Fix inflexible chunk size

Chunk size should now be customizable depending on use case.

Author: bernhardstrobl

engine/chunk_globals.h

@@ -6,7 +6,9 @@
 //#define WORLD_SIZE_X 12 //amount of chunks in x orientation
 //#define WORLD_SIZE_Y 12 //amount of chunks in y orientation
 
-#define CHUNK_SIZE (FIXED_POINT_FACTOR * 10) //10 meter size per chunk
+#define CHUNK_UNITS 10 //10 meter size per chunk (max is around 64)
+
+#define CHUNK_SIZE (FIXED_POINT_FACTOR * CHUNK_UNITS) //Total fixed point representation of one chunk
 //starting location of chunks in world coordinates
 #define CHUNK_OFFSET_X (-(WORLD_SIZE_X * CHUNK_SIZE) / 2)
 #define CHUNK_OFFSET_Y (-(WORLD_SIZE_Y * CHUNK_SIZE) / 2)

engine/render_camera.cpp

@@ -1,4 +1,5 @@
 #include "render_globals.h"
+#include "chunk_globals.h"
 #include "render_math.h"
 
 float camera_position[3] = {0.0, 0.0, 0.0};
@@ -120,12 +121,12 @@ void render_view_projection() {
         float old_position_z = camera_position[2];
 
         //calculate and update needed global offsets
-        global_offset_x = camera_position[0] / 10;
-        global_offset_z = camera_position[2] / 10;
+        global_offset_x = camera_position[0] / CHUNK_UNITS;
+        global_offset_z = camera_position[2] / CHUNK_UNITS;
 
         //we update the camera position to the new one and move the camera
-        camera_position[0] -= global_offset_x * 10;
-        camera_position[2] -= global_offset_z * 10;
+        camera_position[0] -= global_offset_x * CHUNK_UNITS;
+        camera_position[2] -= global_offset_z * CHUNK_UNITS;
 
         update_camera();
 

game/logic_menu.cpp

@@ -69,7 +69,6 @@ void display_menu() {
         #else
         if (demo_progress < 2500) {
             text("Pico3D Engine", 28, 20);
-            text("by: Bernhard Strobl", 10, 30);
         }
 
         if ((demo_progress / 32) % 2 == 0) {