Throw in the distance to mess with it later.

raycaster.cpp

@@ -28,9 +28,9 @@ union ColorConv {
  * and I guess the compiler can handle it better than shifting
  * bits around.
  */
-inline uint32_t new_lighting(uint32_t pixel, int level) {
-  float factor = level * PERCENT;
-
+inline uint32_t new_lighting(uint32_t pixel, float dist, int level) {
+  (void)dist; // ignore for now until I can do more research
+  float factor = float(level) * PERCENT;
   ColorConv conv{.as_int=pixel};
   conv.as_color.r *= factor;
   conv.as_color.g *= factor;
@@ -281,7 +281,7 @@ void Raycaster::cast_rays() {
       tex_pos += step;
       RGBA pixel = texture[texture_height * tex_y + tex_x];
       int light_level = lights[map_y][map_x];
-      $pixels[pixcoord(x, y)] = new_lighting(pixel, light_level);
+      $pixels[pixcoord(x, y)] = new_lighting(pixel, perp_wall_dist, light_level);
     }
 
     // SET THE ZBUFFER FOR THE SPRITE CASTING
@@ -349,11 +349,11 @@ void Raycaster::draw_ceiling_floor() {
 
       // FLOOR
       color = $floor_texture[texture_width * ty + tx];
-      $pixels[pixcoord(x, y)] = new_lighting(color, light_level);
+      $pixels[pixcoord(x, y)] = new_lighting(color, row_distance, light_level);
 
       // CEILING
       color = $ceiling_texture[texture_width * ty + tx];
-      $pixels[pixcoord(x, $height - y - 1)] = new_lighting(color, light_level);
+      $pixels[pixcoord(x, $height - y - 1)] = new_lighting(color, row_distance, light_level);
     }
   }
 }