New #recursion dweets

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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katkip

function u(t) {

c.width^=0;r=(X,Y,s)=>{if(s>3)x.fillRect(X-s,Y-s,s*2,s*2),r(X-s,Y-s,s/2),r(X-s,Y+s,s/2),r(X+s,Y-s,s/2),r(X+s,Y+s,s/2)}
r(960,540,t*99)

Dec 31 2018 11:27 AM UTC

}// 134/140

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T-square #fractal #recursion #recursive

u/katkip

Why this has no likes? wtf
u/joeytwiddle

It has two likes now. Is that above average? ^^

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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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katkip

function u(t) {

f=(a,b,c)=>{if(c>3)x.fillRect(a,b,c,c),f(a+c,b+c,c/2,c/2),f(a-c/2,b+c,c/2,c/2),f(a-c/2,b-c/2,c/2,c/2),f(a+c,b-c/2,c/2,c/2)};f(635,215,650)

Dec 30 2018 9:53 AM UTC

}// 138/140

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#recursion #recursive microprocessor #fractal

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katkip

remix of d/11582 by u/katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭺㴨堬夬猩㴾筩昨猾㄰⥸⹦楬汒散琨堪猬夬猪㐬猩ⱸ⹦楬汒散琨堬太猬猬猪㔩ⱺ⡘⵳⨲ⱙⱳ⼱⸷⤬稨堬夭猪㈬猯ㄮ㜩ⱺ⡘ⱙ⭳ⱳ⼱⸷⤬稨堫猪㈬夬猯ㄮ㜩紬稨㤶〬㔴〬㈸〫䌨琪㈩⨲〩`.replace(/u(..)/g,"$1%")))

Dec 30 2018 9:44 AM UTC

}// 133/140

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#default in traffic #recursion

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katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭣牯獳㴨堬夬猩㴾筩昨猾㄰⥸⹦楬汒散琨堭猬夬猪㈬猯㄰⤬砮晩汬剥捴⡘ⱙ⵳ⱳ⼱〬猪㈩Ᵽ牯獳⡘⵳ⱙⱳ⼲⤬捲潳猨堬夭猬猯㈩Ᵽ牯獳⡘ⱙ⭳ⱳ⼲⤬捲潳猨堫猬夬猯㈩紻捲潳猨㤶〬㔴〬㈸〫䌨琩⨹㤩`.replace(/u(..)/g,"$1%")))

Dec 30 2018 9:30 AM UTC

}// 140/140

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Quadric Cross #fractal #recursion

u/katkip

c.width^=0;cross=(X,Y,s)=>{if(s>10)x.fillRect(X-s,Y,s*2,s/10),x.fillRect(X,Y-s,s/10,s*2),cross(X-s,Y,s/2),cross(X,Y-s,s/2),cross(X,Y+s,s/2),cross(X+s,Y,s/2)};cross(960,540,280+C(t)*99)
u/katkip

It could be golfed more but, eh, I would still need compression

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jonathan-potter

function u(t) {

c.width=960
f=(o,l,X=480,Y=270)=>{if(l>1){
x.fillRect(X,Y,2,2)
f(o+t*.1,l*.6,X+=l*C(o),Y+=l*S(o))
f(o-t,l*.75,X,Y)}}
f(t,99)
f(t+3,60)

Nov 12 2018 10:57 PM UTC

}// 134/140

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felt like doing some #selfsimilarity #recursion

u/katkip

cute #fractal

You've reached the end.

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