Dweets awesomed by u/pavel

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: #Food

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pavel

function u(t) {

for(c.width=960,p=Math.PI,r=270,k=64;k--;)for(r*=k%2||C(d),n=j=k%2?7+k>>1:99;j--;x.arc(480,270,r,a=2*d*j-p/2,a))d=p/(n-1)
x.fill`evenodd`

Jun 29 2019 11:20 PM UTC

}// 137/140

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Vertex sphere

u/pavel

Based on Mathologers shirt: https://www.youtube.com/watch?v=O1sPvUr0YC0
u/KilledByAPixel

👍
u/Xen

oooooo nice
u/pavel

With more layers the middle circle does not shrink to nothing, it asymptotically approaches about 11% of the radius

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pavel

remix of d/14826 by u/KilledByAPixel

function u(t) {

for(w=j=c.width|=f=o=>500*C(q=22/7/(3+~~o*5%8))/C((a+t)%(2*q)-q);a=44/7*--j/w;x.arc(960,540,f(t+1)*e+f(t)*(1-e),a,a))e=(t%1)**9
x.fill()

Jun 29 2019 7:03 AM UTC

}// 136/140

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u/13thptr

smooth
u/katkip

wooow
u/KilledByAPixel

I knew pavel would make it better. ;)
u/KilledByAPixel

https://imgur.com/MDGvSaU
u/donbright

amazing

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pavel

remix of d/14781 by u/KilledByAPixel

function u(t) {

P=2*Math.PI
t/=2
p=P/(3+~~t%5)
for(w=j=c.width|=0;j--;x.arc(960,540,500*(1+(C(p/2)/C(a%p-p/2)-1)/(1+1e5**C(P*t))),a,a))a=P*j/w
x.fill()

Jun 29 2019 3:01 AM UTC

}// 135/140

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u/KilledByAPixel

Amazing!
u/katkip

too math for me

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KilledByAPixel

function u(t) {

c.width|=0
for(j=2093;j--;x.lineTo(j+(.1+q)*19*S(X=j/9+y/9+t*9),y+540))y=C(j/9)*540,q=(j-960)**2+y**2<2e5
x.fill()

Jun 27 2019 5:14 PM UTC

}// 114/140

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Circle in Waves

u/joeytwiddle

Nice. Novel!
u/magna

Great!
u/katkip

wow
u/katkip

#waves

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loktar

remix of d/14747 by u/loktar

function u(t) {

for(x.drawImage(c,0,-1),W=-t*6,i=2e3;i;i--)x.fillStyle=`hsl(${t*20},99%,${90*S(W+=.1)}%)`,x.fillRect(i+10*S(9*t),1080,1,-S(W))

Jun 25 2019 10:23 PM UTC

}// 126/140

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Done from scratch instead of following the patterns I had in my original was able to golf it down to an acceptable size.

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KilledByAPixel

remix of d/14763 by u/KilledByAPixel

function u(t) {

c.width|=0
with(x)for(j=50;j--;)for(beginPath(i=99);i--||stroke();)arc(j%10*192+96,50+96+(j/10|0)*192,96,q=i*.0641,(q*j+t)%(Math.PI*2))

Jun 25 2019 9:46 PM UTC

}// 135/140

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Iris Variations

Show more comments…
u/loktar

Awesome!
u/Xen

LOVE IT!
u/donbright

ok thats it. Internet is now complete. no need for anything else
u/magna

#multidweet
u/KilledByAPixel

Mathologer video about this: https://www.youtube.com/watch?v=qhbuKbxJsk8
u/KilledByAPixel

https://www.fxhash.xyz/generative/2216 #fxhash

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KilledByAPixel

remix of d/14751 by u/KilledByAPixel

function u(t) {

with(x)for(i=219;i--;fill())for(beginPath(j=3);j--;arc(960,540,i*9,a=j/.477+S(i/2+t)/2+.52,a))fillStyle=`hsl(${i-t*19} 99%${30+S(i)*30}%`

Jun 25 2019 4:39 PM UTC

}// 137/140

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▲Triangle Twister▼

u/loktar

Love it!
u/magna

Pretty!
u/aleamb

love it!

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KilledByAPixel

function u(t) {

with(x)beginPath(save(restore(font="9em'"))),translate(960,540),rotate(-t),moveTo(0,0),clip(arc(0,0,3e3,1.56,1.58)),fillText(u,-t*12*t,t*20)

Jun 24 2019 7:42 PM UTC

}// 140/140

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Spiral #quine #slowdraw

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u/Xen

very clever!
u/jylikangas

And creative!
u/katkip

#genius
u/KilledByAPixel

Thank you, this one came to me in a dream.
u/katkip

#slowrender
u/iverjo

#waitforit
u/KilledByAPixel

Full explanation on my blog: http://frankforce.com/?p=6232
u/magna

This is great!

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KilledByAPixel

function u(t) {

with(x)for(fillRect(0,0,c.width|=i=6,2e3),globalCompositeOperation="xor";i--;fillText("𝐗𝐎𝐑",130+49*S(q=i/.95+t),820+49*C(q)))font="52em'"

Jun 23 2019 2:36 AM UTC

}// 137/140

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The power of XOR

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taupelink

function u(t) {

c.width|=0,x.font="300pt sans",z="ACT I",p='🔫',s=(t%22/3)|0,s>5&&(s=5)
x.fillText([z,p,z+'I',p,z+"II",'💥'+p][s],99*[4,9,4,9,3,5][s],650)

Jun 22 2019 4:24 AM UTC

}// 137/140

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Chekhov's water pistol emoji. #silly

dwitter.net | pavel (32390)