Dweets by u/firegodjr

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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firegodjr

function u(t) {

x.beginPath()
c.width|=0
x.stroke()
for(i=500;--i;)x.lineTo(S(k=i*400001+t)*C(i)*400+900,C(k)*400+500)
x.fill("evenodd")

Jun 11 2018 3:52 PM UTC

}// 120/140

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Crystalline

u/pythech

Nice! I was having trouble finding a good constant for evenodd
u/Xen

love it
u/DataMeta

Very cool

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firegodjr

function u(t) {

x.beginPath()
x.fillStyle=R()
c.width|=0
for(i=500;--i;) {
x.arc(S(k=i*(t/2|0)*Math.PI*.01+t)*C(i)*400+900,C(k)*400+500,19,0,9)
}
x.fill()

Jun 11 2018 1:51 PM UTC

}// 138/140

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I love this so much, just changing the 'i' multiplier gives drastically different results :D

Show more comments…
u/pythech

Yeah, I have an endless remix chain on this lol. Not to mention it's not even shortened slightly bit
u/pythech

Maybe we can mix it with different things or make more advanced animations and so on. It has room for that
u/pythech

Aaand... I just deleted it accidentally, great!
u/pythech

d/8554 for the original one
u/magna

Golfed down to 106: d/8576
u/magna

Interactive version: d/8577

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firegodjr

remix of d/3512 by u/New_Core

function u(t) {

v=c.width=400
for(i=40;i--;x.globalAlpha=i/40,x.fillRect(v/2-i*5+S(i+t*8)*30/i,-9-i*4,b=x.shadowBlur=i*10,b))x.shadowColor="#fff"

Jun 8 2018 9:17 PM UTC

}// 129/140

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Enter the forbidden stairway? (Y/N)

u/Xen

Y

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firegodjr

function u(t) {

b=document.body
b.style='text-shadow:5px 5px 5px gray'
b.style.transform='rotate('+S(t)*90+'deg)'
b.innerHTML="<h1>Breaking the rules</h1>"

Jun 8 2018 4:22 PM UTC

}// 140/140

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firegodjr

remix of d/5179 by u/JonasPeeters

function u(t) {

c.width=150
d=new Date
b=5
f=(a)=>{for(i=0;i<60;i++){x.fillText(a==i?i:" "+i,b*16,50-(i-a)*9)}b--}
f(d%6e4/1e3|0)
f(d%6e5/6e4|0)

Jun 7 2018 7:05 PM UTC

}// 128/140

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golfed to 128

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firegodjr

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(new Date/1000)*300,400,50,200) // draw 50x200 rects

Jun 7 2018 2:27 AM UTC

}// 124/140

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#default with variable framerate!

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firegodjr

function u(t) {

v=new Date%2000
c.width=1920
x.fillRect(v-50,500,50,200)

Jun 7 2018 1:59 AM UTC

}// 56/140

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Total framerate freedom!

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firegodjr

function u(t) {

r=Math.random
for(i=y=2e3;i--;)X=r()*y,Y=r()*y/2,x.fillStyle=R(f=(S(X/240-.8)*T(X/120+(X>960?t:-t))+S(Y/200-1))*128,f,f),x.fillRect(X,Y,9,9)

Jun 6 2018 5:02 PM UTC

}// 140/140

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Tangent waves

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firegodjr

function u(t) {

x.globalAlpha=c.width|=1
with(Math)for(i=f=450;i--;)x.fillRect(i*5,sin((i+t*9)/64)*f*sin((i+t*5)/12)+f,5,5*i)

Jun 5 2018 5:43 PM UTC

}// 109/140

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Smooth

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firegodjr

remix of d/8369 by u/BirdsTweetCodersDweet

function u(t) {

for(c.width|=i=1e3;i--;x.beginPath())x.globalAlpha=.1,x.arc(S(t*2+i/50)*i+960,C(t*3+i/50)*i+540,i/9+2,0,7),x.fill()

Jun 4 2018 4:52 PM UTC

}// 115/140

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u/joeytwiddle

I like the shading effect. It makes the tube appear rounded.

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