Dweets awesomed by u/magna

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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magna

function u(t) {

c.width=240
with(x)font='6em"',fillText('👌',110,110),scale(-1,1),translate(-160,30),rotate(-1.57),fillText('☝️',-110,100+S(t*4)*10)

Jun 27 2018 2:57 PM UTC

}// 131/140

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NSFW #nsfw #sorry

u/micahcowan

#emoji
u/Agnes

You could use clipping to have the pointing hand disappear into the OK hand if you placed the clip rectangle just right. I don't know how you would save up the characters though, maybe by using a for loop to only have one fillText call (but that would also eat characters with all the ?: statements you'd have instead).
u/magna

Yeah, clipping would make it awesome! Let's see if this can be golfed down significantly to open up space for some clipping.
u/Agnes

I posted a clipping remix. You can do scaling, translation and rotation in a single call to setTransform.

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yokljo

function u(t) {

c.width|=0
x.font="900px A"
x.fillText("🏢",g=700,g)
x.font="90px A"
for(i=0;i<9;i++)n=(t+i)*90%350,x.fillText("🚹",g+n/2+i*17,1160-n)

Jun 27 2018 12:55 PM UTC

}// 132/140

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u/micahcowan

Damn! Worked on Chrome on my Android, but not Chrome on my Mac (weird). The building isn't visible. #emoji
u/joeytwiddle

256px is the highest you can go on Mac Chrome, 324px on Mac Firefox. To work around, scale down the canvas.
u/BirdsTweetCodersDweet

Works fine on Chrome on Linux

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Agnes

function u(t) {

with(x)for(scale(s=t?1:100,s),fillRect(0,0,Q=255,Q),i=9;i--;fillStyle=R(Q*=!!i,Q,Q,.02))fillRect(4+i+S(t)*3,4-T(T=Math.random),.5,2*(1+T()))

Jun 27 2018 8:40 AM UTC

}// 140/140

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Wonky spooky default

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magna

remix of d/8757 by u/micahcowan

function u(t) {

c.width|=D=C(r=3*S(t))
x.setTransform(1+9*D,U=S(r)*5,0,9+D,825-40*U,99*D)
for(i=9;--i;x.fillRect(-52.5+i*10,40,5,20))x.fillStyle=R(D<0&&255)

Jun 27 2018 5:38 AM UTC

}// 140/140

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Show more comments…
u/micahcowan

😍
u/micahcowan

Very useful shortcuts, I'll have to use them in future. ...I'm thinking like a C programmer - in the C standard the order in which arguments are evaluated is unspecified; apparently the ES standard strictly defines order-of eval to be the intuitive left-to-right order. Good to know!
u/micahcowan

Ha, it feels "wrong" to set fillStyle 9 times in a row. But a great way to eliminate that last little character!
u/micahcowan

#default
u/magna

When you're out of characters you can shave "legally", you have to start compromising and enter the "wrong" and/or "meh, it's just a good approximation" territory :)
u/magna

Like Math.PI * 2 === 7
u/micahcowan

Heh, totally. :D
u/pythech

hack to save 2 chars: x.fillStyle=R(-D*9e7)
u/pythech

I guess that's "meh" territory
u/magna

@pythech nice!

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magna

remix of d/8755 by u/magna

function u(t) {

T.valueOf=Math.random
x.fillStyle=`hsl(${t*9},40%,40%`
x.drawImage(c,0,0,w=2e3,w,0,0,w-8,w-8)
x.fillText(u,T*w,T*w)
x.filter='blur(9px'

Jun 27 2018 3:40 AM UTC

}// 136/140

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#plasma

u/magna

If you tilt your head sideways, it looks like rain on a misty alien planet.

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magna

function u(t) {

T.valueOf=Math.random
x.fillStyle=`hsl(${t},90%,90%`
x.fillText(u,T*2e3,T*1e3)
x.filter='blur(3px'
x.drawImage(c,10,0)

Jun 27 2018 3:16 AM UTC

}// 118/140

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firegodjr

remix of d/8752 by u/firegodjr

function u(t) {

with(x)for(fillRect(0,0,Y=2e3,Y),k=Y;k--;)arc(960,540,j=550-k/4|0,v=k%4*3.14/2+S(t*3+Y/j)+t,v+99/k),stroke(),beginPath(fillStyle="#fff1")

Jun 26 2018 7:39 PM UTC

}// 137/140

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u/magna

#metallic

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firegodjr

remix of d/8739 by u/firegodjr

function u(t) {

with(x)for(fillRect(0,0,Y=2e3,Y),k=Y;k--;)arc(960,540,j=550-k/4|0,v=k%4*3.14/2+S(t*3-Y/j)+C(t),v+99/k),stroke(),beginPath(fillStyle="#fff1")

Jun 26 2018 7:37 PM UTC

}// 140/140

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u/rep_movsd

Cybernetic rose
u/rep_movsd

#underrated

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micahcowan

remix of d/8742 by u/micahcowan

function u(t) {

with(x)c.width=99,[6,7,9].map(u=>{F=(v,m)=>(Math.abs(m-(t*u*v)%(2*m))),beginPath(),arc(F(10,96),F(12,56),3,0,7),fillStyle=R(u**2.5),fill()})

Jun 26 2018 7:25 PM UTC

}// 140/140

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Color, more #ball s, and tiny canvas ^_^

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magna

remix of d/8740 by u/magna

function u(t) {

with(x)for(i=fillRect(0,0,c.width=w=255,w)|99;i--;fill(arc((t*b+i)*i+w&w,99+b,5+b/5,!beginPath(),7)))b=i&1?1:-1,fillStyle=R(w,b*w,b*w*.8,.2)

Jun 26 2018 12:21 PM UTC

}// 140/140

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Highway at Night - yellow headlight edition with westbound traffic bugfix

u/magna

#bokeh #traffic
u/magna

i&1?1:-1 can be i&1||-1

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