Top dweets by u/katkip

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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katkip

remix of d/9723 by u/DataMeta

function u(t) {

c.width|=i=540;x.transform(0,1,1,0,960,540)
for(i;i--;x.rotate(1+t/420))x.fillRect(i-t,i+t,9,2e3)

Sep 9 2018 9:25 AM UTC

}// 97/140

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#tunnel

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katkip

function u(t) {

c.width*=1
p=(s,r=1)=>{x.beginPath();for(i=19;i--;)x.arc(960+S(i*2.513)*s,540+C(i*2.513)*s*r,0,0,0);x.stroke();if(s>20)p(s/2.64,-r)}
p(t**8)

Dec 22 2020 6:36 AM UTC

}// 140/140

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#pentagram #recursive

u/pavel

Reminds me of d/11285

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜐲𜀻𨰮𬱴𮑬𩐮𩡩𫁴𩑲👠𨱯𫡴𬡡𬱴𚀵𜀩𨀻𮀮𩡯𫡴👠𛠵𨱭𘡠𞱸𛡧𫁯𨡡𫁁𫁰𪁡🐹𛱴𛱴𞱸𛡦𪑬𫁔𩑸𭀨𙱰𙰬𭀪𭀪𜠬𜰷𚐻𮀮𩡩𫁬𥁥𮁴𚀧𨠧𛀱𜐲𛑴𚡴𚠲𛀴𜀩𞱸𛡧𫁯𨡡𫁁𫁰𪁡👴𛰹𞱸𛡦𪑬𫁔𩑸𭀨𙱂𙰬𝐵𛀴𜀩`.replace(/u../g,``)))

Oct 31 2020 4:27 PM UTC

}// 128/140

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u/DataMeta

#B
u/DataMeta

#waitforit
u/tomxor

Wow, the merge effect is interesting

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katkip

remix of d/18902 by u/katkip

function u(t) {

f=frame*.69420,x.beginPath(x.fillStyle=R(128+S(f-t)*228,200*S(f-t),t*f,1/t)),x.fill(x.arc(960+S(f+t)*500/t,540+C(f+t)*300/t,500/t-f/4,0,7))

May 21 2020 8:01 AM UTC

}// 139/140

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katkip

function u(t) {

for(c.width|=i=121;i--;)for(j=64;j--;)x.fillRect(i*20+C(i/9+t*2)*80*S(j/7+t)-80,j*20+S(j/9+t*3)*80*C(i/7-t)-80,9,9)

Apr 29 2019 10:38 AM UTC

}// 115/140

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Fullscreen to see the waves better without aliasing.

u/artfarnaa

Nice work Katkip. All your stuff is awesome.
u/katkip

Thanks!

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katkip

remix of d/12347 by u/katkip

function u(t) {

c.width*=1;t||(a=b=5);for(i=999;i--;)a+=S(b+C(a+i/9999)),b+=C(a+C(b+t*i)),x.fillRect(a*590-1800,b*290-300,9,9)

Feb 14 2019 6:13 PM UTC

}// 110/140

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Chaotic #attractor in motion #math (quarc in string theory)

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katkip

function u(t) {

f=(X,Y,S)=>{if(S>10)x.beginPath(),x.arc(X,Y,S,3.2,6.2),x.stroke(),f(X+S,Y+S/2,S/2),f(X-S,Y+S/2,S/2)}
x.lineWidth=9;f(960,540,450)

Feb 5 2019 8:04 AM UTC

}// 129/140

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#recursive #recursion

u/cantelope

awesome!
u/katkip

thx

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katkip

function u(t) {

c.width*=1;for(q=99;q>0;q-=.01)x.fillRect(960+C(q*t)*q*q+T(q*C(t)),540+S(q*t)*q*q+T(q+t),q,q)

Dec 17 2018 6:26 AM UTC

}// 93/140

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Distorted spiral

u/cantelope

amazing! and only 93b!

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katkip

remix of d/10534 by u/tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i);for(t+=t*10;p=i&1,m=t/C(t/i)+p*(t/i*i+i%t),i--;)x.clearRect(960+m*S(n=i*i+t/9+t*i/8769)/C(1/t+p),540+m*C(n+p/t),5,5)

Oct 19 2018 6:10 PM UTC

}// 140/140

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#waitforit to see how does it look in a black hole!

u/tomxor

OMG it's a stargate :P

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katkip

remix of d/10203 by u/katkip

function u(t) {

c.style.background='#0f0';c.width*=1;for(a=1e3|0;a--;x.lineTo(C(a+b*b+t)*S(b+a*a+t)*960+960,S(b)*540+540,i=b/40-5,i))b=4*a*a;x.fill()

Oct 4 2018 2:12 PM UTC

}// 133/140

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u/firegodjr

#plasma

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