Dweets awesomed by u/M1T0

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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pewpew

function u(t) {

for(i=1;i<400;i++){
b=128-S(t)*127;s=i*0.5;l=s%(C(t)*i);x.fillStyle = R(b,s,s,0.5*(S(t*i)));x.fillRect(1920/400*i,540+C(t)*T(t*i)*200,l,l);}

Jan 4 2018 5:57 PM UTC

}// 140/140

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ellisk1

function u(t) {

m=Math.random;f=w=>x.fillRect(2e3*m(),1e3*m(),w,w);x.fillStyle=T(t)>1?"#fff":R(255*C(t+1.5),255*C(t),99,.2);f(9*T(t));x.rotate(1);f(200)

Jan 4 2018 5:39 PM UTC

}// 136/140

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BackendForth

function u(t) {

c.width=1920
for(i=0;i<1720;i+=16){x.beginPath()
s=t%8*39+i/9-222
x.arc(i,99+i/3+99*S(i/99+t/9),i/9*(1+Math.pow(1.01,-s*s)),0,7)
x.stroke()}

Jan 4 2018 3:14 PM UTC

}// 140/140

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u/joeytwiddle

Gulp!
u/Xen

snake done gone eaten!
u/iverjo

4 characters shorter: c.width+=0;for(i=0;i<1720;i+=16)x.beginPath(),s=t%8*39+i/9-222,x.arc(i,99+i/3+99*S(i/99+t/9),i/9*(1+Math.pow(1.01,-s*s)),0,7),x.stroke()
u/codeslaw

Reminds me of my first dweet! d/2083
u/joeytwiddle

#worm

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mpasula

function u(t) {

t||x.translate(960,540)
h=C(t*9)*255
x.fillText(t&1?'🚀K':'👾.',-6+T(h),S(h)*9+5)
x.drawImage(c,-1008,-567,2016,1134)
x.rotate(C(t)/2e3)

Jan 4 2018 8:49 AM UTC

}// 135/140

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remix of #5366 by hoplite

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laynehobby

function u(t) {

c.width=y=m=256
a=C(t)
for(;y--;)x.fillStyle=R(y*a||m,(y?m-y:m)*a,y&&m*a),x.beginPath(),x.arc(128,y?y-1e3:m-m*a,y?1e3:50,y&7,8),x.fill()

Jan 4 2018 6:29 AM UTC

}// 137/140

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u/magna

Great!
u/Xen

very nice
u/laynehobby

thanks!
u/iverjo

Nice colors!
u/M1T0

cool idea
u/joeytwiddle

#sunset

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BackendForth

function u(t) {

c.width=1920
for(i=0;i<1920;i+=4)
{s=i/99-t*4%27+5
w=Math.pow(2,-s*s)*99+9
x.fillRect(i,540-w/2+S(i/43)*9+(i>960?i/2-480:0)*(i%8?1:-1),8,w)}

Jan 4 2018 1:11 AM UTC

}// 140/140

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Show more comments…
u/justinwzig

This rocks
u/magna

Awesome!
u/lurifax

Smooth!
u/sigveseb

Niiice
u/jbl

beautiful!
u/Bugsy

Golfed and slightly cleaned at https://www.dwitter.net/d/5543. Have fun with the extra characters!
u/Bugsy

(cleaned is referring to some slight blockiness on the right side of the animation, not the code. My code is much uglier :P)
u/BackendForth

Neat! TIL Javascript accepts python notation for exponents.
u/ETHproductions

Golfed even further at https://www.dwitter.net/d/5601. Now there's 30 extra chars to play around with :-)
u/mohd-akram

I was expecting it to open like a zip :D
u/lionleaf

#feynman #feynman_diagram #organic #quantum_field_theory
u/lionleaf

#zip
u/rodrigo.siqueira

Neural sign propagating through axon terminals
u/rodrigo.siqueira

#neural
u/rodrigo.siqueira

#neuralnetwork

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veubeke

function u(t) {

t*60&127?0:T=[0,L=.001]
S=[c.width^=0]
T.map((_,i)=>S[i*2-1]=(_+T[i-1])/2+(Math.random(x.fillRect(i,540-_,2,S[i*2]=_))-.5)/L)
T=L<2?S:T
L*=2

Jan 3 2018 8:09 PM UTC

}// 140/140

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Simple terrain generation using midpoint displacement

u/iverjo

Nice alternative to perlin noise!
u/sigveseb

Very nice! And with the horizontal flat line we can pretend that is the sea level; everything above is a mountain and everything below is the sea :)
u/iverjo

#random

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M1T0

function u(t) {

t?x.fillStyle=`hsl(${t*99},90%,50%)`:c.width=350
for(i=199;i--;)x.fillRect(i+i*C(t-i),i+i*S(t+i),9,i)

Jan 3 2018 7:25 PM UTC

}// 101/140

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Messing with some code that Xen gave me

u/M1T0

Thanks to Xen for teaching me some JS
u/Xen

no worries mate ;-)

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ellisk1

remix of d/5056 by u/ellisk1

function u(t) {

x.fillRect(0,0,q=c.width=2e3,q);for(i=q;i--;)r=99+i**4/7e7/t,x.fillStyle="#fff",x.fillRect(1e3+C(z=i%q*i+3e2*t/r)*r,1e3+S(z)*r-i,8+6*S(z),5)

Jan 3 2018 3:46 PM UTC

}// 140/140

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A little remix of my black hole dweet

u/RomanW

Really fantastic!
u/iverjo

Nice 3D effect!
u/M1T0

very impressive
u/lionleaf

#tunnel #black_hole #tornado
u/vain

Looks so great!

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Zolden

function u(t) {

c.width|=0;for(k=0;k++<1999;){j=k%20;q=j*j;
i=k/20;p=255-q*j/30;x.fillStyle=R(p,p,p,1);x.fillRect((q+75)*i-q*(t+8)*3,q*2,q/2,j*40)}

Jan 2 2018 11:29 PM UTC

}// 131/140

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