Top dweets by u/LimeLaser

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #ScaryMovies

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LimeLaser

function u(t) {

r=Math.random
p=t?p:Array(999).fill().map(z=>({x:1920*r(),y:1080*r()}))
p.forEach((z)=>{x.fillRect(z.x,z.y,1,1);z.x+=6-12*r();z.y+=4-8*r()})

Feb 5 2019 6:19 AM UTC

}// 140/140

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Mold Growth Via 999 Random Walkers

Show more comments…
u/katkip

Wow, nice technique.
u/LimeLaser

Thank you! I used the array instantiation from a dweet I've seen before, but couldn't find again. Your dweets are awesome, btw!
u/pavel

119 r=Math.random;p=t?p:Array(1e3).fill().map(z=>[2e3*r(),1080*r()]);p.map(z=>x.fillRect(z[0]+=6-12*r(),z[1]+=4-8*r(),1,1))
u/donbright

so awesome
u/qm3ster

115 r=x=>x*Math.random() p=t?p.map(([a,b]=[r(1920),r(1080)])=>[a+6-r(12),b+4-r(8),x.fillRect(a,b,1,1)]):[...Array(999)]
u/qm3ster

115 r=x=>x*Math.random();p=t?p.map(([a,b]=[r(1920),r(1080)])=>[a+6-r(12),b+4-r(8),x.fillRect(a,b,1,1)]):[...Array(999)]
u/qm3ster

112 r=Math.random;p=t?p.map(([a,b]=[1920*r(),1080*r()])=>[a+6-12*r(),b+4-8*r(),x.fillRect(a,b,1,1)]):[...Array(999)]. How do I delete comments?

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LimeLaser

function u(t) {

r=Math.random
p=t?p.map(([u,v,i,j]=[100*r()+910,100*r()+490,0,0])=>[u+i/4,v+j/4,i+2*r()-1,j+2*r()-1,x.fillRect(u,v,1,1)]):[...Array(9999)]

Mar 9 2019 7:37 AM UTC

}// 138/140

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Pupil Dilation (or Pandora's Box)

u/Xen

love it!
u/tomxor

Scary !
u/joeytwiddle

#virus

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LimeLaser

function u(t) {

x.globalAlpha=0.02
x.font="320pt courier"
r=50*S(t)
x.strokeText("DWITTER",50+r*C(t),600+r*S(t))

Apr 15 2019 5:52 AM UTC

}// 96/140

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X-Ray Courier Font

u/joeytwiddle

What's the prognosis, doc?
u/joeytwiddle

#text

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LimeLaser

function u(t) {

c.width|=0
for(i=500;i--;){a=((2*t+i*i)%6.28/3.14-1)**3*3.14
b=S(i+t)/5
x.fillRect(960-2*i*(S(a)+b),540-i*(C(a)+b),8,8)}

Oct 30 2021 6:49 PM UTC

}// 120/140

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Whirlwind

u/marmph

breh

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LimeLaser

function u(t) {

for(i=540;i--;){x.fillStyle=`HSL(${2*(i+t)},99%,75%)`
x.fillRect(960+C(t/2+i/31)*i,540+S(t/5+i/31)*i,4,4)}

Aug 9 2021 5:45 AM UTC

}// 106/140

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Rotating Colors

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LimeLaser

function u(t) {

x.globalAlpha=.02
x.fillRect(0,0,2e3,2e3)
f=60*t|0
n=t/3|0
for(i=1e3;i--;)
x.clearRect(960+960*S(n*f+101*i),540+540*S(n*f+n*i),2,2)

Feb 9 2024 5:22 AM UTC

}// 131/140

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A New Pattern Every 3 Seconds

u/Aeholbrook

love the slow burn

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LimeLaser

function u(t) {

r=Math.random
x.globalAlpha=.01
if(t<23){x.beginPath()
for(i=99;i--;){a=6.3*r()
p=500*r()**.1
x.lineTo(960+p*C(a),540+p*S(a))
}x.stroke()}

Aug 1 2019 3:10 AM UTC

}// 138/140

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Rendering Of A Cannonball

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LimeLaser

function u(t) {

f=(60*t|0)%1e3
x.fillStyle=`HSL(${f},99%,50%)`
x.fillRect(1.7*f,f,99,99)
x.translate(960,540)
x.rotate(0.1)
x.translate(-960,-540)

Sep 11 2021 6:23 AM UTC

}// 130/140

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Color Spiral

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LimeLaser

function u(t) {

X=o=>960+500*C(t+o)
Y=o=>540+500*S(t+o)
x.beginPath()
x.moveTo(X(1),Y(2))
x.bezierCurveTo(X(4),Y(8),X(16),Y(32),X(64),Y(128))
x.stroke()

Sep 1 2019 8:31 AM UTC

}// 136/140

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Curved Geometry Drawer

u/LimeLaser

This uses the bezierCurveTo method with different values to see what shapes it can draw.
u/marmph

slap a few sines and cosines together and BAM ART

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LimeLaser

remix of d/12626 by u/qm3ster

function u(t) {

r=Math.random
p=t?p.map(([u,v,i,j]=[99,99,1,1])=>[u+i,v+j,i+(960-u)/1e4+r()-0.5,j+(540-v)/1e4+r()-0.5,x.fillRect(u,v,4,4)]):[...Array(99)]

Mar 7 2019 7:30 AM UTC

}// 138/140

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99 Accelerating Particles (thank you qm3ster)

u/LimeLaser

I have been hoping to make a particle system that persists individual positions and velocities for a while now. With the code golfing qm3ster has done, I can finally do it!

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