Add profiling with Remotery

vec3.hpp

@@ -136,12 +136,14 @@ inline vec3 operator/(vec3 v, double t)
 // Straightforward dot product
 inline double dot(const vec3 &u, const vec3 &v)
 {
+
     return u.x*v.x + u.y*v.y + u.z*v.z;
 }
 
 // Cross product between two vectors
 inline vec3 cross(const vec3 &u, const vec3 &v)
 {
+
     return vec3(u.y * v.z - u.z * v.y,
                 u.z * v.x - u.x * v.z,
                 u.x * v.y - u.y * v.x);
@@ -150,12 +152,13 @@ inline vec3 cross(const vec3 &u, const vec3 &v)
 // Normalize vector so its length = 1
 inline vec3 normalize(const vec3 v)
 {
+
     return v / v.length();
 }
 
 // Returns a vec3 of random components between [-1,1) that is inside a unit sphere
 vec3 random_in_unit_sphere()
-{
+{    
     // Iterate until we find a vector with length < 1
     while (true)
     {
@@ -173,7 +176,7 @@ vec3 random_unit_vector()
 }
 
 vec3 random_in_hemisphere(const vec3& normal)
-{
+{    
     vec3 in_unit_sphere = random_in_unit_sphere();
     
     if (dot(in_unit_sphere, normal) > 0.0)