Dweets awesomed by u/rep_movsd

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: #Food

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hoplite

function u(t) {

t=C(t*9)*255
x.fillStyle=R(t+30,t,t+99,.1)
x.fillRect(C(t)*9+954,S(t)*9+534,9,9)
x.drawImage(c,-48,-27,2016+S(t),1134+C(t))

Jan 3 2018 12:18 PM UTC

}// 124/140

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u/Xen

nice, reminds me of Dr.Who
u/joeytwiddle

the theme tune was playing in my head as I read Xen's comment!

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RomanW

remix of d/5354 by u/travisdoesmath

function u(t) {

for(i=0;i<213;i++)for(j=0;j<120;j++)'ﾇￃ￡￰ｸ＼＞／砀㰀Ḁༀ蜀쌀'.charCodeAt(j%16)>>i%16&1&&x.fillRect(i*9,j*9,9,9)

Jan 3 2018 12:13 PM UTC

}// 104/140

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u/travisdoesmath

Sweet! Of course, I saw your work *after* I posted. I was going to try and unpack your technique today, so I'm pretty happy that you did this remix
u/RomanW

very welcome!

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Xen

remix of d/3167 by u/Xen

function u(t) {

for(i=c.width|=0;i--;x.fillRect(960+S(p=.9*i+S(t)*3e3/i*S(t))*(d=i*i/1e3)-i*C(t),540+C(p)*d-i*S(t),s,s))x.fillStyle=R(Z=t*i%255,s=i/5,255-Z)

Jan 2 2018 9:31 PM UTC

}// 140/140

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Show more comments…
u/jbl

WOW! 💯
u/lionleaf

Testing new links u/Xen
u/Xen

Yay! d/5309
u/donbright

i would have said this was impossible if i didnt see it
u/lionleaf

#alien #needle #color #floppy #rotation
u/sybarita

Yo what ... this is amazing
u/mrperson59

Is this what sleeping beauty pricked her finger on?
u/ximavus

#d3

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Yogeshp3

function u(t) {

c.width=1920;r=450;i=U=.0314;p=(i,f)=>r+r*f(U*i);for(;i<200;){n=i*t%200;x.stroke(new Path2D(`M${p(i,C)} ${p(i++,S)} L${p(n,C)} ${p(n,S)}`))}

Jan 2 2018 10:45 AM UTC

}// 140/140

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Modular multiplications around the circle..

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donbright

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i-=10;)for(j=w;j-=10;){
d=(i*i+S(3.14*(i/w))*j*j)/frame
o=d%9
x.fillRect(i,j,o,o)}

Jan 2 2018 3:15 AM UTC

}// 105/140

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u/joeytwiddle

I was about to comment "donbright would like this one" but then suddenly ... !
u/magna

Wow!
u/Xen

one of my new fav's, love this!

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ellisk1

function u(t) {

q=600;x.strokeStyle=R(r=t%2*150,99-r);b=6*Math.random();x.beginPath();x.moveTo(q+r*C(b),q+r*S(b));x.lineTo(q+r*C(b+1),q+r*S(b+1));x.stroke()

Jan 2 2018 12:10 AM UTC

}// 140/140

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trupples

remix of d/5097 by u/trupples

function u(t) {

t?c.width|=0:X=Y=0
N=1e4
for(n=N;n--;X=(X+[99,900,99,C(t)*999][r=Math.random()*4|0])/2,Y=(Y+[99,99,900,S(t)*999][r])/2)x.fillRect(X,Y,9,9)

Jan 1 2018 12:02 PM UTC

}// 138/140

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4 point sierpinski attractor :o - If your PC can handle it try pumping up that N=1e4 and making the points smaller

u/BirdsTweetCodersDweet

Set it to 2e4 and 3x3 points. Looks really cool!
u/donbright

:)

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coderkid

remix of d/5018 by u/veubeke

function u(t) {

r=a=>x.fillRect(a*99,540+s*99,99,3);for(x.fillStyle=R(0,0,a=99,.01);a--;r(16+c*s))s=S(y=t/9+a)*4,c=C(y),c<.5&&r(3+c*s),r(8+c*2),r(12);

Dec 31 2017 9:11 PM UTC

}// 134/140

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nickd3000

function u(t) {

function cc(c){return 128*(.5+C(6.28*(i/200+c)))}for(i=0;i<220;i++)x.fillStyle=R(cc(-t/9),cc(t/7),cc(t/5)),x.fillRect(9*i,0,9,1e3);

Dec 31 2017 4:25 PM UTC

}// 131/140

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u/magna

Golfed to 102 chars: https://www.dwitter.net/d/4985

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ben

remix of d/4938 by u/ben

function u(t) {

x.fillStyle='#47f1'
x.fillRect(0,0,w=2e3,w)
for(i=1e4,x.fillStyle='#fff';i--;)x.fillRect((S(i*i)*w*w)%w,w-(b=(t*i/9+S(i)**2*w)%w),b/=99,b)

Dec 31 2017 1:34 PM UTC

}// 138/140

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u/donbright

perfect winterdweet

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