Dweets by u/BriSeven

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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BriSeven

function u(t) {

c.width*=1 // clear the canvas
f=(s,...a)=>{for(n in x)n.match(s)&&x[n](...a)}
for(i=0;i<9;i++)f('lRe',400+i*100+S(t)*300,400,50,200);

Mar 24 2020 1:53 AM UTC

}// 136/140

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An unfruitful experiment in compressed canvas method calls.

Show more comments…
u/pavel

How about something like i=0;for(m in x)u[i++]=m;x[u[34]](512,512,512,512) Shortens every call to six chars at the cost of 24... Maybe shorter if you call globalCompositeOperation and some shadow methods too hah.
u/pavel

Or how about this f=(n,a)=>{for(m in x)--n||x[m](...a)};f(35,[512,512,512,512]) 37 chars to reduce every name to one or two chars.
u/pavel

Three or four chars**
u/pavel

aw, actually none of these work for stuff like globalCompositeOperation as they are not methods.
u/BriSeven

Good one, I was also thinking about the possibilities of something like an.. uhh, a tiny bytecode interpreter? take a string and convert it to function calls and parameters somehow.
u/pavel

i=t&&u;for(m in x)x[i++]=x[m];x[34](512,512,512,512) costs 29 to make calls 3 each.
u/pavel

Lastly, can do something niche like for(m in x)x[m[4]]=x[m];x.R(512,512,512,512) that costs 23 and shortens to 1 char but a subset of all calls.
u/BriSeven

wow are these established techniques or did you just think of those now?
u/pavel

i made them up just now but they are simple remixes
u/yonatan

for(p in x)this[p[0]+p[6]]=p sets up shortcuts on this so you can do x[gC] instead of x.globalCompositeOperation (from d/10842)

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BriSeven

remix of d/17965 by u/BriSeven

function u(t) {

c.width*=1
for(d=i=t|0;i--;x.setTransform(C(a=6*i/d+t)*48,0,0,S(a)*4+48,960,0))x.fillStyle='#A762',x.fillText(i/d%6.28>0.05?'J':'Jo',-1,15)

Mar 18 2020 3:41 PM UTC

}// 139/140

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A nice cuppa Jo #glass

u/Cloud

Cap?
u/BriSeven

uccino
u/CalSch

This is genius!!

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BriSeven

remix of d/17963 by u/BriSeven

function u(t) {

c.width*=1
for(d=i=t|0;i--;)with(x)save(),translate(960,0),scale(C(a=6*i/d+t)*48,S(a)*2+48),fillStyle='#88A2',fillText('t',-3,15),restore()

Mar 16 2020 1:56 PM UTC

}// 139/140

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cup of t? #glass

u/sigveseb

Now that's cool
u/tomxor

Hehe, cheeky
u/pavel

Nice! (Check out setTransform to shorten this a bunch)
u/BriSeven

thanks for the tipo pavel

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BriSeven

function u(t) {

c.width*=1
for(d=i=t|0;i--;)with(x)save(),translate(960,0),scale(C(a=6*i/d+t)*48,S(a)*2+48),fillStyle='#88A2',fillText('y',-2.5,9),restore()

Mar 16 2020 8:53 AM UTC

}// 140/140

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#glass -y lathe

u/13thptr

great idea

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BriSeven

remix of d/17920 by u/BriSeven

function u(t) {

s=255,S=64;d=5e2/S
for(i=0;i<S;i++)for(j=0;j<S;j++)c=C(i/d/2)*C(j/d+C(j/5+t)),x.fillStyle=R(b=-(c*S+6)*s,-b,-b),x.fillRect(i*d,j*d,d,d)

Mar 13 2020 1:33 AM UTC

}// 135/140

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lava lamp behind the scenes.

u/BriSeven

from here you can modify i*d and j*d to make whatever bulb shape you want.

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BriSeven

function u(t) {

eval(unescape(escape`挮睩摴株㴱ⱳ㴲㔵ⱓ㴴〻景爨椽〻椼医椫⬩景爨樽〻樼医樫⬩挽䌨椯ㄱ⭃⡴⼷⤩⩃⡪⼵⭃⠨樭琩⼵⭴⤩ⱸ⹦楬汓瑹汥㵒⠳〪椬猭挪猬猭挪猩ⱸ⹦楬汒散琨⵩⨨㌪䌨樯㐫㌩⬴⤫䌨樯㐫㌩⨶〫ㅥ㌬横匫猬匬匩`.replace(/u(..)/g,"$1%")))

Mar 12 2020 6:28 AM UTC

}// 137/140

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lava lamp #glass

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BriSeven

remix of d/2351 by u/nonce

function u(t) {

c.width=600
x.font='9em a'
x.fillText(['🥃','🥛','🍷','🍸','🍹','🍺'][(_=~~(t/2))%6],620-(t*512&1023),250)
c.style.filter=`hue-rotate(${_*10}deg`

Mar 11 2020 5:54 AM UTC

}// 139/140

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#glass

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BriSeven

remix of d/17897 by u/BriSeven

function u(t) {

x.save()
x.font='30cm A'
x.translate(A=1e3,A/2)
x.rotate(t*999)
x.fillText(t|0,0,A*S(t))
x.fillStyle="#AAF4"
x.fillRect(0,0,A,A)
x.restore()

Mar 11 2020 4:40 AM UTC

}// 140/140

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Variation B

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BriSeven

remix of d/17896 by u/BriSeven

function u(t) {

x.save()
x.font='9cm A'
x.translate(A=1e3,A/2)
x.rotate(t*t)
x.fillText(t|0,0,99*S(t))
x.fillStyle="#FAA4"
x.fillRect(0,0,A,A)
x.restore()

Mar 11 2020 4:19 AM UTC

}// 138/140

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Variation A

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BriSeven

remix of d/17895 by u/BriSeven

function u(t) {

x.save()
x.font='9cm a'
x.translate(960,540)
x.rotate(t*t|0)
x.fillText(t|0,-85,120)
x.fillStyle="#AFA4"
x.fillRect(0,0,2e3,2e3)
x.restore()

Mar 11 2020 4:06 AM UTC

}// 140/140

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The curious mandala

u/rep_movsd

#underrated

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