Top dweets by u/jczimm

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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jczimm

function u(t) {

c.width=1920;
for(i=0;i<300;i++)for(j=0;j<6;j++){x.fillRect(960+200*C(i)*S(T(t/1.1)+j/i),540+200*S(i),10,10)}

Feb 22 2017 5:23 PM UTC

}// 109/140

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Show more comments…
u/sigveseb

Very stylish!
u/ninerdelta

nice!
u/Kalanchoe

truly a compact loading spinner!
u/jczimm

Thanks!
u/serko

Any way to view this fullscreen on an iPhone?
u/tischler

Awesome. Negating t makes it more aerodynamic. =)
u/Valscor

This is so cool!
u/over

This would be an amazing loading animation !
u/katkip

This is so easy to make and it has 297 likes
u/Leodude123

ねあt
u/Leodude123

Neat!
u/Scaledish

Could I use this as a animation for my site?
u/jczimm

Yes! Consider it CC0-licensed

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jczimm

remix of d/2659 by u/MrM@_S

function u(t) {

for(c.width=X=256;X-=2;)for(Y=148;Y-=2;x.fillStyle=`hsl(${A=(X*C(t)&Y^(t))&(Y*C(t)+X**S(t))},${A=A*t%50+25}%,${A}%`)x.fillRect(X,Y,2,2)

May 5 2017 3:08 AM UTC

}// 135/140

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u/MrM@_S

Woah! Nice.

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jczimm

function u(t) {

b=t+4.5;t<2.5&&(x.beginPath(x.fill()),x.fillStyle=R(S(b*-23)*127+127,0,10),x.arc(960+50*T(b*10),540+30*S(b/2),b*30,15*b-1,15*b))

Mar 16 2017 11:48 PM UTC

}// 128/140

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u/tapgiles

Beautiful!

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jczimm

function u(t) {

for(c.width+=i=0;++i<99;){for(str="",j=0;++j<99;)str+=String.fromCharCode(3659+S(i*j/6+t*19));x.font=i+'px"';x.fillText(str,300+i*12,1080)}

May 16 2021 8:43 AM UTC

}// 139/140

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jczimm

function u(t) {

c.width=1920;for(i=0;i++<300;)for(j=0;j++<6;x.fillStyle=R(0,0,0,j/8))x.fillRect(960+200*C(i)*S(T(t/-1.1)+j/i),540+200*S(i),10,10);

Feb 22 2017 11:49 PM UTC

}// 130/140

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added opacity

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jczimm

remix of d/25568 by u/taupelink

function u(t) {

eval(unescape(escape`景爨欽㈵㜬洽琿〺㉥㐻洭ⴻ砮晩汬⡸⹳瑲潫攨⤩⥸⹢敧楮偡瑨⡲㵭⨪⡧㵭┨㐰⼵ㄩ⤩Ⱪ㵭╫ⱸ⹬楮敗楤瑨㵲⽩┱ⱸ⹦楬汓瑹汥㵒⠨匨椩⬱⤪㈵㔬椬椩ⱸ⹡牣⡭┹⩫⭩⩃⡭⤬⡭⼷簰⤥㔪欫椪匨洩ⱲⱭⱭ⬹⤠`.replace(/u([^D].)/g,'$1%')))

Jun 4 2022 4:24 AM UTC

}// 140/140

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jczimm

function u(t) {

c.width=80
for(i=36e2;i--;x.fillStyle=R(0,230-i/15,i,T(i/3+t*32)/2+.5))x.fillRect(i%80,i/45,1,1)
x.fillStyle='red';x.fillText('><>',1,25)

Mar 16 2017 5:54 AM UTC

}// 137/140

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u/sfz

wheeeeeeeeeee!

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jczimm

remix of d/888 by u/jczimm

function u(t) {

for(c.width|=i=300;i--;)for(j=6;j--;)x.fillRect(960+200*C(i)*S(T(t/1.1)+j/i),540+200*S(i),10,10)

Mar 16 2017 2:34 AM UTC

}// 96/140

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currently the most minimized version of #888 (shaved 13 bytes)

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jczimm

remix of d/25585 by u/jczimm

function u(t) {

eval(unescape(escape`𩡯𬠨𪰽𜠵𝰬𫐽𜑥𜰻𫐭𛐻𮀮𩡩𫁬𚁸𛡳𭁲𫱫𩐨𚐩𚑸𛡢𩑧𪑮𤁡𭁨𚁲👭𚠪𚁭𙐨𝀳𛰵𜐩𚐩𛁩👭𙑫𛁸𛡬𪑮𩑗𪑤𭁨👲𛱩𙐱𛁸𛡦𪑬𫁓𭁹𫁥👒𚀨𤰨𪐩𚰱𚐪𜠵𝐬𪐩𛁸𛡡𬡣𚁭𙐹𚡫𚱩𚡃𚁭𚐬𚁭𛰷𯀰𚐥𝐪𪰫𪐪𤰨𫐩𛁲𚠨𤰨𜠪𭀫𪐥𞐩𚰲𚐬𫐬𫐫𞐩`.replace(/u../g,'')))

Jun 4 2022 5:05 AM UTC

}// 135/140

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jczimm

remix of d/20354 by u/jczimm

function u(t) {

w=(c.width+=0)/4
for(i=110;i--;)x.fillStyle=R(i*8,i*2,60),x.fillRect(w+w*.6*(i%2*2-1)*(S(i-4.8)*S(t+5)**2),w+w*S(i*.3232)*C(i),40,60)

Oct 22 2020 7:56 PM UTC

}// 133/140

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