Dweets awesomed 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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f8f82804

function u(t) {

s=S(t);for(U=V=0,z=i=128;i--;)for(j=z;j--;x.fillRect(8*i+450,8*j,8,8))U+=z+i+s,V+=z+j+s,x.fillStyle=R(z*(U>z&&(U-=256)),0,z*(V>z&&(V-=256)))

Aug 30 2018 2:00 AM UTC

}// 140/140

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2D palette rendered with 4 colors via error diffusion dithering

u/f8f82804

#dithering

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f8f82804

remix of d/9534 by u/f8f82804

function u(t) {

with(x)for(i=3;--i;beginPath(fill(lineTo(960*i+i%2*320*(t%6-3),h))))fillStyle=`hsl(32 50%${30+t%6*i+6*i}%)`,moveTo(960,340),lineTo(0,h=1080)

Aug 29 2018 7:41 PM UTC

}// 140/140

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Rotating pyramid. Thanks to u/yonatan for help with the colors! #shading

u/katkip

Yes! That's exactly what I originally wanted to do! (but i'm more stupid lol) Nice done!
u/aleamb

very smart!
u/katkip

That's genius! The colors illusion

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anotherkitten

function u(t) {

x[o="fillStyle"]=R()
x[u="fillRect"](0,0,k=2e3,k)
for(i=k;i>0;i-=6){b=100*S(i/(300+50*C(i*15))+t*2)
x[o]=R(188+b,198-b,k)
x[u](i,550+b,5,9)}

Aug 29 2018 1:34 PM UTC

}// 140/140

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u/f8f82804

great palette! #outrun #wave
u/katkip

haha his function tricks are genius

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prplz

function u(t) {

q=t%5*200
x.strokeRect(960-q,540-q,q*2,q*2)

Aug 29 2018 5:26 AM UTC

}// 43/140

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u/katkip

Short and nice
u/Xen

love it

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yonatan

function u(t) {

for(i=1e3;t<3&&i--;x.fillRect(960+S(i)*q,(1200/t)+C(i)*q,9,9))q=(2+S(i*6)**3)*t**4.5,x.fillStyle=R(a=t**1.6*55,a*1.5,t*t*15)

Aug 28 2018 11:00 PM UTC

}// 124/140

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Show more comments…
u/joeytwiddle

Excellent! Angel's trumpet. #flower #organic
u/yonatan

Thanks! I was wondering what's that tree's name was
u/katkip

This is so beautiful
u/magna

OMFG
u/aleamb

OH MY!!!!
u/DataMeta

#wizardry
u/13thptr

#witchcraft

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f8f82804

function u(t) {

f=a=>j*S(i^j)/24+a;with(x)for(i=22;i-->10;)for(j=18;j--;strokeRect(2,2,58,58))setTransform(1,0,0,1,f(60*i),f(60*j)),rotate(f(0)),lineWidth=3

Aug 28 2018 10:29 PM UTC

}// 140/140

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A tribute to _Schotter_ -- Georg Nees, 1968

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alien

remix of d/2842 by u/alien

function u(t) {

w=c.width=180
f=frame
for(j=0;j<w;j++)
for(i=0;i<w;i++){
q=(i*i+j*j)**3+9*f&w
s=i*(q/45)
s%=255
x.fillStyle=R(s,s*2,s)
x.fillRect(i,j,1,1)}

Aug 28 2018 7:56 PM UTC

}// 140/140

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f8f82804

remix of d/9458 by u/f8f82804

function u(t) {

τ=4.7;for(i=2048;i--;x.fillRect(32*(i%64),32*(i/64|0),32,32))x.fillStyle=R(99+99*S(b=(C(t)*(i%64)+i/64)/3**(S(t)+1)),60*S(b+τ),99+99*S(b-τ))

Aug 28 2018 1:10 AM UTC

}// 140/140

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u/danny@hille.dk

nice

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f8f82804

remix of d/9491 by u/Xen

function u(t) {

eval(unescape(escape`楦⡴┮㈼⸰ㄩ睩瑨⡮敷⁏獣楬污瑯牎潤攨愽湥眠䅵摩潃潮瑥硴ⱻ晲敱略湣示ㄱ〪匨㤪瑞琩紩⥣潮湥捴⡧㵡⹣牥慴敇慩渨⤩Ⱨ⹣潮湥捴⡡⹤敳瑩湡瑩潮⤬朮条楮⹳整呡牧整䅴呩浥⠰ⰮㄵⰮ〱⤬獴慲琨⤬獴潰⠮㈩`.replace(/u(..)/g,"$1%")))

Aug 27 2018 11:42 PM UTC

}// 139/140

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playing notes with an evelope to avoid clicking #audio #compressed

u/f8f82804

if(t%.2<.01)with(new OscillatorNode(a=new AudioContext,{frequency:110*S(9*t^t)}))connect(g=a.createGain()),g.connect(a.destination),g.gain.setTargetAtTime(0,.15,.01),start(),stop(.2)

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ellisk1

remix of d/9453 by u/ellisk1

function u(t) {

t?X=Math.random()*2400-99:Y=0;x.fillStyle=`hsla(${3*t+X/9*C(q=t/50)+Y/5*S(q)},80%,50%,.04)`;x.beginPath();x.arc(X,Y,200,0,7);x.fill();Y=X/2

Aug 27 2018 10:47 PM UTC

}// 139/140

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Slowly shifting gradient v2

u/Xen

very nice style
u/aleamb

stylish!
u/magna

#waitforit
u/ellisk1

Thanks! Yeah it does take some time to get going ha

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