Hot dweets by u/pavel

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: #Opposites

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pavel

function u(t) {

for(i=c.width|=m=0;i--;m=1)x.globalAlpha=.3+m/3,z=C(i*i)-1.07,x.fillRect(m&&960*(z+2-(i**.2+t/3)%4)/z,540-m*32/z,s=m?i%9/z:2e3,32*s)

Jan 3 2020 1:46 AM UTC

}// 132/140

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Train ride

u/KilledByAPixel

👍
u/katkip

#perspective

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pavel

function u(t) {

f=n=>n&&C(t*f(n-1))
t?X=(333+X+C(a+=f(9)/15))%333:X=Y=a=98
Y=(180+Y+S(a))%180
for(i=2;i--;x.fillRect(X*6-d*S(a),Y*6+d*C(a),8,8))d=i%2?24:-24

Jan 3 2020 5:16 AM UTC

}// 140/140

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Invisible car

u/andrea270872

nice. could it work to create a zen-garden look?

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pavel

function u(t) {

for(i=c.width|=q=C(t);i--;x.fillRect(960+2e3*(X-j*q)/Z,540+46*s,s,-99*s))j=(i/30+t)%64,X=S(a=j+t)-S(t)+1.5/S(a*a),Z=j+X*q,s=42*(1+q*q)**.5/Z

Jan 1 2020 1:25 AM UTC

}// 140/140

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Where am I?

u/andrea270872

3d forest POV... love it!
u/lionleaf

Arashiyama? Or maybe Wolfenforest 3D?
u/joeytwiddle

I like to take the corners gently with q=-S(t)/2

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pavel

remix of d/701 by u/sigveseb

function u(t) {

for(let i=4e3,j,s;j=--i>>4;x.fillRect(960+(j%8*2+i%2-8.5+C(t))*s,540+(i%16-8.5+S(t))*s,s,s))x.fillStyle=R(s=666/((j>>3)+1-t*7/11%1),s/2,s/4)

Dec 27 2019 10:14 PM UTC

}// 140/140

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Show more comments…
u/lionleaf

Oh nice! You added forward movement
u/iverjo

Great remix!
u/New_Core

d/15165 ;)
u/katkip

instead of that let you can use i=4e3,j=s=0
u/pavel

The let is only there for performance to use up free chars. j and s don't need initializing. But i at 4e3 cant do 60fps without let on my machine.
u/pavel

Can just do i=2e3 if you are remixing and need chars
u/katkip

oh, i understand
u/sigveseb

awesome
u/Cloud

Wow

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pavel

remix of d/16972 by u/yonatan

function u(t) {

for(i=n=c.width|=0;--i;x.fillRect(960+C(i/9)*y+S(3*t)*y-(k||((i&2)-1)*(2+i%7)*y),540-y,2*k||y/7,k/42||i%9*y))y=3/((i+27*t)/n%1-1),k=i%2*y

Dec 26 2019 1:34 AM UTC

}// 137/140

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u/ivylab

I don't even ... this is so cool, like a forest
u/pavel

This thing ((i&2)-1)*(2+i%7) takes so many characters. If somebody can figure out a shorter way to generate random-ish positive and negative numbers that aren't too close to zero that would be awesome. 7*C(i) is almost perfect but gets close to zero so you'd have trees on the path.
u/pavel

Oh! 3/C(i) works well here, but has no bound which will be an issue in other contexts.
u/KilledByAPixel

👍
u/iverjo

Random Forest!

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pavel

function u(t) {

for(x.fillRect(0,0,i=c.width=960,i);i--;x.fillText(i*i,480+i*C(a)/4,i*.6))k=i%2,x.fillStyle=R(k*i,!k*i,0,.6+S(a=i/20+3*k-S(t))/2)

Dec 25 2019 8:04 PM UTC

}// 129/140

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Merry #christmas

u/pavel

#tree

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pavel

function u(t) {

for(c.width|=f=o=>4/(1+99**(o-(t+i)%3*8)),x.scale(i=60,i);i--;x.strokeRect(17-X,6+Y,2+X-f(8)+f(19),2+f(1)-f(14)-Y))X=f(7)-f(20),Y=f(2)-f(13)

Dec 18 2019 10:45 PM UTC

}// 140/140

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Oleg Frolov | Dribbble (sped up due to golfing)

Show more comments…
u/pavel

https://dribbble.com/shots/5836300-Loader-XL…
u/KilledByAPixel

👍
u/katkip

wow
u/katkip

good #loading
u/iverjo

This is cute
u/sigveseb

looks better sped up, too!
u/Leodude123

can i use this as a loading animation?
u/vain

Wonderfull animation !! <3

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pavel

function u(t) {

for(x.fillRect(0,0,i=2e3,i),v=540;Y=S(b=--i**3);x.clearRect(960+v*X/d,v-v*Y/d,Z*=6,Z))Y/=Z=1.2+C(++t)*C(b),X=S(t)*C(b)/Z,d=X*X+Y*Y+.1

Dec 19 2019 3:48 AM UTC

}// 133/140

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Black hole

u/Leodude123

wwwwwwwwwwwwooooooowwwww!!!!!!!!

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pavel

remix of d/16909 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(x.globalAlpha=.1,0,i=2e3,i);r=--i*S(t/3);x.clearRect(960+r*S(a)*C(i)/z,540-r*S(i)/z,s=z>0&&6/z,s))z=1+r/2e3*C(a=i*i+t/9)*C(i)

Dec 19 2019 11:08 PM UTC

}// 140/140

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#stars #explosion

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pavel

remix of d/16929 by u/Xen

function u(t) {

c.width|=e=144/89
for(b=frame;n=--b/60;x.fillText(n**n|0,960+b*S(a)*C(t)/z,540+b*C(a)/z))z=1-S(a=e*b)*S(t)/3,x.font=(15/z|0)+'px"'
throw e

Dec 20 2019 8:09 PM UTC

}// 138/140

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Remix Chain 3

u/Xen

oooo nice!
u/Odog8

yeahh!

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