diff --git a/raycastlib.h b/raycastlib.h
index 9db972a..0cdc3e1 100644
--- a/raycastlib.h
+++ b/raycastlib.h
@@ -420,7 +420,7 @@ Unit clamp(Unit value, Unit valueMin, Unit valueMax)
     return valueMin;
 }
 
-Unit absVal(Unit value)
+static inline Unit absVal(Unit value)
 {
   profileCall(absVal);
 
@@ -428,7 +428,7 @@ Unit absVal(Unit value)
 }
 
 /// Like mod, but behaves differently for negative values.
-Unit wrap(Unit value, Unit mod)
+static inline Unit wrap(Unit value, Unit mod)
 {
   profileCall(wrap);
 
@@ -436,7 +436,7 @@ Unit wrap(Unit value, Unit mod)
 }
 
 /// Performs division, rounding down, NOT towards zero.
-Unit divRoundDown(Unit value, Unit divisor)
+static inline Unit divRoundDown(Unit value, Unit divisor)
 {
   profileCall(divRoundDown);
 
@@ -619,7 +619,7 @@ Unit len(Vector2D v)
   return dist(zero,v);
 }
 
-int8_t pointIsLeftOfRay(Vector2D point, Ray ray)
+static inline int8_t pointIsLeftOfRay(Vector2D point, Ray ray)
 {
   profileCall(pointIsLeftOfRay);
 
diff --git a/testSDL.c b/testSDL.c
index e27250b..3f44e69 100644
--- a/testSDL.c
+++ b/testSDL.c
@@ -20,6 +20,8 @@
 #define HORIZONTAL_FOV (UNITS_PER_SQUARE / 5)
 #define VERTICAL_FOV UNITS_PER_SQUARE // redefine camera vertical FOV
 
+#define PIXEL_FUNCTION pixelFunc 
+
 #include "raycastlib.h"
 
 #define LEVEL_X_RES 29
@@ -874,7 +876,7 @@ void pixelFunc(PixelInfo *pixel)
   uint8_t c;
 
   if (pixel->isWall)
-    c = sampleImage(textures[pixel->hit.type],pixel->hit.textureCoord,pixel->textureCoordY);
+    c = sampleImage(textures[pixel->hit.type],pixel->texCoords.x,pixel->texCoords.y);
   else
     c = pixel->isFloor ? 0b00010001 : 0b00001010;
 
@@ -922,8 +924,7 @@ void draw()
   c.maxHits = 32;
   c.maxSteps = 32;
 
-  c.computeTextureCoords = 1;
-  render(camera,floorHeightAt,ceilingHeightAt,textureAt,pixelFunc,c);
+  render(camera,floorHeightAt,ceilingHeightAt,textureAt,c);
 
   Unit previousDepth;