Dweets awesomed by u/timothytomato

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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katkip

function u(t) {

for(c.width|=i=121;i--;)for(j=64;j--;)x.fillRect(i*20+C(i/9+t*2)*80*S(j/7+t)-80,j*20+S(j/9+t*3)*80*C(i/7-t)-80,9,9)

Apr 29 2019 10:38 AM UTC

}// 115/140

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Fullscreen to see the waves better without aliasing.

u/artfarnaa

Nice work Katkip. All your stuff is awesome.
u/katkip

Thanks!

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KilledByAPixel

remix of d/13325 by u/KilledByAPixel

function u(t) {

for(i=0;i<2e3;x.fillRect(i?960+i*S(F=260*(t+9)/i+S(i*i)):0,i?500+.2*(2*i*C(F)+2e4/i):0,K=i++?S(i)*9:2e3,K))x.fillStyle=R(99*i,2*i,i,i?1:.4)

Apr 20 2019 7:07 PM UTC

}// 139/140

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#blackhole

Show more comments…
u/DataMeta

Quite cool!
u/katkip

wow
u/aleamb

epic!
u/donbright

#space #astronomy
u/KilledByAPixel

Full explanation on my blog: http://frankforce.com/?p=6378
u/chenliang

cool
u/katkip

top of the year
u/KilledByAPixel

130: for(i=0;i<2e3;x.fillRect(i&&960+i*S(a=260*(t+9)/i+S(i*i)),i&&500+i*C(a)/3+5e3/i,K=i++?S(i)*9:2e3,K))x.fillStyle=R(99*i,2*i,i,i+.2)
u/ximavus

That's a good one

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katkip

function u(t) {

/*‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮/*‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮rettiwd

Apr 20 2019 3:42 PM UTC

}// 140/140

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140/140

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KilledByAPixel

remix of d/13273 by u/KilledByAPixel

function u(t) {

for(x.fillRect(0,0,i=F=2e3,F);i--;)x.clearRect((S(i)*1e9-t*i/9)%F,i*9%F,j=i%7,j)
for(i=0;i<9;)x.clearRect(400+i++*100+S(t)*300,400,50,200)

Apr 17 2019 5:43 AM UTC

}// 138/140

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#Default #Starfield

u/joeytwiddle

These are the voyages of the Starship Ninebars
u/KilledByAPixel

Its continuing mission: to explore strange new dweets.
u/KilledByAPixel

golfed... for(x.fillRect(0,0,i=F=2e3,F);i--;)x.clearRect(...i<9?[400+i*99+S(t)*300,400,50,200]:[(S(i)*99-t/9)*i%F,i*9%F,j=i%7,j])

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rodrigo.siqueira

remix of d/13206 by u/pavel

function u(t) {

for(i=c.width|=h=1.6+(t<<1);Y=i--%3-1||S(i);x.fillRect(960+S(a+t)*800/r/z,540+Y*800/z,s=18/z,s))a=i%3?i:i*h,r=T(a%h+h/3),z=3+S(t)+C(a+t)/r

Apr 16 2019 2:27 PM UTC

}// 138/140

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Spin particles #d3

u/f8f82804

#perspective

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pavel

function u(t) {

for(i=c.width|=h=1.5708;Y=i--%3-1||S(i);x.fillRect(960+S(a+t)*800/r/z,540+Y*800/z,s=60/z/z,s))a=i%3?i:i*h,r=(a%2?S:T)(a%h+h/2),z=3+C(a+t)/r

Apr 12 2019 7:45 AM UTC

}// 139/140

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Butterfly box #d3 #cube #perspective

u/Jezza

Woah!
u/KilledByAPixel

Well done.
u/lionleaf

That's wild! Love it #butterfly

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andrea270872

function u(t) {

c.width+=C(t)
for(j=1;j++<9;x.fillStyle='#02'+j)for(i=18;i--;){F=(S(i/2)*C(i/4+j+t))**.1;x.fillRect((i+j/8)*98,50*j-F*10,99,80*j+F*20)}

Apr 1 2019 6:44 PM UTC

}// 135/140

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Running in the maze

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andrea270872

function u(t) {

c.width|=0
x.fillStyle=`hsl(${S(t)*60%60},99%,50%,.7`
for(j=9;j--;)for(i=24;i-=2;)x.fillRect(99+(j*3+C((j+i+t)*9))*60,1e3-i*40,288-i*12,80)

Mar 29 2019 1:22 PM UTC

}// 139/140

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fire tentacles

u/joeytwiddle

#fire simple idea nice effect
u/rodrigo.siqueira

#tentacle

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andrea270872

function u(t) {

U=frame%20
if(U==1)K=[B=++t%2-1,A=S(t),-A,B,1e3,500,x.resetTransform()]
x.transform(...K)
x.fillStyle='#E'+U*U
x.fillRect(0,0,99,70)

Mar 26 2019 7:09 PM UTC

}// 132/140

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random affine transforms + colors

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rodrigo.siqueira

function u(t) {

for(H=300,c.width|=i=2e3;i--;)A=i<H?(B=1,0):i<600?(B=-.2,1):i<900?(B=0,-.2):B=0,x.fillRect(i,600-(2*t&1)*(A-A*(μ=.5-C(i%H/94)/2)+B*μ)*H,6,6)

Mar 18 2019 5:57 PM UTC

}// 140/140

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Pulses of a single neuron in a Spiking Neural Network (SNN) using cosine interpolation with 4 intervals: depolarization (rising curve), repolarization (falling curve), refractory (recovery period) and resting potential (continuous line). #neural #ai

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