Hot dweets by u/Jezza

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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Jezza

remix of d/13813 by u/Jezza

function u(t) {

A=M=(Y=frame)/60-9;for(X=1919;X--;){B=N=X/60-16;for(i=99;i--;)[A,B]=[C(A-B)+M,S(A+B)+N];x.fillStyle=R(Z=A*A*B*B*50,Z,Z);x.fillRect(X,Y,1,1)}

May 14 2019 1:20 AM UTC

}// 140/140

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Try it out with this fillStyle: x.fillStyle=hsl(${Math.atan2(A,B)*180/Math.PI},50%,50%)

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Jezza

function u(t) {

for(D=96,X=1920;X--;x.fillStyle=R(C(B=X/250+t*9)*D+160,S(B)*D+160,192))A=X%192,x.fillRect(X-A+C(A/62)*D+D,S(A/62)*D,1,-D);x.drawImage(c,0,4)

May 8 2019 7:54 AM UTC

}// 140/140

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u/vinca

Beautiful color scheme.

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Jezza

function u(t) {

c.width=1920
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200)
,x.drawImage(c,C(t+i)*480+480,S(t*i+i)*270+270,960,540)

May 1 2019 5:10 AM UTC

}// 127/140

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#default

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Jezza

remix of d/13541 by u/username

function u(t) {

c.width|=0
x.font=`16em'`
for(_=3;_--;)for($=8;$--;)x.fillText(String.fromCodePoint(128e3+_+$+t^0),$*(w=300)-(t*w)%w,w+_*w)

May 1 2019 12:24 AM UTC

}// 124/140

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"What sort of menagerie do you imagine I'm imagining?" - David Mitchell

u/katkip

Noah
u/joeytwiddle

#emoji #animals

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Jezza

function u(t) {

for(i=9,j=.1,X=960,k=Y=540;k/=2,i--;j*=-3)X+=C(t*j)*k,Y+=S(t*j)*k,x.fillRect(X,Y,1,1)

Apr 29 2019 2:38 AM UTC

}// 85/140

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#epicycles #notstrictlyepicycles

u/vinca

Beautiful and minimal code.
u/artfarnaa

Agree, well done.
u/katkip

WTF! You published a #fractal #spirograph with 5 minutes before me! I was gonna create the exact same ideea. Wow

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Jezza

function u(t) {

p=Math.PI;if(t<p){r=(i)=>x.fillRect(i,540+S(t-p/2)*400,100,50);x.font="16em'";x.fillText("witter",600,990);r(C(t-p/2)*666);r(60)}

May 1 2019 9:24 AM UTC

}// 131/140

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Jezza

function u(t) {

c.width|=0;x.translate(960,540);for(j=8;j--;){x.rotate(t/j);for(i=j*8;i--;)x.rotate(Math.PI/j/4),x.strokeRect(110*j,250,50,50)}

May 1 2019 7:44 AM UTC

}// 127/140

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Jezza

remix of d/13497 by u/Jezza

function u(t) {

c.width|=0;for(Y=1188;Y-=27;){x.moveTo(0,Y);for(X=1;X<13;X++)x.lineTo(X*160+(X&1?C(2*t+Y/108)*120:0)*(X&2?1:-1),Y-(X&1?108:0));x.stroke()}

Apr 27 2019 9:20 AM UTC

}// 138/140

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Tweak. (via https://old.reddit.com/r/generative/comments…)

u/aleamb

fucking awesome!
u/Purpzie

Shaved 10 characters but it's super laggy: for(c.width|=0,i=572;Y=(0|i/13)*27,X=(572-i)%13,i--;x.stroke())x.lineTo(X*160+(X&1?C(2*t+Y/108)*120:0)*(X&2?1:-1),Y-(X&1?108:0))
u/Purpzie

Less laggy version that's 4 characters shorter instead of 10: for(c.width|=0,Y=1188;x.moveTo(0,Y),Y-=27;x.stroke())for(X=0;X++<13;)x.lineTo(X*160+(X&1?C(2*t+Y/108)*120:0)*(X&2?1:-1),Y-(X&1?108:0))

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Jezza

function u(t) {

f=540;for(j=2e3;j--;){m=p=S(t/8+j)*2,n=q=C(t/7+j/97)*2;for(i=25;(e=m*m+n*n<4)&&i--;)[m,n]=[m*m-n*n+p,2*n*m+q];x.fillRect(p*f+960,q*f+f,e,e)}

Apr 28 2019 6:49 AM UTC

}// 140/140

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#mandelbrot

u/katkip

Awesome

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Jezza

remix of d/13539 by u/Jezza

function u(t) {

x.fillStyle=`hsl(${99*t},100%,50%)`;x.fillRect(0,0,1920,1);(x.drawImage(c,16,8*C(t)+32,h=928,j=1296),x.drawImage(c,960+16,8*S(t)+32,h,j))

Apr 30 2019 7:46 AM UTC

}// 137/140

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