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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travis

remix of d/1130 by u/travis

function u(t) {

r=Math.random;g=69*r();b=186*r()+69;for(i=666;i--;){//fun7
l=(23*r())+1;x.fillStyle=R(9,g,b,r());x.fillRect(1920*r()-l/2,1080*r()-l/2,l,l);}

Feb 24 2017 4:49 AM UTC

}// 140/140

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u/katkip

#blue

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myxoh

function u(t) {

c.width=999
d=200
t%=4
l=t-1
x.f=x.fillRect
if(t<1)
x.f(d*t,0,9,9)
else if(t>2)
x.f(d,d*l,9,29)
if(t<2){
x.f(d,d*l,9,9)
x.f(d,d,9,9)
}

Jan 5 2018 10:45 PM UTC

}// 134/140

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u/joeytwiddle

Snake!
u/myxoh

That was the idea :), I wish I could have made a more complex one but I was out of characters :(

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Odog8

function u(t) {

c.width+=0
R=(x,y,z)=>[C(t)*x+S(t)*(C(t)*z-S(t)*y),C(t)*y+S(t)*z]
for(i=2e3;i--;x.fillRect(I[0]+500,I[1]+500,7,7))I=R(i%10*20,i%200,i/10)

May 26 2021 4:28 PM UTC

}// 137/140

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3d rotation formula, idk what to do with it so you guys can figure it out xd

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AnnanFay

remix of d/7166 by u/AnnanFay

function u(t) {

t?0:w=c.width=576
x.fillRect(0,0,w,w)
for(z=67;z--;x.fillText(0|(Y=~~(t*(3+z**7.1%20)-37))**7.3%9,z*9,Y*9%w))x.fillStyle=R(0,z&&w,0,z||.03)

Mar 8 2018 8:54 AM UTC

}// 139/140

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Digital Rain v2

u/iverjo

Yes!
u/katkip

#matrix

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Whimpers

function u(t) {

for(i=2e3,c.width=-1;v=26,p=i%3*3,i--;x.fillRect(150+p*S(P=i**.7)+v*C(V=i**.5),78+p*C(P)+v*S(V)*C(!p*i),1,1))c.style.filter=`sepia()invert(`

Apr 18 2020 5:14 PM UTC

}// 140/140

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u/katkip

#biology #virus #bacteria #organic
u/Xen

love it!
u/tomxor

Nice, I think this is a remix of d/17964 ? I recognise ye old p from saturn :P which I originally used it in

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rodrigo.siqueira

remix of d/26298 by u/rodrigo.siqueira

function u(t) {

for(m=1e4;m--;x.fill())x.beginPath(x.fillStyle=R(j=m**S(m/99+t),i=m%300,m/j*5,250/j/i)),x.arc(3*(o=i^j)*C(m)+940,o*S(m)+540,i*j/99,m,m+m%9)

Oct 14 2022 7:40 PM UTC

}// 139/140

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Eye of the Dragon

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AaronGiles

function u(t) {

x.font='60px Arial';y=t*60%27*41;x.fillStyle='#000';x.fillRect(0,y,1920,41);x.fillStyle='#090';for(z=0;z<64;z++)x.fillText(z*y*t%9|0,z*30,y)

Mar 2 2017 8:41 AM UTC

}// 140/140

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AOctavio

remix of d/18810 by u/AOctavio

function u(t) {

c.width=1920
x.fillStyle=R(S(t)*100,S(t*2.0944)*100,S(t*4.18879)*100)
for(i=0;i<100;i++)
x.fillRect(-19+i*40,500,19,500*S(t+i*6.2))

May 16 2020 12:17 PM UTC

}// 131/140

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kyle_serbov

remix of d/34730 by u/kyle_serbov

function u(t) {

for(i=9999;i--;X+=A[D],Y+=A[D^3])!t++&&(M={},A=[S=D=0,4,0,-4],X=Y=600),x.fillRect(X,Y,4,4),M[X+A[r=-~D%4]+[Y+A[r^3]]]||(D=r),M[X+[Y]]=S++%55

Jan 10 2026 10:33 AM UTC

}// 140/140

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made it faster

u/kyle_serbov

You can change the number '55' at the end to give a different pattern.
u/ximavus

If you remove the %55 entirely it fills and leaves a internet logo

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Scatropolis

function u(t) {

c.width=900;for(i=0.0;i<360;i+=1){
x.moveTo(S(i)*200 + 300,C(i)*200 + 300);
x.lineTo(S(7*i +t)*200 + 300,C(7*i +t)*200 + 300)};
x.stroke();

Dec 28 2017 6:18 AM UTC

}// 139/140

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u/Xen

i love that effect, check the second page of my top dweets ;)