Dweets by u/ciaccodavide

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: #Opposites

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ciaccodavide

remix of d/21544 by u/ciaccodavide

function u(t) {

for(i=3e3;i--;)T=t*(i+t)*i%3,X=~~T%2==0?X/f:(W-X)/f+X,Y=T<2?Y/f:(W-Y)/f+Y,x.fillRect(X,Y,3,3)}{f=X=Y=3,W=1920

Feb 1 2021 3:02 PM UTC

}// 109/140

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#sierpinski

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ciaccodavide

remix of d/21539 by u/ciaccodavide

function u(t) {

for(i=3e3;i--;)T=t*(i+t)*i%3,X=~~T%2==0?X/f:(W-X)/f+X,Y=T<2?Y/f:(W-Y)/f+Y,x.fillRect(X,Y,3,3)}{f=X=Y=2,W=1920

Feb 1 2021 3:02 PM UTC

}// 109/140

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#sierpinski

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ciaccodavide

remix of d/21542 by u/ciaccodavide

function u(t) {

f++
for(i=3e3;i--;)K=t+(i+t)+i%4,X=C(~~K%2==0?X/f:(W-X)/f+X)*W/3+W/2,Y=C(3*(K<2?Y/f:(W-Y)/f+Y))*444+540,x.fillRect(X,Y,1,1)}{f=X=Y=3,W=1920

Feb 1 2021 2:59 PM UTC

}// 139/140

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chaos prisoner

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ciaccodavide

remix of d/21541 by u/ciaccodavide

function u(t) {

f++
for(i=3e3;i--;)K=t*(i+t)*i%4,X=C(~~K%2==0?X/f:(W-X)/f+X)*W/2+W/2,Y=C(K<2?Y/f:(W-Y)/f+Y)*540+540,x.fillRect(X,Y,1,1)}{f=X=Y=3,W=1920

Feb 1 2021 2:52 PM UTC

}// 135/140

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very old photo of the Golden Gate Bridge

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ciaccodavide

remix of d/21539 by u/ciaccodavide

function u(t) {

for(i=3e3;i--;)T=t*(i+t)*i%4,X=C(~~T%2==0?X/f:(W-X)/f+X)*W,Y=S(T<2?Y/f:(W-Y)/f+Y)*1080,x.fillRect(X,Y,1,1)}{f=X=Y=2,W=1920

Feb 1 2021 2:45 PM UTC

}// 122/140

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ciaccodavide

remix of d/21539 by u/ciaccodavide

function u(t) {

for(i=3e3;i--;)T=t*(i+t)*i%4,X=~~T%2==0?X/f:(W-X)/f+X,Y=T<2?Y/f:(W-Y)/f+Y,x.fillRect(X,Y,1,1)}{f=X=Y=3,W=1920

Feb 1 2021 2:42 PM UTC

}// 109/140

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ciaccodavide

function u(t) {

for(i=3e3;i--;)T=t*(i+t)*i%4,X=~~T%2==0?X/f:(W-X)/f+X,Y=T<2?Y/f:(W-Y)/f+Y,x.fillRect(X,Y,1,1)}{f=X=Y=2,W=1920

Feb 1 2021 2:42 PM UTC

}// 109/140

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ciaccodavide

remix of d/21446 by u/ciaccodavide

function u(t) {

f=(i,j=i%1,k=~~i,m=j*j*(3-2*j))=>S(k*k)*m---m*S(--k*k)
c.width|=0
for(Y=126;Y-=9;)for(i=2e3;i--;)x.fillRect(i,Y*9-81,f(i/32+S(Y+t/2)*Y),81)

Jan 25 2021 6:56 PM UTC

}// 139/140

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Noise bands with bending lines #illusion

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ciaccodavide

remix of d/18086 by u/pavel

function u(t) {

f=(i,j=i%1,k=~~i,m=j*j*(3-2*j))=>S(k*k)*m---m*S(--k*k)
c.width|=0
for(Y=126;Y-=9;)for(i=1920;i-=24;)x.fillRect(i,Y*9-81,f(i/32+5*t)*24,81)

Jan 25 2021 6:52 PM UTC

}// 138/140

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Eyesmelting Barcode

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ciaccodavide

function u(t) {

t?onmousemove=e=>x.lineTo(e.x,e.y,x.stroke()):c.width=568

Jan 25 2021 6:39 PM UTC

}// 57/140

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Smallest (?) #interactive line drawer

u/Xen

love it!

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