Dweets awesomed by u/richev

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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ersagun

function u(t) {

a=t*339525;r=62*t**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Dec 24 2018 3:33 AM UTC

}// 59/140

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Simpler is better right?

u/pavel

56 r=62*t**.5;x.fillRect(r*C(t*=339525)+960,r*S(t)+540,8,8)

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ersagun

remix of d/4868 by u/Pjaerr

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>127*(_(t)+1)));a=t*339525;r=62*t**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Dec 24 2018 2:17 AM UTC

}// 129/140

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I think 339525*t instead of 2.3998*frames is much better. :)

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pavel

function u(t) {

for(c.width=480,x.rotate(X=Y=q=.785),r=6;r--;X+=f(0),Y+=f(2))R=1<<r,x.strokeRect(X+265-R,Y-74-R,2*R,2*R),f=n=>R*Math.atan(16*C(t+(n-r%2)*q))

Dec 23 2018 9:53 AM UTC

}// 140/140

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Squares #beesandbombs

u/katkip

So smooth!

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katkip

function u(t) {

c.width*=1;for(i=340;i--;)x.beginPath(),x.ellipse(960+S(i/3+t)*900,540+C(i/3+t)*300,i,i*2,i,0,1,20),x.fillStyle=i%2?'#ff2':"#f0f",x.fill()

Dec 22 2018 7:04 PM UTC

}// 138/140

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#illusion

u/magna

Wow!
u/joeytwiddle

It really looks like it's moving!
u/katkip

i feel irony

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katkip

remix of d/11520 by u/katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(j=800;j--;)
x.clearRect(960+S(j*8e5+j+C(j+t))*500,540+C(j*8e5+j-S(j))*500,10,10)

Dec 22 2018 3:05 PM UTC

}// 108/140

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Demo of the 8e5 number. It splits lines

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katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(j=800;j--;)
x.clearRect(960+S(j+C(t+j))*300,540+C(-j+S(t+j))*300,10+S(-Math.LN10+j+t)*5,10+S(Math.E*2+j+t)*5)

Dec 22 2018 2:56 PM UTC

}// 137/140

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3D string creates right angles! #d3 #math

u/magna

Right...

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katkip

remix of d/11518 by u/katkip

function u(t) {

c.width*=1;x.font='17cm"';x.fillText('🎅',650,800);x.font='2cm"';for(j=99;j--;)x.fillText('🍪',930+700*C(j+t/8),600+S(t+C(t+t/9+j-t)-j)*300)

Dec 22 2018 2:38 PM UTC

}// 138/140

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Telekinesis Santa #christmas #xmas

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ellisk1

function u(t) {

x.scale(t+=1,t);for(k=4e3;k--;x.fillRect(z=k%34+S(k)*(w=k/2e4),w*4+C(z/5+t)+1,w/2,w))x.fillStyle=S(k*k)<.6?R(0,80+S(k)*50):R(k,k%9*k,k%3*k)

Dec 21 2018 1:28 AM UTC

}// 139/140

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Merry Christmas

u/ellisk1

#christmas #tree

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Xen

function u(t) {

c.width|=i=99
for(x.translate(960,540);i--;x.rotate(C((i*T(t/14))*T(t/9))/i*2))x.rect(Z=-i*9,Z,Y=i*18,Y);
x.fill('evenodd')

Dec 20 2018 9:22 PM UTC

}// 123/140

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https://www.youtube.com/watch?v=y1aVFTetrmY Enjoy ;-)

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New_Core

function u(t) {

for(c.width|=f=i=300;i--;i<9?(x.arc(960+a*30,b+i*90,20,0,7),x.fillStyle=R(i*f,50),x.fill()):0)x.rect(960,b=i*3+50,a=i*S(i*9+t),5*S(i)+9)

Dec 20 2018 3:24 PM UTC

}// 136/140

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Merry Christmas

u/cantelope

#christmas #tree

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