Top dweets by u/magna

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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magna

remix of d/8686 by u/aemkei

function u(t) {

x.font=a="3em' "
x.fillText("ᴀscii",C=0,40)
d=x.getImageData(t*3,Y=t*120%82,2,D=3).data
for(;D<19;)C+=!d[D+=4]
x.fillText(a[C],t*54,Y*22)

Jun 22 2018 12:36 PM UTC

}// 137/140

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u/aemkei

Very clever! I like that assignment/reuse.
u/aemkei

Could be 128 bytes: x.fillText(a=x.font="3em' ",C=0,40);for(d=x.getImageData(t*3,Y=t*120%82,2,D=3).data;D<19;)C+=!d[D+=4];x.fillText(a[C],t*54,Y*22)

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magna

remix of d/8658 by u/Xen

function u(t) {

for(i=44;i--;x.fillStyle=R(S(i+t)*i,C(t-i)*i,C(i+t)*i))x.fillRect(i*i+S(t-i)*i,0,22,100)
x.drawImage(c,0,0,2e3,1e3,T(T(T(T(t)))),80,2e3,1e3)

Jun 20 2018 3:54 AM UTC

}// 140/140

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TTTTTT :D :D :D

u/firegodjr

Man, this actually feels like a fever dream
u/magna

#glitch

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magna

remix of d/8653 by u/magna

function u(t) {

d=c.toDataURL()
x.font='4em monospace'
x.globalCompositeOperation='xor'
for(i=25;i--;)x.fillText(d.substr(i*61,61),0,i*42+42)

Jun 19 2018 6:10 AM UTC

}// 125/140

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#glitch

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magna

remix of d/7561 by u/magna

function u(t) {

c.width|=0
for(i=19;i--;x.fillText('⭐',250+(u+'').charCodeAt(i)*9,y))y=(i+t*9)*52%1e3,x.font=(x.globalAlpha=S(y/318))*1e3+'% a'

Apr 4 2018 5:55 AM UTC

}// 127/140

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u/aleamb

pretty!
u/iverjo

#stars

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magna

function u(t) {

c.width=960
for(j=60;j--;)for(i=240;i--;x.fillRect(i*4,j*9,4,9))v=t/3,x.fillStyle=`hsl(${120*i},99%,${S(i*T(v)^j*T(v))**2*50}%)`

Mar 28 2018 2:20 PM UTC

}// 128/140

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#crt

u/magna

#rgb

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magna

remix of d/7334 by u/Batrachus

function u(t) {

r=a=>a*Math.random()|0;for(i=w=120;i--;x.fillRect(r(32)*w+b,r(32)*w+b,c=w-2*b,c))x.fillStyle=R((Math.random()<.01)*T,r(T=255),r(T)),b=r(w/2)

Mar 17 2018 4:13 AM UTC

}// 140/140

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#squares

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magna

remix of d/7206 by u/keithclark

function u(t) {

with(x)for(c.width=L=a=255;a-=5;arc(v=S(G+=t)*90+L/2,v/2,a,~beginPath(fill()),6))fillStyle=R(L,G=a%2*L,0,(S(t*16)+1)/2)

Mar 7 2018 8:06 PM UTC

}// 119/140

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magna

remix of d/6496 by u/magna

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=64;i--;)for(x.setTransform(1,0,0,1,i%8*240,(i>>3)*135),j=99;j--;)x.clearRect(120+T(t*j/9)*t,67+T(j/i)*50,3,3)

Jan 26 2018 1:24 AM UTC

}// 139/140

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u/donbright

instinctively reached for the knobs... oh wait, there are no knobs.
u/magna

lol

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magna

function u(t) {

c.width=160;x.filter='sepia(';x.font='192px a';x.fillText('🏞️',-16,120);x.font='99px q';x.fillText('😁',30,90)

Jan 6 2018 9:22 PM UTC

}// 109/140

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Selfie

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magna

remix of d/3676 by u/magna

function u(t) {

w=c.width=384;for(i=w*w;i--;x.fillRect(X,Y,1,1))X=i%w,Y=i/w|0,x.fillStyle=R(X,(X+1&30|Y+4&24&&Y+1&30|X+4&24?(X^Y)&32?4:5:X+Y+6&32?3:7)/9*w)

Dec 21 2017 2:49 AM UTC

}// 139/140

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u/iverjo

#opticalillusion

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