Random dweets | Dwitter

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: #Food

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f8f82804

remix of d/9674 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;x.beginPath(x.fill()))C(a=t-i)>0&&x.ellipse(X=S(a)*(960**2-i*i)**.5,i,24*C(a)*(1-(i/960)**2)**.5,24,Math.atan(i/X),0,7)

Sep 5 2018 8:33 PM UTC

}// 140/140

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using ellipse() and lots of trig to draw dots on the surface of a #sphere

u/f8f82804

it takes 154 to center the sphere: for(i=c.width^=0;i--;x.beginPath(x.fill()))C(a=t-i)>0&&x.ellipse(960+(X=(i*960-i*i)**.5*S(a)),60+i,9*C(a)*(1-((b=i-480)/480)**2)**.5,9,Math.atan(b/X),0,7)
u/f8f82804

#d3

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RyanFelton

function u(t) {

c.width=2e3;
  for(i=0;i++<4600;){k=i%200;j=i/200;h=S(t+i/9);x.beginPath();x.arc(-250+20*k,1200+200*h-50*j,40-h*20,1,0);x.stroke();}

Jan 1 2018 10:48 PM UTC

}// 132/140

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Xen

remix of d/21065 by u/Xen

function u(t) {

t?z>99?(i+=e,e=4,f+=z=1):x.fillText(f%(z*=4)==z/2?e=1:0,g+=C(y=89/85*i),h-=S(y)):e=z=h=f=i=g=134

Dec 15 2022 12:11 AM UTC

}// 96/140

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tad more golf

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username

remix of d/9207 by u/MrM@_S

function u(t) {

eval(unescape(escape`搽挮睩摴栽楮湥牗楤瑨㭷楴栨砩晩汬却祬攽刨⤬晩汬剥捴⡥㵤⼳Ɽ⼶ⱥⱤ⼴⤬晩汬却祬攽✣摦攧ⱦ潮琽搯㤫❰砠稧ⱦ楬汔數琨吿❏✺❘✬搯㈮㈬攩㭯湭潵獥浯癥㴨筸ⱹ紩㴾吽砼敼砾搯ㄮ㕼礼搯㙼社搯㈮㐻`.replace(/u(..)/g,"$1%")))

Aug 27 2018 9:11 PM UTC

}// 137/140

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Tap the rectangle :) Also, thanks to @yonatan and @BalintCsala

u/katkip

Works only 1 time
u/username

@katkip No, it works indefinitely. If you are not using a cursor, you will need to tap out to get the circle again, which is wanted behavior.
u/username

Uncompressed: d=c.width=innerWidth;with(x)fillStyle=R(),fillRect(e=d/3,d/6,e,d/4),fillStyle='#dfe',font=d/9+'px z',fillText(T?'O':'X',d/2.2,e);onmousemove=({x,y})=>T=x<e|x>d/1.5|y<d/6|y>d/2.4;
u/username

d=c.width=innerWidth;with(x)fillStyle=R(),fillRect(e=d/3,d/6,e,d/4),fillStyle='#dfe',font=d/9+'px z',fillText(T?'O':'X',d/2.2,e);onmousemove=({x,y})=>T=x<e|x>d/1.5|y<d/6|y>d/2.4;
u/username

d=c.width=innerWidth;with(x)fillStyle=R(),fillRect(e=d/3,d/6,e,d/4),fillStyle='#dfe',font=d/9+'px z',fillText(T?'O':'X',d/2.2,e);onclick=({x,y})=>T=x<e|x>d/1.5|y<d/6|y>d/2.4 173, only 33 to go

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭌿󭌽󭌪󝬰󯌰󞭸󛭴󬭡󫭳󫍡󭍥󚌹󝬰󛌵󝌰󚜊󮌮󩭯󫭴󟜧󛬹󪝮󘬧󒭴󟌳󝬦󙭸󛭦󪝬󫍔󩝸󭌨󤽴󬭩󫭧󛭦󬭯󫝃󫽤󩝐󫽩󫭴󚌷󝼸󜬴󚽴󚭴󙜳󜌵󚜬󝌬󛜴󜜰󚜊󩭯󬬨󪜽󞜹󞽩󛜭󞽸󛭲󫽴󨝴󩜨󛬰󜌱󝼶󜼩󚝸󛭦󪝬󫍒󩝣󭌨󦌽󦼮󝬬󛜱󛌲󛌴󛌵󛌵󛬲󧝛󭌯󜼶󯌰󧜪󞜹󛌰󛍩󟼲󞬭󜜲󜌬󜼩`.replace(/u../g,'')))

Jan 10 2023 3:31 AM UTC

}// 140/140

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Alethiometer 🧭

u/sudothei

Are these the decans? 😳
u/neimad

love it

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rodrigo.siqueira

remix of d/17508 by u/rodrigo.siqueira

function u(t) {

for(a=b=i=1e4*(t<4);i--;x.fillRect(999*a,999*b,.4,1))
S(r=i*t)>0?(a=C(i/6e3)+S(t/20)):b=C(a)+(a+=S(b+S(b))*.9+C(a*2))/9,x.fillStyle=R(i/59)

Feb 15 2020 9:06 PM UTC

}// 139/140

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Neuroglial dendrites with spiral nucleus

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KilledByAPixel

remix of d/28008 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󭼽󨼮󭽩󩍴󪌦󟝩󟜱󜌳󝬸󞽩󛜭󞽸󛭦󪝬󫍓󭍹󫍥󟝒󚍺󟜨󩬪󜼫󝌭󤼨󦬪󦌪󝜦󮬪󞝼󮜪󞜩󚜪󜼰󛽚󛍺󛍺󛼲󚜬󮌮󩭩󫍬󤭥󨽴󚍩󙝷󛍩󟬾󝼬󜜬󜜩󚝦󫽲󚍚󟜰󛍙󟝩󛼵󩜳󛜱󛍘󟝩󙝷󛼳󜬭󜬻󚍚󚭘󚼮󝜦󚍺󟝚󚽴󚬳󚜩󙜷󟌲󙬦󚍦󟜨󮜽󦬪󚍙󚽓󚍴󚬹󚜯󜼰󚜩󚬪󜬼󜜩󞽚󚼽󛬱󚜻`.replace(/u../g,'')))

Jun 20 2023 5:07 PM UTC

}// 140/140

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The Backrooms 🚪

u/tomxor

Oooh very nice!
u/Joachim

Looks amazing!! #scary #dramatic
u/Xen

oooosh thats the stuff!!
u/aleamb

wow!!
u/cantelope

the gun needs more opacity

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skeletonNatte

function u(t) {

r=()=>Math.random()
if(t<1)X=Y=0
x.fillRect(960+X,540+Y,10,10)
s=r()<.5?-10:10
if(r()<.5)X+=s
else Y+=s

Mar 3 2025 3:45 PM UTC

}// 103/140

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Random Walk

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taupelink

remix of d/25315 by u/taupelink

function u(t) {

for(m=t?0:2e4;m-->2e3;x.fillRect(m%20*96+12*X,540*Y,q,i))i=m%361+20,X=4+4*S(m),Y=1+S(m*m),x.fillStyle=R(q=C(Y+m)**2*i,q/Y,m/X/i,i/X/m)

Apr 12 2022 11:33 AM UTC

}// 134/140

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d/25320

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MrM@_S

remix of d/2777 by u/nystrand

function u(t) {

with(x)for(q=t?5e3:translate(1e3,b=540),i=b*t%q;i>0;fillRect(c=i%5-q/3,c,T(t+i%t&b)*b+q,q),q=.2)fillStyle=R(a=i--/9+q,rotate(b*t^i),a%b,.1)

May 26 2017 1:41 PM UTC

}// 139/140

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Into the vortex

u/donbright

this is so cool, like some kind of inverse star in a pink universe