refactor: header file for every module

include/engineVector.h

@@ -0,0 +1,22 @@
+#ifndef ENGINE_VECTOR_H
+#define ENGINE_VECTOR_H
+
+#include <raylib.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+typedef struct {
+  Vector2 *data;
+  size_t count;
+} Vector2Array;
+
+Vector2 GetDirectionBetweenTwoVectors(Vector2 vec1, Vector2 vec2);
+float GetDistanceBetweenTwoVectors(Vector2 vec1, Vector2 vec2);
+bool IsVectorZero(Vector2 v);
+Vector2 GetRandomVector(const Rectangle bounds);
+Vector2 RotationToVector2(float rotation);
+float Vector2ToRotation(Vector2 vec);
+float Cross2D(Vector2 a, Vector2 b);
+void ApplyCollisionSteer(float *rotation, float side, float deltaTime);
+
+#endif