Scale the projection plane to the screen correctly

Also bumped up the textures to 32x32

1 files changed, 6 insertions, 2 deletions

diff --git a/src/raycast.zig b/src/raycast.zig
index 6acc16b..608bb10 100644
--- a/src/raycast.zig
+++ b/src/raycast.zig
@@ -84,11 +84,15 @@ pub const Player = struct {
     pub fn renderMapUsing(
         self: Player,
         window: RenderWindow,
-        sprite: Sprite,
+        wallSprite: Sprite,
         map: Map,
         // the abstract the rendering call
         renderWall: RenderWallFunction,
     ) void {
+        self.renderWalls(window, wallSprite, map, renderWall);
+    }
+
+    fn renderWalls(self: Player, window: RenderWindow, wallSprite: Sprite, map: Map, renderWall: RenderWallFunction) void {
         const floor = std.math.floor;
 
         var col: i32 = 0;
@@ -183,7 +187,7 @@ pub const Player = struct {
                     // textures, in this case clockwise
                     if ((horizontal_hit and sinra < 0) or (!horizontal_hit and cosra > 0)) texfrac = 1 - texfrac;
 
-                    renderWall(window, sprite, col, top, total_length, draw_frac, texfrac, cell.wall_texture);
+                    renderWall(window, wallSprite, col, top, total_length, draw_frac, texfrac, cell.wall_texture);
 
                     highest_point = top;
                 }