Dweets by u/Xen

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: #Food

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Xen

remix of d/8648 by u/firegodjr

function u(t) {

for(c.width=i=300;i--;)x.lineTo(S(z=t-i/5)*129*C(i*(7^t/3)+t*3)+143,C(z)*79+79)
x.fill()

Dec 3 2019 5:38 PM UTC

}// 88/140

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Wonky

u/Xen

#waitforit

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Xen

remix of d/16774 by u/tomxor

function u(t) {

x.fillText(8,X+=S(Y)*t,Y+=C(X)*t)}{X=Y=540

Dec 1 2019 11:40 PM UTC

}// 42/140

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42 thanks to tomxor

u/KilledByAPixel

👍

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Xen

remix of d/16764 by u/KilledByAPixel

function u(t) {

X=960,Y=540
with(x)for(beginPath(stroke()),strokeStyle=`hsla(${t*69},99%,50%,.1)`,i=1e3;i--;)lineTo(X+=S(t+=X*Y)*23,Y+=lineWidth=C(t)*23)

Nov 30 2019 5:04 PM UTC

}// 137/140

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Tiny speed-up and color fix for mobile

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Xen

remix of d/16760 by u/Xen

function u(t) {

t?x.fillText(8,X+=S(A+=X*Y/9)*9,Y+=C(A)*9):(X=960,Y=540,A=0)

Nov 29 2019 6:30 PM UTC

}// 60/140

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60 bytes

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Xen

remix of d/16758 by u/katkip

function u(t) {

t?x.fillRect(X+=S(A+=X*Y/9)*9,Y+=C(A)*9,9,9):(X=960,Y=540,A=0)

Nov 29 2019 6:27 PM UTC

}// 62/140

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62 bytes (possible juggle math for smaller?)

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Xen

remix of d/16751 by u/LimeLaser

function u(t) {

with(x){fillRect(0,0,z=2e3,z)
for(r=Math.random,i=187;i--;fillStyle=R(i,i/C(t),z%i,.01))fillRect(z*r(),1e3*r(),i,i)}

Nov 28 2019 8:01 PM UTC

}// 116/140

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test

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Xen

remix of d/16751 by u/LimeLaser

function u(t) {

with(x){fillRect(0,0,z=2e3,z)
for(r=Math.random,i=187;i--;fillStyle=R(i,i/C(t),z%i,.01))fillRect(z*r(),1e3*r(),i,i)}

Nov 28 2019 8:01 PM UTC

}// 116/140

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test

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Xen

remix of d/12510 by u/katkip

function u(t) {

for(c.width|=j=99;j--;)for(x.lineWidth=i=4;i--;x.lineTo(960+C(i*1.57+7*C(t/3))*600,940+S(i*1.57+7*C(t))*199-j*9));x.stroke()

Nov 25 2019 7:46 PM UTC

}// 124/140

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little remix

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Xen

remix of d/7126 by u/dwardu

function u(t) {

r=n=>(t**t%n|0)*97
x.drawImage(c,r(19),r(9),192,192,r(20),r(11),w=96,w)
x.fillStyle=R(r(3))
x.fillRect(r(21),r(11),w,w)

Nov 25 2019 7:37 PM UTC

}// 119/140

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test

u/veubeke

Test successful: crashes my Safari on iOS every time
u/Xen

oops, sorry V

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Xen

remix of d/7326 by u/DirtyDan

function u(t) {

for(c.width|=h=8;h--;)for(i=1e3;i--;x.lineTo(i*2,543+(i%2<1?z:-z)))z=S(t**t/i*h)*543*h*S(t+h)
x.stroke()

Nov 23 2019 6:30 PM UTC

}// 105/140

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https://www.youtube.com/watch?v=NKTpWi5itOM

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