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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ThirdEstate

function u(t) {

c.width=1920;for(i=0;i<1e3;i++){x.fillRect(950+C(t+i*9/6)*1e3,550+S(t+i*1.6)*700,10,80*S(t)*3);x.fillStyle=R(50+S(i)*70,0,100,1)}

Jan 7 2019 6:11 AM UTC

}// 129/140

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u/katkip

...

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metamero

remix of d/11674 by u/metamero

function u(t) {

eval(unescape(escape`瑼簨夽欽㐸〬洽堽㈪欬渽瀽焽㐬潮浯畳敭潶攽攽㹻昽㐪欯楮湥牗楤瑨㭘㵦⩥⹸㭙㵦⩥⹹紬潮捬楣欽牥獥琩㭡㵘⵭㭢㵙⵮㭤㵡⩡⭢⩢㭲㴱⴮㤯搻搯㵫㭰⬽愯搬焫㵢⽤㭸⹬楮敔漨洫㵰⨽爪㵤㸱Ɱ⬽焪㵲⤻砮獴牯步⠩`.replace(/u(..)/g,"$1%")))

Jan 7 2019 4:34 AM UTC

}// 140/140

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#interactive!! easier : decaying drawing orbits : initial conditions set to a impressive drawing #waitforit : or : move #mouse to change atractor : click to reset : #gravity #orbit

u/joeytwiddle

Very nice! #physics

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anotherkitten

function u(t) {

for(c.width|=i=0;i<108;i++)
for(j=0;j<108;j++)
if((t+Math.hypot(i,j))%2.1<1)
x.fillRect(i*10,j*10,10,10)

Jan 6 2019 8:29 PM UTC

}// 104/140

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very odd effect

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JWinslow23

remix of d/11663 by u/JWinslow23

function u(t) {

t||(p=0n,d=1n);for(y=9n;y*20n*p+y*y>d;y--);d=100n*(d-y*20n*p-y*y)+25n*BigInt(!p);throw 1.6+`${p=10n*p+y}`.slice(2)

Jan 6 2019 6:57 AM UTC

}// 114/140

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Throws the digits of phi (the "golden ratio") as an error, forever... (except it now actually fits even more than before in a dweet)

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DataMeta

remix of d/8910 by u/DataMeta

function u(t) {

for(i=192;i--;)j=C(t-i)*7*i,k=i*9,x.setTransform(k,0,0,k,960,540),
x.rotate(i/(2+t/99)),x.fillStyle=R(j*2,i,i-j,.8),x.fillRect(g=.01,g,.7,g)

Jan 5 2019 9:08 PM UTC

}// 140/140

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fullscreen recommended

u/joeytwiddle

hypnotic
u/joeytwiddle

#colors

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username

remix of d/11608 by u/rodrigo.siqueira

function u(t) {

c.width^=0
s=(t%3)**3
x.font="2in'"
for(Y=9;Y--;)for(X=Y+1;X--;)x.fillText('▲',865+(X*48-Y*24)*s,(Y-4)*46*s+600)

Jan 3 2019 6:14 PM UTC

}// 112/140

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seemless

u/katkip

???? it's the same as the original one
u/username

The "original one", suppose you mean d/10314, is not seemless because the font size is too small and thus there is a "cut" to the single triangle.
u/joeytwiddle

#seamless
u/katkip

Oh, I see.

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ellisk1

function u(t) {

r=t?r:Array(n=1250).fill(n);for(j=n;j-=2;x.fillRect(r[j]+=d*S(a=j%2**(t|0)+t+d),r[j-1]+=C(a)-2,w,w))x.fillStyle=R(w=j/n*200/t,d=3+(t>8)*t*t)

Jan 1 2019 9:48 PM UTC

}// 140/140

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Bonsai

u/katkip

finally something awesome
u/lionleaf

That's amazing! #bonsai #tree #organic #plant
u/DataMeta

Wow
u/hollo47

Impossible.

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katkip

function u(t) {

r=(X,Y,s)=>{if(s>2)x.beginPath(),x.arc(X,Y,s*2,0,7),x.stroke(),r(X-s*2,Y,s/2),r(X+s*2,Y,s/2)}
r(960,540,230)

Dec 31 2018 12:02 PM UTC

}// 108/140

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only 108 bytes #recursion #recusive #circle #arc #fractal

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JWinslow23

function u(t) {

X=Math.random;for(a=b=i=1;i<100;i++,r=X()*3|0,a=(a+r--)/2,b=(b+!!r)/2,x.fillStyle=R(X()*256,X()*256,X()*256))x.fillRect(a*956,b*1072,8,8)

Dec 31 2018 11:21 AM UTC

}// 137/140

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I squeezed in random coloring of coordinates, because it looks cool.

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katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭴⼽㈻昽⡘ⱙⱳ⤽㹻砮扥杩湐慴栨⤻楦⡳㸲〩砮慲挨堬夬猬〬㜩ⱸ⹳瑲潫攨⤬昨堫䌨猫琩⩳ⱙⱳ⼲⤬昨堭䌨猫琩⩳ⱙⱳ⼲⤬昨堬夫䌨猫琩⩳ⱳ⼲⤬昨堬夭䌨猫琩⩳ⱳ⼲⥽㭦⠹㘰ⰵ㐰ⰷ〰⤻`.replace(/u(..)/g,"$1%")))

Dec 30 2018 10:15 AM UTC

}// 135/140

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#circles #fractal #recursion #recursive I'm just like a gifted autistic kid who finally discovered recursion c.width^=0;t/=2;f=(X,Y,s)=>{x.beginPath();if(s>20)x.arc(X,Y,s,0,7),x.stroke(),f(X+C(s+t)*s,Y,s/2),f(X-C(s+t)*s,Y,s/2),f(X,Y+C(s+t)*s,s/2),f(X,Y-C(s+t)*s,s/2)};f(960,540,700)

dwitter.net | geb (18679)