feat: collision functions added

code/game/aabb.h

@@ -0,0 +1,17 @@
+#if !defined(LD_CORE_AABB_H_)
+#define LD_CORE_AABB_H_
+#include "types.h"
+#include "../core/macros.h"
+
+
+typedef struct AABB AABB;
+struct AABB {
+  V2f pos;
+  V2f size;
+};
+
+
+function bool AABB_Collide(AABB a, AABB b); 
+function bool AABB_Point(AABB a, V2f v); 
+
+#endif  // LD_CORE_AABB_H_

code/game/impl/aabb.c

@@ -0,0 +1,15 @@
+#include "../aabb.h"
+#include "../types.h"
+
+bool AABB_Collide(AABB a, AABB b) {
+  bool collision_x = a.pos.x + a.size.x >= b.pos.x && b.pos.x + b.size.x >= a.pos.x;
+  bool collision_y = a.pos.y + a.size.x >= b.pos.y && b.pos.y + b.size.y >= a.pos.y;
+  return collision_x && collision_y;
+}
+
+bool AABB_Point(AABB a, V2f v) {
+  bool collision_x = a.pos.x + a.size.x >= v.x && a.pos.x <= v.x;
+  bool collision_y = a.pos.x + a.size.y >= v.y && a.pos.y <= v.y;
+  return collision_x && collision_y;
+}
+