Top dweets by u/DirtyDan

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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DirtyDan

remix of d/6999 by u/DirtyDan

function u(t) {

with(x){lineWidth=b=44
fillStyle="#FFF"
for(i=0;i<b;i++)beginPath(),arc(960+S(a=t*i/b*4)*275,540+C(a)*275,i*3,0,b/7),stroke(),fill()}

Feb 20 2018 2:55 AM UTC

}// 133/140

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DirtyDan

function u(t) {

a=540
for(i=0;i<a;i+=10)
for(j=0;j<a;j+=10)x.fillStyle=`hsl(${j/a*i},100%,50%)`,
x.fillRect(960+i*C(t*i/300),540+j*S(t*i/300),5,5)

Feb 13 2018 8:40 PM UTC

}// 130/140

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DirtyDan

remix of d/6409 by u/DirtyDan

function u(t) {

c.width=1920
for(i=b=540;i>0;i-=.5)x.beginPath(),x.ellipse(a=960+i*S(t+i*2.5),i*2,i/b*200,i/b*50,0,0,44/7),x.stroke()

Jan 25 2018 1:40 AM UTC

}// 117/140

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Made huge improvements on the original

u/@no_identd

Remix: https://www.dwitter.net/d/6449

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DirtyDan

remix of d/5711 by u/DirtyDan

function u(t) {

b=540
x.beginPath()
x.strokeStyle=R(a=255,a,a)
for(i=0;i<b;i++){x.lineTo(q=960+i*C(r=i/b*t*t),s=b+i*S(r))
x.fillRect(q-4,s-4,8,8)}x.stroke()

Jan 8 2018 7:19 PM UTC

}// 140/140

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inverted the colors

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DirtyDan

function u(t) {

a=1920
b=540
p=Math.PI*2
c.width=a
for(i=-a/2;i<a/2;i+=20)for(j=0;j<b;j+=20)x.fillRect(a/2+i,b+b*C(j/b*p*S(t))*S(i/a*p*(t*3+C(t)))-9,36,18)

Jan 6 2018 10:19 PM UTC

}// 140/140

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DirtyDan

remix of d/5459 by u/DirtyDan

function u(t) {

c.width=1920;p=Math.PI*2;x.beginPath();a=540;for(i=0;i<480;i++){b=p*(i/480)*T(t/4);x.lineTo(0,a+a*S(b));x.lineTo(i*4,a+a*-S(b))}x.stroke()

Jan 4 2018 5:06 PM UTC

}// 138/140

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Optimized for coolness/smoothness

u/coderkid

Dweet #5500 ! :D

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DirtyDan

remix of d/7143 by u/kwin

function u(t) {

p=11/7
d=120
c.width=d*8
x.arc(200,270,d,t*p,t*p+p*4)
for(i=0;i++<560;)x.lineTo(200+i,270+d*S((t+i/d)*p))
x.stroke()

Mar 6 2018 3:07 AM UTC

}// 116/140

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Golfed it a good bit

u/artfarnaa

https://www.youtube.com/watch?v=Q55T6LeTvsA

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DirtyDan

remix of d/6905 by u/DirtyDan

function u(t) {

a=540
for(i=0;i<a;i+=10)
for(j=0;j<a;j+=10)x.fillStyle=`hsl(${j*i/a},100%,50%)`,
x.fillRect(960+i*C(t*i/300),540+j*S(t*j/300),5,5)

Feb 13 2018 11:36 PM UTC

}// 130/140

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DirtyDan

remix of d/6905 by u/DirtyDan

function u(t) {

c.width+=0
for(i=0;i<540;i+=10)
for(j=0;j<540;j+=10)x.globalCompositeOperation='xor',
x.fillRect(950+i*C(t*i/300),530+j*S(t*i/300),20,20)

Feb 13 2018 11:35 PM UTC

}// 137/140

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DirtyDan

remix of d/5507 by u/DirtyDan

function u(t) {

c.width=960;p=Math.PI*2;x.beginPath();a=480;for(i=0;i<270;i++){b=p*(i/135)*T(t);x.lineTo(a+a*S(b),0);x.lineTo(a+a*-S(b)*C(t),i*2)}x.stroke()

Jan 4 2018 7:04 PM UTC

}// 140/140

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Reduced the size and amount of lines to run well on mobile

dwitter.net | DirtyDan (506)