Hot dweets 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: #Opposites

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magna

function u(t) {

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

Jun 26 2018 3:22 AM UTC

}// 140/140

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Highway at night #bokeh

u/lionleaf

I like it! #traffic
u/magna

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

absolutely beautiful, magna
u/joeytwiddle

Love it. Reminds me of Mercury - The Timeless. Would be great to get some z-axis going.
u/magna

Thanks folks!

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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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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/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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magna

function u(t) {

c.width|=0
for(i=9;i--;x.fillRect(400+i*100+S(t)*300,400,50,200))
o=S(t+i),v=C(t+i),w=S(t)**7/2,x.setTransform(1+o*w,0,o*v*w,1-(v-o)*w,0,0)

Jun 26 2018 5:38 AM UTC

}// 139/140

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Fixed issue with reassigning u

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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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magna

remix of d/8686 by u/aemkei

function u(t) {

x.font=a="3em' "
x.fillText("ᴀscii",C=0,40)
d=x.getImageData(t*3,Y=t*120%82,2,D=3).data
for(;D<19;)C+=!d[D+=4]
x.fillText(a[C],t*54,Y*22)

Jun 22 2018 12:36 PM UTC

}// 137/140

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u/aemkei

Very clever! I like that assignment/reuse.
u/aemkei

Could be 128 bytes: x.fillText(a=x.font="3em' ",C=0,40);for(d=x.getImageData(t*3,Y=t*120%82,2,D=3).data;D<19;)C+=!d[D+=4];x.fillText(a[C],t*54,Y*22)

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magna

remix of d/8686 by u/aemkei

function u(t) {

x.font="3em'"
x.fillText(a="ᴀsci ",C=0,40)
d=x.getImageData(t*3,Y=t*120%82,2,D=3).data
for(;D<19;)C+=!d[D+=4]
x.fillText(a[C],t*54,Y*22)

Jun 22 2018 12:32 PM UTC

}// 136/140

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Ignore the typo

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magna

remix of d/8658 by u/Xen

function u(t) {

for(i=44;i--;x.fillStyle=R(S(i+t)*i,C(t-i)*i,C(i+t)*i))x.fillRect(i*i+S(t-i)*i,0,22,100)
x.drawImage(c,0,0,2e3,1e3,T(T(T(T(t)))),80,2e3,1e3)

Jun 20 2018 3:54 AM UTC

}// 140/140

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TTTTTT :D :D :D

u/firegodjr

Man, this actually feels like a fever dream
u/magna

#glitch

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