Dweets awesomed by u/jlidbeck

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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nystrand

function u(t) {

for(r=777,i=2e3;i--;x.fillRect(a+r,b+r,29,19))a=t*i*i*r%2e3-r,b=i-r,g=i/3+S(t)*a/24,x.fillStyle=R(A=S(t+a/g)*S(C(t/2)+t-b/g)*i,A+a/8,A+b,.3)

Sep 9 2019 7:02 PM UTC

}// 140/140

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Show more comments…
u/yonatan

Nice one! How does it work?
u/yonatan

Oh I get it, a and b are coords used to generate the pixel color with g as tilt
u/pavel

very nice
u/13thptr

great style
u/aleamb

fucking awesome!!
u/KilledByAPixel

👍
u/magna

wowza
u/iverjo

Wow, very nice!
u/vain

Incredible

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WasifBoomz

function u(t) {

x.setLineDash([50, 50]);
x.strokeRect(0,50*t,50*t,50*t)
x.lineWidth=5

Sep 9 2019 3:56 PM UTC

}// 69/140

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taupelink

function u(t) {

for(f=1,i=d=e=1e3;i--;x.fillRect(960+d*z*C(e),540+d*z*S(e),f,f))r=Math.random(z=50)*15|0,[d,e,f]=[2+r*.6+f*C(d),r+2-f*S(d)/3,r%3/2+.2/f**.5]

Sep 9 2019 1:54 AM UTC

}// 140/140

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d/15661

u/katkip

Awesome

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yonatan

function u(t) {

with(x)for(c.width|=i=26;i--;clip(fill(arc(960+S(z/9+t)*T,T=540,z**3/9,0,9))))fillStyle=`hsl(${i+t*9&1?0:T} 50%${i*2}%`,beginPath(z=i+t*9%1)

Sep 7 2019 9:55 PM UTC

}// 140/140

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#tunnel

u/0x04

Wow, great piece! <3
u/aleamb

amazing!

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mildlybean

function u(t) {

for(i=a=c.width|=0;i--;x.fillRect(i,i^X?F(i):Y,9,15))t?F=f=>S(f/99+t)*66+999:X=Y=v=b=0;Y+=++v;if(Y>F(X=(X+a+b)%a))Y=F(X),v=-v,b+=C(X/99+t)*9

Sep 7 2019 6:56 PM UTC

}// 140/140

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Gravity on a curved, moving surface

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u/KilledByAPixel

👍
u/atgz

very impressive
u/metamero

nice!! #gravity #physics
u/0x04

Nice to see that you cracked the 140 char mark! 👌
u/joeytwiddle

Like a roulette simulator! Can you guess where it will stop?
u/katkip

I consider this a life form
u/iverjo

Impressive for a dweet!

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dmoura

function u(t) {

c.width|=0
x.translate(960,540)
x.rotate(-t/2)
x.fillStyle = R(0,50,100,0.2)
for(i=0;i<1300;i+=.3)
  x.fillRect(C(i)*i,S(i)*i,i/6,i/8)

Sep 4 2019 10:50 AM UTC

}// 134/140

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Galactic swirl

u/13thptr

nice style
u/aleamb

stylish!
u/dmoura

thanks! :-)
u/lionleaf

#swirl
u/iverjo

Beautiful

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tomxor

remix of d/15553 by u/tomxor

function u(t) {

for(c.width=128,i=576;i-=1/16;x.fillRect(16*X,16*Y,Z,Z))
X=i%8,Y=i/128,
Z=1+C(5*S(Y+C(X*3))+5*S(X+S(Y*3))+t*4)**3/3

Aug 28 2019 3:34 PM UTC

}// 115/140

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#lava

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u/aleamb

awesome!
u/katkip

i thought it's perlin noise. gj
u/tomxor

Never heard of it :) time for a quote: "Absolute Ignorance is the artificer [...] in order to make a perfect and beautiful machine it is not necessary to know how to make it" - Robert Beverley MacKenzie, 1868 ... gona keep my monkey fingers typing, maybe I will learn something.
u/taupelink

excellent
u/username

so what did you use to implement this noise?
u/DataMeta

115 bytes, clearly :)
u/KilledByAPixel

👍

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tomxor

remix of d/15534 by u/tomxor

function u(t) {

Z=_=>C(3*S(Y+C(X*3))+3*S(X+S(Y*3))+t*4)**3/6
for(c.width=i=1024;i-=1/16;x.fillRect(48*(X*2+Y+11),48*(X/2-Y+z),1,5))z=6-Z(X=i%8-4,Y=i/128-4)

Aug 28 2019 11:57 AM UTC

}// 139/140

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#lava

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mildlybean

function u(t) {

R=C;onmousemove=e=>C[~~(e.x/4.4)*64]=1;for(c.width=128,m=8192;m--;n?R[m+1]?0:o<64-1?C[m]=0*(C[m+1]=1):0:0)x.fillRect(m/64|0,o=m%64,n=R[m],n)

Aug 27 2019 11:31 AM UTC

}// 140/140

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Move your mouse over the canvas. Also, try changing 64-1 to 64

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u/mildlybean

Sorry mobile users
u/katkip

awesome
u/metamero

so relaxing #interactive
u/katkip

It's like a City Builder
u/username

Why you use 64-1 instead of 63? 😂
u/tomxor

because that would only be 139 chars silly :P
u/atgz

138* :P

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mildlybean

function u(t) {

Z=(X,Y)=>S(X*Y/999+t*9)*9
c.width|=0;for(i=-64;++i<64;)for(j=-64;++j<64;x.fillRect(960+i*d,540-.7*(j+h)*d,3,3))d=3e3/(400+.7*(j-(h=Z(i,j))))

Aug 26 2019 1:51 PM UTC

}// 140/140

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It will graph any equation you put on the first line. Give it a try, I'd love to see your remixes!

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u/mildlybean

S((X*X+Y*Y)**.5/4-t*16)*16 is interesting
u/tomxor

Neat! #application , shameless plug to my old retro version: d/12669
u/tomxor

yours has a much nicer resolution: Z=(X,Y)=>S((X*X^Y*Y)**.1-t*8)*16
u/katkip

Z=(X,Y)=>S(X/9*C(t)+Y/9*S(t))*9 is cute
u/tomxor

moire: Z=(X,Y)=>t
u/katkip

Any formula has a moire actually
u/mildlybean

Especially (X+Y)%2==0?0:S(t*2)*50

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