Random dweets | Dwitter

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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dwardu

function u(t) {

u.f=u.f?1:m=μ=b=β=1
r=Math.random
x.beginPath()
x.moveTo(m,μ)
a=b;α=β
b=r()*960;β=r()*540
x.quadraticCurveTo(2*a,2*α,m=a+b,μ=α+β)
x.stroke()

Feb 28 2018 12:19 PM UTC

}// 140/140

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u/katkip

me when bored:

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StarStep

remix of d/7337 by u/p01

function u(t) {

for(c.width=i=W=89;i--;)for(j=0;j++<W;x.fillRect(i,j,1,~z))x.fillStyle=R(z=((d=700/j)*i/W+C(t)&d+t&7)*W/d,z*4,W);x.fillText('🤨',-9*C(t),45)

Mar 16 2018 11:30 PM UTC

}// 139/140

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u/magna

🤨

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rodrigo.siqueira

remix of d/18323 by u/pavel

function u(t) {

for(i=2e3,f=(X,Y,n=89)=>X<9?f(X*X-Y*Y-.8,2*X*Y+.2,n+2):x.fillStyle=`hsl(${n*2} 90%${n/2}%`;i--;x.fillRect(i,t*90,1,900))f(i/490-2,1-t/6)

Apr 19 2020 9:13 PM UTC

}// 136/140

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Color #Julia Set #fractal purple blue rays

u/pavel

Broken on Safari because of the missing space in the hsl
u/katkip

satisfying to watch
u/rodrigo.siqueira

Here is a version (with other colors) working on Safari: https://www.dwitter.net/d/18352

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metaphornado

function u(t) {

c.width=1920;
for(i=0;i<90;i+=1){
r=i*180/Math.PI
x.fillStyle=R(255*C(r),255*T(r),255*S(r))
x.fillRect(i*55,400+i*5*C(t*i+5),50,200)
}

Jul 19 2018 4:07 PM UTC

}// 134/140

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u/micahcowan

#default

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taupelink

remix of d/22481 by u/taupelink

function u(t) {

for(i=k=150;--i;x.fillRect(q*6*X*C(Y)+X,k*8,q>>b,-5*i/t**t))f=i*t,X=f*f%9,Y=X*f%2,x.fillStyle=R(q=t%S(Y+S(X/t))*i<<(b=2+t/5),q*C(q/X%Y),i/2)

Apr 15 2021 2:03 AM UTC

}// 140/140

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d/22503

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kchplr

remix of d/2938 by u/kchplr

function u(t) {

for(c.style='image-rendering:pixelated',c.width=i=130;i--;)for(j=70;j--;)x.fillRect(i,j,1,C(i*i*j*j*8+frame*8&768)<0)

Aug 9 2017 11:11 AM UTC

}// 117/140

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Same as the original but with c.style='image-rendering:pixelated' to look better and the same size

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Thetechguy

function u(t) {

c.width=1920; 
  for(i=0;i<Math.floor(t*400)%360;i++){a=(i*3.14)/180 + 3.14;x.fillRect(960+S(a)*200,540+C(a)*200,10,10);}

Dec 26 2017 11:07 PM UTC

}// 122/140

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MatchaMaze

function u(t) {

//It's Alive >:D
c.width|=0,P=6.28,s=1000
for(i=0;i<s;i++)
x.lineTo(s+S(P/s*i*t)*i,540+C(P/s*i*t*2)*800)
x.fillStyle='#00A'
x.fill()

Aug 8 2018 8:08 AM UTC

}// 132/140

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u/Xen

Nice

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atgz

remix of d/8878 by u/atgz

function u(t) {

for(c.width|=i=256;i--;)x.fillStyle=R(S(t/1.5)*255,S(t*3.14-i)*255,3e4/i),x.fillRect(960+2*i*C(t--+i*.979),512+S(t---i-t)*i*2,i/9,i/9)

Jul 18 2018 8:43 PM UTC

}// 135/140

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you can reverse the direction of rotation just by thinking about it

u/metaphornado

I reversed one of the legs but the rest kept going please send help

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taupelink

remix of d/22448 by u/taupelink

function u(t) {

for(i=k=840;--i;x.fillRect(t*X*C(Y),k-X*S(Y),q/t,i/t/t))f=i*t,X=f*f%k*2,Y=X*f%6.3,x.fillStyle=R(q=i*C((X/9)**C(Y))/t**Y,X%q,X*S(q/k+Y),.1)

Apr 12 2021 3:25 PM UTC

}// 138/140

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d/22452

u/rodrigo.siqueira

I visited this place! It's Monet's pond in Giverny, France. #art
u/rodrigo.siqueira

#monet