Dweets awesomed by u/danny@hille.dk

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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New_Core

remix of d/7583 by u/anthonylewis

function u(t) {

Z=Math.random
x.shadowColor=R(0,0,x.shadowBlur=a=128)
x.fillStyle=R(g=Z()*a+a,g,255)
x.beginPath()
x.arc(Z()*2e3,Z()*1e3,Z()*a,0,7)
x.fill()

Apr 5 2018 6:48 PM UTC

}// 140/140

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u/anthonylewis

Really nice!
u/sigveseb

<333

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jylikangas

function u(t) {

with(x)for(i=16,c.width=198;i--;stroke()&drawImage(c,globalAlpha=.1,i))lineTo(99+S(t+=(7-i)%2/.64)*99/(Z=(t<6)+1+C(t)),49+((i%4/2<<6)-25)/Z)

Mar 28 2018 5:24 AM UTC

}// 140/140

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White room traps you!

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u/aemkei

Stunning. As always.
u/joeytwiddle

Whoa! 😮
u/zanella

There's. A. Reflection. In. The. Floor.
u/loni_art

jesus!
u/iverjo

Well done!
u/DirtyDan

Remixed: d/7500
u/DirtyDan

whoops, wrong dweet
u/DirtyDan

Well this was a train wreck, wrong link too
u/jylikangas

http://jsriffs.blogspot.fi/2018/04/making-of…
u/joeytwiddle

#renderer #reflection #raytrace (or looks like it anyway)

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magna

remix of d/7457 by u/magna

function u(t) {

c.width=960
for(j=60;j--;)for(i=240;i--;x.fillRect(i*4,j*9,4,9))x.fillStyle=`hsl(${120*i},99%,${S(i+t*j)*50}%)`

Mar 27 2018 1:09 AM UTC

}// 111/140

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u/joeytwiddle

Reminds me of putting my head right up to the CRT screen
u/magna

#crt
u/magna

#rgb

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nystrand

remix of d/7333 by u/Batrachus

function u(t) {

with(x)for(i=d=c.width=200;j=i--/d;fillStyle=R(d+i,d/j,arc(99+(i-79)*S(T(t)),S(3*j+S(t*7)/4)*75,j>.9?5:30*S(3*j+.3),0,7),fill()))beginPath()

Mar 19 2018 6:13 PM UTC

}// 140/140

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Remix of original and inspired by d/7372 by u/joeytwiddle

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u/yonatan

that's a damn fine banana!
u/sigveseb

Rockin'!
u/magna

WOOOOT!
u/joeytwiddle

very nice :D
u/aleamb

Dayyyy o! daaaay o! Come, Mister Tally Man, tally me bananaaaaa
u/Renaud___

wow :)
u/CtrlAltCuteness

That 'with' statement does have use here. Just hope it never conflicts with other needed functions.
u/joeytwiddle

#banana
u/vain

Great! How do you guys get the algos for such amazing fake 3d bananas? :)

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Jezza

function u(t) {

if(!t)c.width=w=192,a=new Uint8Array(z=20736);for(m=0;m<z;m++)y=a[m]=(1.9+a[m+1]+a[m+w])/1.7,x.fillStyle=R(9,y,99),x.fillRect(m%w,m/w,1,1)

Mar 19 2018 9:24 AM UTC

}// 140/140

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I was doing something else and then this happened.

u/Xen

Nice
u/CtrlAltCuteness

Reminds me barely of old 3D from the old DOS era.

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keithclark

function u(t) {

for(c.width=W=128,i=W*72;i--;)x.fillRect(i%W,j=i>>7,((i-64)/j+S(t)*6^C(t)*7+W+W/j)&1,j/W*2)

Mar 15 2018 12:03 PM UTC

}// 91/140

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u/Xen

love it
u/vain

nice floorcast fx

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robbyg

function u(t) {

for(Y=54,z=20;Y--;)for(X=96;X--;)x.fillStyle=R(h=(X+Y)%2*255,h,h),x.fillRect(X*z-C(t)*z*Y,Y*z-S(t)*z*X,z,z)

Mar 13 2018 7:18 PM UTC

}// 107/140

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yonatan

remix of d/7305 by u/yonatan

function u(t) {

for(i=2e3,n=99;i--;x.fillStyle=R(q=(Y+1)*n,q/3,n-q),x.fillRect(i,t*n-(Y|0)*n,1,n*n))for(Y=0,j=4;j--;)Y+=C(((i-960)+S(t+Y)*n*j*j)/2**j/t/9)

Mar 13 2018 7:28 AM UTC

}// 139/140

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Canyons

u/yonatan

added perspective like in d/7303
u/joeytwiddle

Beautiful!
u/aleamb

great!
u/magna

(ノಥ,_｣ಥ)ノ彡┻━┻
u/joeytwiddle

#landscape #slow_render #hiddengem

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AnnanFay

remix of d/7275 by u/lionleaf

function u(t) {

d=700
for(c.width+=i=0;i<d;){
X=S(99*i)
Z=C(55*i)
B=(4-Z*C(t)+X*S(t))/d
x.fillRect(960+(X*C(t)+Z*S(t))/B,540+C(t/2e3*i++)/B,.03/B,.03/B)}

Mar 10 2018 11:37 PM UTC

}// 137/140

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Was wondering how the shape evolves as the constant in C(99*i++) changes.

u/AnnanFay

Change 2e3 to 99 for a more vigorous experience.
u/magna

Awesome!

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New_Core

remix of d/3333 by u/New_Core

function u(t) {

b=960
for(c.width|=i=5;i--;x.lineTo(b+b*S(t)+Z*(d*C(a)),d+Z*d))d=99*C(t)+t%12*60,Z=b/(b-d*S(a=i*2.5132-9*S(t/4)))
x.fill()

Mar 8 2018 9:04 PM UTC

}// 122/140

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2 or 3 stars would been nicer...

u/Xen

Nice :-)
u/13thptr

#stars #d3

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