From 69c0972c81c60f47217a6e345b6e01b73de41af4 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Wed, 31 Jan 2024 23:40:27 +0900
Subject: add files

---
 pw.rb | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 pw.rb

(limited to 'pw.rb')

diff --git a/pw.rb b/pw.rb
new file mode 100644
index 0000000..5d9692f
--- /dev/null
+++ b/pw.rb
@@ -0,0 +1,25 @@
+eval(s=(%w@q=$*[0]&.to_i;z="eval(s=(%w#{64.chr}#{s}##{s*9}#{64.chr}.join))";h=25
+;                                        w=80;px=2;py=h/2;vx=0.5;vy=-0.5;qx=w-3;
+q                                        y=h/2;ux=-0.5;uy=0.5;b=Array.new(h*w){|
+i                                        |y=i/w;x=i%w;(x==0||x==w-1||y==0||y==h-
+1                                        )?2:(w/2<x)?1:0};f=->(x,y,vx,vy,c){sx=v
+x                                        ;sy=vy;8.times{|i|t=i*Math::PI/4;cos=Ma
+t                                        h.cos(t);sin=Math.sin(t);nx=x+cos/2;ny=
+y                                        +sin/2;k=ny.to_i*w+nx.to_i;if(0<=nx&&nx
+<                                        w&&0<=ny&&ny<h&&b[k]!=c);b[k]==2?0:b[k]
+=                                        c;(sin.abs<cos.abs)?sx*=-1:sy*=-1;end};
+[                                        sx,sy]};g=->(x,y,vx,vy){[(x+vx<0||w<=x+
+v x                                      )?-vx:vx,(y+vy<0||h<=y+vy)?-vy:vy]};j=0
+;                                        loop{j+=1;(vx,vy=f[px,py,vx,vy,0]); (vx
+,                                        vy=g[px,py,vx,vy]);px+=vx;py+=vy;(ux,uy
+=                                        f[qx,qy,ux,uy,1]);(ux,uy=g[qx,qy,ux,uy]
+)                                        ;qx+=ux;qy+=uy;q&&((q<j)?(break):(q!=j)
+?                                        (next):0);q||(print"\e[H\e[2J");c=[];h.
+t                                        imes{|y|w.times{|x|c<<!(b[y*w+x]==0&&[p
+x                                        .to_i,py.to_i]!=[x,y]||[qx.to_i,qy.to_i
+]                                        ==[x,y])};};t=c.count(!!0);i=0;h.times{
+|                                        y|w.times{|x|print((y==h-1&&x>=w-8)?"#{
+6                                        4.chr}.join))"[8+x-w]:c[y*w+x]?[z[i],i+
+=                                        1][0]:32.chr)};puts;};sleep(0.05);}#q=$
+*                                        [0]&.to_i;z="eval(s=(%w#{64.chr}#{s}##{
+s*9}#{64.chr}.join))";h=25;w=80;px=2;py=h/2;vx=0.5;vy=-0.5;qx=w-3;qy=h/2@.join))
-- 
cgit v1.2.3-70-g09d2