Top dweets by u/smtsjhr

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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smtsjhr

function u(t) {

c.width=1920;n=40;d=50;
for(i=0;i<n*n;i++){
k=i%n;j=(i-k)/n;f=(j*k+n*n)*t/1000;
x.fillRect(d*j,d*k,d*S(f),d*C(f))}

Mar 11 2020 5:27 AM UTC

}// 114/140

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smtsjhr

function u(t) {

c.width=1920;
x.lineWidth=3;
x.beginPath(); 
for(i=0;i<400;i++){
k=4000*.98**i;
x.lineTo(960+k*S(i*.02*t),540+k*C(i*.02*t));
}
x.stroke();

Sep 4 2019 8:58 AM UTC

}// 139/140

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Line Spiral

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smtsjhr

function u(t) {

c.width=1920;h=540;r=.996;
s=.999+.009*C(t);
x.beginPath(); 
for(i=0;i<1000;i++)
x.lineTo(960-480*r**i*S(i*s),h+h*r**i*C(i/s));
x.stroke();

Sep 4 2019 5:27 AM UTC

}// 139/140

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wink wink ; )

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smtsjhr

function u(t) {

for(c.width|=i=99;i--;x.lineWidth=9,x.stroke())x.lineTo((r=400+S(t)**4*60*S(i/13))*S(a=-i*.0645)+960,-r*C(a)+540)

Dec 1 2022 11:48 PM UTC

}// 115/140

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RE:: (im)perfect circle https://twitter.com/dominikus/status/1598370…

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smtsjhr

remix of d/21514 by u/smtsjhr

function u(t) {

a=t/2%20|0
c.style.filter='invert()blur(4px)';for(c.width|=i=600;i--;){x.lineTo(1e3+2e3*S(i/(C(i*8)>0?a:a*S(a))+2),500+1e3*S(i))}x.stroke()

Feb 4 2021 12:44 AM UTC

}// 139/140

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CobWeb SlideShow

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smtsjhr

function u(t) {

for(c.width|=i=56;k=(500+9*C(t*i/9))*.99**i,i--;)x.lineTo(960+k*S(i*(a=6.28/(2+(0|t)%7-t%2*(t%2>1)))),540-k*C(i*a));x.fill('evenodd')

Nov 14 2020 9:45 PM UTC

}// 133/140

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u/Qwitter

cool

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smtsjhr

remix of d/20299 by u/smtsjhr

function u(t) {

w=S(t/4)**2
m=0|(8+50*w)
s=(c.width|=0)/m
for(k=m*m;a=[u=k%m*s,v=(k/m|0)*s,s,s],l=v-u*w,k--;)s<l&&l<2*s?x.fillRect(...a):x.strokeRect(...a)

Oct 19 2020 5:05 PM UTC

}// 139/140

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i will retire this experiment now. the concept looked much neater in my head before trying it : /

u/smtsjhr

i would really appreciate if anyone can reference any similar dweets : )
u/KilledByAPixel

Looks cool to me! 👍
u/neimad

I like it!
u/Qwitter

Reminds me of Ye old 512 macpaint fatbits!

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smtsjhr

remix of d/20296 by u/smtsjhr

function u(t) {

m=99
s=(c.width|=0)/m
for(k=m*m;a=[u=k%m*s,v=(k/m|0)*s,s,s],l=v-3*u*S(t)**2,k--;)s<l&&l<6*s+4*s*C(3*t)?x.fillRect(...a):x.strokeRect(...a)

Oct 19 2020 4:29 PM UTC

}// 138/140

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low-res line render with variable width (change m=99 to change resolution)

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smtsjhr

remix of d/19851 by u/smtsjhr

function u(t) {

c.width|=0
for(i=300;x.beginPath(),i--;x.fill())x.arc(960+120*C(a=.15*i+t/5)*(k=1.01**i),600+60*S(a)*k,10*k*(1+S(i/10-3*t)),0,7)

Sep 6 2020 5:39 AM UTC

}// 129/140

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POV treading half-toned water at the Eye of the #storm

u/Qwitter

wow!

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smtsjhr

function u(t) {

(l=S(t/2)**2)<.01?b=a=t%6:a=b
for(c.width|=i=0;i<200*l;i++){k=(2e3+40*C(t*i))*.97**i;x.lineTo(960+k*S(i*a),540+k*C(i*a))}x.fill('evenodd')

Aug 18 2020 3:18 AM UTC

}// 138/140

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a bit on edge

u/Xen

nice!! #waitforit

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