Dweets awesomed by u/ellisk1

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

function u(t) {

x.fillRect(0,0,S(c.width=t)*t,t)

Sep 14 2018 11:50 PM UTC

}// 32/140

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32byte tiny drunken dweet

u/Xen

also... x.fillRect(T(c.width=t),0,t,t) .... basic 30byte

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ellisk1

function u(t) {

t%9>.1?x.fillRect(1e3+r*C(e),700+r*S(e)/2,A(250),A(99)):c.width|=A=a=>a*Math.random();x.fillStyle=R(e=A(99),e+A(r=A(6)**4)/6,A(r*C(e-1)),.5)

Sep 14 2018 10:21 PM UTC

}// 140/140

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Falling Water

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anotherkitten

function u(t) {

p=frame;for(y=99;y;y--){x.fillStyle=`hsla(${p/6},50%,50%,.2)`;x.fillRect((p=p+(z=Math.random)()*7)%2e3-y,z()*1150-50,z()*99,z()*99);frame=p}

Sep 14 2018 6:26 PM UTC

}// 140/140

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when you are rubbing your eye and see the rainbow

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ellisk1

function u(t) {

for(i=0;i<17;i++)with(x)fillStyle=R(e=500-(d=i?9:3e3),e,fill(),2+C(t)-i/5),beginPath(z=99*i),ellipse(99+z*S(t),z,d+z*C(t)**2,d+z,S(t)/3,0,7)

Sep 13 2018 10:36 PM UTC

}// 140/140

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Searchlight

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jylikangas

function u(t) {

with(x)for(i=70;i--;fillStyle=R(fill(),i*3),beginPath())ellipse(X=i**5%3e3,Y=S(i)*950+C(t+i)*9,r=i>68?6e3:Y*Y/5e3+i,r/3,0,i,i+6),lineTo(X,Y)

Sep 13 2018 5:41 PM UTC

}// 140/140

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Waterlily lake

Show more comments…
u/magna

Great!
u/joeytwiddle

So nice. #water #organic #scene
u/kipkat

#cute
u/Xen

Very clever
u/DataMeta

Peaceful
u/magna

🐸

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f8f82804

function u(t) {

c.width^=0;with(x)for(i=289;i--;beginPath(fill(arc(0,0,22+18*S(t+(X*X+Y*Y)**.5),0,7))))setTransform(1,0,0,1,60*(X=i%17+8),60*(Y=i/17%17+.5))

Sep 13 2018 3:51 AM UTC

}// 140/140

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#halftone

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Xen

function u(t) {

x.beginPath(x.strokeStyle=R(Z=t*49%295,Z+t*9%255,Z+t*99%255))
x.arc(1e3+C(t-Z/9)*3,500+S(t+Z/7)*4,Z*3,t,t+3)
x.stroke()

Sep 12 2018 10:05 PM UTC

}// 119/140

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quick test., not finished

u/donbright

static images of each stage are quite interesting
u/DataMeta

Pleasant colors

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Xen

remix of d/9771 by u/BalintCsala

function u(t) {

c.width=500
for(x.scale(X=Z=20,Z);X--;)for(Y=Z;Y--;x.fill())for(i=3,x.beginPath();i--;)x.lineTo(C(a=i*2.11+t-C((Y-X)/6))+X*2+Y%2,S(a)+Y*1.4)

Sep 12 2018 1:58 PM UTC

}// 140/140

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anotherkitten

remix of d/9778 by u/anotherkitten

function u(t) {

for(p=20;p;p-=4)for(i=1e3;i;i-=8){c=(t+p)*3;d=c*c/(i+1e3);e=(d*T(d)**2);x.fillStyle=R(p%8?0:e,p%8?e:0,0,.5);x.fillRect(c*200%2e3,i,10,8)}

Sep 12 2018 1:01 PM UTC

}// 137/140

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optimized and cleaned up

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yonatan

function u(t) {

t?T=f=>130+f(i)*i%9+f(i*i)*i**.4*t:c.width=568
for(i=5e3;t<4&&i--;x.fillRect(T(S),T(C)+t*t*2,1/t,1))x.fillStyle=`hsl(98 60%${t*13-T(C)/8}%`

Sep 11 2018 11:12 PM UTC

}// 139/140

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Marimo - a remake of tail_y's http://wa.zozuar.org/code.php?c=md93

u/yonatan

#organic #grass #waitforit
u/donbright

incredible
u/joeytwiddle

Hairy! Set c.width=250 to zoom in
u/kipkat

Looks like a #fireworks for me

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