Dweets awesomed by u/New_Core

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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donbright

remix of d/2839 by u/alien

function u(t) {

w=c.width=115
for(j=w;j--;)
for(i=w;i--;)q=2*i*j*S(t)+C(t)*(i**2+j**2),x.fillStyle=R(s=(q*q*frame>>t)%255,s,s*3),x.fillRect(i,j,1,1)

Jul 10 2017 3:22 AM UTC

}// 132/140

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remixing @alien color + code with some of my old binary quadratic forms stuff (aka circles and squares pseudo fractals)

u/cantelope

cool donbright
u/donbright

thx cantelope

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New_Core

function u(t) {

a=t*60
if(a<2e3){
for(b=1080;b--;){
A=a/400-3,B=b/400-1.4
d=A,e=B
for(i=20;i--;)D=d*d-e*e+A,E=2*d*e+B,d=D,e=E,d*e>5?x.fillRect(a,b,1,1):0
}}

Jul 9 2017 7:52 PM UTC

}// 140/140

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u/donbright

i ran this on firefox and i swear some of the little gray pixels are twinkling like little stars. it looks really cool in full screen too.
u/cantelope

amazing
u/New_Core

#fractal

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New_Core

remix of d/2828 by u/New_Core

function u(t) {

for(i=602;i--;x.fillStyle=`hsla(${i+99*S(f+S(i/f))},99%,50%,.05`)i<217?x.fillRect(0,5*i,2e3,5,f=t):x.fillRect(5*i-1085,0,5,1080,f=t*.5)

Jul 6 2017 8:18 PM UTC

}// 135/140

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u/joeytwiddle

Very pretty!
u/alien

nice !
u/New_Core

#colorshock

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New_Core

remix of d/2828 by u/New_Core

function u(t) {

for(i=768;i--;)i<216?(a=0,b=5*i,d=2e3,e=5,f=t):(e=1080,a=5*i-e,b=0,d=5,f=t*2),x.fillStyle=`hsla(${i+99*S(f)},99%,50%,.5`,x.fillRect(a,b,d,e)

Jul 5 2017 8:51 AM UTC

}// 140/140

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tried same with function.. still 140 ;) F=(e,d,a,b)=>x.fillRect(a,b,d,e);for(i=768;i--;x.fillStyle=hsla(${i+99*S(f)},99%,50%,.5)i<216?F(5,2e3,0,5*i,f=t*2):F(g=1080,5,5*i-g,0,f=t)

u/New_Core

lol and now I wonder why I didnt just do this from beginning.. for(i=768;i--;x.fillStyle=hsla(${i+99*S(f)},99%,50%,.5)i<216?x.fillRect(0,5*i,2e3,5,f=t):x.fillRect(5*i-1080,0,5,1080,f=t*2)
u/New_Core

#colorshock

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New_Core

function u(t) {

for(e=i=768;i--;x.fillRect(a,b,d,e))i<216?(a=0,b=5*i,d=2e3,e=5,f=S(t)):(a=5*i-e,b=0,d=5,e=1080,f=t),x.fillStyle=`hsla(${i+99*f},99%,50%,.03`

Jul 4 2017 7:09 AM UTC

}// 140/140

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New_Core

remix of d/2822 by u/hamoid

function u(t) {

a=9*S(t)
b=9*C(t)
x.fillStyle=`hsl(${t*50},99%,50%`
for(i=11;i--;x.globalCompositeOperation='hue')x.fillRect(960+i*a+t*a,540+i*b+t*b,20,20)

Jul 2 2017 10:04 AM UTC

}// 139/140

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u/donbright

this looks great...
u/13thptr

#spiral

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New_Core

function u(t) {

x.fillRect(0,1070,2e3,9);for(a=i=120;i--;x.fillText("Dwitter",i*50+a*S(t)-t%25*a,1078))x.fillStyle=`hsl(${i*6},99%,50%)`;x.drawImage(c,0,-9)

May 31 2017 4:49 PM UTC

}// 140/140

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The sinus should be like 300 to look good but I run out...

u/magna

You can drop the closing parenthesis of hsl.
u/New_Core

aha, didnt know that.

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New_Core

function u(t) {

w=c.width=t%4*800;x.textAlign='center';x.font=6+'cm a';x.fillText("It|is|not|the|best|way|to|zoom|text".split('|')[0|t/4%9],w/2,70+t%4*210)

May 26 2017 8:26 AM UTC

}// 139/140

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u/MrM@_S

split with 0's
u/sigveseb

.split| saves 2 bytes!
u/magna

@sigveseb OMG what kind of a syntax is that?! Oh, the things one learns every day...
u/recursive

https://developer.mozilla.org/en-US/docs/Web…

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New_Core

remix of d/438 by u/New_Core

function u(t) {

c.width=(a=1200)+500*S(t);q=99;x.font=3+'cm a';x.translate(960,540);x.rotate(t/3);for(i=320;i--;x.fillText("☕",i%24*q-a,i%26*q-a))x.fill()

May 26 2017 6:12 AM UTC

}// 138/140

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u/13thptr

lol
u/13thptr

#rotozoom

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nystrand

function u(t) {

with(x)for(q=t?5e3:translate(1e3,b=540),i=b*t%q;i>0;fillRect(c=i/5-q/2,c,T(t&i/t^b)*b+q,q),q=.2)fillStyle=R(a=i--/9-q,rotate(b*t&i),a+b,.1)

May 25 2017 10:00 PM UTC

}// 139/140

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u/magna

Super cool!
u/lionleaf

Amazing!
u/MrM@_S

disco

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