Dweets awesomed by u/pythech

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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pythech

remix of d/8671 by u/pythech

function u(t) {

with(x)for(i=7;i--;fillStyle=i?k?R():'#fff':'#fff1',fill())beginPath(k=i%2),arc(420+S(z=i+t)*k*770+500*(i-1>>1),500+90*C(z)*k,i?200:9e9,0,9)

Jun 20 2018 5:58 PM UTC

}// 140/140

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added trailing. Thanks u/zanella for the idea

u/Xen

nice style
u/DataMeta

great tweak to a neat idea

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BalintCsala

function u(t) {

c.width=300
with(x)for(translate(150,90),i=10*t;i-->0;fill())beginPath(fillStyle=`hsl(${i},99%,50%`),arc(i,0,4*C(i*.9)+6,0,9),rotate(-3.88)

Jun 20 2018 5:17 PM UTC

}// 139/140

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u/joeytwiddle

Lower res higher frames :)
u/Xen

love it
u/pythech

no credits given, rude :(

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pythech

remix of d/8669 by u/pythech

function u(t) {

c.width|=0
with(x)for(i=6;i--;fill(),fillStyle=k?'#fff':R())beginPath(k=i%2),arc(420+S(z=i+18*C(t))*k*50+500*(i>>1),500+50*C(z)*k,200,0,9)

Jun 20 2018 5:01 PM UTC

}// 138/140

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pythech

remix of d/8669 by u/pythech

function u(t) {

c.width|=0
with(x)for(i=6;i--;fill(),fillStyle=k?'#fff':R())beginPath(k=i%2),arc(420+S(z=i+t)*k*770+500*(i>>1),500+90*C(z)*k,200,0,9)

Jun 20 2018 4:56 PM UTC

}// 133/140

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u/joeytwiddle

Mind-twister! :D #opticallillusion

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pythech

function u(t) {

c.width|=0
with(x)for(i=6;i--;fill(),fillStyle=k?'#fff':R())beginPath(k=i%2),arc(420+S(z=1.2**t+i+t)*k*50+500*(i>>1),500+50*C(z)*k,200,0,9)

Jun 20 2018 4:54 PM UTC

}// 139/140

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firegodjr

remix of d/8393 by u/firegodjr

function u(t) {

with(x)for(c.width|=i=1e3;i--;beginPath())fillStyle='hsla('+i+',99%,50%,10%',x.arc(S(t+i/50)*i+960,C(t*2+i/50)*i+540,i/9+2,0,7),fill()

Jun 20 2018 4:10 PM UTC

}// 134/140

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u/magna

WOW!
u/magna

#spiral
u/firegodjr

credit goes to u/BirdsTweetCodersDweet for the og spiral ^^
u/joeytwiddle

#rainbow

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pythech

remix of d/8651 by u/lionleaf

function u(t) {

c.width|=0
with(x)for(translate(900,500),i=7*t;~i--;fill())arc(5*i,!beginPath(fillStyle=`hsl(${i*9},99%,50%`),20*C(i*.9)+30,!rotate(3.88),9)

Jun 20 2018 3:48 PM UTC

}// 140/140

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Golfed back to the circles. Thanks to u/BalintCsala for the hsl trick

u/pythech

Rectangle version looks better anyway

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firegodjr

remix of d/8639 by u/pythech

function u(t) {

c.width|=0
for(x.translate(960,540),i=200;i-->0;)x.lineTo(5*i,0,20*C(i*.9)+30,0,9),x.rotate(-Math.PI*2*.618+t/200)
x.stroke()

Jun 20 2018 1:20 PM UTC

}// 125/140

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Line Nova

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DataMeta

remix of d/869 by u/maysick

function u(t) {

for(i=0;i<255;i++){x.fillStyle=R(i,i,i);b=(1.21*i*(500+t)/360);x.fillRect(-b/10+960+b*C(b),-b/10+540+b*S(b)+16,b/8,b/8)}

Jun 20 2018 2:18 AM UTC

}// 120/140

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hole in canvas

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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,0,22,6e6)

Jun 19 2018 11:40 PM UTC

}// 88/140

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quick test

u/DataMeta

dude, very nice
u/magna

Why 6e6 though? :)
u/Xen

22 width, i=44, 88 bytes,,, 6e6 is almost 66 :-P

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