Dweets awesomed by u/rhys5584

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #ScaryMovies

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pythech

function u(t) {

c.width|=0
with(x)for(translate(900,500),i=10*t;i-->0;fill())beginPath(fillStyle='red'),arc(5*i,0,20*C(i*.9)+30,0,9),rotate(-Math.PI*2*.618)

Jun 18 2018 3:43 AM UTC

}// 140/140

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.618 is an approximation to the golden ratio. Putting .5 == 1/2 will create 2 spokes. Similarly .6 == 3/5 will create 5 spokes.

u/pythech

Inspired by Numberphile: https://www.youtube.com/watch?v=sj8Sg8qnjOg
u/DataMeta

I really dig it!
u/aleamb

love it!
u/zanella

You had me at "golden ratio".

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pythech

remix of d/8630 by u/pythech

function u(t) {

c.width|=0
with(x)for(i=3;i--;stroke())beginPath(lineWidth=r=200*S(t/2)+300),arc(650+250*i,700-i%2*434,(1+C(t))*r*2,z=i*2.095,5.235+z)

Jun 17 2018 8:44 PM UTC

}// 134/140

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u/dorukcakmakci

very nice

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firegodjr

remix of d/8618 by u/firegodjr

function u(t) {

F=a=>((p=1.62)**a-(-p)**-a)/2.2
with(x)for(c.width|=D=10,x.m=translate,m(8e2,9);D--;)strokeRect(0,0,l=F(D+2)*9,l),m(0,F(D)*9),rotate(1.57)

Jun 17 2018 5:51 AM UTC

}// 138/140

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Golden Rectangles

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magna

remix of d/8594 by u/magna

function u(t) {

c.width|=0
x.font='66px"'
for(Y=16;Y--;)for(X=29;X--;)x.fillText([...'🕛🕐🕑🕒🕓🕔🕕🕖🕗🕘🕙🕚'][(X+Y+t*9|0)%12],X*66,Y*66+66)

Jun 13 2018 5:10 PM UTC

}// 114/140

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DataMeta

remix of d/8266 by u/DataMeta

function u(t) {

c.width|=0;p=Math.PI;k=42;for(i=3;i<32;i++){x.lineWidth=i+4;x.beginPath();x.arc(960,540,i*36+S(t/p*i)*k,i*p+S(t-i),i**i);x.stroke()}

Jun 12 2018 9:03 PM UTC

}// 132/140

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Decrease k for a more mellow experience, increase it (up to 108) for more intensity

u/joeytwiddle

*Xen puts in 109*
u/Xen

That 2e2 Though ;-)

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Xen

remix of d/8572 by u/firegodjr

function u(t) {

for(c.width|=Z=i=550;i--;x.beginPath(x.strokeStyle=`hsl(${i*t^Z},90%,20%)`))for(j=2;j--;x.stroke())x.lineTo(2e3*j,Z+C(t+i-j*S(t)*2)*Z)

Jun 12 2018 8:43 PM UTC

}// 134/140

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DataMeta

remix of d/6525 by u/bepisTM

function u(t) {

for(i=50;i--;)x.fillStyle=`hsl(${i-32*t},80%,${i+20-32*S(5*t+i)}%)`,x.fillRect(i*80,900+750*(X=(t+i/7)%2)**4.1-1500*X,80,200)

Jun 11 2018 11:54 PM UTC

}// 125/140

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u/Xen

nice style

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tobias

function u(t) {

for(d=480,c.width=4*d,a=0;a<6.2;a+=.09)z=.7*a*t,s=d*(2+S(a)),o=540+d*C(a),x.moveTo(s,o),x.lineTo(s+d*S(z)-d*S(a),o+d*C(z)-d*C(a)),x.stroke()

Jun 11 2018 7:56 PM UTC

}// 140/140

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u/joeytwiddle

You could do ;x.stroke() for performance

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Xen

remix of d/8543 by u/firegodjr

function u(t) {

for(x.beginPath(c.width|=Z=i=600);--i;)x.lineTo(S(k=i*2+t-C(t+i*4))*C(i)*Z+900,C(k)*Z+Z)
x.fill("evenodd")

Jun 11 2018 7:32 PM UTC

}// 106/140

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Entity

u/firegodjr

It Knows All

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firegodjr

function u(t) {

t?0:x.fillRect(0,0,2e3,2e3)
for(i=26;i--;)
x.fillStyle=R(f=S(i+t)*255,f,f),
x.fillRect(i*100-C(t)*300-300,0,50,2)
x.drawImage(c,0,1)

Jun 11 2018 4:33 PM UTC

}// 132/140

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Liquid Steel

u/Xen

nice style

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