Dweets by u/yonatan

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: #ScaryMovies

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yonatan

function u(t) {

c.width|=X=Y=0
for(i=3e3;i--;s=i/59+9,x.globalAlpha=i*i/2e7,x.fillRect(960+(X+=C(d))*s/9,540+(Y+=S(d))*s/9,s,s))d=S((t+i)/33+t*9|0)*88

Oct 14 2020 6:28 PM UTC

}// 134/140

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remix of a deleted dweet by u/ntsutae

u/katkip

this is the 2d version of https://js1024.fun/demos/2020/4
u/ntsutae

Perfect, Thanks!
u/sigveseb

cool!

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yonatan

remix of d/10191 by u/yonatan

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𞐹𛁩🐲𩐳𞱩𛐭𞱾𚁱𯁙𚐦𝀦𙠱🀼𚁙🀼𜡼𬐪𜠩𙠳𝐹𝁼𯁸𛡦𪑬𫁒𩑣𭀨𝐰𚱃𚁭𚐪𬠬𭐪𜠲𛑓𚁭𚐪𬠯𜰬𝠬𝐩𚑡👩𛰱𞀬𬠽𚀹𚱃𚁩𚐩𚠶𚡓𚁓𚁵🐳𛑩𛰶𝠶𚐪𚠮𝐩𛁸𛡦𪑬𫁓𭁹𫁥👒𚁧👃𚁴𚐪𤰨𫐽𭀪𜠫𨐩𚠳𝰷𛁧𛰲𚐬𦐽𭐪𜰭𝀬𬐽𨐥𝠮𜰊`.replace(/u../g,'')))

Oct 13 2020 7:23 PM UTC

}// 139/140

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on/off #pumpkin

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yonatan

remix of d/19937 by u/tomxor

function u(t) {

for(c.width=240,i=22;i--;x.fillText(u,S(i+t/i)*99-2e3,9+(499+S(t)*299)/i))x.font=299/i+'px _',x.filter=`blur(${Math.abs(i-(S(t)*6+6))*.3}q`

Sep 13 2020 8:14 PM UTC

}// 139/140

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u/Xen

nice!

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yonatan

remix of d/18827 by u/yonatan

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵪㴱㤻椽樭ⴾ㸱㭸⹢敧楮偡瑨⡸⹦楬氨⤩⥰㴨㌪⡴⭩⩩⼹⤥㈭ㄩ⨪㈪㤹Ⱬ㵪┲ⱸ⹥汬楰獥⡱㴵㐰⭩⨹㤫匨琫椯㤩⨴〰⭫⨨瀭㤹⤬欿㜰〭瀺㐰〫瀪㈬欿㌰⵰⼱ㄺ㈰Ⱬ㼴㨲〬〬〬㤩㬻`.replace(/u(..)/g,"$1%")))

May 17 2020 5:55 PM UTC

}// 132/140

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wonky #default

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yonatan

remix of d/18826 by u/yonatan

function u(t) {

c.width|=0
t||(v=p=0)
p=p>1?(v=-v*.99,1):p+v
v+=.01
x.arc(960,200+p*400,99,0,9)
x.ellipse(960,900-p*200,400-p*300,50,0,0,9)
x.fill()

May 16 2020 9:14 PM UTC

}// 132/140

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u/dupusia

Lol
u/pavel

p=1-(S(6*t)**2)**.5
u/pavel

p=(4*t%2-1)**2 is better and more accurate
u/yonatan

oh, that's actually *much* better
u/joeytwiddle

#bounce

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yonatan

function u(t) {

c.width|=0
t||(v=p=0)
p=p>1?(v=-v*.99,1):p+v // <-- fancy comma trick!
v+=.01
x.arc(960,200+p*400,99,0,9)
x.fill()

May 16 2020 9:00 PM UTC

}// 114/140

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yonatan

remix of d/15697 by u/jlidbeck

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;x.fillRect(i,j,1,S(u-C(v))*S(v+C(u))/2+.5))m=S(t),n=C(t),q=m*n,u=(a=i-50)*m+(b=j-26)*q,v=b*m-a*q

May 15 2020 3:30 PM UTC

}// 131/140

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u/sigveseb

Awesome pattern
u/danny@hille.dk

WebGl version here -> http://glslsandbox.com/e#70767.0

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yonatan

function u(t) {

x.fillStyle='#0006';x.fillRect(0,0,q=2e3,q);for(i=500;i--;)x.clearRect((i**5+t*(i*i%q))%q,i*3-99,3,3)

May 13 2020 7:51 PM UTC

}// 101/140

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yonatan

remix of d/17945 by u/yonatan

function u(t) {

with(x)for(c.width=i=200;i--;beginPath(stroke()))setLineDash([i/(2+S(t))]),strokeStyle=R(255-i),arc(99,56,S(i/66)**2*20,q=S(i/9)+t,q+9);

May 11 2020 8:50 PM UTC

}// 136/140

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u/katkip

bakugan

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yonatan

remix of d/16091 by u/yonatan

function u(t) {

for(i=2e3;j=9,i--;n=T<0,x.fillRect(i,t*90-n*T,1,n*T*2+1,x.fillStyle=R(a=255-n*t*t,a,a)))for(T=1;j--;T+=C((i-99*S(t*k))*k/t/99)*t*45/k)k=2**j

May 11 2020 9:24 AM UTC

}// 140/140

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shoreline #slowdraw

u/KilledByAPixel

nice (but slow)

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