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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ersagun

remix of d/18292 by u/ersagun

function u(t) {

if(!t)B=[-1,0,1,A=0],X=Y=700;z=frame;while(~z&1)z/=2;x.fillRect(X+=B[(A+=z&3)&3],Y-=B[~A&3],1,1)

Apr 16 2020 11:39 PM UTC

}// 96/140

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Dragon curve #fractal This is all I can golf.

u/ersagun

It may have an integer overflowing problem with the angle. I couldn't wait that long to confirm it.

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Wazabadoo

function u(t) {

a=960
x.fillRect(S(t*3)*480+a,20,30,10)
x.fillRect(a,0,10,1080)
x.putImageData(x.getImageData(0,0,1920,1080),0,1)

Dec 27 2017 3:57 AM UTC

}// 113/140

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rodrigo.siqueira

remix of d/32466 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=434;i--;)for(j=16;j--;x.fillRect(960+S(k=i/69.06)*r-j*30*S(t/3),540+C(k)*r+C(j/5+t)*88,4,4))r=25*j+C(i/23+t)*29*C(j/3-t*4)

Jan 18 2025 4:56 PM UTC

}// 137/140

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Organic wavy circles

u/taupelink

Cool! Brings to mind the jellyfish.

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logomach

function u(t) {

c.width=2e3;for(i=800;i--;)x.fillStyle=R(S(i)*255,S(t+i)*255,100),x.fillRect(0,i%T(t/1000+i*500)*20,10*i/2,3)

Jan 1 2018 10:08 PM UTC

}// 109/140

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KilledByAPixel

remix of d/19597 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭀿𢐮𫱮𪑮𬁵𭀽𩐽🡉𛡶𨑬𭑥🐧𩑶𨑬𚁵𫡥𬱣𨑰𩐨𩑳𨱡𬁥𨀧𚱓𭁲𪑮𩰮𩡲𫱭𠱯𩁥𤁯𪑮𭀨𛠮𛡛𛠮𛡉𛡶𨑬𭑥𧐮𫑡𬀨𨐽🡡𛡣𪁡𬡃𫱤𩑁𭀨𚐫𞐱𝰵𜀴𚐩𚰧𨀮𬡥𬁬𨑣𩐨𛱵𡁂𝀰𙑵𡁃𛱧𛀢𘠩𚐩𙰺𨰮𫱵𭁥𬡈𥁍𣀽𘠼𭁥𮁴𨑲𩑡𘁣𫱬𬰽𝰴𘁲𫱷𬰽𜠰𘁩𩀽𢐾𘠻`.replace(/u../g,'')))

Aug 4 2020 5:42 PM UTC

}// 139/140

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Invisible Dweet Maker - Paste in code to make it invisible!

u/KilledByAPixel

Demo: https://www.dwitter.net/d/19597 #tool #example

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KilledByAPixel

function u(t) {

x.clearRect(0,0,z=60,z)
x.fillText(s=String.fromCharCode(t*=z),20,30)
x.getImageData(a=0,0,z,z).data.map(b=>a+=b)
x.fillText(s,t%1920,9+a/9)

Jan 11 2024 8:15 PM UTC

}// 140/140

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Sorting Characters by Pixels ¯\_(ツ)_/¯

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Exca

function u(t) {

c.width|=t/=25
x.fillStyle=R(0,0,0,.1)
q=(w,o)=>{b=S(w/10+t)*7+960+o,v=180+w*10
x.fillRect(b,v,w,1080-v);}
for(j=54;j--;)q(j,S(t*j)*900)

Jan 3 2018 6:08 PM UTC

}// 138/140

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u/sigveseb

kefrens bars! (alcatraz bars? :D )
u/Exca

Indeed, with a pendulum swing
u/Exca

Had a version with ropes coming from top and each of the bars as squares. Couldn't get that one under 156 characters though.

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farter

function u(t) {

P=(a,b,c,d)=>(x.fillStyle=R(c,c,c),x.fillRect(a*d,b*d,-d,-d));for(i=26;i--;)for(j=16;j--;)P(i+C(t),j+S(t),C(S(i+C(t)*2)+S(j+S(t)*2))*255,80)

Mar 19 2017 6:21 PM UTC

}// 140/140

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u/magna

Nice!

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AndrewBetts

function u(t) {

x.fillStyle=R(0,0,0,.1),x.fillRect(600+(S(t/2)>=0?0:400)+200*C(t)*(S(t/2)>=0?1:-1),400+200*S(t),4,4)

Dec 22 2016 3:04 PM UTC

}// 100/140

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donbright

remix of d/2298 by u/keithclark

function u(t) {

for(a=c.width^=0;d=C(--a+t)*S(b=a/t/t),e=T(a+t)*S(b);x.fillRect(d*h+960,C(b)*h+540,i=h/40-5,i))h=900/(2-e),x.fillStyle=R(a,h/a,(h/b)%256);

Mar 26 2017 1:25 AM UTC

}// 139/140

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this dweet is dedicated to Lynda Obst, a producer of Interstellar

u/tapgiles

Would love to see a slowed-down version of this...
u/donbright

unfortunately i dont understand it enough to make an easy slowdown! divding t by a number is not enough