4 files changed, 47 insertions, 12 deletions
diff --git a/include/bullets.h b/include/bullets.h
new file mode 100644
index 0000000..e8ddb86
--- /dev/null
+++ b/include/bullets.h
@@ -0,0 +1,23 @@
+#ifndef INCLUDE_BULLETS
+#define INCLUDE_BULLETS
+
+#include <projectbase/project_base.h>
+
+#include "players.h"
+#include "objects.h"
+#include "map.h"
+
+typedef struct t_bullet {
+	bool active;
+	vec3f position;
+	float endx;
+	float endy;
+	float alive_time;
+} bullet;
+
+bullet bullets[500] = {0};
+int max_bullets = 500;
+
+void draw_bullets(platform_window* window);
+
+#endif
+\ No newline at end of file
diff --git a/include/map.h b/include/map.h
index 735c106..80772b1 100644
--- a/include/map.h
+++ b/include/map.h
@@ -31,7 +31,7 @@ typedef struct t_map_info {
 	int tile_width;
 	int tile_height;
 	int px_raised_per_h;
-	int px_incline;
+	float px_incline;
 } map_info;
 
 // data data that is stored on disk
diff --git a/include/math_helper.h b/include/math_helper.h
new file mode 100644
index 0000000..1b84ebf
--- /dev/null
+++ b/include/math_helper.h
@@ -0,0 +1,21 @@
+#ifndef INCLUDE_MATH_HELPER
+#define INCLUDE_MATH_HELPER
+
+#include <projectbase/project_base.h>
+
+#include "players.h"
+#include "objects.h"
+#include "map.h"
+
+#define MAP_RENDER_DEPTH renderer->set_render_depth(1);
+#define BULLET_RENDER_DEPTH(_h) renderer->set_render_depth(4 + ceil(_h));
+#define OBJECT_RENDER_DEPTH(_h) renderer->set_render_depth(5 + ceil(_h));
+
+bool onSegment(vec2f p, vec2f q, vec2f r);
+int orientation(vec2f p, vec2f q, vec2f r);
+bool lines_intersect(vec2f p1, vec2f q1, vec2f p2, vec2f q2);
+vec2f get_intersection_point(vec2f A, vec2f B, vec2f C, vec2f D);
+box get_render_box_of_square(platform_window* window, vec3f position, vec3f size);
+box get_box_of_square(platform_window* window, vec3f position, vec3f size);
+
+#endif
+\ No newline at end of file
diff --git a/include/players.h b/include/players.h
index 844cb17..ef94489 100644
--- a/include/players.h
+++ b/include/players.h
@@ -5,17 +5,8 @@
 
 #include "map.h"
 #include "objects.h"
-
-typedef struct t_bullet {
-	bool active;
-	vec3f position;
-	float endx;
-	float endy;
-	float alive_time;
-} bullet;
-
-bullet bullets[500] = {0};
-int max_bullets = 500;
+#include "zombies.h"
+#include "math_helper.h"
 
 float sec_since_last_shot = 10.0f;
 float playerx = 3;