Added skZero for other vector types

include/zeus/CVector2f.hpp

@@ -94,7 +94,7 @@ public:
     {
         v[0] = x;
         v[1] = y;
-        v[2] = 0;
+        v[2] = 0.0f;
         v[3] = 0.0f;
     }
     CVector2f(float x, float y) { assign(x, y); }
@@ -313,14 +313,7 @@ public:
 
     inline void zeroOut()
     {
-#if __SSE__
-        mVec128 = _mm_xor_ps(mVec128, mVec128);
-#else
-        v[0] = 0.0;
-        v[1] = 0.0;
-        v[2] = 0.0;
-        v[3] = 0.0;
-#endif
+        *this = CVector2f::skZero;
     }
 
     inline void splat(float xy)

include/zeus/CVector3d.hpp

@@ -58,7 +58,6 @@ public:
         v[0] = x;
         v[1] = y;
         v[2] = z;
-        v[3] = 0.0;
 #endif
     }
 
@@ -140,15 +139,7 @@ public:
 
     void zeroOut()
     {
-#if __SSE__
-        _mm_xor_pd(mVec128[0], mVec128[0]);
-        _mm_xor_pd(mVec128[1], mVec128[1]);
-#else
-        v[0] = 0.0;
-        v[1] = 0.0;
-        v[2] = 0.0;
-        v[3] = 0.0;
-#endif
+        *this = skZero;
     }
 
     inline CVector3d operator+(const CVector3d& rhs) const
@@ -203,6 +194,8 @@ public:
         __m128d mVec128[2];
 #endif
     };
+
+    static const CVector3d skZero;
 };
 
 static inline CVector3d operator+(double lhs, const CVector3d& rhs)

include/zeus/CVector3f.hpp

@@ -317,14 +317,7 @@ public:
 
     inline void zeroOut()
     {
-#if __SSE__
-        mVec128 = _mm_xor_ps(mVec128, mVec128);
-#else
-        v[0] = 0.0;
-        v[1] = 0.0;
-        v[2] = 0.0;
-        v[3] = 0.0;
-#endif
+        *this = CVector3f::skZero;
     }
 
     inline void splat(float xyz)

include/zeus/CVector4f.hpp

@@ -347,14 +347,7 @@ public:
 
     inline void zeroOut()
     {
-#if __SSE__
-        mVec128 = _mm_xor_ps(mVec128, mVec128);
-#else
-        v[0] = 0.0;
-        v[1] = 0.0;
-        v[2] = 0.0;
-        v[3] = 0.0;
-#endif
+        *this = CVector4f::skZero;
     }
 
     inline void splat(float xyzw)

src/CVector2f.cpp

@@ -8,7 +8,7 @@ namespace zeus
 {
 const CVector2f CVector2f::skOne = CVector2f(1.0);
 const CVector2f CVector2f::skNegOne = CVector2f(-1.0);
-const CVector2f CVector2f::skZero;
+const CVector2f CVector2f::skZero(0.f, 0.f);
 
 float CVector2f::getAngleDiff(const CVector2f& a, const CVector2f& b)
 {

src/CVector3f.cpp

@@ -18,6 +18,7 @@ const CVector3f CVector3f::skUp(0.f, 0.f, 1.f);
 const CVector3f CVector3f::skDown(0.f, 0.f, -1.f);
 const CVector3f CVector3f::skRadToDegVec(180.0f / M_PIF);
 const CVector3f CVector3f::skDegToRadVec(M_PIF / 180.0f);
+const CVector3d CVector3d::skZero(0.0, 0.0, 0.0);
 
 CVector3f::CVector3f(const CVector3d& vec)
 {

src/CVector4f.cpp

@@ -3,6 +3,8 @@
 
 namespace zeus
 {
+const CVector4f CVector4f::skZero(0.f, 0.f, 0.f, 0.f);
+
 CVector4f::CVector4f(const zeus::CColor& other) : x(other.r), y(other.g), z(other.b), w(other.a) {}
 
 CVector4f& CVector4f::operator=(const CColor& other)