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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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baon

remix of d/28942 by u/baon

function u(t) {

t?onmousemove=e=>m=1.5-e.x*0.01:m=2
for(c.width|=0,i=3e3;i--;x.fillRect(960+X,540+Y,5,5))
X=400*S(m+i/2),Y=400*C(i**0.5)

Nov 25 2023 4:39 AM UTC

}// 121/140

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cylinder rotate, #square, #noise

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baon

remix of d/28913 by u/baon

function u(t) {

c.width=512
for(i=0;i<128;i++) for(j=0;j<72;j++) a = C(i^j+i**2+j**0.3+60*t)<0.5,
x.fillStyle=R(0,0,0,1-a),x.fillRect(i*4,j*4,4,4)

Nov 22 2023 2:17 PM UTC

}// 130/140

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baon

remix of d/28910 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++) a = C(i^j)<0.5,
x.fillStyle=R(0,0,0,1-a),x.fillRect(i*4+450,j*4,4,4)

Nov 22 2023 2:02 PM UTC

}// 122/140

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baon

remix of d/9561 by u/f8f82804

function u(t) {

p =a=> 255*0.5*( 1+C(a) )
x.fillStyle=R( p(t), p(t-2), p(t+2) )
x.fillRect(0,0,2e3,2e3)

Nov 22 2023 1:55 PM UTC

}// 87/140

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colorful

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baon

remix of d/28906 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i+8|j+8)%16,x.fillStyle=R(0,0,0,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 11:12 AM UTC

}// 125/140

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#grid

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baon

remix of d/28905 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i^j&16)%32,x.fillStyle=R(0,0,0,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 11:09 AM UTC

}// 124/140

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#pattern

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baon

remix of d/28904 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = i&j ,x.fillStyle=R(0,0,0,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 11:03 AM UTC

}// 117/140

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#fractal

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baon

remix of d/28902 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = i&j ,x.fillStyle=R(i|j,i^j), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:59 AM UTC

}// 117/140

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baon

remix of d/28901 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = i&j ,x.fillStyle=R(a/1,a/16,a/4), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:56 AM UTC

}// 122/140

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baon

remix of d/28900 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i)^31 ,x.fillStyle=R(a/16,a/4,a/1), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:51 AM UTC

}// 125/140

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#palette#color