Dweets awesomed by u/myro

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: #ScaryMovies

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myro

function u(t) {

w=1080;c.width=w
for(r=0;r<w;r++){a=(r+t*60)%6.28
u=r*T(a**a)
v=r*1/S(a)
x.rotate(.003),x.fillText('o',u+w/2,v+w/4)}

Dec 1 2021 10:03 AM UTC

}// 116/140

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3D attractor?

u/Xen

nice!

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myro

function u(t) {

x.font = '5vw x' ;
x.translate(10, 4)
for (i=63; i--; x.fillText('.', i, t))x.rotate(C(t/2))

Dec 1 2021 9:22 AM UTC

}// 92/140

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Computer lab ms paint

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myro

remix of d/22398 by u/Xen

function u(t) {

x.fillRect(z=t*50,z,z,t),x.rotate(T(t))

Dec 1 2021 7:05 AM UTC

}// 39/140

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Messy furr

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myro

remix of d/18534 by u/myro

function u(t) {

c.style.filter=`blur(.5vw)contrast(49`
c.width=1920
for(i=0;i<400;i++){
u=(t+i)%24-2
v=5*S(t+i)+i-u*9
x.fillRect(u*99,v*7,v,v*2)
}

Dec 1 2021 6:44 AM UTC

}// 130/140

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u/andrea270872

very nice effect!

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myro

remix of d/18548 by u/myro

function u(t) {

w=c.width=1e3
for(i=0;i<w;i++){
r=240**S(i+t/2)
a=8*T(i+t/8e9)
u=2*r*C(a)
v=r*S(a)
x.fillStyle=R(a,r,w*C(t))
x.fillRect(u+w/2,v+w/4,20,20)}

Apr 29 2020 11:55 PM UTC

}// 139/140

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blossom

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myro

remix of d/18548 by u/myro

function u(t) {

w=1080;c.width=w
for(r=0;r<w;r++){
a=(r+t*60)%6.28;u=r*C(a);v=r*S(a)
x.fillStyle=R(200+v,u*300/r,200-v)
x.fillRect(u+w/2,v+w/4,r/5,r/5)}

Apr 29 2020 9:55 PM UTC

}// 136/140

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rainbow whirlpool

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myro

function u(t) {

c.width=1920;t%=8;n=t*10-25
for(i=1;i<20;i++){t+=.06
v=100+200*(-2+(t)*2%4)**2
x.fillStyle=R(v,i*2*n,5*n)
x.fillRect(32*(i+n),v,i*8,i*8)}

Apr 29 2020 6:51 PM UTC

}// 137/140

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just passing

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myro

function u(t) {

w=1080
c.width=w
for(r=0;r<w;r++){
a=(r+t*59)%6.3
u=2*r*C(a)
v=r*S(a)
x.fillStyle=R(-v/2,r/2,(w-r)*.2)
x.fillRect(u+w/2,v+w/4,r/5,r/5)
}

Apr 29 2020 4:27 PM UTC

}// 136/140

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whirlpool

u/myro

playing around w polar coordinates

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myro

function u(t) {

c.width=1920
for(i=0;i<400;i++){
u=(t+i)%24-2
v=5*S(t+i)+i-u*9
x.fillStyle=R(255,(300-v)*S(t*7+v),u)
x.fillRect(u*99,v*7,v,v*2)
}

Apr 28 2020 7:03 PM UTC

}// 129/140

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burn

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cantelope

function u(t) {

for(x[g='fillStyle']='#0003',x[f='fillRect'](0,0,w=i=1920,i);i--;x[f](b%w,(b/w|0)%1080,9,9))x[g]=`hsl(${b=(i+w+t/99)**2.3} 99%50%`

Apr 20 2020 7:04 AM UTC

}// 130/140

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no Math.random

dwitter.net | myro (137)