Top dweets by u/Lynx

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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Lynx

function u(t) {

for(i=0;i<100;x.fillStyle=R(127,++i*2,i)){y=540+0.5*7.5*t*t*(i%2?-1:1);x.fillRect(i*7.5*t,y,20,20)
x.fillRect(1920-i*7.5*t,y,20,20)}

Dec 4 2020 2:38 PM UTC

}// 132/140

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fun with physics formulas (newbie to dwitter)

u/joeytwiddle

When you pop into the supermarket because you need two eggs

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Lynx

function u(t) {

x.fillStyle='darkred'
x.fillRect(0,0,1920,1080)
x.fillStyle='black';s=0
for(i=1;i<11;s=S(t*i++/5))x.fillRect(500+i*75,500,35,-(5+127*s*s))

Dec 8 2020 11:17 AM UTC

}// 138/140

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calm sine visualizer (newbie)

u/magna

Stylish!

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Lynx

function u(t) {

x.fillStyle=R(0,127+S(t)*S(t)*127,127+C(t)*127)
w=540
f=960
a=1920/f
b=a*2
x.fillRect((t%b>a?a-(t%b-a):t%b)*f,S(t)*w+w,15,15)

Oct 17 2020 6:32 PM UTC

}// 125/140

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Eventually, a 3D tube is formed...!

u/Tangil

The ending looks really cool!
u/smtsjhr

#waitforit

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Lynx

function u(t) {

for(i=0;i<100;i++){for(j=0;j<100;j++){x.fillStyle=R(0,S(i*t)*255,C(t)>0?C(j*t)*255:0)
x.fillRect(460+j*10,40+i*10,10,10);
}
}

Oct 17 2020 10:07 AM UTC

}// 125/140

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my first published dweet!

u/Xen

welcome to the dwitter family!

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Lynx

function u(t) {

c.width+=0
for(i=0;i<1920;i++){X=i/100+t*10
x.fillRect(i-100-100*C(t*i),540+S(X)*100,10,10)
x.fillRect(i-100-100*S(t*i),540+C(X)*100,10,10)}

Dec 12 2020 2:49 PM UTC

}// 140/140

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glitchy snake [newbie - i feel like the two fillRect calls could be compressed as only C and S are different - how?]

u/pavel

S(x+i%2*pi/2) or (i%2?C:S)(x)

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