Fix spacing and some comments

src/physac.c

@@ -30,13 +30,13 @@
 #endif
 
 #include <stdlib.h>         // Declares malloc() and free() for memory management
-#include <math.h>           // abs() and fminf()
+#include <math.h>           // Declares cos(), sin(), abs() and fminf() for math operations
 
 //----------------------------------------------------------------------------------
 // Defines and Macros
 //----------------------------------------------------------------------------------
-#define MAX_PHYSIC_OBJECTS      256
-#define PHYSICS_STEPS           450
+#define MAX_PHYSIC_OBJECTS      256             // Maximum available physic object slots in objects pool
+#define PHYSICS_STEPS           450             // Physics update steps number (divided calculations in steps per frame) to get more accurately collisions detections
 #define PHYSICS_ACCURACY        0.0001f         // Velocity subtract operations round filter (friction)
 #define PHYSICS_ERRORPERCENT    0.001f          // Collision resolve position fix