Dweets awesomed by u/Chippackage

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: #ScaryMovies

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Xen

remix of d/27310 by u/gpolonus

function u(t) {

x.arc(960+S(t)*t,540+C(t)*t,t*=t,0,t)
x.strokeStyle=`hsl(${t*96} 50%50%`
x.beginPath(x.stroke())

Mar 30 2023 11:08 PM UTC

}// 96/140

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inna '96 Style.

u/gpolonus

🤩

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Xen

remix of d/27301 by u/Xen

function u(t) {

with(x)for(i=1e3;i--;beginPath(stroke()))arc((i*t+C(t+i)*i)%2e3-99,(t*i+S(i)*i)%1234,90,0,9),strokeStyle=`hsl(${i*(t^i)},90%,${C(i)*69}%,.1`

Mar 30 2023 8:16 PM UTC

}// 140/140

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play 2

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Xen

remix of d/27200 by u/Xen

function u(t) {

for(c.width|=a=i=w=512;i--;x.lineTo(w+C(a+=t|0)*w+w,w+S(a)*w))e=S(t+i*2)*w,x.fillText(a,w+w+C(a)*e,w+S(a)*e),x.moveTo(w+w,w);x.stroke()

Mar 14 2023 7:25 PM UTC

}// 135/140

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135, more golf & more play.

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hoplite

remix of d/26555 by u/hoplite

function u(t) {

x.fillRect(0,0,i=w=c.width=2e3,w);for(;i--;x.clearRect(S(a)*z+(S(a/9e2)+2)*500,C(a)*z+(S(a/7e2)+2)*250,w/i,w/i))T=t*99,a=i-T%1,z=w*39/a,a+=T

Dec 7 2022 11:19 AM UTC

}// 140/140

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u/UEZ

#tunnel

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hoplite

remix of d/5165 by u/hoplite

function u(t) {

i=w=c.width=800;for(;i--;)T=t*99,z=w*39/(i-T%1),a=i+T-T%1,x.fillRect(S(a)*z+(S(a/w*2.3)+2)*200,C(a)*z+(S(a/w*1.7)+2)*100,w/i,w/i)

Dec 2 2022 8:24 PM UTC

}// 129/140

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mxfh

remix of d/24028 by u/mxfh

function u(t) {

for(w=710,r=113,τ=w/r,c.width|=i=0;i<2e4;i+=τ/2+S(t/7)/20)x.arc(w,w,i**(-.7+T(t/5)/9)*1e4,a=i+t,a+τ/16)
x.stroke()

Oct 7 2021 4:17 PM UTC

}// 114/140

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those fractions of τ is a space to explore

u/Chippackage

I love Bézier Animations like this.

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mxfh

remix of d/24011 by u/KilledByAPixel

function u(t) {

for(w=710,r=113,τ=w/r,c.width|=i=0;i<w;i+=τ/3+S(t)/20)x.arc(w,w,i**(-.7+T(t)/9)*1e4,a=i+t,a+τ/4)
x.stroke()

Oct 7 2021 4:10 PM UTC

}// 107/140

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#tunnel #cavern

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KilledByAPixel

remix of d/24009 by u/BackendForth

function u(t) {

for(c.width|=i=0;i<3e3;i+=.1)x.arc(960,540,i**.5*21,a=i+t,a)
x.stroke()

Oct 6 2021 8:54 PM UTC

}// 71/140

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Spiral Makes Circle Moiré

u/magna

Awesome! Also, ouch my eyes.
u/Chippackage

WOW!

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mxfh

remix of d/23536 by u/mxfh

function u(t) {

r=113;c.width|=w=710;for(λ=φ=a=w/r;λ+=a,φ>-a;φ-=.2+S(t/4+φ)/r)x.arc(C(φ)*S(d=λ-t)*r+w,(S(φ+a/4)*C(φ)*C(d))*r+w,φ**4,0,a)
x.fill("evenodd")

Aug 26 2021 8:50 PM UTC

}// 138/140

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slither

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DataMeta

function u(t) {

c.style.filter=`invert(`
with(x)for(c.width|=i=384;i--;)a=192/(i*3),x.fillRect(1920*(T(i)+a*t)%3e3,540+540*S(a*2e3),a*6<12?d=a*6:d=0,d)

Feb 6 2021 3:01 AM UTC

}// 135/140

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flying among the #stars

u/cantelope

#starfield #parallax
u/New_Core

...(the with(x) dont do anything here.. )
u/New_Core

but I totaly understand.. I forget to remove stuff all the time.. ;) ..well done else
u/Qwitter

U="🛸";c.style.filter=invert( with(x)for(c.width|=i=384;i--;x.font="99px A",fillText(U,p=540,p+S(7*t)*p/2))a=192/(i*3),x.fillRect(1920*(T(i)+a*t)%3e3,540+540*S(a*2e3),a*6<12?d=a*6:d=0,d)
u/DataMeta

haha yes, I was mucking about with arcs to start :) thanks

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