Top dweets by u/New_Core

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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New_Core

function u(t) {

for(c.width|=i=640;i--;x.stroke())x.beginPath(),x.strokeStyle=`hsl(${i},99%,50%)`,x.arc(99*S(t-i/9)+i*3,i%160*8-99,a=99**C(i/14+t)+14,a,0,7)

Mar 3 2020 6:14 PM UTC

}// 140/140

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u/katkip

looks good!
u/aleamb

amazing!

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New_Core

function u(t) {

for(c.width|=j=2;j--;x.beginPath())for(i=4;i--;x.stroke())x.lineTo(a=50*i*S(v=t*2+j*3-i/4)+t*300%2e3,b=540+i*99+-50*(i+1)**C(i+4+v))

Jul 26 2020 10:33 AM UTC

}// 132/140

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running legs test

u/katkip

woah
u/13thptr

neat
u/KilledByAPixel

Is your dweet running? 🏃‍♂️
u/rodrigo.siqueira

There is a technique called neuroevolution (search for Evolving Virtual Creatures, by Karl Sims and also AI Learning to Walk And Run With Neuroevolution) where this kind of body movement spontaneously appears after the evolution of a genetic algorithm.
u/DataMeta

Exactly what came to mind, Rodrigo. Excellent dweet!

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New_Core

function u(t) {

c.style.filter=`blur(17px)contrast(2e3%)`
for(c.width|=i=11;i--;)x.fillRect(960+600*S(t+i),440+400*C(t+i/.6),200,200)

Feb 12 2020 4:46 PM UTC

}// 117/140

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Aha.. so thats how the metabals was done ;)

Show more comments…
u/New_Core

*metaballs
u/New_Core

probably better use arc.. didnt check fullscreen before posting....
u/New_Core

about 60 px blur was ok for fullscreen here
u/KilledByAPixel

nice technique!
u/corruptio

you can just do c.filter right?
u/corruptio

oh nope, nevermind
u/joeytwiddle

#metaballs good job!
u/sigveseb

Contrast filter, that's clever!

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New_Core

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=200;i--;x.fillRect(960+150*S(i),Y=850-750*C((i/.6+t)%1.57),T=20-Y/70,T))i<1?a=.1:a=255,x.fillStyle=R(0,0,a,a)

Aug 8 2018 1:15 PM UTC

}// 139/140

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New_Core

function u(t) {

for(c.width|=i=25;i--;x.fillRect(M.min(1870,M.max(0,960+400*S(a=t+i/4)+800*S(t))),M.min(1030,M.max(0,540+400*C(a)+400*C(t/3))),50,50))M=Math

Feb 1 2018 12:46 PM UTC

}// 140/140

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Show more comments…
u/benstratton7

Does anybody know how to make this actually bounce off the sides in 140 characters?
u/BirdsTweetCodersDweet

Better resolution if you want : for(c.width|=i=999;i--;x.fillRect(M.min(1870,M.max(0,960+400*S(a=t+i/4)+800*S(t))),M.min(1030,M.max(0,540+400*C(a)+400*C(t/3))),9,9))M=Math
u/Jezza

Love it!
u/Xen

for(c.width|=f=i=400;i--;x.fillRect(M.min(1870,M.max(0,960+f*S(t+i)+800*S(t))),M.min(1e3,M.max(0,540+f*C(t+i)-f*C(t))),9,9))M=Math
u/aleamb

Great!
u/davidsharp

@Xen, you should totally fork it, that looks great
u/New_Core

on Xen's version can remove t+i to i ... no need to spin it if it looks like a line.
u/mylain

kdkdkkd
u/aleamb

amazing!!

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New_Core

remix of d/17209 by u/New_Core

function u(t) {

x.fillRect(0,0,w=2e3,w)
for(i=480;i--;x.strokeRect(960-i*2,540-i*2,i*4,i*4))x.setLineDash([i]),x.lineDashOffset=w%i+i*t-w,x.strokeStyle=R(i)

Oct 2 2020 10:59 PM UTC

}// 140/140

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New_Core

function u(t) {

for(c.width|=i=d=200;i--;x.fill())x.beginPath(),Z=6*d/(d+(i*i+t*99)%2e3),x.arc(955+Z*d*4*S(i),999-(Z*d*S((i*i+t)%3.14)),Z*6,0,7)

Oct 10 2017 5:24 PM UTC

}// 128/140

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u/lurifax

Cool, bouncy! Reminded my of an old commercial feat José Gonzales and a lot of bouncing balls: https://www.youtube.com/watch?v=7XmUxf35AVk
u/joeytwiddle

#bounce

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New_Core

function u(t) {

for(c.width|=i=510;i--;)x.fillRect(i*4,0,4,a=150*S(i/99+t)+900)
x.translate(1240,-a+1762)
x.rotate(t*9)
x.font="2cm'"
x.fillText("🤪",-52,26)

Apr 10 2024 1:12 PM UTC

}// 140/140

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New_Core

function u(t) {

with(x)for(fillRect(0,0,w=2e3,w),a=i=540;i--;strokeRect(0,a-(i%2<1?-i:i),w,w))setLineDash([i]),lineDashOffset=(-w/2-i*t)%i,strokeStyle=R(i)

Jun 1 2023 10:56 PM UTC

}// 139/140

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based on one of my older once...

u/danny@hille.dk

NICE!

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New_Core

function u(t) {

for(a=i=1920;i--;x.fillStyle=R(50+b*i/20))x.fillRect(i-50*S(t+i/a),0,b=1-.3*S(i/(C(t+i/50)-20))-S(t+i/a),20)
x.drawImage(c,0,20)

May 23 2022 6:34 PM UTC

}// 128/140

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u/magna

Great!

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