Dweets awesomed by u/davidsharp

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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Current theme challenge: #Opposites

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anotherkitten

remix of d/9529 by u/anotherkitten

function u(t) {

c.style.background=R();c.width|=0;for(i=k=3e3;i-=6;){x.fillStyle=R(b=99*S(a=i/(300+50*C(i*9))+t*2)+99,0,k);x.fillRect(i,420+b,h=9+C(a)*3,h)}

Sep 28 2018 2:47 PM UTC

}// 140/140

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improved my first dweet

u/Xen

Love It!

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BalintCsala

function u(t) {

eval(unescape(escape`挮睩摴栽ⴱ㭣⹳瑹汥⹦楬瑥爽恩湶敲琨⑻⡴⬮㔩┲簰絠㭦潲⡪㴹㤻樭ⴻ⥸⹳整呲慮獦潲洨猽匨愽⵴⨱⸵㜩Ɽ㵃⡡⤬搬⵳Ⱘ䠽⠨琫⸵⤥㈼ㄩ⨱㠩⬨樥㄰ⴱ⭴┱⤪㌵Ⱘ樯㄰簰⤪㌵ⵈ⤬砮晩汬剥捴⠭ㄳⰭㄳⰲ㔬㈵⤻`.replace(/u(..)/g,"$1%")))

Sep 27 2018 8:41 AM UTC

}// 139/140

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Inspired by a beesandbombs tweet

u/katkip

This dweet is awesome!
u/Xen

impressive!
u/joeytwiddle

Lovely :)
u/joeytwiddle

#beesandbombs https://twitter.com/beesandbombs/status/1044…
u/asad123

nice

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yonatan

remix of d/10109 by u/Purpzie

function u(t) {

c.style.filter='invert(1';c.width=-1;for(i=50;i--;x.fillText(u,t*-33,2))x.setTransform(a=4+i*i/150,0,0,a,150,84),x.globalAlpha=1-(i/50)**.1

Sep 27 2018 2:30 AM UTC

}// 139/140

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u/joeytwiddle

Epic #quine
u/katkip

Genius
u/Purpzie

i'm just imagining this with the loud THX sound
u/magna

Whoa!
u/vain

stunning !!!

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davidsharp

remix of d/8797 by u/davidsharp

function u(t) {

with(x)for(i=n=23,g=1e3;--i;)F=f=>Math.abs(g-t/2*f(i/n)*g%(2*g)),fillStyle='#0001',fillText([...font='90px 🔴🔵😶'][5+i%3],F(C,g),F(S,g))

Sep 26 2018 12:04 PM UTC

}// 134/140

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painting

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keithclark

function u(t) {

for(c.width=340,i=160;i--;x.font=7+C(j=t*9+(X+Y)/2)+'pt a',x.fillText(['🔵','⚪️','🔴'][X/5|0],50+C(j)*4+X*16,32+S(j)*4+Y*16))X=i%15,Y=i>>4

Sep 25 2018 3:05 PM UTC

}// 136/140

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[...'🔵⚪🔴'] to save 4 bytes

u/f8f82804

u/keithclark: you have to remove the variant selector to make that work
u/MatthewKhan

You have to change the colours to make that work

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yonatan

function u(t) {

t?c.width|=0:U=V=Y=X=.1
d=X*X+Y*Y>1&&(X*U+Y*V)**.7
X+=U-=X*d
Y+=V-=Y*d-.01
x.arc(a=540,a,a,0,9)
x.arc(a+X*a,a+Y*a,40,0,9)
x.fill('evenodd')

Sep 25 2018 1:35 PM UTC

}// 139/140

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Phunky Physics

u/joeytwiddle

Fun! #bounce
u/cantelope

the last paramater of x.arc can be 7, 8, or 9 as a single digit that closes the circle.. i usually go with 7 because it's the closest integer > 2π, but it's interesting that you go with 9 usually :)
u/joeytwiddle

#physics

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prplz

remix of d/10060 by u/prplz

function u(t) {

for(let q=33,X,Y=q,r;Y--;)for(X=59;X--;x.fillRect(X*q,Y*q,q,q))x.fillStyle=R(0,r=S((X&7^Y&7)+t*2)*190,r*2)

Sep 25 2018 1:11 AM UTC

}// 106/140

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Xen

function u(t) {

for(Y=i=960;i--;x.fillRect(Y+C(i-i/7+t)*Y,540+S(t+i)*540,19,19))x.fillStyle=R(Z=i/4,t*9%Z,Z*S(t))

Sep 24 2018 6:59 PM UTC

}// 97/140

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have a play with the C() and S() in fillRect

u/prplz

love it
u/joeytwiddle

Nice changing #pattern

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yonatan

remix of d/10014 by u/yonatan

function u(t) {

c.width|=f=(u,v,a,s,i=3)=>s<9?x.lineTo(u,v):i&&f(u+S(b=a+i*Math.PI/3*2)*s,v+C(b)*s,b*-2,s/5*3)|f(u,v,a,s,i-1)
f(960,540,t/9,270)
x.fill()

Sep 22 2018 3:26 PM UTC

}// 137/140

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u/katkip

That's awesome #fractal
u/iverjo

cool!
u/joeytwiddle

mother of #sierpinski #dragon
u/quuxman

delicious

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jylikangas

function u(t) {

for(c.width|=i=9,x.translate(960,540),x.rotate(S(t)*3);i--;x.fillRect((F=e=>--e*q*(D>1?D:1)-q/2)(i%3),F(i/3|0),q,q))D=t%2*6-i,q=400/(t%2-3)

Sep 16 2018 6:02 AM UTC

}// 139/140

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Block party

Show more comments…
u/BalintCsala

But....how?
u/katkip

wow
u/katkip

wow
u/katkip

wow
u/katkip

wow x952
u/lionleaf

Now that's impressive! #infinite #zoom
u/DataMeta

Brilliant.
u/joeytwiddle

Superb!
u/katkip

#beesandbombs
u/Cloud

Cooool!!!!

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