Dweets awesomed by u/geb

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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ellisk1

function u(t) {

r=t?r:Array(n=1250).fill(n);for(j=n;j-=2;x.fillRect(r[j]+=d*S(a=j%2**(t|0)+t+d),r[j-1]+=C(a)-2,w,w))x.fillStyle=R(w=j/n*200/t,d=3+(t>8)*t*t)

Jan 1 2019 9:48 PM UTC

}// 140/140

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Bonsai

u/katkip

finally something awesome
u/lionleaf

That's amazing! #bonsai #tree #organic #plant
u/DataMeta

Wow
u/hollo47

Impossible.

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katkip

function u(t) {

r=(X,Y,s)=>{if(s>2)x.beginPath(),x.arc(X,Y,s*2,0,7),x.stroke(),r(X-s*2,Y,s/2),r(X+s*2,Y,s/2)}
r(960,540,230)

Dec 31 2018 12:02 PM UTC

}// 108/140

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only 108 bytes #recursion #recusive #circle #arc #fractal

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JWinslow23

function u(t) {

X=Math.random;for(a=b=i=1;i<100;i++,r=X()*3|0,a=(a+r--)/2,b=(b+!!r)/2,x.fillStyle=R(X()*256,X()*256,X()*256))x.fillRect(a*956,b*1072,8,8)

Dec 31 2018 11:21 AM UTC

}// 137/140

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I squeezed in random coloring of coordinates, because it looks cool.

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katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭴⼽㈻昽⡘ⱙⱳ⤽㹻砮扥杩湐慴栨⤻楦⡳㸲〩砮慲挨堬夬猬〬㜩ⱸ⹳瑲潫攨⤬昨堫䌨猫琩⩳ⱙⱳ⼲⤬昨堭䌨猫琩⩳ⱙⱳ⼲⤬昨堬夫䌨猫琩⩳ⱳ⼲⤬昨堬夭䌨猫琩⩳ⱳ⼲⥽㭦⠹㘰ⰵ㐰ⰷ〰⤻`.replace(/u(..)/g,"$1%")))

Dec 30 2018 10:15 AM UTC

}// 135/140

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#circles #fractal #recursion #recursive I'm just like a gifted autistic kid who finally discovered recursion c.width^=0;t/=2;f=(X,Y,s)=>{x.beginPath();if(s>20)x.arc(X,Y,s,0,7),x.stroke(),f(X+C(s+t)*s,Y,s/2),f(X-C(s+t)*s,Y,s/2),f(X,Y+C(s+t)*s,s/2),f(X,Y-C(s+t)*s,s/2)};f(960,540,700)

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katkip

remix of d/11584 by u/katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭦㴨愬戬挩㴾筩昨挾㌩砮晩汬剥捴⡡ⱢⱣⱣ⤬昨愭挪䌨琩Ɫⵣ⩓⡴⤬振㈬振㈩ⱦ⡡⭣⼲⩃⡴⤬戫挪匨琩Ᵽ⼲Ᵽ⼲⤬昨愭振㈪匨琩Ɫⵣ⼲⩃⡴⤬振㈬振㈩ⱦ⡡⭣Ɫⵣ⼲Ᵽ⼲Ᵽ⼲⥽㭦⠸㐰ⰵ㤰ⰲ㔰⤻`.replace(/u(..)/g,"$1%")))

Dec 30 2018 9:57 AM UTC

}// 138/140

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I love #recursion , #recursive #sierpinski #d3 c.width^=0;f=(a,b,c)=>{if(c>3)x.fillRect(a,b,c,c),f(a-c*C(t),b-c*S(t),c/2,c/2),f(a+c/2*C(t),b+c*S(t),c/2,c/2),f(a-c/2*S(t),b-c/2*C(t),c/2,c/2),f(a+c,b-c/2,c/2,c/2)};f(840,590,250)

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Xen

remix of d/6398 by u/tillsc

function u(t) {

for(i=199;i--;x.fillStyle=R(g=C(i+t*79)*455))x.fillRect(S(i+t)*91+960,C(i+t)*97+540,3,3);x.drawImage(c,-17,-9,1954+S(t*4)*2,1099+C(t*3)*2)

Dec 28 2018 10:12 PM UTC

}// 138/140

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u/katkip

#tunnel

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katkip

remix of d/11570 by u/Xen

function u(t) {

x.fillRect(0,0,2e3,2e3)
x.drawImage(c,C(t*t)*49,S(t*t)*49)
x.fillStyle=`hsl(${t*999},50%,50%,.05)`
x.rotate(C(t)/99)

Dec 28 2018 2:35 PM UTC

}// 116/140

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rodrigo.siqueira

remix of d/11562 by u/echo85

function u(t) {

for(s=300,r=5/s,j=60*t*r-2,i=-3;i<2;i+=r)for(X=i,Y=j,T=9;T--;)U=X,X=X*X-Y*Y+i,Y=2*U*Y+j,x.fillStyle=R(Y,U,X),x.fillRect(i*s+4*s,j*s+2*s,5,5)

Dec 27 2018 2:02 AM UTC

}// 140/140

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Color Mandelbrot Set

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echo85

function u(t) {

for(s=300,r=4/s,j=60*t*r-2,i=-2;i<2;i+=r){for(X=i,Y=j,T=9;T--;)U=X,X=X*X-Y*Y+i,Y=2*U*Y+j;X*X<9&&x.fillRect(i*s+4*s,j*s+2*s,4,4)}

Dec 26 2018 9:54 PM UTC

}// 128/140

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mandelbrot set

u/katkip

nice #mandelbrot #fractal

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Nixotica

function u(t) {

w=c.width=1920;h=c.height=1080;for(i=50;i!=0;i--)x.fillRect((w-20)/2+(w-20)/2*S(t-i),20*i,20,20);

Dec 22 2018 2:32 AM UTC

}// 97/140

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First time using this language and Dwitter. Figured this out after 2 hours of messing around.

dwitter.net | geb (19014)