Hot 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/3571 by u/Xen

function u(t) {

x.drawImage(c,C(t*t*S(t*t))*99,S(t*t*C(t*t))*99)
for(i=199;i--;x.fillStyle=`hsl(${i*t*i*t},99%,49%)`)x.fillRect(i*9+C(i+t)*9,0,C(t)/9,2e4)

Nov 24 2017 9:31 PM UTC

}// 138/140

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what static should look like :-P

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Xen

remix of d/3569 by u/whackashoe

function u(t) {

t?x.drawImage(c,S(t)*t,p=9):X=w=c.width*=2;for(x.fillStyle=`hsl(${X},93%,49%)`;++X^w&&++p<w;b=(X>>=1)&1,X^=-b&t*w)x.fillRect(X%w*t,X/w,.2,4)

Nov 24 2017 4:49 PM UTC

}// 140/140

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UltraDweet. Try fullscreen, it slowly gets faster...

u/whackashoe

nice! its a lfsr, i have feeling you can do pretty neat patterns with it with correct constant but i didnt have time to mine it out... the 2d mapping part i think could be used for some really cool stuff

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Xen

function u(t) {

for(c.width|=i=189;i--;x.arc(970+C(i+t*13)*299,540+S(i+t*17)*289,129,0,7),
x.fill())x.beginPath(),x.fillStyle=R(Z=C(i-t*9)*199%255,0,-Z,.08)

Nov 21 2017 7:10 PM UTC

}// 140/140

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Maybe My Last Donut Dweet?

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Xen

remix of d/3559 by u/BriSeven

function u(t) {

if(!t)d=[];X=Y=0;for(i=1e4;i--;x.fillRect(X+=C(d[i])*9,Y+=S(d[i])*3,Z=9*S(d[i]),Z))D=(d[i]||1),d[i]=D+C(D*i*99+t*D-t)/7,x.fillStyle=R(D*99)

Nov 23 2017 5:30 PM UTC

}// 139/140

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Pre-Igneous

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Xen

remix of d/3035 by u/artfarnaa

function u(t) {

 for(c.width|=a=48;--a;x.arc(960+S(G+t)*321,540+C(t+G)*666*S(t),a%2*99*Math.abs(S(t-G))*5,0,7))x.moveTo(G=a/2,0)
x.fill('evenodd')

Nov 19 2017 6:58 PM UTC

}// 130/140

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Xen

remix of d/3529 by u/Xen

function u(t) {

for(i=w=960;i--;x.fillRect(w+S(p=i*t*frame)*Z*w,540+C(p)*Z*w,59,59,x.fillStyle=`hsla(${i*S(p*2+T((Z/w)/i))},99%,${Z*129}%,.2)`))Z=(i+t*2)%3

Nov 20 2017 6:45 PM UTC

}// 139/140

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Xen

remix of d/3531 by u/New_Core

function u(t) {

for(Z=149,c.width|=i=5;i--;x.closePath(x.fill("evenodd")))x.arc(960+(Y=Z*C(t*i)),540+Z*S(t*i),i*Z,0,7),x.shadowColor=R(x.shadowBlur=i*Y,Y,Z)

Nov 20 2017 5:53 PM UTC

}// 140/140

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had to have a play with it :D

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Xen

remix of d/3536 by u/veubeke

function u(t) {

t||x.translate(960,540)
for(i=2e3;i--;x.rotate(1/123),x.fillStyle=`hsl(${t*i},99%,50%)`)x.fillRect(0,0,S(t*i),2e3/i*t*t)

Nov 21 2017 12:02 AM UTC

}// 120/140

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Psychepernicious. 🐌

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Xen

remix of d/1791 by u/Run

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsla(${t*X},80%,50%,.01)`)x.fillRect(X=i-S(t-i)*1e3,400+400*C(t+i)+400*S(X/400+t),90,90);

Nov 19 2017 6:23 PM UTC

}// 116/140

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Fixed for chrome users.

u/joeytwiddle

Chrome changed. I recommend 80%,64%,.01 #rainbow #plasma

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Xen

remix of d/205 by u/iverjo

function u(t) {

c.width=2e3;n=899;for(i=2;i<n;i+=2)s=2/(9.1-(t+i/29*C(t/4))%9),x.beginPath(),j=i*.69+t,x.lineWidth=s*s*4,x.arc(n,520,s*99,j,j+1),x.stroke()

Nov 14 2017 7:59 PM UTC

}// 139/140

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Give it 30 seconds ;-)

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