Dweets awesomed by u/yokljo

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: #Opposites

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Xen

remix of d/3031 by u/yokljo

function u(t) {

X=999,x.globalAlpha=.02;x.save();x.rotate(S(t));x.fillRect(S(t)+X,X/T(t),S(t)*X,C(t)*X);x.restore();x.drawImage(c,S(t)*X,C(t))

Aug 8 2017 12:34 AM UTC

}// 126/140

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51 Shades of Grey

u/cantelope

wish it would keep going... but all things must eventually come to an end i guess...
u/Xen

it passed out....

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yokljo

function u(t) {

x.globalAlpha=.05
x.fillRect(0,0,2e3,2e3)
x.save()
x.rotate(S(t*2)*.2)
x.clearRect(S(t)*700+900,C(t*5.2)*100+400,200,200)
x.restore()

Aug 7 2017 1:00 PM UTC

}// 133/140

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u/joeytwiddle

Cute motion!
u/danni

The ghost of Windows past
u/PiggyClone205

Very reminiscent of the PS2 browser.

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cantelope

function u(t) {

for(V=(c.width=1e3)/2,H=j=99;j--;x.stroke())for(x.beginPath(),i=H,Z=i-j;i--;x.lineTo(V+X/Z*V,(S(i/5+C(t)*4)*C(j/9-t*7)*j/9+30)/Z*V))X=H-i*2

Aug 6 2017 6:10 AM UTC

}// 139/140

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mostly what i was going for... not exactly.

u/joeytwiddle

smooth

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kchplr

function u(t) {

for(c.width|=0,i=3142,n=500;i--;Y=S(i/n*(2-(.5+S(t+V)|0))),X=C(S(t)+t+i/n),x.fillRect(960+X*n+V/X,550+Y*n+V*Y,4+V*X,5))V=(T(C(i+t)))**7

Aug 4 2017 10:05 AM UTC

}// 135/140

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Xen

remix of d/2954 by u/yokljo

function u(t) {

x[f="fillStyle"]=R(0,0,0,.01)
for(m=69,i=-69,x.fillRect(0,0,n=1e4,n),x.font="69px x";i<m;x[f]="#69F")x.fillText((t+f)[3],i*69,m*S(t-i++)*18)

Aug 3 2017 11:55 PM UTC

}// 140/140

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The MatriXen

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yokljo

function u(t) {

eval(o="q=/[;,q]/;s=1e4;d=100;x.font='70px Courier';for(i=0;i<10;)x.fillText(o.split(q)[i+5].substring(0,t*d/(i+1)-(i*10)),50,d*i+++d)")

Aug 3 2017 7:07 PM UTC

}// 136/140

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I dunno...

u/Xen

'only a basic dweet', nope you put in effort, you receive an awesome.....

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New_Core

remix of d/3007 by u/New_Core

function u(t) {

b=c.width|=1,d=350
X=10*S(t)
Y=10*C(t)
for(i=d;i--;x.fillRect(X*Z+960,Y*Z+540,Z,Z))Z=d/(9+d-t*i%d),X+=6*C(a=i/50-9*S(t/8)*S(i/9)),Y+=6*S(a)

Aug 3 2017 7:42 AM UTC

}// 139/140

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total chaos ;)

u/13thptr

#d3

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FireFly

function u(t) {

for(i=5e3;i--;i%4||x.beginPath())Z=i/128+i%2,X=i/4%32+(i%4>1),x.fillStyle=R(Y=S(X*X/32+Z*Z/32-X-Z-t*6)*80+99),x.fill(x.lineTo(X*60,Z*35-Y))

Aug 2 2017 9:02 PM UTC

}// 139/140

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Ripples!

u/alien

Respect

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FireFly

function u(t) {

for(c.width|=i=58;i--;x.fillStyle=`hsla(${i*6},99%,50%,.3)`)i%3?x.lineTo(C(t+(i/3+i%3|0)*497)*450+Z,540):x.moveTo(Z=960,i>29?90:Z,x.fill())

Jul 29 2017 3:42 PM UTC

}// 139/140

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Spinning 3D model. This one is pretty CPU-heavy, gotta compromise for size

Show more comments…
u/sigveseb

Very nice!
u/p01

It looks super clean!
u/sigveseb

is it spinning clockwise or counter-clockwise? :)
u/FireFly

shhh… it's rotating CCW I think, but cheating with the Z-axis/depth ordering means the faces are kind of haphazardly drawn :P
u/Xen

its transdimensional, you meant to do it! ;-)
u/Lazy1337

#d3

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yokljo

function u(t) {

x[f="fillStyle"]=R(0,0,0,.04)
for(m=42,i=-1,x.fillRect(0,0,n=1e4,n),x.font="50px A";i<m;x[f]="#0F0")x.fillText((t+f)[3],i*49,m*m*S(m*t+i++))

Jul 27 2017 5:48 PM UTC

}// 140/140

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Try different values of m, like 53.

u/Xen

matrix? got my vote :D
u/sigveseb

very clean matrix effect

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