From c903d801f8154860ecc3d15d5278ec5937d6e074 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <tastyfish@seznam.cz>
Date: Sat, 29 Sep 2018 08:13:00 +0200
Subject: [PATCH] Fix empty pixels

---
 raycastlib.h |  3 +--
 test.c       | 13 +++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/raycastlib.h b/raycastlib.h
index 4ea8917..8207ee6 100644
--- a/raycastlib.h
+++ b/raycastlib.h
@@ -1191,7 +1191,6 @@ static inline int16_t _RCL_drawWall(
          i += increment)
     {
       // more expensive texture coord computing
-
       pixelInfo->position.y = i;
 
 #if RCL_COMPUTE_WALL_TEXCOORDS == 1
@@ -1523,7 +1522,7 @@ void _RCL_columnFunctionSimple(RCL_HitResult *hits, uint16_t hitCount,
     -1,_RCL_camResYLimit,p.hit.arrayValue,1,&p);
 
   y = RCL_max(y,limit); // take max, in case no wall was drawn
-  y = RCL_max(y,_RCL_middleRow + 1);
+  y = RCL_max(y,wallStart);
 
   // draw floor
 
diff --git a/test.c b/test.c
index 3b80e3a..dd5532b 100644
--- a/test.c
+++ b/test.c
@@ -17,9 +17,9 @@
 RCL_Unit testArrayFunc(int16_t x, int16_t y)
 {
   if (x > 12 || y > 12)
-    return x * y;
+    return x * y * RCL_UNITS_PER_SQUARE;
 
-  return (x < 0 || y < 0 || x > 9 || y > 9) ? 1 : 0;
+  return (x < 0 || y < 0 || x > 9 || y > 9) ? RCL_UNITS_PER_SQUARE : 0;
 }
 
 RCL_Unit testArrayFunc2(int16_t x, int16_t y)
@@ -206,6 +206,7 @@ int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ,
   RCL_Camera c;
 
   RCL_initRayConstraints(&constraints);
+  constraints.maxSteps = 32;
   RCL_initCamera(&c);
   c.position.x = camX;
   c.position.y = camY;
@@ -338,11 +339,11 @@ int main()
   if (!testPixelCount(
     3 * RCL_UNITS_PER_SQUARE + 100,
     4 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 3,
-    RCL_UNITS_PER_SQUARE,
-    312,
+    RCL_UNITS_PER_SQUARE / 2,
+    512,
     0,
-    200,
-    63,
+    120,
+    60,
     0))
     return 1;