Top dweets by u/rodrigo.siqueira

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: #Food

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rodrigo.siqueira

remix of d/17222 by u/tomxor

function u(t) {

c.style='filter:invert('
for(a=b=0,i=1e4;i--;a+=(i*t/b&1)/9-a*a+b*S(a/9),b+=C(a*4.6)*2.5)x.fillRect(a*4e3-500,b*200+66,.2,t<3)

Sep 3 2023 10:04 PM UTC

}// 126/140

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Overlapped fractal structure

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rodrigo.siqueira

remix of d/28314 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=1e4,i);x.fillStyle=R(H=C(i/9)**2*i,H/20,H/35),(r=i--/(89-++t%89));)x.fillRect(960+T(i*i)*r/2,S(i)*r/2+540,K=i>>11,K)

Aug 30 2023 1:52 PM UTC

}// 137/140

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Galaxy expansion

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rodrigo.siqueira

remix of d/28264 by u/rodrigo.siqueira

function u(t) {

for(c.width%=X=2e3;X--;x.fillRect(X,Y*600+200,1,3e3))for(Y=1,k=9;k--;Y-=f(t/2-f(3**k*X/1918))/2**k)f=n=>2*(n+~n+.5)**2

Aug 8 2023 7:24 PM UTC

}// 118/140

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Pulsating Blancmange waves

u/robbyg

My eyes can't decide what is foreground and what is background. I think it all depends on the edges: when the black is further up the edge, white is foreground.
u/cantelope

nice

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rodrigo.siqueira

remix of d/28208 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(i=2e4;i--;x.fillRect(980+C(K=2/a-1/S(a+C(t/2))+C(i+t))*500*a+(S(a+t*3)*99),(C(a+t*6)*99)+570-S(K)*400*a,5*a,a*5))a=S(i*i)**2

Aug 1 2023 11:22 PM UTC

}// 139/140

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Bouncing spiral

u/cantelope

wild
u/andrea270872

wow

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rodrigo.siqueira

remix of d/28144 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter=`invert(`
for(i=2e4;i--;x.fillRect(1150-C(K=1/a+S(i)+t/999)*880*a,760-S(K)*640*a+S(K*8+t)*40*a,a*4,4*a))a=(i**.8)%1

Jul 19 2023 2:01 AM UTC

}// 139/140

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Floating Spiral #spiral

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rodrigo.siqueira

remix of d/28101 by u/rodrigo.siqueira

function u(t) {

for(c.width<<=i=2e4;i--;x.fillRect(960+C(K=i+t/4+1/a)*740*a,540+S(K)*490*a,30*a,30*a))a=(i/C(i*2)+t/6)%2-2

Jul 7 2023 9:46 PM UTC

}// 106/140

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The double spiral vortex #vortex #spiral

u/UEZ

looks great, maybe inverted colors would be nicer.
u/UEZ

no, inverted doesn't look better imho ^^
u/NoName

very fun

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rodrigo.siqueira

function u(t) {

for(i=8e3;i--;x.fillRect(960+q*S(u=i*i*t)/K*800,540-S(i/t)/K*3e3,t<6,S(K/99+3)*9))q=9|C(i),K=q*S(u)+9

Jun 30 2023 4:02 AM UTC

}// 101/140

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Construction #1

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rodrigo.siqueira

function u(t) {

w='';for(i=120*S(t/C(t/4))**2;i-->0;window.scrollTo(0,B.scrollHeight))w+=" "
document.write(w+`dwitter<br><body bgcolor=0 text=#0c5 id=B>`)

Jun 26 2023 9:17 PM UTC

}// 139/140

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Dwitter Scroll at 60 lines per second. #text

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rodrigo.siqueira

remix of d/28025 by u/rodrigo.siqueira

function u(t) {

for(i=W=2e3;i--;x.fillRect(X-w,Y*t+w*t,1,1)){X=i,Y=39/t;for(w=3;w<39;w/=.6)A=(X/t+t*w/3)%w-w/2,X-=A*C(D=1-A*A/w/w*4)-Y*A*D*t/9,Y-=A*D/t}

Jun 22 2023 2:21 AM UTC

}// 136/140

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White roots

u/magna

Love it!

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rodrigo.siqueira

remix of d/27961 by u/taupelink

function u(t) {

for(i=1e4;i--&&t<5;x.fillRect(80*X,60*Y,(Y/f&1)%2,(X^f))%1)X=i*t%26+1,Y=i/t%18,f=1+(T(X)-C(Y+S(X/9)))**2,f+=C(X)**-7/f,x.globalAlpha=f/8

Jun 12 2023 1:42 PM UTC

}// 136/140

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u/Xen

nice style!

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