Top #OpticalIllusion dweets

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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katkip

remix of d/14466 by u/katkip

function u(t) {

x.fillRect((t*999)%3840-1920,0,c.width=1920,2e3);for(i=9;i--;)x[frame%.4<.2?'fillRect':'clearRect'](400+i*100+S(t)*300,400,50,20+200)

Jun 6 2019 2:27 PM UTC

}// 133/140

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That #default #opticalillusion #illusion #transition

u/metamero

what is the optical illusion on this?? oh, i see, it's the illusion that is cool to flood dwitter hashtags with random stuff
u/13thptr

I didn't look at the code but the default bars look kinda grey at some point

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magna

remix of d/3675 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(c=(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 20 2017 10:48 PM UTC

}// 139/140

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u/iverjo

#opticalillusion

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magna

function u(t) {

w=c.width=384;for(i=w*216;i--;x.fillRect(X,Y,1,1))X=i%w,Y=i/w|0,x.fillStyle=R(c=X+1&30|Y+4&24&&Y+1&30|X+4&24?(X^Y)&32?183:205:255,c,c)

Dec 20 2017 10:31 PM UTC

}// 134/140

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#opticalillusion

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