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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magna

function u(t) {

x.fillRect(960,0,1,1,x.fillStyle='red');(i=new Image).src=c.toDataURL('image/jpeg');x.drawImage(i,5,0,1910,1088);x.filter='sepia('+S(t)*C(t)

Mar 1 2017 6:39 AM UTC

}// 140/140

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Requires Chrome

u/iverjo

Interesting technique
u/magna

Seems to be broken on latest version on Chrome.

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weriho

function u(t) {

alert(1)

May 30 2024 5:18 PM UTC

}// 8/140

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iverjo

remix of d/89 by u/iverjo

function u(t) {

c.width^=0;for(i=5e3;i--;)p=3*t+S(t/2)*i/3e3+i%4/.637,d=C(p)-S(p),d>0&&x.fillRect(960+199*S(p)+249*S(t/.7+i/6e3),i/4-2,199*d,1/(d+1))

Feb 24 2017 6:50 PM UTC

}// 133/140

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Show more comments…
u/SpecialAgent

nicely done!
u/Kalanchoe

Flawless!
u/donbright

oh wow, the shading!
u/sigveseb

Good twister! Can we add color?
u/iverjo

Color would be awesome :) Feel free to try to add it
u/sigveseb

https://www.dwitter.net/d/1267 red
u/iverjo

Here's a purple version. Had to make some compromises. https://www.dwitter.net/d/1278
u/donbright

i attempted a rainbow version https://www.dwitter.net/d/1282
u/iverjo

#twister
u/vain

nice twister

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Xen

remix of d/2051 by u/xem

function u(t) {

c.style=`background:radial-gradient(gold,cyan,purple,#FFF 50%);transform:rotateX(${t*t}deg)rotateY(${t}rad)rotateZ(${t}rad)scale(${T(t*t)})`

Jul 17 2017 8:02 PM UTC

}// 140/140

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BalintCsala

remix of d/9613 by u/BalintCsala

function u(t) {

c.width=-1
for(i of"201")x.fillStyle=R(i*T+(K=t%(p=1.57))/p*T),x.fill(new Path2D("M"+[T=99,0,(A=S(z=K+p*i)*T)+T,T-C(z)*33,T+C(z)*T,T+A/3]))

Aug 31 2018 11:11 PM UTC

}// 139/140

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Uncompressed version achieved with lots of help from u/yonatan

u/f8f82804

#d3 #shading #animated #path2d
u/katkip

Haha nice!
u/aleamb

coooooool
u/lionleaf

#pyramid
u/donbright

ha ha ha brilliant

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hcon

function u(t) {

for(i=0;i<50;i++)
{
x.fillStyle = R(C(i+t*50)*100)
x.fillRect(960+C(i*t)*C(i+t)*(100*i),580+S(i*t)*(100*t),10+t,10+t)
}

Apr 4 2022 8:39 PM UTC

}// 119/140

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poppadott

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lewdev

remix of d/23446 by u/lewdev

function u(t) {

for(c.width|=0,x.font=`2in"`,i=80;--i;)y=i%4,m=y==1||y==2,x.fillText(m?"🚘":"🏠",99+y*500,(m?0:-2e3)+500*(m?-t:t)%2e3+i*(m?99:50))

Aug 29 2023 10:56 PM UTC

}// 128/140

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🚘 Cars driving through town (reduced code)

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taupelink

function u(t) {

for(i=1e3,d=e=f=l=.9;i--;x.fillRect(d*z,z+e*z,.5,.5))[d,e,f]=[d+((r=Math.random(z=240)*9|0)-d+S(g=d+f)**9)*l,e+(r%3-e-S(2*g))*l,f+(r%2-f)/2]

Aug 18 2019 2:16 AM UTC

}// 140/140

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Arches

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rodrigo.siqueira

remix of d/25294 by u/danny@hille.dk

function u(t) {

f=(X,Y,n)=>X*S(X)<9?f(X-Y**3,2*X*Y-.2,n+1):C(n/9)**4
for(i=2e3;i--;)x.fillRect(i,t*200,.6-f(i/740-1.3,t/2.1-1.3,12),9)

Apr 7 2022 1:48 AM UTC

}// 118/140

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Ntsutae's equation remix (noisy version)

u/ntsutae

👍

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afs

function u(t) {

d=-t*t*90;x.strokeRect(900+(S(t*2)*(90+C(t)*400))/.4,0-(C(t*6)*(50+C(t)*200+T(t)*100))/1.3,d*9,d/3);x.rotate((9*S(t*3)+3*C(t*t*t*9))/300)

Sep 11 2019 3:05 AM UTC

}// 137/140

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