Random dweets | Dwitter

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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KilledByAPixel

remix of d/14627 by u/KilledByAPixel

function u(t) {

c.width|=F=W=>250*W(b=i*.785)
for(i=8;i;i--)
for(j=4;j--;)
x.arc(960+F(C),540+F(S),250,z=t/2+j*3/0.393+b,z)
x.fill('evenodd')

Jun 16 2019 6:40 PM UTC

}// 125/140

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Pinwheel variation #beesandbombs

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Irony

remix of d/10531 by u/Irony

function u(t) {

v=t*2
r=(1+t*0.04)
vy=C(v)*100/r
vx=S(v)*500/r 
ry=vy+(200)/r
rx=vx+(200)/r
x.fillRect(960+S(v)*rx,510+C(v)*ry,3,3)

Oct 17 2018 7:32 PM UTC

}// 115/140

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Pendulum v2

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New_Core

function u(t) {

for(c.width|=i=11;i--;x.fillRect(-1e3+400*S(a=(i-~~(t*9))/1.91),500+400*C(a),b,b))x.shadowColor=R(x.shadowOffsetX=2e3,x.shadowBlur=b=70,300)

Nov 28 2018 12:17 PM UTC

}// 140/140

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put your mouse arrow in the middle of the circle and let your eyes rest on it.. you will see a green dot and if lucky the pink spots will also disappear

u/metamero

#OpticalIllusion
u/katkip

Awesome #illusion

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rodrigo.siqueira

remix of d/19335 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(`
for(var i=5e3;i--;f(960,610,310,t*i))f=(X,Y,s,r)=>s>55?f(X-s*S(r),Y-s*C(r),s/2,C(t+i)-r*2):x.fillRect(X,Y,t<4,.4)

Jul 9 2020 1:25 AM UTC

}// 137/140

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Triple ribbon

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Josevarghese

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,100) // draw 50x200 rects

Mar 21 2020 11:50 AM UTC

}// 112/140

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metamero

remix of d/11332 by u/metamero

function u(t) {

t?ontouchmove=e=>{m=e.touches;for(i=m.length;i;)x.lineTo(m[--i].clientX,m[i].clientY)}:(ondblclick=e=>c.width=innerWidth)()
x.stroke()

Dec 7 2018 12:18 PM UTC

}// 134/140

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[multi-touch] minimalist marker #interactive #paint v1M.1

u/metamero

touch to draw + multitouch enabled + double click to delete + fullscren-able (size change does not delete drawing anymore)
u/metamero

#application #app
u/metamero

see d/11332 for mouse/PC version and d/11334 for a version that changes marker size with the mouse wheel

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KilledByAPixel

remix of d/16357 by u/pavel

function u(t) {

for(c.width=i=49;a=i-->>3;x.arc(25,9+a%2*9,9,b=(i-a+t)%4/.64,b))x.stroke()

Oct 29 2019 1:03 AM UTC

}// 74/140

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74 bytes #cube

u/tomxor

O_O

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veubeke

function u(t) {

X=Math.random()*1920
Y=Math.random()*1080
D=Math.hypot(X-960,Y-540)
if(D<300){
x.beginPath()
x.arc(X,Y,Math.min(300-D,20),0,7,0)
x.fill()
}

Apr 22 2020 7:29 AM UTC

}// 139/140

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#circlechallenge

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shilquix

function u(t) {

c.width = c.width
r=16
M=~~(t*10)
for(X=0;X<c.width;X+=r){
for(Y=0;Y<c.height;Y+=r){
x.fillStyle='#'+X*Y*M;
x.fillRect(X,Y,r,r);
}
}

Apr 21 2022 10:41 PM UTC

}// 132/140

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filigrams

u/shilquix

based on Simon Tatham's article of the same name
u/donbright

you might like some of my old dweets, click on my user name to see them. really some of the same underlying themes although yours are more diverse across the sections of the screen
u/donbright

https://www.dwitter.net/d/14544 for example
u/donbright

reminiscent of "circles and squares" pseudo fractals but more complex
u/shilquix

I am looking through yours. We seem to share a fascination.

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BackendForth

remix of d/22820 by u/BackendForth

function u(t) {

v=Math.random
i=v()*2e3,j=v()*999,x.fillStyle=R(a=v()*256)
for(k=999;k--;)x.fillRect(i,j,3,3),a=(i-960)/50,b=(j-540)/50,i+=1/S(b),j+=1/S(a)

May 19 2021 1:53 AM UTC

}// 139/140

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Flower petals? Wallpaper?