

Love it. Reminds me of Mercury - The Timeless. Would be great to get some z-axis going.
u/magna

Thanks folks!

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sfz

remix of d/2351 by u/nonce

function u(t) {

c.width=w=512
with(x)fillRect(0,h=240,w,w),clearRect(t*999%w-31,h+7,93,9),font='9em a',fillText(['🚗','🚃','🚙'][~~(t/2)%3],w-(t*w&1023),h)

Mar 31 2017 4:25 AM UTC

}// 136/140

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