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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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danny@hille.dk

remix of d/22145 by u/danny@hille.dk

function u(t) {

with(x)save(m=a=>Math.random()*a),translate(m(w=2e3),m(w)),fillStyle=`hsl(${m(w)},99%,50%,.3`,rotate(m(6)),fillRect(0,0,m(99),w),restore()

Mar 25 2021 9:10 PM UTC

}// 140/140

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danny@hille.dk

function u(t) {

function rnd(){
  return Math.random();
}
x.fillStyle=R(255*rnd(),255*rnd(),255*rnd())
x.fillRect(rnd()*1920,rnd()*1080,rnd()*255,rnd()*255)

Mar 25 2021 7:19 PM UTC

}// 140/140

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Challenge: remix this dweet - golf it! Rules: It has to produce shapes randomly sized, placed and colored. Anybody want to play?

Show more comments…
u/danny@hille.dk

winner is the dweet with most awesomes Judge by creativity or size
u/erin

does it have to use RNG or can we do some other math equation that is random enough
u/danny@hille.dk

u/erin whatever makes you happy, as long as you play :-)
u/erin

awesome
u/Xen

i did a quick one
u/magna

Golfed down to 75: d/22152

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Xen

remix of d/22137 by u/BackendForth

function u(t) {

t/=199
for(c.width|=i=1e3;i--;x.lineTo(960+i*C(Z=z+t-i),540+i*S(Z)))x.beginPath(x.stroke()),x.moveTo(960+i*C(z=i*t),540+i*S(z))

Mar 25 2021 4:19 PM UTC

}// 127/140

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quick play

u/Xen

As with most things, Feed it time.

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RallerenP

remix of d/2236 by u/z3vin

function u(t) {

r=Math.random;y=c.width;z=c.height;x.fillStyle=R(t*S(t)*40);for(i=0;i<3e3;i++)x.fillRect(p=r()*y,o=r()*z,5,5);x.clearRect(p-99,o,o/2,z)

Mar 25 2021 4:06 PM UTC

}// 135/140

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u/magna

urbanization intensifies
u/Xen

nice! #waitforit

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Xen

function u(t) {

for(c.width|=i=z=499;i--;)x.fillRect(z+i%9*99+S(t)*z,z+(i&9**C(t+i)*t%z),50,9)

Mar 25 2021 4:05 PM UTC

}// 78/140

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#Default #DNA

u/danny@hille.dk

i think there is some mutation going on :-)

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Xen

remix of d/22139 by u/RallerenP

function u(t) {

for(c.width|=i=18;i--;x.fillRect((400+i/2*99)+(S(z?t:-t)*400),400+z*99,50,99))z=i&1

Mar 25 2021 3:49 PM UTC

}// 83/140

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slight golf

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rodrigo.siqueira

remix of d/22027 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=9;i--;x.fillRect(i*99-430,T(i+t*8)*99-250,50,540))x.setTransform(C(t)*2,S(t)/2,S(t/2),C(S(t/5)*i*1.5+t),960,540)

Mar 25 2021 3:43 PM UTC

}// 127/140

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Throwing #default pieces (with rotation)

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RallerenP

function u(t) {

c.width=1920;
for(i=18;i--;i&1?x.fillRect((p=500+i/2*100)+(o=S(t)*400),500,50,100):x.fillRect(p-o,400,50,100));

Mar 25 2021 2:49 PM UTC

}// 112/140

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u/Xen

nice!
u/aleamb

#default

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BackendForth

function u(t) {

for(c.width|=i=0;i<6.28;i+=.0628)x.beginPath(),a=99*i,x.moveTo(960+a*C(i*t+t),540+a*S(i*t+t)),x.lineTo(960+a*C(i+t),540+a*S(i+t)),x.stroke()

Mar 25 2021 12:50 PM UTC

}// 140/140

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u/Xen

nice patterns there

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carlcrede

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<t;i+=.1)
x.arc(1000+(S(t)*20*i),500,i**2,t*i,Math.PI**t)
x.stroke()

Mar 25 2021 11:13 AM UTC

}// 110/140

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Spiralz