Dweets awesomed by u/erin

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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BackendForth

function u(t) {

if(!t)x.translate(590,540),a=0
x.rotate(a)
a+=(Math.random()-.5-a/3)
x.fillRect(0,0,11,8)
x.translate(9,0)

Apr 3 2021 2:42 AM UTC

}// 106/140

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doodling

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contone

function u(t) {

r=Math.random
c.style.filter="contrast(20"
x.font="300px c"
for(i=0;i<255;i+=20){
x.fillStyle=R(i,i,i,0.11)
x.fillText("🐓",r()*2e3,r()*2e3)}

Apr 1 2021 6:24 PM UTC

}// 140/140

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chicekn

u/erin

i like these patterns

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Xen

remix of d/22317 by u/Odog8

function u(t) {

x.fillStyle=R(L=Math.random()*255,L/2,T(t*L)*L,.1,e=frame)
x.fillRect(e%35*55,~~(e/35)*55%1e3,99,L)

Mar 31 2021 8:51 PM UTC

}// 99/140

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quick play

u/andrea270872

cool. if you could control the shape that emerges from the layering, it would be amazing!
u/howeb

Awesome. I like the emergence of new shapes/colors

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New_Core

function u(t) {

for(c.width|=j=6;j--;x.lineWidth=20,x.stroke(),x.beginPath())for(i=9;i--;)x.lineTo(960+(a=9-i)*i*9*C(t/3+j),960-i*i*j*3*S((j/2+t/5)%3.14))

Mar 31 2021 5:02 PM UTC

}// 138/140

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Some kind of line fingers art

u/andrea270872

makes me think of fire... if you draw it with a pencil :)

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Xen

remix of d/22312 by u/ciaccodavide

function u(t) {

x.drawImage(c,z=-99,z,2118,1278)
x.drawImage(stats.dom.firstChild,680+C(t)*z,440-S(t)*z,500,300)

Mar 31 2021 2:16 PM UTC

}// 96/140

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quick play

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magna

remix of d/22309 by u/magna

function u(t) {

for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))X=i%64,Y=i>>6,v=S(t*3+(Y-18)*(X-32)/39),x.fillStyle=R(v*99+99,X+S(t/2)*99&63^Y,T(t))

Mar 31 2021 5:27 AM UTC

}// 140/140

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Composite effects

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magna

remix of d/22298 by u/magna

function u(t) {

f=_=>S(t*3+(Y-18)*(X-32)/99)
for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))v=f(X=i%64,Y=i>>6),x.fillStyle=R((v+1)*99,X^Y)

Mar 31 2021 4:44 AM UTC

}// 131/140

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Xen

remix of d/22302 by u/erin

function u(t) {

for(e=c.width|=i=9,x.globalCompositeOperation='xor',x.fillRect(0,540,e,e);i--;)x.fillRect(400+i*99+S(t)*300,400+C(i+t*4)*19,50,200)

Mar 30 2021 11:17 PM UTC

}// 131/140

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tiny fix

u/erin

sick!!!
u/erin

i was trying to make it look like it was a wave
u/erin

so if anyone wants to try to make the bottom black part move with the rectangles, please try

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erin

remix of d/11739 by u/katkip

function u(t) {

c.width=e=1920,x.globalCompositeOperation='xor',x.fillRect(0,540,e,e)
for(i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)

Mar 30 2021 2:47 PM UTC

}// 124/140

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golf because why not, implementation is significantly more boring

u/New_Core

for(c.width|=i=9;i--;x.rect(0,540,e=2e3,e))x.rect(400+i*99+S(t)*300,400,50,200) x.fill("evenodd")

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magna

remix of d/22291 by u/magna

function u(t) {

f=_=>S(t+Y/5+S(X/7+t))
for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))v=f(X=i%64,Y=i>>6),x.fillStyle=`hsl(${v*80},99%,${(v+1)*50}%`

Mar 30 2021 5:06 AM UTC

}// 140/140

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