Dweets awesomed by u/rep_movsd

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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taupelink

function u(t) {

for(f=1,i=d=e=1e3;i--;x.fillRect(960+d*z*C(e),540+d*z*S(e),f,f))r=Math.random(z=50)*15|0,[d,e,f]=[2+r*.6+f*C(d),r+2-f*S(d)/3,r%3/2+.2/f**.5]

Sep 9 2019 1:54 AM UTC

}// 140/140

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d/15661

u/katkip

Awesome

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yonatan

function u(t) {

with(x)for(c.width|=i=26;i--;clip(fill(arc(960+S(z/9+t)*T,T=540,z**3/9,0,9))))fillStyle=`hsl(${i+t*9&1?0:T} 50%${i*2}%`,beginPath(z=i+t*9%1)

Sep 7 2019 9:55 PM UTC

}// 140/140

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#tunnel

u/0x04

Wow, great piece! <3
u/aleamb

amazing!

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django

function u(t) {

w=c.width*=1;w/=2;x.beginPath();x.lineWidth=3
for(i=0;i<1000;i++)
x.lineTo(w+0.9*w*(S(.1*2.5*i/10+t)),1.1*i+30*C(t+i/11))
x.stroke()

Sep 3 2019 4:16 AM UTC

}// 132/140

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noodle

u/katkip

yummy
u/aleamb

nice!

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mildlybean

function u(t) {

w=[[99,30,8],[3,50,1],[6,9,-1]];for(c.width|=i=1919;i--;x.fillRect(i,540+y,15,15))y=0,w.forEach(function(m){y+=m[1]*S(t*m[2]+i*m[0]/305)*5})

Sep 2 2019 7:38 PM UTC

}// 140/140

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Sum of three sine waves. By modifying w, you can try any combination of sine waves.

u/mildlybean

w=[[3,25,3],[6,25,2],[9,25,1]] is cool
u/mildlybean

So is w=[[4,20,-2],[2,40,2]]

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DataMeta

remix of d/15509 by u/DataMeta

function u(t) {

c.style.background=R(0,96,192);if(t<3)for(i=2096;i--;)x.fillStyle=R(l=S(t)*i/7.5,l*.7,l*.4),x.fillRect(i-99,1080-C(S(t+i/270))*S(t)*i/6,7,7)

Aug 30 2019 5:31 PM UTC

}// 140/140

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Sand dunes

Show more comments…
u/katkip

#realistic
u/katkip

nice
u/KilledByAPixel

👍
u/metamero

cool!!
u/DataMeta

thanks!
u/DataMeta

blue martian dunes in a dust storm: c.style.background='#CBA486';if(t<3)for(i=2096;i--;)x.fillStyle=R(l=S(t)*i/20,l/.65,l/.5),x.fillRect(i-99,1080-C(S(t+i/270))*S(t)*i/6,7,7)
u/joeytwiddle

#landscape

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tomxor

remix of d/15534 by u/tomxor

function u(t) {

Z=_=>C(3*S(Y+C(X*3))+3*S(X+S(Y*3))+t*4)**3/6
for(c.width=i=1024;i-=1/16;x.fillRect(48*(X*2+Y+11),48*(X/2-Y+z),1,5))z=6-Z(X=i%8-4,Y=i/128-4)

Aug 28 2019 11:57 AM UTC

}// 139/140

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#lava

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tomxor

remix of d/15526 by u/mildlybean

function u(t) {

t*=2,Z=_=>C(3*S(Y)**2+3*S(X+t)*S(Y+X-t))**4/3
for(c.width=i=1024;i-=1/16;x.fillRect(48*(X*2+Y+11),48*(X/2-Y+z),1,5))z=6-Z(X=i%8-4,Y=i/128-4)

Aug 27 2019 8:22 AM UTC

}// 140/140

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Had been keeping this function around for a while but no use for it, it's just strange.

u/tomxor

... each blob doesn't actually propagate, but gives the illusion it does.
u/katkip

looks great
u/katkip

#waves

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taupelink

remix of d/15498 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z|0,e*z|0,1,1))[d,e,f]=[(r=Math.random(z=99)*z|0)/5+(p=1+f)*C((q=d*3)+r*r/2),r%11+T(q)/p,i%7/5+1/p]

Aug 24 2019 2:22 PM UTC

}// 132/140

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DataMeta

remix of d/15449 by u/DataMeta

function u(t) {

c.style.background=R();if(t<2)for(i=1920;i--;)x.fillStyle=R(l=S(t)*i/7,l,l),
x.fillRect(i,540+S(C(t+i/64+l/64))*S(t)*i/4,9,9)

Aug 24 2019 1:04 AM UTC

}// 125/140

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#d3 #shading #lighting

u/pasacaglia

Cool
u/Qwitter

bone paper!

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taupelink

remix of d/15465 by u/taupelink

function u(t) {

for(i=d=e=f=g=1e3;i--;x.fillRect(120+d*z,z+e*z,1,1))[d,e,f,g]=[(r=Math.random(z=400)*9|0)/2+f*C(d+r),f-r%2+g*C(d^r),(r%2+f)/2,(r&4)/9+g/4]

Aug 23 2019 3:49 PM UTC

}// 138/140

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d/15504

u/taupelink

jumping on the "xor" bandwagon :)
u/katkip

looks like mountains #landscape
u/iverjo

#art
u/Qwitter

amazing!

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