Dweets awesomed by u/goldenhammer

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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nystrand

remix of d/7333 by u/Batrachus

function u(t) {

with(x)for(i=d=c.width=200;j=i--/d;fillStyle=R(d+i,d/j,arc(99+(i-79)*S(T(t)),S(3*j+S(t*7)/4)*75,j>.9?5:30*S(3*j+.3),0,7),fill()))beginPath()

Mar 19 2018 6:13 PM UTC

}// 140/140

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Remix of original and inspired by d/7372 by u/joeytwiddle

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u/yonatan

that's a damn fine banana!
u/sigveseb

Rockin'!
u/magna

WOOOOT!
u/joeytwiddle

very nice :D
u/aleamb

Dayyyy o! daaaay o! Come, Mister Tally Man, tally me bananaaaaa
u/Renaud___

wow :)
u/CtrlAltCuteness

That 'with' statement does have use here. Just hope it never conflicts with other needed functions.
u/joeytwiddle

#banana
u/vain

Great! How do you guys get the algos for such amazing fake 3d bananas? :)

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robbyg

function u(t) {

w=c.width=192,t||(y=[54]);y.push(Y=y.pop(),Y+(Math.random()-.5)*4);y=y.slice(-w);for(i=y.length;i--;)x.lineTo(i,y[i]);x.stroke()

Mar 19 2018 6:01 PM UTC

}// 128/140

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Inspiration from @alien https://www.dwitter.net/d/5150

u/alien

this is nice, i guess i was trying to force it too much by using sine waves function...

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alien

remix of d/7375 by u/alien

function u(t) {

w=c.width=401,h=w/2
for(i=w;i--;)x.moveTo(h,h/2),X=C(i/h)*90,Y=h/2+h/(i-t%1),x.lineTo(h*X+i,h*2),x.moveTo(0,Y),x.lineTo(w,Y)
x.stroke()

Mar 18 2018 3:58 PM UTC

}// 136/140

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Final version thanks for the advice joey

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joeytwiddle

remix of d/7333 by u/Batrachus

function u(t) {

for(i=d=960,c.width=d;i--;x.arc(d/2+(j-.5)*S(t)*d/2,d/4+S(3*j)*d/8,M,0,7))j=i/d,M=d/2*Math.max(0,S(2.5*j+.6)/6-.06)+12;x.stroke()

Mar 18 2018 9:06 AM UTC

}// 129/140

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Smooth banana

u/joeytwiddle

We need x.beginPath() to draw filled circles, so instead this draws lots of hollow circles
u/iverjo

#banana

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joeytwiddle

remix of d/7355 by u/New_Core

function u(t) {

for(i=a=360;i--;x.fillRect(i?a*S(i*a)*s+955:0,i?a*C(i)*s+535:0,k=i?s*9:2e3,k))s=20/((i+t*40)%a-a),x.fillStyle=i?`hsl(${i*5},99%,50%`:'#0001'

Mar 18 2018 5:39 AM UTC

}// 140/140

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Remixing New_Core's Starfield 3

u/joeytwiddle

#starfield

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robbyg

function u(t) {

i=255,t||(X=Array(i).fill(960),Y=Array(i).fill(540));while(i--)x.fillStyle=R(i),x.fillRect(X[i]+=C(z=Math.random()*6.28)*9,Y[i]+=S(z)*9,9,9)

Mar 17 2018 7:59 PM UTC

}// 140/140

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u/joeytwiddle

#virus #outbreak

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jylikangas

function u(t) {

for(X=c.width=450;X--;x[f](X%50*5+t%23*9,0,3,X))x[f='fillRect'](X-X%5*25,99+S(X*5)*5-(h=9*S(X%64/16))+(X>>6)*25%50,1,h*2)&x[f](X*2,50+h,9,1)

Mar 17 2018 8:47 AM UTC

}// 140/140

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Scanimation Fish

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u/Lynext

Genius!
u/magna

If some technique exists, there's a dweet version of it.
u/sigveseb

this is so impressive :)
u/sigveseb

https://www.youtube.com/watch?v=LCIsIfEOEI8 some more inspiration for other dweets perhaps!
u/iverjo

#fish
u/aleamb

#scanimation
u/pythech

blew my brains out
u/rep_movsd

#illusion
u/rep_movsd

#underrated
u/vain

this blow me away! How...? O.o

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AnnanFay

remix of d/672 by u/aemkei

function u(t) {

c.width=873
b=[a=t&&b]
for(i=2e4;i--;x.fillRect(i%97*9,i/9,9,(b[i]=(i>4e3)*i%2|3==d|a[i]&2==d)*9))for(d=0,j=-99;j=j<0?j&3?~j:1:-j;)d+=a[i+j]

Mar 17 2018 3:00 AM UTC

}// 140/140

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High resolution Game of Life with a constant ground layer. It will eventually start cycling. To increase FPS swap 2e4->6e3. To hide the ground swap 4e3->5e3.

u/Jezza

Incredible!
u/zanella

I'm scared of AnnanFay. Seriously.
u/joeytwiddle

#gameoflife

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Blane

function u(t) {

a=~~(4*Math.random())*6.28/4;with(x)t%9==0?translate(960,540):fillRect(0,0,9,9),translate(9*S(a),9*C(a)),x.globalCompositeOperation='xor'

Mar 15 2018 4:01 PM UTC

}// 137/140

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Ant tunneling

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keithclark

function u(t) {

for(c.width=W=128,i=W*72;i--;)x.fillRect(i%W,j=i>>7,((i-64)/j+S(t)*6^C(t)*7+W+W/j)&1,j/W*2)

Mar 15 2018 12:03 PM UTC

}// 91/140

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u/Xen

love it
u/vain

nice floorcast fx

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