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|=i=60,x.scale(5,5);i--;x.ellipse(192,20+o*160,o?60:80,o?30:15,0,a=(i>>1)*(o-.5)*.42+S(3*t)*.7,a+7))o=i+i/2&1
x.stroke()

Dec 11 2018 1:37 AM UTC

}// 131/140

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Twisted Cylinder #beesandbombs

u/pavel

Single stroke call and only ellipse to draw. The lines are canvas connecting the various ellipse draw cal into a single stroke, I just manage the start angles.
u/pavel

o determines which ellipse, 0 is top and 1 is bottom. It goes: top, bottom, bottom, top. Four-cycle to draw two vertical lines and reset. The angle increments every 2 so top and bottom angle is the same.
u/jylikangas

Thanks for writing about the tricks in your dweets.

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ellisk1

remix of d/11374 by u/ellisk1

function u(t) {

with(x)for(j=9;j--;stroke())beginPath(strokeStyle=`hsl(${t*j},90%,50%)`),arc(Y=540,Y,450,t+=a=1.57,b=t+a),arc(Y-99*S(t),Y+99*C(t),350,b,b+3)

Dec 10 2018 2:44 PM UTC

}// 140/140

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Twisting Ring v2

u/ellisk1

Hopefully this one works in safari
u/veubeke

It does :)

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pavel

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡣⹷楤瑨簽樽㠻欽樭ⴻ汩湥坩摴栽⸱⬴⩃⡴⼴⭯⨱⸶⤪⨳〬獴牯步⠩⥦潲⡢敧楮偡瑨⡯㵪㰴⤻欼㈰㭫⬽㌫漩汩湥呯⡘㴹㘰⭃⡡㵫⼮㔴㔷⤪⡶㴵〰⩃⡡⼷⭴⤩ⱙ㴵㐰⭓⡡⤪瘩ⱸ⹦楬汒散琨堭㐬夭㐬㠬㠩`.replace(/u(..)/g,"$1%")))

Dec 10 2018 8:51 AM UTC

}// 140/140

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Connecting the dots

u/13thptr

this one is clearly underrated

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jylikangas

function u(t) {

with(x)for(fillRect(0,0,2e3,2e3),fillStyle="#ccc",shadowColor=R(i=9);i--;fillRect(512+i*99+X/4,400,50,200))X=shadowBlur=(1+S(i/2+t*4))*40

Dec 9 2018 5:18 PM UTC

}// 137/140

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Grey #default

u/lionleaf

That's amazing!
u/joeytwiddle

mmm milky
u/Koi

So satisfying
u/vain

very cool

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veubeke

function u(t) {

c.width^=0
x.font='6em"'
for(i=9;i--;x.fillRect(25,0,50,200))x.setTransform(1,0,0,-1,(5+i)*99,(600-(t>i&&t-i)**9)),t>i&&x.fillText('🔥',0,0)

Dec 9 2018 11:35 AM UTC

}// 139/140

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#default #rockets

u/jylikangas

Awesome! :D
u/katkip

#genius
u/Xen

Love it!
u/aleamb

Lol!
u/lucio

Now make the booster land back :-)

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katkip

function u(t) {

t||(z='');c.width=500;x.font='3em"';x.fillText("cars be like:",0,40);
x.fillText(z.repeat(t),0-t**3,170)
z+=[..."vrumbm"][6*Math.random()|0]

Dec 6 2018 1:00 PM UTC

}// 140/140

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#meme

u/donbright

lol. this is great, reminds me of the old Woody Gurhtie kid's song about riding in cars.

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pavel

remix of d/11314 by u/pavel

function u(t) {

for(x.fillRect(j=11,0,2e3,2e3);k=20*--j;)for(i=241;i--;)x.clearRect(i*(8-j/6)+k,600-k-300/j*S(i*(2*j-1)/76.4)*S(j*t),s=12-j,s)

Dec 6 2018 8:47 AM UTC

}// 126/140

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Standing waves #beesandbombs

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pavel

function u(t) {

for(c.width|=i=64,x.scale(16,16);i--;)x.fillRect(X=i%8*8+30,Y=i&-8,X+Y&8,i+64-"@JDN_nu{q`Q".charCodeAt(t%12|0)?8:x.fillText('♞',X-1,Y+8))

Dec 6 2018 7:41 AM UTC

}// 138/140

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Knight's Tour v0 #chess

u/donbright

nice work

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pavel

remix of d/11280 by u/pavel

function u(t) {

for(c.width|=i=36;j=60*(--i>>2);x.fillRect(-j,0,2*j,u>0||9))x.setTransform(u=C(a=(i/2+t/8)*Math.PI),v=S(a),0,4,960+j*v,256+j/2-j*u)

Dec 5 2018 4:20 AM UTC

}// 131/140

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#pyramid v2

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rnbw

function u(t) {

x.font='1pt"';for(i=0;i++<6;){x.fillText("🔯🍡",960,540+T(t*i)*40000);x.drawImage(c,5*S(t+i),5*S(t-i),1920+10*C(t-i),1080-10*S(t+i))}

Dec 4 2018 7:29 PM UTC

}// 131/140

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a nebula! ⭐

u/magna

Nice!
u/rnbw

(turns out it looks best with chrome os or ios, though it looks WILDLY different on either...)

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