Changed Ray and Plane to set values for their default constructor.

Changed some of the Vector and Quaternion constructors to set their values using an initialization list instead of calling a method.

gameplay/src/Plane.cpp

@@ -9,6 +9,7 @@ namespace gameplay
 {
 
 Plane::Plane()
+    : _normal(0, 1, 0), _distance(0)
 {
 }
 

gameplay/src/Plane.h

@@ -37,7 +37,7 @@ public:
     static const int INTERSECTS_BACK = -1;
 
     /**
-     * Constructor.
+     * Constructs a new plane with normal (0, 1, 0) and distance 0.
      */
     Plane();
 

gameplay/src/Quaternion.cpp

@@ -10,8 +10,8 @@ Quaternion::Quaternion()
 }
 
 Quaternion::Quaternion(float x, float y, float z, float w)
+    : x(x), y(y), z(z), w(w)
 {
-    set(x, y, z, w);
 }
 
 Quaternion::Quaternion(float* array)

gameplay/src/Ray.cpp

@@ -9,6 +9,7 @@ namespace gameplay
 {
 
 Ray::Ray()
+    : _direction(0, 0, 1)
 {
 }
 

gameplay/src/Ray.h

@@ -27,7 +27,7 @@ public:
     static const int INTERSECTS_NONE = -1;
 
     /**
-     * Constructor.
+     * Constructs a new ray initialized to origin(0,0,0) and direction(0,0,1).
      */
     Ray();
 

gameplay/src/Vector2.cpp

@@ -10,8 +10,8 @@ Vector2::Vector2()
 }
 
 Vector2::Vector2(float x, float y)
+    : x(x), y(y)
 {
-    set(x, y);
 }
 
 Vector2::Vector2(const float* array)

gameplay/src/Vector3.cpp

@@ -11,8 +11,8 @@ Vector3::Vector3()
 }
 
 Vector3::Vector3(float x, float y, float z)
+    : x(x), y(y), z(z)
 {
-    set(x, y, z);
 }
 
 Vector3::Vector3(const float* array)

gameplay/src/Vector4.cpp

@@ -10,8 +10,8 @@ Vector4::Vector4()
 }
 
 Vector4::Vector4(float x, float y, float z, float w)
+    : x(x), y(y), z(z), w(w)
 {
-    set(x, y, z, w);
 }
 
 Vector4::Vector4(const float* src)