Dweets awesomed by u/lionleaf

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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LAGENT

function u(t) {

for(c.width=192,x.font="40px A",_=["▼","▲"],i=0;i<6;i++)for(j=0;j<3;j++)Math.random()>.02&&x.fillText(_[(i+j)%2],40+20*C(t)+15*i,37+28*j);

Mar 1 2017 5:04 PM UTC

}// 138/140

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u/donbright

super

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ObjectDisoriented

function u(t) {

for(i=0;i<10;i++){
var q=3*t+i
for(j=0;j<4;j++){
x.fillStyle=R(S(j)*255,C(j)*255,0)
x.fillRect(20*q*S(q+90*j),20*q*C(q+90*j),25,25)
}
}

Mar 1 2017 4:38 PM UTC

}// 135/140

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ObjectDisoriented

function u(t) {

for(i=0;i<10;i++){
var q = 3*t + i
for(j=0;j<4;j++){
var r = q +90*j
x.fillRect(1000+20*q*S(r),500+20*q*C(r),5*j,5*j)
}
}

Mar 1 2017 4:38 PM UTC

}// 121/140

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FireFly

function u(t) {

f = (c, y, s) => x.fillRect(t*120, 540 + y*120, s, s, x.fillStyle = c)
f('#999', 0, 2)
f('#F00', S(T(S(T(S(t))))), 4)
f('#00F', T(C(t)), 4)

Mar 1 2017 3:02 PM UTC

}// 139/140

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Two interesting functions. T(C(x)) in particular looks a lot like a rounded triangle wave, which is pretty handy… mostly posting this as a meta-dweet/for reference. :)

u/sigveseb

perfect stuff for putting a community wiki!

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Niklas

function u(t) {

for(c.width|=0,q=100,i=q;i--;)for(a=i*.031+t*5,j=q;j--;)b=j*.031+t*5,x.fillRect(500+10*i+q*C(b),240+5*j+q*S(a),3,3);

Mar 1 2017 1:29 PM UTC

}// 116/140

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u/SpecialAgent

nice cloth :)

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sawaxon

remix of d/1669 by u/sawaxon

function u(t) {

c.width|=0;for(j=1;j<40;j++)for(i=1;i<40;i++)x.fillRect(900+S(10+i/(S(t*j)*20)/2000)*j*40,500+C(i/((t+142)/10))*j*20,S(j*i)*j/3, S(j*i)*j/3)

Mar 1 2017 10:33 AM UTC

}// 140/140

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Niklas

remix of d/1665 by u/Niklas

function u(t) {

for(c.width|=0,q=128,i=q;i--;)a=i*(6.28/q)+t,x.fillStyle='hsl('+S(a)*S(t)*180+',99%,50%)',x.fillRect(960+C(a)*600,540+S(a)*C(t)*300,20,20);

Mar 1 2017 10:18 AM UTC

}// 139/140

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Niklas

remix of d/1578 by u/Niklas

function u(t) {

for(c.width|=0,q=80,r=.485,i=q;i--;)for(a=i*r+t,k=12*q+C(a)*q*3,l=7*q+S(a)*S(t)*q*3,j=q;j--;)b=j*r,x.fillRect(k+C(b)*q*C(a),l+S(b)*q,3,3);

Feb 28 2017 10:39 PM UTC

}// 138/140

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magna

function u(t) {

n=64;for(j=n;j--;)for(i=n;i--;c=j<6&i<16?'@疄㖄ᖄ犜'.charCodeAt(j)-n&2<<i:S(t+=t*t|5),x.fillStyle=R(c*=255,c,c),x.fillRect(i*30,j*16,n,n));

Feb 28 2017 10:38 PM UTC

}// 135/140

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Live feed from Amazon Data Center - Feb 28, 2017

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Bombo

remix of d/1563 by u/Bombo

function u(t) {

 f=(l)=>Math.random()*l;c.width=h=1920;v=h/2;for(j=0;j<h;j+=85,x.fillStyle=R(f(99),0,j,.1))for(i=0;i<f(v);++i)x.fillRect(h-j,v-f(i)*3,80,80)

Feb 28 2017 10:26 PM UTC

}// 140/140

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