Dweets awesomed by u/41407

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: #ScaryMovies

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Agnes

function u(t) {

w=c.width+=i=0;for(;i<w;q=i/w,x.fillStyle=R(i*q,i**2,255*i**3,i**4),x.fillRect(w*.5*(1+q*S(t*q)*C(t+i)),540*(1+q*S(q*t+i)),25*q,25*q),i++);

Feb 16 2018 10:17 AM UTC

}// 139/140

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u/fons

Milky Way

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41407

function u(t) {

w=2e3;x.fillRect(0,0,w,w);h=t%2*w;g=~t%2?g+.6:0
for(i=59;i--;x.globalAlpha=.1)~t%2?x.clearRect(b+h*S(i),b+h*C(i)+g**2,g,g):b=Math.random()*w

Feb 16 2018 10:02 AM UTC

}// 140/140

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u/joeytwiddle

Nice big #fireworks with gravity

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Erazed

function u(t) {

w=c.width=2e3;h=w/2;p=S(t)*220
for(i=0;i<w;){x.fillStyle=R(p*1.5*i/h,p,p);x.fillRect(0,i++,w,1)}x.arc(h*-C(t)+h,5*-p+h/.7,99,0,9);x.fill()

Feb 14 2018 10:54 PM UTC

}// 138/140

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u/akm

that's amazing!
u/aleamb

cool!
u/joeytwiddle

#sun #landscape #scene #sunset

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snydej

function u(t) {

for(i=w=2e3;r=--i**4.7;x.fillRect(0,-60,30,90))x.setTransform(s=S(r%4*t),-1,s,1,r%w,(r%99*t)%w),x.fillStyle=`hsl(60,${r%50}%,${30*s**8+60}%`

Feb 14 2018 7:35 AM UTC

}// 140/140

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Show more comments…
u/aleamb

really awesome!
u/snydej

Thanks :)
u/magna

WOW!
u/sigveseb

Rocks so hard :)
u/Apex

My computer is now a jet engine. Looks cool though
u/iverjo

Gold and silver confetti! I like it :)
u/joeytwiddle

#shiny

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aleamb

function u(t) {

c.width=512;b=136;for(y=b;e=0.7*y,f=y-60,f*=f,y-=2;)for(m=b;m--;)d=m-70,z=S(t)*b*Math.exp(-1e-3*(f+d*d)),x.fillRect(m+e+b,-z+e+100,1,1)

Feb 14 2018 1:37 AM UTC

}// 135/140

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Shorter version: c.width=512;b=136;h=60;for(a=b*b;a--;)m=a%b-h,y=a/b-h,e=0.7*y,x.fillRect(m+e+100,S(t)*b*Math.exp(-1e-3*(y*y+m*m))+e+150,1,1)

u/iverjo

Further, 0.7 can be replaced with .7
u/aleamb

#function #p3d
u/aleamb

#math
u/aleamb

#d3

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41407

function u(t) {

z=Math.random;w=1930;m=255;x.shadowColor=R(z()*m,m,z()*m)
for(i=9;i--;x.shadowBlur=9)x.fillRect(z()*w,z()*w,4,4)
x.drawImage(c,-5,-2,w,1085)

Feb 13 2018 3:10 PM UTC

}// 140/140

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u/aleamb

beautiful!!

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New_Core

remix of d/6866 by u/41407

function u(t) {

x.fillStyle=`hsla(${t*60},100%,50%,.02)`
a=b=e=S(t/2)*1300
for(i=1e3;i-=1;a=960+S(i*t)*e,b=500+C(t)*C(i*t)*e)~t%4!=0?x.fillRect(a,b,20,20):0

Feb 12 2018 6:51 PM UTC

}// 140/140

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u/41407

That's so cool!
u/Apex

T̛͙̻͓̠̘͙H͔͚̯͕͘E҉̮͓̖ ̸̟E҉̖̻̳Y̹͚̦E͕̯̥̱

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41407

function u(t) {

x.globalAlpha=.02
a=b=e=S(t/2)*1300
for(i=1e3;i-=1;a=960+S(i*t)*e,b=500+C(t)*C(i*t)*e)~t%4!=0?x.fillRect(a,b,20,20):x.clearRect(a,b,50,50)

Feb 12 2018 2:06 PM UTC

}// 138/140

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u/iverjo

Nice eye

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AnnanFay

remix of d/6857 by u/olligobber

function u(t) {

c.width|=i=8
for(m=200,r=t;i--;m=-m)x.stroke(new Path2D(`M960,${520-m*13/8}l${p=m*S(r)},${m}l${(q=m*S(r+=.79))-p},${m*5/4}h${m*C(r)-q}`))

Feb 11 2018 3:42 PM UTC

}// 137/140

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u/Yogeshp3

It's one of those things that you can't tell whether it's rotating clockwise or anticlockwise

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unts-unts-unts-unts

function u(t) {

for(j=0;j++<80;)
for(i=0;i++<10;){
x.fillStyle=R(X=i*j%256,128*(1+S(j*t)),256-X)
x.fillRect(960+12*j*C(s=i*t/3),540+12*j*S(s),12,12)}

Feb 9 2018 3:41 PM UTC

}// 133/140

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u/dogspace

woahh!

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