Dweets awesomed by u/Feiro

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: #Opposites

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Xen

remix of d/6015 by u/rippedspine

function u(t) {

for(i=w=1920,a=S(t*2),d=99;i--;b=S(i),x.fillStyle=R(255*a,e=(1-b)*d,i%255,.3),x.fillRect(w/2+d*C(i+t)*a+C(t/3-a)*d,(t*150+d*b/6)%1e3,4,4));

Jan 14 2018 6:36 PM UTC

}// 139/140

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Shoutz 2 rippedspine

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yonatan

remix of d/2643 by u/yonatan

function u(t) {

for(X=c.width=128;--X;)for(Y=74;Y;x.fillStyle=`hsl(${A=X*C(t)+Y**S(t)^Y*C(t)-X**S(t)},${A=A+t*99&63}%,${A}%`)x.fillRect(X,--Y,1,1)

Jan 12 2018 8:44 PM UTC

}// 130/140

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10 chars left!

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u/sigveseb

woah this one is sick! more upvotes!
u/whackashoe

This is awesome!!!!
u/sandromiccoli

niiiice
u/iverjo

Mind blown!
u/iverjo

#rotozoom
u/joeytwiddle

#colors

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sigveseb

remix of d/5776 by u/ETHproductions

function u(t) {

t&&a<1920||(a=b=q=0,p=t*77%23+4,h+=20)
x.font='9em"'
x.fillText('🃏',a+=p,b)
b+=q++
b>930&q>0?q*=t%1/9-.9:0};{h=0

Jan 9 2018 12:05 AM UTC

}// 112/140

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Remixed on my phone so I didn't clean up unused variables etc. Just wanted to see how this looks with emojis :)

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Xen

remix of d/5724 by u/FrenchToast

function u(t) {

for(c.width|=i=L=255;i--;x.strokeRect(X,i*4,i*3,i*2))x.fillStyle=R(L*C(t),i%L,i%L-100),x.fillRect(X=1920/2+C(T(t*2-i/300))*i,i*4,i*3,i*2)

Jan 7 2018 9:31 PM UTC

}// 137/140

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Shoutz to u/FrenchToast love the original

u/yodacoder

This is cool!
u/GitAtMe

Definitely one of my favorites!
u/Xen

thanks :-)

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Bugsy

remix of d/5437 by u/BackendForth

function u(t) {

i=c.width=2e3;for(;i--;){s=i/99-t*4%27+5;w=2**(-s*s)*99+9;x.fillRect(i,540-w/2+S(i/43)*9+(i>960?i/2-480:0)*(i%2?1:-1),2,w)}

Jan 4 2018 11:43 PM UTC

}// 123/140

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u/ETHproductions

Golfed even further: https://www.dwitter.net/d/5601

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jbl

remix of d/5314 by u/jbl

function u(t) {

c.width|=i=300
x.lineWidth=.1
while(--i)q=19+S(t/6)/28*i,x.arc(S(q/3)*i+q*60,(C(q*S(t/2))+4)*i/2+200,(C(q)*60+200)*S(i/96),0,7)
x.stroke()

Jan 4 2018 2:37 AM UTC

}// 138/140

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u/magna

Nice!
u/nystrand

cool!
u/rikardlindstrom

love it!
u/iverjo

It looks organic
u/lionleaf

#balloon #organic #floppy
u/leonarven

Damn that looks impressive, still such simple! :)
u/skeletonNatte

Somehow pretty unsettling

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robbyg

function u(t) {

x.fillRect(960+C(t/2)*400+C(t*3.7)*100,540+S(t/2)*400+S(t*3.7)*100,9,9)

Jan 3 2018 9:14 PM UTC

}// 71/140

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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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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?

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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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crimbles

function u(t) {

t||x.translate(980,540)
for(var i=0;i<1500;i++){
x.fillStyle=R(C(t/i)*i,S(i/t)*i,T(t)*i)
x.fillRect(i,t,S(t)*2,C(t)*i);x.rotate(S(T(i/t)))}

Jan 2 2018 8:12 AM UTC

}// 139/140

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The longer you watch, the weirder it gets

u/sigveseb

Rocks
u/iverjo

Novel!

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