big refactor: i see i need header files

src/engineVector.c

@@ -0,0 +1,14 @@
+#include "engine.h"
+
+bool IsVectorZero(Vector2 v) {
+    float epsilon = 0.01f;
+    return (fabs(v.x) < epsilon && fabs(v.y) < epsilon);
+}
+
+Vector2 GetRandomVector(const Rectangle bounds) {
+    return (Vector2){
+        bounds.x + (float)GetRandomValue(0, 10000) / 10000.0f * bounds.width,
+        bounds.y + (float)GetRandomValue(0, 10000) / 10000.0f * bounds.height
+    };
+}
+