Dweets by u/rodrigo.siqueira

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/33673 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=3e4;i--;x.fillRect(960+X/Z,540-Y/Z,.1,t<2))r=S(w=i*i/t)/C(w),X=S(k=i/2+r**-.4)*700,Y=C(k)*700,Z=C(S(i))*4-1/r

Apr 30 2025 6:00 PM UTC

}// 140/140

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4-fold inner spiral

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rodrigo.siqueira

remix of d/33669 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=4e4;i--;x.fillRect(960+C(k=i*20+r+r**r)*2e3/Z,560-S(k)*2e3/Z,.1,t<5))r=S(i*i/t)-t,Z=C(S(i*50))*13-1/r**S(r*3)

Apr 29 2025 1:35 PM UTC

}// 140/140

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Star fold

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rodrigo.siqueira

remix of d/33668 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=5e4;i--;x.fillRect(960+C(k=i*20+r*1+r**r)*3e3/Z,540-S(k)*3e3/Z,.1,t<5))r=S(w=i*i/t)-t,Z=C(S(i*50))*17-2/r/r/3

Apr 29 2025 1:37 AM UTC

}// 140/140

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Flower of light

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rodrigo.siqueira

remix of d/33664 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;x.fillRect(960+C(k=i*2+r*6)*880/Z,520-S(k)*870/Z,.1,t<5))r=S(w=i*i/t)**S(w)-.01/t,Z=C(S(i*3))*6-1/r

Apr 28 2025 8:44 PM UTC

}// 138/140

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Triple dynamic object

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rodrigo.siqueira

remix of d/33659 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter=`invert(1)`
for(i=1e4;i--;x.fillRect(960+X/Z,560-Y/Z,3,2))
r=S(i*i),X=S(k=i/3)*740,Y=C(k)*740,Z=C(S(i/4-t/4))*4-.4/r

Apr 28 2025 1:55 PM UTC

}// 140/140

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Trefoil star rotation #knot

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rodrigo.siqueira

remix of d/33655 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()`
for(i=3e4;i--;x.fillRect(960+X/Z,560-Y/Z,.1,t<3))r=S(i*i/t)/S(i*i)**t,X=S(k=i/3)*840,Y=C(k)*830,Z=C(S(i/4))*4-.4/r

Apr 27 2025 6:27 PM UTC

}// 140/140

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Trefoil Knot emanation

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rodrigo.siqueira

remix of d/33654 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;)r=4*S(i*i/t)/S(i*i),Y=r*C(k=i/3)*200+60,Z=r*C(S(i/4))+.3,x.fillRect(960+r*S(k)*200/Z,560-Y/Z,.1,t<3)

Apr 26 2025 1:52 PM UTC

}// 140/140

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Dot of light on the Trefoil Knot

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rodrigo.siqueira

remix of d/33649 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(1)`
for(i=1e4;i--;x.fillRect(960+X/Z,420-Y/Z,.1,t<3)){r=S(i*i/t)/S(i*i)
X=S(k=i/2)*840
Y=C(k)*830
Z=C(S(i/4))*4-.4/r}

Apr 25 2025 5:06 PM UTC

}// 140/140

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Dot of light

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rodrigo.siqueira

remix of d/33642 by u/rodrigo.siqueira

function u(t) {

for(i=5e4;i--;x.fillRect(960+Y/Z,X/Z+540,.1,t<2))r=(z=t<.8?1/t:0)+S(i/1.6/t),X=r*C(k=i/1.4/t)*800,Y=r*S(k+k*z)*800,Z=r**S(i)*2

Apr 23 2025 11:10 PM UTC

}// 126/140

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7-circle overlay in a box

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rodrigo.siqueira

remix of d/33637 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(960+Y/Z,X/Z+590,.1,t<3))r=S(i/2/t),X=r*C(k=i/1.4/t)*940,Y=r*S(k)*940,Z=r*S(k/2)/1.5+r**S(i)*2.4

Apr 23 2025 3:01 PM UTC

}// 120/140

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3x7 double circle symmetry

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