Dweets awesomed by u/django

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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katkip

function u(t) {

f=frame;for(i=-108;i++<108;)x.fillStyle=`hsl(${(C(f/19)*f/2%i+C(i*f)*9)*3} 99%50%)`,x.fillRect(f*5,i*5+540,5,5)

Apr 23 2019 10:51 AM UTC

}// 111/140

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#scanline

u/Xen

nice

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robbyg

remix of d/13250 by u/robbyg

function u(t) {

for(c.width|=y=27;x.fillStyle=['#47a','#ec2','#d66'][--y%3];)for(i=450;i--;)x.fillRect(z=680+i+y+C(y/4-4*t)*200,100+y*33+S(z/12-6*t)*18,6,7)

Apr 16 2019 9:03 PM UTC

}// 140/140

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Publishing the version with help from u/pavel and u/joeytwiddle because it's pretty great.

u/robbyg

#beesandbombs

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django

function u(t) {

s=i=>i+1;a=1920,c.width=a;for(i=0;i<a;)y=.5,p=C(3*(t+i)),x.fillRect(y*a*s(S(t-i)),540*(S(t+i)*S(t*i*1e-3)*s(p)/4+s(y*(S(i++)-p))),10,10)

Mar 1 2019 4:33 AM UTC

}// 136/140

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coherence

u/gerzytet

welcome to Dwitter

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zanella

remix of d/12556 by u/Ath0r

function u(t) {

c.width|=0
f=(i,j)=>{x.beginPath(),x.lineWidth=j,x.ellipse(960,560,...i),x.stroke()}
f([r=300,r,0,0,7],9)
f([780,99,9+t,1.945,1.195],35)

Feb 28 2019 10:16 PM UTC

}// 136/140

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u/donbright

wheeeeeeee

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New_Core

remix of d/8639 by u/pythech

function u(t) {

with(x)for(i=9*t,translate(c.height=1e3,500);i-->0;fill())beginPath(fillStyle=`hsl(${i},99%,50%`),arc(5*i,0,20*C(i*.9)+30,!rotate(-3.88),9)

Jun 21 2018 11:49 AM UTC

}// 139/140

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I did also play around with this.. =) I also did a shorter version where I used sin and cos directly on arc x,y instead of using rotate and translate... (didnt get exact same form so I let you guys try that on your own)

u/pythech

Funny how I came up with almost exactly same code d/8677 :D I like yours better though as it's better centered. I first thought the asymmetry made it more stylish but now I regret that choice

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jczimm

function u(t) {

c.width=1920;
for(i=0;i<300;i++)for(j=0;j<6;j++){x.fillRect(960+200*C(i)*S(T(t/1.1)+j/i),540+200*S(i),10,10)}

Feb 22 2017 5:23 PM UTC

}// 109/140

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Show more comments…
u/sigveseb

Very stylish!
u/ninerdelta

nice!
u/Kalanchoe

truly a compact loading spinner!
u/jczimm

Thanks!
u/serko

Any way to view this fullscreen on an iPhone?
u/tischler

Awesome. Negating t makes it more aerodynamic. =)
u/Valscor

This is so cool!
u/over

This would be an amazing loading animation !
u/katkip

This is so easy to make and it has 297 likes
u/Leodude123

ねあt
u/Leodude123

Neat!
u/Scaledish

Could I use this as a animation for my site?
u/jczimm

Yes! Consider it CC0-licensed

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