Dweets awesomed by u/agentultra

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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jylikangas

function u(t) {

for(X=c.width=450;X--;x[f](X%50*5+t%23*9,0,3,X))x[f='fillRect'](X-X%5*25,99+S(X*5)*5-(h=9*S(X%64/16))+(X>>6)*25%50,1,h*2)&x[f](X*2,50+h,9,1)

Mar 17 2018 8:47 AM UTC

}// 140/140

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Scanimation Fish

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u/Lynext

Genius!
u/magna

If some technique exists, there's a dweet version of it.
u/sigveseb

this is so impressive :)
u/sigveseb

https://www.youtube.com/watch?v=LCIsIfEOEI8 some more inspiration for other dweets perhaps!
u/iverjo

#fish
u/aleamb

#scanimation
u/pythech

blew my brains out
u/rep_movsd

#illusion
u/rep_movsd

#underrated
u/vain

this blow me away! How...? O.o

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Batrachus

function u(t) {

for(c.width*=j=1;j<11;j*=10)for(a=Math.exp(t%2.3),i=-45;i<45;i++){x[f="fillRect"](d=i*20*j*a+960,0,b=5-5/a/j,1e9);x[f](0,d-420,1e9,b)}

Feb 27 2018 1:18 AM UTC

}// 134/140

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u/joeytwiddle

Calculus
u/Batrachus

Don't know why I used exp, when I could have used pow
u/BirdsTweetCodersDweet

Pow doesn't work on Chrome for me for some reason
u/joeytwiddle

#infinite #loop

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yonatan

function u(t) {

x.fillRect(0,0,1,1)
x.drawImage(c,t&3?0:960,t&1?0:540,960,540)

Feb 26 2018 8:20 PM UTC

}// 62/140

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give it a few seconds

u/Xen

nicely done, i have a 58bytes on here somewhere but smaller image

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Batrachus

function u(t) {

a=1920
c.width+=0
x.fillRect(0,0,a,a)
for(i=0;i<a;i++){e=2+C(i*i)
d=(t+9)*e*a/30
x.clearRect((S(i)*a+d)%a,(T(i)*a+d*4)%a,3*e,3*e)}

Feb 26 2018 5:29 PM UTC

}// 130/140

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u/UEZ

#snowfall

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jylikangas

function u(t) {

c.width=W=512;for(i=W;i--;h=W/d,x.fillRect(i,99-h/2,2/d,h))for(d=1,X=97,Y=t*9;C((X>>3)*(Y>>3))<.9;d+=.06)X+=C(t+i/W),Y+=S(t+i/W)
//B.J.=lost

Feb 25 2018 10:56 AM UTC

}// 140/140

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My 1st dweet - some Wolfenstein 3D fun. :)

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u/aleamb

nice!!!
u/BirdsTweetCodersDweet

What's up with that weird comment at the end?
u/jylikangas

B.J. is the main character from Wolfenstein and in the demo he is obviously lost. Thus the code is properly commented. :)
u/cantelope

looks familiar :P https://www.dwitter.net/d/2961
u/jylikangas

Wolfenstein tributes should look familiar. :) p01 is a legend!
u/iverjo

Wow!
u/iverjo

#wolfenstein

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agentultra

remix of d/7061 by u/agentultra

function u(t) {

c.width|=0,d=C(t)*300,f=100
for(i=0;i<20;i++)
x.strokeStyle=R(C(t)*d,0,d),x.arc(960+S(i)*d,5.6*f+S(i*t)*d,f,S(t)*d,360),x.fill(),x.stroke()

Feb 24 2018 2:59 AM UTC

}// 139/140

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agentultra

function u(t) {

c.width|=0,d=C(t)*300,f=100
for(i=0;i<30;i++)
x.strokeStyle=R(C(t)*d,0,d),x.arc(960+S(i)*d,5.6*f+S(i*t)*d,f,S(t)*d,360),x.stroke()

Feb 24 2018 2:43 AM UTC

}// 130/140

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snydej

function u(t) {

f=(w,s,a)=>x.fillRect(w*2%1910,w%1080,s,s,x.fillStyle=R(a,a,a,a))
for(f(0,i=3e3,.06);--i;)f(t**(i<9?9:i<14?1:0)*200+i**4.7,3,255*S(i+t)**2)

Feb 24 2018 1:25 AM UTC

}// 139/140

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DirtyDan

remix of d/7051 by u/DirtyDan

function u(t) {

with(x)for(i=32;i-->2;)fillStyle=`hsl(${i*t*9},100%,50%)`,lineWidth=i*2,beginPath(arc(960+C(a=t*i/3)*i,540+S(a)*i,i*i/2,0,7),fill(stroke()))

Feb 23 2018 2:34 AM UTC

}// 140/140

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u/aleamb

beautiful!
u/fons

dope
u/zanella

Nice color palette!
u/iverjo

Good colors indeed
u/Xen

love it

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DragonKyn

function u(t) {

c.width|=0
for(i=5e3;v=i--/800;){
s=4*S(t)*S(9*v)
q=s*2
s*=1-q/3*(1-q/25)
k=100*(4-q*(1-q/14))
x.fillRect(900+k*C(s+=v+t),520+k*S(s),11,9)
}

Feb 21 2018 8:06 PM UTC

}// 140/140

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u/Bugsy

Nice! Any particular reason you didn't initialize i to 6e3? That'd take care of that gap you have in one of the tendrils
u/joeytwiddle

#spiral

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