Dweets awesomed by u/moto

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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katkip

function u(t) {

z=c.style.background=R(130,190,198);for(i=99;i--;)x.fillStyle=R(-z,128-z/2,0),x.fillRect(i*20,300+t*t*9+(z=S(t-i/9*S(t-i/99))*99),20,99)

Jul 22 2019 1:09 PM UTC

}// 136/140

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Simple landscape terrain. #landscape #d3 #perspective #realistic #generator #waitforit

u/13thptr

nice
u/Xen

very smooth
u/katkip

thx

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MAxSaL

function u(t) {

for(i=0;i<120;i++)
x.fillRect(t*99, S(t*9)*9+i*9, 1, T(C(t)%S(i))*9);

Apr 1 2019 9:18 AM UTC

}// 70/140

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Wavey pattern

u/geb

#background

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pavel

function u(t) {

for(c.width=480,x.rotate(X=Y=q=.785),r=6;r--;X+=f(0),Y+=f(2))R=1<<r,x.strokeRect(X+265-R,Y-74-R,2*R,2*R),f=n=>R*Math.atan(16*C(t+(n-r%2)*q))

Dec 23 2018 9:53 AM UTC

}// 140/140

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Squares #beesandbombs

u/katkip

So smooth!

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prplz

remix of d/4740 by u/E-Mouse

function u(t) {

with(x)for(c.width|=q=255;q--;)fillStyle=R(q,q,q),beginPath(),arc(960+(z=400-q)*C(q+t),540+S(z)*z,40,0,7),fill()

Mar 4 2018 10:53 AM UTC

}// 112/140

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u/M1T0

This one looks really nice

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joeytwiddle

remix of d/4805 by u/Jezza

function u(t) {

c.width=640;d=-2.1;e=1.9;for(i=l=j=t;i<6e4;i++)k=S(d*l)+C(t)*C(j*d),m=S(e*j)+S(t)*C(l*e),j=k,l=m,x.fillRect(320+j*100,180+l*70,.3,.3)

Dec 30 2017 3:29 PM UTC

}// 133/140

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u/xem

Splendid
u/joeytwiddle

I do like adding alpha to other people's attractors http://bit.ly/2pZCrOg http://bit.ly/2DDaPjO
u/joeytwiddle

This version is easier to resize: https://www.dwitter.net/d/5336
u/joeytwiddle

Please do give Jezza an upvote. They did most of the work here!
u/katkip

#attractor

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recursive

remix of d/1976 by u/recursive

function u(t) {

for(d=256;--d;)for(X=-32;++X<32;x.fillRect(960+X*8e3/d,100+7e4/d-h,120,9))x.fillStyle=R(h=(C(a=d/9+t*6)+C(X/9+a/3))*35,g=h+C(X^d)*6+90,g/.8)

Mar 9 2017 12:33 AM UTC

}// 140/140

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Bluer waves

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u/sfz

Incredible
u/sigveseb

Epic
u/FireFly

This is crazy, great stuff :D
u/iverjo

Best water on dwitter thus far!
u/iverjo

I also tried to achieve this some time ago, but yours is much more convincing
u/iverjo

https://www.dwitter.net/d/65 and https://www.dwitter.net/d/254 and https://www.dwitter.net/d/295 and https://www.dwitter.net/d/366
u/recursive

Your idea gives really great color to the surface. I wonder if it's possible to animate the colors using your idea, and the wave geometry and lighting using mine.
u/magna

(ノಠ益ಠ)ノ彡┻━┻
u/Renaud___

very very nice
u/jsizzle

Seriously amazing. Wow
u/SpecialAgent

Bravo
u/ideokan

i am a web developre, feeling like a dumb monkey in here
u/PiggyClone205

Welcome to the club, ideokan.
u/Godcranberry

This sis amazing, totally my favorite
u/Godcranberry

is* mb fam
u/iverjo

#water
u/hollo47

#ocean
u/katkip

#waves
u/vain

Very nice and lovely wave

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mxfh

function u(t) {

c.width=w=1920;π=Math.PI/2;λ=0;r=w/4;for(φ=-π;φ<π;φ+=1/r){λ+=.1;x.lineTo(C(φ)*S(λ-t)*r+w/2,(C(t)*S(φ)-S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Feb 20 2017 11:57 AM UTC

}// 135/140

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simple orthographic projection; try some factors on the lat λ and lon φ offsets t

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u/mxfh

simple orthographic projection; try some factors on the lat λ and lon φ offsets t
u/wicktwo

Niiiice!
u/as

i love this one
u/ssg

nice variable names!
u/donbright

so elegant
u/lionleaf

#sphere
u/lionleaf

#d3 . (3d is currently not a valid hashtag)
u/BirdsTweetCodersDweet

#whichwayround #inorout

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