Dweets awesomed by u/@no_identd

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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Knifa

remix of d/6350 by u/Knifa

function u(t) {

_=48
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+(i-_/2)*(j-_/2)/_
$=S(r)
x.fillStyle=R($*255,C(r*2)*255*$,j*$*9)
x.fillRect(i*_,j*_-$*_,_*2,_*2)}

Jan 22 2018 10:43 PM UTC

}// 139/140

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u/Lazy1337

#plasma

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nickd3000

remix of d/599 by u/iverjo

function u(t) {

for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-S(t),Y=i+C(t),x.fillStyle=R(v=9/(j*j%Y*Y)+2/(X*X+i*i),v/4),x.fillRect(j*240+960,i*240+540,12,12)

Jan 22 2018 10:33 PM UTC

}// 140/140

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u/aleamb

cool!
u/Qwitter

Extra awesome
u/donbright

flash gordon
u/rikardlindstrom

Wow!
u/magna

OMG

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@no_identd

function u(t) {

for(i=0;i<1;i++)
x.fillStyle=R(T(frame)*127,S(t)*255,T(t)*63)
x.fillRect(i*1.324718**t*t+400,C(t)*20,S(t)*t*C(t),1080/t/4)

Jan 22 2018 8:45 PM UTC

}// 122/140

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@no_identd

remix of d/6354 by u/@no_identd

function u(t) {

c.width^=0
_=96
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+i+j
w=r/.5698403
$=S(r)*_
x.fillStyle=R(w*64,S(w),w*4)
x.fillRect(i*_-$/2,j*_-$/2,$,$)}

Jan 22 2018 7:57 PM UTC

}// 140/140

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u/sigveseb

Very stylish

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@no_identd

remix of d/6350 by u/Knifa

function u(t) {

c.width^=0
_=96
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+i+j
w=r/.5698403
$=S(r)*_
x.fillStyle=R(C(w),w*64,w*4)
x.fillRect(i*_-$/2,j*_-$/2,$,$)}

Jan 22 2018 7:53 PM UTC

}// 140/140

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@no_identd

remix of d/6350 by u/Knifa

function u(t) {

c.width^=0
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+i+j
$=S(r/0.7548777)*_
x.fillStyle=R(C(r/3)*255,S(r/3)*255)
x.fillRect(i*_-$/2,j*_-$/2,$,$)}

Jan 22 2018 7:28 PM UTC

}// 140/140

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Knifa

function u(t) {

c.width^=0
_=96
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+i+j
$=S(r/3)*_
x.fillStyle=R(C(r/3)*255,S(r/3)*255)
x.fillRect(i*_-$/2,j*_-$/2,$,$)}

Jan 22 2018 7:23 PM UTC

}// 137/140

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@no_identd

remix of d/6331 by u/Xen

function u(t) {

v=23
for(l=499;l--;)d=(l*t/9)%v*v,x.fillStyle=`hsl(${t*l-l+d},99%,65%)`,x.fillRect(960+S(r=S(t-d/126.869896)+l*1.3324789)*d,540+C(r)*d,v,v)

Jan 22 2018 6:22 PM UTC

}// 139/140

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There's no sense in using those numbers there in that way. But I tried it anyway and damn.

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Knifa

remix of d/6343 by u/Knifa

function u(t) {

c.style.background='black'
for(i=0;i<192;i++)for(j=0;j<32;j++){q=i-96;r=j-16
x.fillStyle=R(S(t*q*r/10)*255)
x.fillRect(i*8+200,j*8+360,8,8)}

Jan 22 2018 4:51 PM UTC

}// 140/140

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u/41407

Cool! Change first line to c.style.background=R(0) to get it done in 137 chars :)
u/Knifa

cheers! didn't think of that :D
u/zanella

You can reduce to 136 actually! c.style.background=R()

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Knifa

remix of d/6341 by u/Knifa

function u(t) {

for(i=0;i<64;i++)for(j=0;j<64;j++){q=i-40;r=j-40
x.fillStyle=R(S(t*q*r/99)*255,T(t*q*r/99)*255,C(t*q*j/99)*255)
x.fillRect(i*32,j*32,32,32)}

Jan 22 2018 4:45 PM UTC

}// 140/140

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