New #Default dweets

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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joeytwiddle

function u(t) {

c.width=1920
for(i=0;i<5;i++)x.fillRect(500+i*200,300,50,200)
x.strokeRect(900,700,50,200)

Jul 25 2018 3:06 AM UTC

}// 90/140

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Sorry I couldn't resist #default #meme

u/Xen

:-D
u/katkip

#sorry xd
u/joeytwiddle

Needs x.lineWidth=8

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metaphornado

function u(t) {

c.width=1920;
for(i=0;i<90;i+=1){
r=i*180/Math.PI
x.fillStyle=R(255*C(r),255*T(r),255*S(r))
x.fillRect(i*55,400+i*5*C(t*i+5),50,200)
}

Jul 19 2018 4:07 PM UTC

}// 134/140

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u/micahcowan

#default

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amator

function u(t) {

for(c.width|=i=11;i--;) {
x.strokeRect(25+i*(k=100)+(d=S(t)*360+360),400,k,320)
i%7&&(i+4)%7?x.fillRect(i*k+d,400,k/2,200):0
}

Jul 18 2018 3:37 PM UTC

}// 126/140

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u/iverjo

#piano
u/micahcowan

#default

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sinny

function u(t) {

c.width=1920 // clear the canvas
x.fillStyle="#FF0000"
for(i=0;i<9;i++) {
x.fillRect(400+i*100+S(t)*300,400,50,200)
}

Jul 14 2018 8:57 AM UTC

}// 117/140

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magna

function u(t) {

c.height=c.width
x.font='7em"'
x.fillText('🦄',0,1080+99)
for(i=9;i--;)x.drawImage(c,i*9+S(t)*25,1080,27,99,400+i*100+S(t)*300,400,50,200)

Jul 2 2018 4:46 AM UTC

}// 138/140

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#default

u/Xen

nice!
u/Qwitter

#unicodecorn

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micahcowan

function u(t) {

c.width|=0
for(i=10;--i;)h=1+i+Math.abs(1-t%2)*6,m=d=>(h/d%2*128),x.fillStyle=R(m(4),m(2),m(1)),x.fillRect(h*100,400-100*S(h),50,200);

Jun 30 2018 5:00 AM UTC

}// 134/140

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Multi-color inchworm #default

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Xen

function u(t) {

for(i=9;i--;x.strokeStyle=`hsl(${t*i*t},99%,40%)`)x.strokeRect(400+i*99+S(t)*300,400,50,200)
x.drawImage(c,C(t/4),S(t/4))

Jun 27 2018 7:18 PM UTC

}// 121/140

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#default

u/DataMeta

Totally cool

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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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micahcowan

function u(t) {

c.width=1920
r=3.2*S(t)
D=C(r),U=S(r)
x.setTransform(1+9*D,U*5,0,9+D,825+200*-U,100*(D-1))
for(i=9;--i;)x.fillRect(-52.5+i*10,40,5,20)

Jun 27 2018 5:25 AM UTC

}// 134/140

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#default

u/micahcowan

I really like the way it looks if I add x.fillStyle=R((D<0)*255) after the 3rd line. But I don't think I'm up to the challenge of fitting that in.
u/magna

Here you go: d/8758

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