Dweets awesomed 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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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rodrigo.siqueira

function u(t) {

for(i=1e4*(t<5);i--;x.fillRect(960+260*a,540+260*b,.1,1))
S(r=i*t)>0?(a=S(r*i)*3,b=C(r*t)*2):b=C(a)-(a=S(-b)/2+a/2)/4
x.fillStyle=R(99)

Apr 2 2020 6:39 PM UTC

}// 135/140

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Dove on canvas

u/joeytwiddle

Cool non-uniform effect #bird #chaos #stochastic

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katkip

function u(t) {

c.width=185;x.font='2em"';x.fillText([`♪┏1┛♪`,`♪┗1┓♪`][(t%2)|0].split(1).join([`(･ o ･)`,`(･ - ･)`][(2*t%2)|0]),3,60)

Apr 2 2020 12:13 PM UTC

}// 117/140

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#dancing #text ┏(・o・)┛

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BriSeven

function u(t) {

c.width*=1
for(i=0,h=0,b=400;i<9;i++,h=i/4)
x.fillRect(940+S(t+h)*b,C(t+h)*40+b+S(t*20+h)*20,C(t+h)*50,(-C(t+h)+1)*100+100)

Apr 2 2020 12:12 PM UTC

}// 123/140

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conga #default #dance

u/katkip

awesome! good idea
u/sigveseb

Sweet!

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Kirjava

function u(t) {

eval(unescape(escape`𭁼𯀨𬰽𦰮𛠮𘠠𜐳𡁜𫡆𞀲𠱜𫡅𠐵𝁜𫠶𞑂𝰢𧐬𥀽𜀩𛁯𫡫𩑹𭑰👮🐾𚁑👳𦱶👔𚱛𛐱𛀵𛀱𛀭𝑝𦰳𙡮𛡷𪁩𨱨𧑝𚐾𘠰𘠿𬱛𬱛𥁝👑𛁔👶𧐽𘠠𘠺𜀬𩀽𩁯𨱵𫑥𫡴𛡢𫱤𮐬𩀮𪑮𫡥𬡈𥁍𣀽𘠼𬁲𩐾𘠫𬰮𪡯𪑮𨁠𛁤𛡳𭁹𫁥𛡦𫱮𭁓𪑺𩐽𙰵𩑭𙰻`.replace(/u../g,'')))

Apr 2 2020 9:23 AM UTC

}// 132/140

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15 puzzle #game #interactive

u/Kirjava

control with IJKL
u/katkip

Works on light theme

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Xen

remix of d/18108 by u/Xen

function u(t) {

for(i=38;i--;x.stroke())x.beginPath(),x.strokeStyle=`hsl(${t*59},${t}%,50%)`,
x.arc(1e3+C(i*7+t/59)*t**2.1,500+S(i*2)*t**2,500-t*t*.7,0,9)

Apr 1 2020 4:11 PM UTC

}// 138/140

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R&om 2 #waitforit

u/Xen

#rainbow #spikes #d3

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁺🐱𩐴𛁺𚐬𪐽𜠰𞱩𛐭𞰩𩡯𬠨𪠽𬠽𚁩𚠱𞐭𪐪𪐫𞐩𚠪𛠵𚠴𯀰𞱪𛐭𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𚁪🡲𛰲🱔🐹𞐺𜐲𚐪𬠪𠰨𨐪🐶𛱲𚐬𪐪𝐰𛁔𚡓𚁡𚐬𝐰𚐩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𭠽𪐿𜐴𜀭𠰨𤰨𪐩𚡔𚠨𚁡👪𚱴𙐱𚐯𮠫𥀩𚠪𜠩𚡔𞠰𛁶𚡩𛰹𛁶𚐻`.replace(/u../g,'')))

Apr 1 2020 3:25 PM UTC

}// 140/140

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#Disco #Dancing

u/tomxor

nooice
u/sigveseb

Oh damn this looks great

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xem

function u(t) {

c.width=40;for(i of["pixelated","crisp-edges"])c.style.imageRendering=i;x.font="16px a";x.fillText(String.fromCodePoint(127744+t*5|0),0,16)

Mar 27 2020 4:42 PM UTC

}// 139/140

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Experiment: show every emoxi as a 16*16px sprite with crisp edges (Fixed for Fx & Chrome)

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pavel

function u(t) {

for(i=c.width|=0;j=--i>>5;x.fillRect(960*(z+S(j*j)+r*C(i))/z,3e3*(.2+m*(m<0&&-1)**i)/z,s=--m*9/z,s))m=(t+j/7)%2-1,r=m>0&&m/3,z=2+S(j)+r*S(i)

Mar 25 2020 8:28 AM UTC

}// 140/140

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Reflections on #rain

u/katkip

beautiful
u/aleamb

amazing
u/vain

amazing rain drop fx

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BriSeven

remix of d/17751 by u/BriSeven

function u(t) {

document.body.innerHTML=`<svg><path d="M24 8c-2-2.2-6-2-8.2.2l-.4.4-.4-.4C13 6 9 6 7 8c-2 2-2.1 5.9.2 8l8 8 8.4-8.4c2-2 2-6 .2-8z"/>`

Mar 25 2020 3:39 AM UTC

}// 133/140

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SVG Path Tester type two

u/pavel

x.fill(new Path2D("M24 8c-2-2.2-6-2-8.2.2l-.4.4-.4-.4C13 6 9 6 7 8c-2 2-2.1 5.9.2 8l8 8 8.4-8.4c2-2 2-6 .2-8z"))

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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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