From 37c22e7545655a6b8169279a085d15a38cfa05f9 Mon Sep 17 00:00:00 2001
From: r4tss <68610647+r4tss@users.noreply.github.com>
Date: Thu, 22 Apr 2021 08:57:10 +0200
Subject: did stuff

---
 distances |  91 ++++++++++++++++++++++++++++++++++++++++++++++++
 ndoom.sh  | 118 ++++++++++++++++++++++----------------------------------------
 render.sh |  43 +++++++++++++++++++++++
 3 files changed, 176 insertions(+), 76 deletions(-)
 create mode 100644 distances
 create mode 100755 render.sh

diff --git a/distances b/distances
new file mode 100644
index 0000000..e88a144
--- /dev/null
+++ b/distances
@@ -0,0 +1,91 @@
+4.91746288276197613692 
+4.86070647846171132861 
+4.80597666477292522132 
+4.75322577317980001295 
+4.70241057849283816236 
+4.65349208373923790685 
+4.60643532510449528362 
+4.56120919512121916374 
+4.51778628248388026448 
+4.47614272703082907556 
+4.43625808858026777906 
+4.39811522843747079080 
+4.36170020250866084700 
+4.32700216506457075205 
+4.29401328229566494578 
+4.26272865489290218471 
+4.23314624897429006826 
+4.20526683475968970673 
+4.17909393247564214362 
+4.15463376504957786303 
+4.13189521722971827218 
+4.00033312997138600204 
+4.00241180833953426227 
+4.00639694265200266674 
+4.01229256940290965319 
+4.02010468261656397857 
+4.02984126597056894302 
+4.04151233553111786431 
+4.05512999329150279570 
+4.07070849175881134182 
+4.08826430989254757354 
+4.10781624076349382234 
+4.12938549137258679988 
+4.15299579514902988789 
+4.17867353773549700466 
+4.20644789676739496542 
+4.23635099646415898762 
+4.26841807797503474727 
+4.30268768656151821623 
+4.33920187685558590845 
+4.37800643760934487599 
+4.41915113755040243673 
+4.46268999418115576598 
+4.50868156761288627512 
+4.55718928181116540769 
+4.60828177595250223005 
+4.66203328895910474283 
+4.71852408069581730600 
+4.77784089378868020928 
+4.84007746056753006902 
+4.90533506025675753739 
+4.97372313225198910332 
+5.04535995214180931312 
+5.12037337808147922421 
+5.19890167622241583049 
+5.28109443517393970139 
+5.36711358095490870903 
+5.45713450562146505175 
+5.55134732478058707908 
+5.64995828157495526230 
+5.75319131752286501612 
+5.86128983390319916021 
+5.97451867129492405382 
+6.09316633954269753569 
+6.21754753598516637167 
+6.34800599644937824715 
+3.57161069252959064625 
+3.51608852596009908236 
+3.46276614252827744904 
+3.41150617449867058766 
+2.10413606953403533497 
+2.07808340368291366530 
+2.05286138919961155545 
+2.02842006751707954041 
+2.00471319970610649479 
+1.98169792362910897112 
+1.95933444825340321146 
+1.93758578052670992705 
+1.91641748085756976936 
+7.59930495338969927077 
+7.51283988299293113437 
+7.42979438030052824861 
+5.09981089470626895275 
+5.04483922570274142907 
+2.82360588060097635914 
+2.79331713427272527228 
+2.76385975150604993199 
+2.73519850714179878463 
+2.70730053958322037706 
+2.68013519486343531074 
+3.67127679848351789611 
diff --git a/ndoom.sh b/ndoom.sh
index 25beb32..e00a6f2 100755
--- a/ndoom.sh
+++ b/ndoom.sh
@@ -1,30 +1,22 @@
-#!/bin/ksh93
+#!/bin/zsh
 readonly PI=3.1415926535897932384626
 sw=10
 sh=5
 w=0
 h=0
-x=3
-y=3
+x=4
+y=4
 dx=0
 dy=0
-a=9
+a=2
 quit=0
 stepX=0
 stepY=0
-sa=$(echo "($PI / 6) * -1" | bc -l)
-ba=$(echo "$PI / 6" | bc -l)
+sa=$(echo "($PI / 4) * -1" | bc -l)
+ba=$(echo "$PI / 4" | bc -l)
 
 mapSize=8
-map=(	1 1 1 1 1 1 1 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 0 0 0 0 0 0 1 \ 
-	1 1 1 1 1 1 1 1 )
+map=(1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1)
 
 function rr {
 	if [ $1 -eq 0 ]
@@ -43,91 +35,65 @@ function rr {
 }
 
 function dir {
-	if [ $(echo "$a < 0" | bc) -eq 1 ]
-	then
-		ab=$(echo "$a - ($PI * 2)" | bc)
-	else
-		ab=$a
-	fi
-	ax=$a
-	ay=$(echo "($PI * 0.5) - $a" | bc)
+	ab=$1
 	if [ $(echo "$1 > 0" | bc) -eq 1 ] && [ $(echo "$1 < ($PI * 0.5)" | bc) -eq 1 ]
 	then
 		stepX=1
-		stepY=1
+		stepY=-1
 		ax=$ab
-		ay=$(echo "(PI * 0.5) - ab" | bc)
+		ay=$(echo "($PI * 0.5) - $ab" | bc)
 	elif [ $(echo "$1 > ($PI * 0.5)" | bc -l) -eq 1 ] && [ $(echo "$1 < $PI" | bc -l) -eq 1 ]
 	then
 		stepX=-1
-		stepY=1
+		stepY=-1
 		ax=$(echo "$PI - $ab" | bc)
-		oy=$(echo "$ab - ($PI * 0.5)" | bc)
+		ay=$(echo "$ab - ($PI * 0.5)" | bc)
 	elif [ $(echo "$1 > $PI" | bc -l) -eq 1 ] && [ $(echo "$1 < ($PI * 1.5)" | bc -l) -eq 1 ]
 	then
 		stepX=-1
-		stepY=-1
+		stepY=1
 		ax=$(echo "$ab - $PI" | bc)
 		ay=$(echo "($PI * 1.5) - $ab" | bc)
 	else
 		stepX=1
-		stepY=-1
+		stepY=1
 		ax=$(echo "($PI * 2) - $ab" | bc)
 		ay=$(echo "$ab - ($PI * 1.5)" | bc)
 	fi
 }
 
-function check_arr {
-
-}
-
-#while [ $h -lt $sh ]
+#while [ !$quit ]
 #do
-#	while [ $w -lt $sw ]
-#	do
-#		echo -n '#'
-#		((w++))
-#	done
-#	echo -ne '\n'
-#	((h++))
-#	w=0
-#done
-
-while [ !$quit ]
+echo -n > distances
+rc=0
+while [ $rc -lt 91 ]
 do
-	rc=0
 	rx=$(rr 0 $x)
 	ry=$(rr 1 $y)
-	sideX=$(echo "$x - $rx" | bc)
-	sideY=$(echo "$y - $ry" | bc)
-	while [ $rc -lt 61 ]
+	hit=0
+	ra=$(echo "a=($a + $sa); if (a<0) a + ($PI * 2) else a" | bc)
+	dir $ra
+	dx=$(echo "a=(1 / (s($ax) / c($ax))); if (a>1) $stepX else a" | bc -l)
+	dy=$(echo "a=(1 / (s($ay) / c($ay))); if (a>1) $stepY else a" | bc -l)
+	rlc=0
+	rx=$(echo "if ($stepX==1) ($x / 1) + 1 else $x / 1" | bc)
+	ry=$(echo "if ($stepY==-1) ($y / 1) + 1 else $y / 1" | bc)
+	while [ $hit -eq 0 ]
 	do
-		hit=0
-		rlc=0
-		ra=$(echo "$a + $sa" | bc)
-		dir $ra
-		dx=$(echo "1 / (s($ax) / c($ax))" | bc -l)
-		dy=$(echo "1 / (s($ay) / c($ay))" | bc -l)
-		#echo $stepX $stepY
-		while [ $rlc -lt 2 ]
-		do
-			a=$(echo "$rx + ($mapSize * $ry)" | bc)
-			echo $a $rx $ry
-			if [ $rc -eq 0 ]
-			then
-				rx=$(echo "if ($stepX==1) ($x / 1) + 1 else $x / 1" | bc)
-				ry=$(echo "if ($stepY==1) ($y / 1) + 1 else $y / 1" | bc)
-				((rlc++))
-			elif [ ${map[@]} -eq 1 ]
-			then
-				hit=1
-				((rlc++))
-			else
-				rx=$(echo "")
-			fi
-		done
-		sa=$(echo "$sa + ($PI / 180)" | bc -l)
-		(( rc++ ))
+		if [ ${map[$(echo "$rx + ($mapSize * $ry)" | bc)]} -eq 1 ]
+		then
+			hit=1
+		else
+			rx=$(echo "$rx + $dx" | bc)
+			ry=$(echo "$ry + $dy" | bc)
+		fi
 	done
-	break
+	sideX=$(echo "if($rx>$x) $rx - $x else $x - $rx" | bc)
+	sideY=$(echo "if($ry>$y) $ry - $y else $y - $ry" | bc)
+	echo "$(echo "sqrt(($sideX * $sideX) + ($sideY * $sideY))" | bc) " >> distances
+	sa=$(echo "$sa + ($PI / 180)" | bc -l)
+	(( rc++ ))
 done
+#./draw.sh
+#	break
+#done
diff --git a/render.sh b/render.sh
new file mode 100755
index 0000000..d686f40
--- /dev/null
+++ b/render.sh
@@ -0,0 +1,43 @@
+#!/bin/zsh
+W=0
+H=0
+height=0
+
+echo ${distance[1]}
+
+function a { #input format: distance, height, invert
+	if [ $(echo "$(sed -n $(echo $((W + 1))p) distances) < ($height * 0.75)" | bc) -eq 1 ]
+	then
+		b="#"
+	elif [ $H -gt 20 ]
+	then
+		b="-"
+	else
+		b=" "
+	fi
+}
+
+while [ $H -lt 41 ]
+do
+	echo
+	while [ $W -lt 91 ]
+	do
+		a
+		if [ $W -eq 90 ]
+		then
+			echo $b
+		else
+			echo -n $b
+		fi
+		echo -n " "
+		((W++))
+	done
+	((H++))
+	if [ $H -lt 21 ]
+	then
+		((height++))
+	else
+		((height--))
+	fi
+	W=0
+done
-- 
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