Dwitter - javascript demos in 140 characters

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: #Food

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tomxor

remix of d/15756 by u/KilledByAPixel

function u(t) {

t%7|!u?0:u=O+=String.fromCharCode(u);u|=(1&'􉬭󤗘􇔴󹩨􇷒󛻭󭅪𞻯򃆚񼵩󗡴󡑠񫆥򥗋񺺊򊅊񃐘񨰵󑥚񷃕󖆒𺪞𤧞󶜴󩩓󷧙󾖁񍍧򚎴󄺊󀐾򂪹󥅠𒚳󮇋񞚅󩉪򸫴󸢩𑐀'.charCodeAt(t/10)>>t%10)<<t++%7;throw O}{O=''

Sep 21 2019 2:17 PM UTC

}// 130/140

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Saved 9 more... although it decodes at 1 bit per second !!

u/tomxor

Decoder now = 90 chars, leaving 50*20/7 = 142 chars of content yay! +2 chars
u/tomxor

To break even with 184 chars, 184*7/20 = 67 20bit chars, leaving 73 for decoder, not sure this is possible :/
u/tomxor

... I guess 1bit/s is just not good enough for the internet of the 21st century XD

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robbyg

remix of d/15743 by u/katkip

function u(t) {

c.width|=0
for(Y=13;Y--;)for(X=12;X--;)x.fill(new Path2D(`M${X*180-40} ${Y*90-30+S(X*C(t)+Y*S(t))*3}l90,45,l-90,45l-90-45z`))

Sep 20 2019 2:01 PM UTC

}// 125/140

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Unpacked and simplified (for better or worse)

u/robbyg

#path2d
u/katkip

good idea

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Kwantoem

function u(t) {

c.width = 1920
for(i=20;i--;)
for(w=9;w--;)
for(h=8;h--;)
x.fillRect(120+i+w*200+S(t/w+S(i+t*2))*50,120-w+h*120+C(t/h+C(i-h*5))*40, 10, 10)

Sep 19 2019 1:59 PM UTC

}// 139/140

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First Dweet

u/yoginth

yo

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KilledByAPixel

remix of d/15747 by u/KilledByAPixel

function u(t) {

for(I=O='';q='􉬭󤗘􇔴󹩨􇷒󛻭󭅪𞻯򃆚񼵩󗡴󡑠񫆥򥗋񺺊򊅊񃐘񨰵󑥚񷃕󖆒𺪞𤧞󶜴󩩓󷧙󾖁񍍧򚎴󄺊󀐾򂪹󥅠𒚳󮇋񞚅󩉪򸫴󸢩𑐀'.charCodeAt(I/10)>>I%10;I%7+!u?0:u=O+=String.fromCharCode(u))u|=(1&q)<<I++%7;eval(O)

Sep 20 2019 10:40 PM UTC

}// 139/140

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Saved another 7 chars (I think) from the uncompressor!

u/tomxor

Oh neat, 8 i think, I thought of moving _ directly into it's reference, but combining it with the condition is way better.
u/tomxor

This has also past the threshold at which d/9207 stops reducing (even when moving _ back into a reference.)
u/KilledByAPixel

I think it might be possible if the data was packed tighter, maybe we can do better then 7 bits per char
u/tomxor

yeah i've been secretly thinking this but haven't come up with anything particularly amazing yet... you only actually need 6.75 bits if you ommit the lower 32 control chars including space and tab, but it's too messy to mix in the combinations from other chars, probably need to lose some useful chars too.
u/tomxor

I meant tab and newline not space, both of which are pretty useless for dweets.

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katkip

function u(t) {

with(x)t&&t<1?(fillStyle=`hsl(${250-t*80} 89%70%)`,fillRect(0,0,200-t*30,300),rotate(1.048),drawImage(c,0,0,590,360)):translate(960,540)

Sep 19 2019 3:56 PM UTC

}// 136/140

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Snowflake #snow #winter #fractal #drawimage thx for u/yonatan for golfing

u/mildlybean

Cool! btw, hsl(${250-t*80} 89%70% is 1 byte smaller
u/joeytwiddle

hsl(${250-t*80} 89% 70% works in Safari, for +0

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rodrigo.siqueira

remix of d/15732 by u/KilledByAPixel

function u(t) {

for(j=15;j--;)for(Z=i=96;i--;x.fillStyle=`hsl(${i-t*99} 60%${j*3+Y/11}%`,x.fillRect(X,Y,9*j*S(t),35))X=i*20,Y=T(X+t)*600

Sep 19 2019 10:26 PM UTC

}// 120/140

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Raining Rainbow

u/KilledByAPixel

👍

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kkingsbe

function u(t) {

with(x)for(q=j=64;j--;fillStyle=R(q,j*3,q-i*q),fill(stroke()))for(beginPath(i=5);i--;)arc(960+S(m=i*11+t)*400,340+C(m)*200+j*5,(j&64)*q,0,7)

Sep 20 2019 2:16 PM UTC

}// 140/140

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Another remix

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kkingsbe

function u(t) {

with(x)for(q=j=65;j--;fillStyle=R(q,j*3,q-i*q),fill(stroke()))for(beginPath(i=5);i--;)arc(960+S(m=i*+t)*400,340+C(m)*200+j*5,(j&64)*q,0,7)

Sep 20 2019 2:15 PM UTC

}// 138/140

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woah

u/katkip

you can remix projects, don't need to copy them

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taupelink

remix of d/15498 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z,e*z,h=f/(1+f),h))[d,e,f]=[(r=8+Math.random(z=92)*z|0)/5+(r%5/8+f)*C(d-f),r%11+(f+9/r)*C(d/2+f+r),r%2+1/f]

Sep 22 2019 3:12 AM UTC

}// 140/140

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d/15772

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taupelink

remix of d/15591 by u/taupelink

function u(t) {

for(i=d=e=f=g=1e3;i--;x.fillRect(d*z,e*z,f,g))[d,e,f,g]=[(r=Math.random(z=99)*60|0)/3+g*C(f)/(q=f%g+S(e%g)),q+r%11+q*S(f),1+r/z+g,q+.01/f]

Sep 22 2019 2:59 AM UTC

}// 138/140

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Kind of a 3-D effect