Dweets awesomed by u/f8f82804

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

remix of d/9415 by u/f8f82804

function u(t) {

x.drawImage(c,-15,-10.2,1950,1100);x.font='218px a';m=x.measureText(s='🛤');t%1.1>.01||x.fillText(s,960-m.width/2,638)

Aug 27 2018 7:53 PM UTC

}// 117/140

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f8f82804

function u(t) {

if(t%1<.01)with(o=(a=new AudioContext).createOscillator())connect(a.destination),start(),stop(a.currentTime+1);o.frequency.value=1e3*C(t*69)

Aug 27 2018 7:47 PM UTC

}// 140/140

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#audio #halting

u/katkip

Nice.
u/katkip

Now it is not jumpscary
u/384.cz

#alien #babble

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f8f82804

remix of d/9465 by u/prplz

function u(t) {

let s=128;x.setTransform(1,S(t),C(t),1,960,540);for(Y=p=20;Y--+p;)for(X=q=32;X--+q;x.fillRect(X*s,Y*s,s,s))x.fillStyle=(X+Y)%2?'#000':'tan'

Aug 27 2018 6:44 PM UTC

}// 139/140

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atsn

function u(t) {

s=20;for(i=w=c.width;i-=s;)for(o=w;o-=s;x.fillStyle=`hsla(${(i*S(t)+o*C(t))/9},100%,${C(t)*5+75}%,${C(t*9+C(i)+o)-.7})`)x.fillRect(i,o,s,s)

Aug 27 2018 2:45 AM UTC

}// 139/140

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u/DataMeta

Clever alpha trick, chill style

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f8f82804

remix of d/9456 by u/f8f82804

function u(t) {

τ=4.7124;for(a=i=200;i--;x.fillRect(960+500*S(τ*t-i/a),520+500*C(t+i/a),39,39))x.fillStyle=R(99+a*S(b=(t+i)**(S(t)/3)),a*S(b+τ),a+a*S(b-τ))

Aug 27 2018 1:44 AM UTC

}// 139/140

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atsn

remix of d/9445 by u/ai221

function u(t) {

for(i=c.width^=0;i-=3;)x.fillRect(i,S(i/3*S(t)*t/100)*100+540,3,3)

Aug 27 2018 1:26 AM UTC

}// 66/140

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Reduced to 66 characters

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f8f82804

function u(t) {

π=Math.PI;for(i=99;i--;x.fillRect(960+500*S(π*t-i/77),540+500*C(2*t+i/64),32,32))x.fillStyle=`hsl(${t+(i+t)**(S(t/2)-.7)}turn ${i/3+60}%50%`

Aug 27 2018 12:50 AM UTC

}// 140/140

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f8f82804

function u(t) {

with(x)f=d=>d--&&(fillRect(0,0,3,1),rotate(a=S(t)/9),translate(0,-d),f(d),translate(0,d),rotate(-a)),t||translate(960,540),rotate(.01);f(48)

Aug 26 2018 11:43 PM UTC

}// 140/140

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u/katkip

It is getting so beautiful after 1 minute

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yonatan

remix of d/9345 by u/yonatan

function u(t) {

f=f=>(f(i)+f(z=i**.5)+f(t))*i/15-w
for(x[r='fillRect'](e=C(t),w=-600,i=2e3,i);i--;x[r](f(S)-e*w,f(C),z,z))x.fillStyle=R(q=(3-C(e-i))**4,q,q)

Aug 26 2018 9:07 PM UTC

}// 140/140

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Show more comments…
u/f8f82804

#shading
u/joeytwiddle

Very cool! #lighting
u/firegodjr

Amazing!
u/DataMeta

Shader w/o compression is massively impressive
u/aleamb

incredible..
u/lionleaf

Very impressive! #d3 #snail #light
u/iverjo

Wow!
u/vain

stunning!

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f8f82804

function u(t) {

t?x.rotate(.01):x.translate(960,540);for(a=s=32;a--+s;c=4+S(t))for(b=s*2;b--+s;x.fillRect(s*a,s*b,s,s))x.fillStyle=`hsl(${c*a^c*b+t} 99%50%`

Aug 26 2018 2:26 AM UTC

}// 140/140

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