Dweets awesomed by u/mcdxn

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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mcdxn

remix of d/12858 by u/vinca

function u(t) {

for(c.width|=0,j=20,t*=.3,x.font="4em'";j--;){for(i=6;i>0;i-=6/99)r=99*S(3*i)+40*j,x.fillText("🍄",1e3+r*S(i+j*T(t)),500+r*C(i+j*S(t)))}

Apr 4 2019 4:48 AM UTC

}// 135/140

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vinca

function u(t) {

for(0==t&&(c.width=960,x.translate(480,270),A=.03),X=480,Y=(0|50*t)%540-270;X>=-480;--X)T(A*X)*T(A*Y)>S(A*A*X*Y)&&x.fillRect(X,Y,1,1)

Mar 24 2019 8:00 AM UTC

}// 133/140

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Show more comments…
u/katkip

This is #beautiful! How did you discover this?
u/Xen

Love it!
u/magna

WOW!
u/aleamb

dude!
u/vinca

I found a formula using this tool https://imgur.com/GKPVSJd
u/aleamb

#math #inecuation
u/robbyg

Awesome stuff, and thanks for sharing the tool! 111 bytes (but with no slow reveal): if(!t)for(Y=V=270,A=.03;V>-Y;V--)for(H=X=480;H>-X;H--)T(A*H)*T(A*V)>S(A*A*H*V)&&x.fillRect(H*2+X*2,V*2+Y*2,2,2)

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vinca

function u(t) {

for(c.width|=0,j=20,t*=.3,x.font="4em'";j--;){for(i=6;i>0;i-=6/99)r=99*S(3*i)+40*j,x.fillText("🍄",1e3+r*C(i+j*S(t)),500+r*S(i+j*S(t)))}

Mar 22 2019 1:31 PM UTC

}// 135/140

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pavel

remix of d/9294 by u/cantelope

function u(t) {

for(i=w=c.width|=q=6.2832;i--;x.arc(960+S(p=(i>>1)*q/9-t)/Z*w,540+C(p)/Z*w,Z*Z,a=-t%q,a))Z=2+(i-1&-2)%98-8*t%2,i%98||x.beginPath(x.stroke())

Feb 6 2019 2:02 AM UTC

}// 140/140

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#uncompressed

u/cantelope

gotta hand it to you 👏
u/pavel

Playing it safe on the arc angle, modding it by 2pi just to avoid the bug on Safari.

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Agnes

function u(t) {

with(x)for(c.width|=i=9,scale(m=100,m),font='2px A',fillText("🚚",r=20-t*(1+.2*C(t)),6);i--;fillRect(Math.min(4+i+S(t)*3,r+i/2-4),4,.5,2));

Mar 9 2018 1:49 PM UTC

}// 138/140

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Show more comments…
u/fujimotos

Haha, good.
u/jylikangas

Awesome! Reminds me of Shikato animations. :D
u/aleamb

Lol! nice!
u/Xen

love it :-)
u/magna

LOL
u/M1T0

haha very smart
u/Agnes

#default
u/joeytwiddle

#physics
u/micahcowan

#truck #emoji
u/vain

haha... great idea and impressive implementation

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