Top dweets by u/gpolonus

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: #Food

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gpolonus

remix of d/17827 by u/gpolonus

function u(t) {

t?0:p=q=0
f=(a,b,c,d)=>x.moveTo(a,b)|x.lineTo(c,d)|x.stroke()
onmousemove=e=>((a,b)=>f(a,b,q,p)|f(2e3-a,b,2e3-q,p)|(q=a,p=b))(e.x*3.4,e.y*3)

Mar 4 2020 6:44 PM UTC

}// 140/140

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Mirror lines #interactive

u/gpolonus

The cursor if off in the y direction. I wanted to change the 3 multiplier to 3.4 but couldn't figure out where to save characters. Any suggestions would be much appreciated!

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gpolonus

remix of d/13143 by u/gpolonus

function u(t) {

for(h=-99,c.width=200;h<200;h+=9)for(w=0;w<200;w+=20)for(i=0;i<6;i++)p=f=>w+f(t+i*1.05)*15,x.moveTo(w+h,w),x.lineTo(h+p(C),p(S))
x.stroke()

Apr 9 2019 11:23 PM UTC

}// 139/140

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Windmills with one less character

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gpolonus

function u(t) {

t?0:(l=1,c=0)
n=0
a=20
for(i=0;i<32;){s=102&2**((i?l>>i-1:l*2)&7)
n+=s?2**i:0
x.fillStyle=s?'#000':'#fff'
x.fillRect(c,i++*a,a,a)}
c+=a
l=n

Mar 16 2021 3:39 PM UTC

}// 139/140

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Rule 102

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gpolonus

remix of d/17847 by u/gpolonus

function u(t) {

c.width|=0
s=n=>(n+1)*127
for(i=-1;i++<80;)for(j=-1;j++<72;){x.fillStyle=R(s(S(t*i*10)),s(C(t)),150,1);x.fillRect(i*24,j*15,24,15)}

Mar 5 2020 6:49 PM UTC

}// 131/140

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In your face #trippy #colors #color

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gpolonus

function u(t) {

c.width|=0
s=n=>(n+1)*127
for(i=-1;i++<80;)for(j=-1;j++<72;){x.fillStyle=R(s(S(t*i)),s(C(t*j)),s(C(t*i*j)),1);x.fillRect(i*24,j*15,24,15)}

Mar 5 2020 2:04 PM UTC

}// 138/140

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Pixels #color #colors

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gpolonus

function u(t) {

c.width/=1
onmousemove=e=>c.a=e.x
f=(a,y)=>x.fillRect(a,y,9,9)
for(i=0;i++<2e3;)f(i,S(t+i)*c.a+500)

Mar 3 2020 10:39 PM UTC

}// 99/140

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#interactive tube

u/gpolonus

need to mousemove to get it started

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gpolonus

remix of d/17815 by u/gpolonus

function u(t) {

f=(a,y)=>(x.fillRect(a,y,20,20)||f)
d=(a,y)=>f(a,y)(1920-a,1080-y)
c.a=c.a||c.addEventListener('mousemove',e=>d(e.x*3.41,e.y*3.38))||1

Mar 3 2020 3:30 PM UTC

}// 134/140

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Multiple cursors

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gpolonus

function u(t) {

t||(m=[960,540])
x.fillStyle=R((m[0]+=Math.random()*18-9)*.13,(m[1]+=Math.random()*18-9)/4.23,10)
x.fillRect(...m,50,50)

Mar 30 2023 9:18 PM UTC

}// 120/140

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Random journey of the rect

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gpolonus

function u(t) {

if(t==0)c.width=480
for(i=0;i<480;i+=10)for(j=0;j<290;j+=10)x.fillRect(i+4*S(t*3),j-4*C(t*3)|0,1,1)

Mar 4 2022 2:49 AM UTC

}// 99/140

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Circles

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gpolonus

function u(t) {

for(i=-1;i++<32;)for(j=-1;j++<18;){x.fillStyle=Math.random()>.5?'white':'#eee';x.fillRect(i*60,j*60,60,60)}

Mar 12 2020 2:39 PM UTC

}// 107/140

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Ghost #epilepsy

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