Dweets awesomed by u/donbright

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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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

function u(t) {

r=new Date%1e2
if(!t)x.translate(960,540)
x.rotate(-1e-2)
x.fillStyle=`hsl(${r},80%,${64-32*S(t)}%)`
x.fillRect(0,0+S(t)*500,2e3,40)

Mar 3 2017 1:28 PM UTC

}// 132/140

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SpecialAgent

remix of d/1813 by u/mihte

function u(t) {

c.width^=0
x.font='12em a'
x.translate(800,600)
q=1+S(frame*.1)*.1
x.scale(q,q)
x.fillText("❤️",0,0)

Mar 3 2017 10:06 AM UTC

}// 100/140

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AaronGiles

function u(t) {

t||(x.translate(w=960,540),x.rotate(2));j=S(t);x.rotate(j/40);x.drawImage(c,0,-w);x.fillStyle=`hsl(${j*360},99%,50%)`;x.fillRect(w*j,0,9,w)

Mar 3 2017 9:21 AM UTC

}// 139/140

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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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mihte

function u(t) {

c.width=1920
x.font='170px Impact'
for(s=0;s<5;s++)x.fillText("Dweet ❤️️",t*500%1920,240+s*180),x.fillStyle=R(C(t)*128+128,1+s*80,20+s*20)

Mar 3 2017 4:46 AM UTC

}// 138/140

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walsh9

remix of d/1301 by u/walsh9

function u(t) {

for(i=240;i--;)d=i*8,e=t*480,s=d<1||Math.random()>.5&&e>1,f=s?1:8,g=s?8:1,x.fillRect(d,e,f,g),x.strokeRect(0,0,1920,1080)

Mar 3 2017 3:41 AM UTC

}// 121/140

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u/ilSilvano

a-maze-ing!
u/Lazy1337

#maze

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donbright

remix of d/1755 by u/SpecialAgent

function u(t) {

n=frame
q=n%2?400:289.2
d=n%2?2*t:2*t/.61518
X=960+q*C(d),Y=540+q*S(d)
n%4?x.moveTo(X,Y):x.lineTo(X,Y)
x.stroke()
x.fillRect(X,Y,9,9)

Mar 3 2017 2:36 AM UTC

}// 133/140

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This shows the pattern traced by a line directly between the Earth and Venus as they orbit the sun. This pattern is pretty ancient, for example discussed in the book Quadrivum about the old academic relationships between art and science. This type of pattern may be helpful to appreciate the concept of Orbital Resonance in a planetary system.

Show more comments…
u/donbright

thx to https://nssdc.gsfc.nasa.gov/planetary/factsh… for the data
u/sfz

Fascinating
u/donbright

inspired by @SpecialAgent obvs!
u/SpecialAgent

This pattern is very pleasing to the eye, very nicely done!
u/sigveseb

This space stuff is nice!
u/Lazy1337

#cardioid
u/Lazy1337

#math
u/donbright

#venus #space #orbits

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sfz

remix of d/1796 by u/sfz

function u(t) {

c.width|=0
z=~~(t/3)
for(m=7;m>0;m-=.001)X=940*(1+S((z%9+2)*m+t/3)),Y=504*(1+S((z%9+1)*m)),x.fillStyle=R(255*C(m+t*5)),x.fillRect(X,Y,24,24)

Mar 3 2017 1:45 AM UTC

}// 140/140

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