Dweets awesomed by u/geb

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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username

remix of d/13604 by u/username

function u(t) {

c.width|=w=400
for(i=9;i--;)
x.fillRect(w+i*99+S(t)*300,w,50,w/2)





for(i=4;i--;x.font=`9em'`)x.fillText(code.split('\n')[i],0,312+i*234)

Jun 12 2019 8:41 PM UTC

}// 140/140

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#uberquine because it shows the code to render what it also renders

u/username

an uberquinequine would be what also shows the code that renders the uberquine, however, that would not be an uberquine anymore and look bad. would be easy to do it here, however, too dull
u/magna

LOL
u/katkip

wow
u/katkip

nice idea
u/geb

love it

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rodrigo.siqueira

remix of d/14541 by u/rodrigo.siqueira

function u(t) {

for(I=1850;I--;)for(var a=0,b=t/28,k=11;k--;)a=S(a)*b+t/I-2,b=C(I*a/800)*b-2,b>0&&(x.fillStyle=R(0,b*9,b*b*20),x.fillRect(t*120,I-770,2,1))

Jun 12 2019 3:26 PM UTC

}// 139/140

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Blue Marbled Patterns of Chaos #texture

u/geb

#background

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katkip

function u(t) {

!t?(s=0,q=1):x.fillRect(960-s,540-s,z=s*2,z),s+=1+s/9;if(s>1e3){s=0,x.fillStyle=R(h=(q%2)*256,h,h),q++}/////////////////////////////////////

Jun 12 2019 12:39 PM UTC

}// 140/140

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#loop

u/katkip

#tunnel

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donbright

remix of d/14532 by u/rodrigo.siqueira

function u(t) {

for(X=-(气=299);X<气;X+=9)for(Y=-气;Y<气;Y+=9){
Q=S(t)*(X*X)+C(t)*(Y*Y)
左=X*Q
右=Y*Q
x.fillStyle=R(左*Q,右*Q,255*S(t))
x.fillRect(960+X,550+Y,9,9)}

Jun 12 2019 12:30 AM UTC

}// 140/140

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1986 forever

u/donbright

#cga
u/CalSch

Who needs hallucinogenics when you have things like this on dwitter

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geb

remix of d/14528 by u/robbyg

function u(t) {

for(v=30,a=v,s=t%1,o=s;v--;)for(h=70;h--;x.fillRect(o+h*a,o+v*a,S(t)+a*s,S(t)+a*s))x.fillStyle=['#0a0','#0d0'][~~(t+h+v)%5]

Jun 10 2019 4:01 PM UTC

}// 123/140

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veubeke

function u(t) {

with(x)t?0:transform(20,5,0,20,960,0),fillStyle=R(_=255,_,_,.6),fillRect(-25,0,50,999),fillStyle=R(rotate(.03)),fillText('weeee',-15,46)

Jun 9 2019 9:24 PM UTC

}// 136/140

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weeee

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DataMeta

remix of d/14515 by u/DataMeta

function u(t) {

with(x)for(j=768;j--;beginPath(fill()))
g=257+t,fillStyle=R(o=C(g&j)*255,o,o,.5),
arc(64*(j%31),64*(j/31|0),Math.abs(S(t)*49),0,7)

Jun 9 2019 7:38 PM UTC

}// 130/140

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u/metamero

cool
u/katkip

Wait wow
u/joeytwiddle

Super. Reminds me of http://www.pouet.net/prod.php?which=564 hj fwdd

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Xen

remix of d/14505 by u/simonmkwii

function u(t) {

for(x.fillRect(0,0,i=940,i);z=--i**.25;x.fillStyle=R(0,900/--z,0,.4))x.setTransform(s=20/z,0,0,s,9,1),x.fillText(2*C(i)|0,i%z*94,t++%z*54)

Jun 9 2019 7:05 PM UTC

}// 138/140

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#matrix

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veubeke

function u(t) {

with(x)for(i=4;i--;fill(),drawImage(c,8,4.5,1904,1071))beginPath(fillStyle=`hsl(${(t+i)*90},80%,50%`),arc(960,540,535,_=S(t)*9+i*1.57,1.2+_)

Jun 7 2019 4:22 PM UTC

}// 140/140

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u/MAxSaL

Looks like a loading animation :-)
u/13thptr

#spiral
u/katkip

Mixing
u/donbright

so clean

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rodrigo.siqueira

function u(t) {

if(t<16){p=S(t)*999,q=p*t //random p,q
for(i=5e3;i--;){
po=p
p+=S(q+p),q+=po
q%=2*Math.PI,p%=2*Math.PI
x.fillRect(q*310,p*250,1,1)}}

Jun 7 2019 3:35 PM UTC

}// 132/140

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The chaotic sea in the phase space of the standard map on the two-torus. We observe a mixture of chains of chaotic regions, ergodic looks and stable islands. As seen on: https://www.math.uni-tuebingen.de/user/stke/… #chaos #attractor

dwitter.net | geb (18678)