Dweets awesomed by u/sfz

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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sigveseb

function u(t) {

A=Z=>{W=1920/Z;for(U=Z;U--;)for(V=Z;V--;x.fillRect(U*W,V*W,W,W))x.fillStyle=R(B=Math.random()*255,B,B,1/128);Z&&A(Z-1)};t||A(128)

Mar 3 2017 10:23 PM UTC

}// 129/140

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fake perlin noise

u/SpecialAgent

ah very good :)
u/iverjo

Nice texture
u/sfz

I'd tried to do this but couldn't fit it, nice squeeze!
u/sigveseb

#texture #perlin

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sfacci

remix of d/1844 by u/sfacci

function u(t) {

c.width=1920;
for(i=0;i<400;i++)for(j=0;j<6;j++){
x.fillRect(300*(j-S(t-i/j)),
450+400*(C(j-i))*S(t/j),
10,10)}

Mar 3 2017 9:51 PM UTC

}// 111/140

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sfacci

remix of d/1093 by u/sfacci

function u(t) {

c.width=1920;
for(i=0;i<400;i++)for(j=0;j<6;j++){
x.fillRect(300*(j-S(t-i/j)),
150*(j-C(j-i))*j/i*t,
10,10)}

Mar 3 2017 9:49 PM UTC

}// 108/140

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sfz

remix of d/1839 by u/sawaxon

function u(t) {

A=p=>p>0?p:-p
m=49
l=40
for(j=l;j--;)for(i=l;i--;)x.fillStyle=R(l*A(S(t-j)+i/6),S(t/j)*l*j/(i/9+1),m*S(i)*C(t)+9*j),x.fillRect(i*m,j*m,m,m)

Mar 3 2017 7:25 PM UTC

}// 139/140

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u/donbright

very chilled out

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sawaxon

function u(t) {

c.width=1920;S=p=>Math.abs(p)
for(j=0;j<20;j++)
for(i=0;i<20;i++){x.fillStyle=R(S(i)*25,S(j)*20,S(t+5)*40);x.fillRect(i*99,j*99,99,99)}

Mar 3 2017 6:12 PM UTC

}// 135/140

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veubeke

function u(t) {

t?c.width^=0:a=b=e=f=1;a+=e,b+=f;b>>3||x[k=b*8+a]&&x[k]--?f=-f:a>>3?e=-e:0;for(i=64;i--;)t?x[i]|i==k&&x.fillRect(i-i%8,i%8*8,8,8):x[i]=i>>5

Mar 3 2017 5:33 PM UTC

}// 139/140

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Turns out you can’t fit Breakout into 140b :D

u/iverjo

+1 for good effort :D

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AaronGiles

function u(t) {

c.width|=0;s=200*(1-C(t%1));x.globalAlpha=1-s/90;x.textAlign='center';i=s<17?s*50:850;x.font=`${i}pt Arial`;x.fillText(t|0,960,540+17*s)

Mar 3 2017 3:36 PM UTC

}// 136/140

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u/sfz

fun!
u/iverjo

https://www.youtube.com/watch?v=BMI4o0zc2XI

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New_Core

function u(t) {

c.width=1920;for(i=16;i--;)x.ellipse(1e3+300*S(t+i*.1),500+50*C(t+i*.1),160*S(-i*.5)+160,50*S(i*.1)+5,1.6+.5*S(t*.5),9.5,0,6.3);x.stroke();

Mar 3 2017 3:31 PM UTC

}// 139/140

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Show more comments…
u/sfz

wow creative!
u/sfz

reduced it by about 15 bytes in case you want to try to do something else with the extra room: c.width|=0;for(i=16;i--;)x.ellipse(1e3+300*S(t+i/9),500+50*C(t+i/9),160*S(-i/2)+160,50*S(i/9)+5,1.6+S(t)/2,9,0,7);x.stroke()
u/iverjo

So good!
u/sigveseb

is that a pseudo-3D fish? super nice!
u/donbright

marvellous
u/magna

WAAAAT
u/SpecialAgent

Magnificent depth!
u/joseprio

Really impressive :)
u/Kalanchoe

Amazing!
u/ArtsyBiker1

WHOA
u/gautjac

beautiful
u/21medals

Reduced it ±20 bytes and added beginPath() without changing any values:
u/21medals

for(c.width|=i=16;a=i--/10;x.stroke())x.beginPath(),x.ellipse(1e3+300*S(t+a),500+50*C(t+a),160*S(-i/2)+160,50*S(a)+5,1.6+S(t/2)/2,9.5,0,6.3)
u/New_Core

#fish
u/joeytwiddle

#model
u/Cloud

https://www.dwitter.net/d/17352
u/vain

incredible 3d fish

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SpecialAgent

remix of d/1755 by u/SpecialAgent

function u(t) {

c.width^=0;r=60;for(n=6;n--,q=r*[1,2,3,5,6,9][n],d=t/[1,2,3,4,5,6][n];)x.arc(r*9,r*9,q,1,9),x.stroke(),x.fillRect(r*9+q*C(d),r*9+q*S(d),9,9)

Mar 3 2017 7:50 AM UTC

}// 140/140

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The approximate orbits of the newly discovered Trappist-1 system, three of the seven planets lie in the habitable zone. The innermost planet is not shown here.

u/sfz

I love these space science ones!
u/SpecialAgent

The outermost planet circles the sun around every 20 Earth days, that is a very tight year!
u/donbright

outstanding!

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AaronGiles

function u(t) {

w=960;m=255;i=S(t);j=S(t*.9);x.globalAlpha=.5;x.drawImage(c,i*10,10);x.fillStyle=`hsl(${j*j*m},99%,50%)`;x.fillRect(w+w*i,0,50,10);

Mar 3 2017 7:42 AM UTC

}// 131/140

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u/SpecialAgent

Love these colours!

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