Added Floor, Ceil, and Round functions to AZ::Vector2/3/4 (#4470)

https://github.com/o3de/o3de/issues/4216
Signed-off-by: bosnichd <bosnichd@amazon.com>

Code/Framework/AzCore/AzCore/Math/Vector2.h

@@ -180,6 +180,13 @@ namespace AZ
         bool IsGreaterEqualThan(const Vector2& v) const;
         //! @}
 
+        //! Floor/Ceil/Round functions, operate on each component individually, result will be a new Vector2.
+        //! @{
+        Vector2 GetFloor() const;
+        Vector2 GetCeil() const;
+        Vector2 GetRound() const; // Ties to even (banker's rounding)
+        //! @}
+
         //! Min/Max functions, operate on each component individually, result will be a new Vector2.
         //! @{
         Vector2 GetMin(const Vector2& v) const;

Code/Framework/AzCore/AzCore/Math/Vector2.inl

@@ -398,6 +398,24 @@ namespace AZ
     }
 
 
+    AZ_MATH_INLINE Vector2 Vector2::GetFloor() const
+    {
+        return Vector2(Simd::Vec2::Floor(m_value));
+    }
+
+
+    AZ_MATH_INLINE Vector2 Vector2::GetCeil() const
+    {
+        return Vector2(Simd::Vec2::Ceil(m_value));
+    }
+
+
+    AZ_MATH_INLINE Vector2 Vector2::GetRound() const
+    {
+        return Vector2(Simd::Vec2::Round(m_value));
+    }
+
+
     AZ_MATH_INLINE Vector2 Vector2::GetMin(const Vector2& v) const
     {
 #if AZ_TRAIT_USE_PLATFORM_SIMD_SCALAR

Code/Framework/AzCore/AzCore/Math/Vector3.h

@@ -211,6 +211,13 @@ namespace AZ
         bool IsGreaterEqualThan(const Vector3& rhs) const;
         //! @}
 
+        //! Floor/Ceil/Round functions, operate on each component individually, result will be a new Vector3.
+        //! @{
+        Vector3 GetFloor() const;
+        Vector3 GetCeil() const;
+        Vector3 GetRound() const; // Ties to even (banker's rounding)
+        //! @}
+
         //! Min/Max functions, operate on each component individually, result will be a new Vector3.
         //! @{
         Vector3 GetMin(const Vector3& v) const;

Code/Framework/AzCore/AzCore/Math/Vector3.inl

@@ -481,6 +481,24 @@ namespace AZ
     }
 
 
+    AZ_MATH_INLINE Vector3 Vector3::GetFloor() const
+    {
+        return Vector3(Simd::Vec3::Floor(m_value));
+    }
+
+
+    AZ_MATH_INLINE Vector3 Vector3::GetCeil() const
+    {
+        return Vector3(Simd::Vec3::Ceil(m_value));
+    }
+
+
+    AZ_MATH_INLINE Vector3 Vector3::GetRound() const
+    {
+        return Vector3(Simd::Vec3::Round(m_value));
+    }
+
+
     AZ_MATH_INLINE Vector3 Vector3::GetMin(const Vector3& v) const
     {
 #if AZ_TRAIT_USE_PLATFORM_SIMD_SCALAR

Code/Framework/AzCore/AzCore/Math/Vector4.h

@@ -189,6 +189,13 @@ namespace AZ
         bool IsGreaterEqualThan(const Vector4& rhs) const;
         //! @}
 
+        //! Floor/Ceil/Round functions, operate on each component individually, result will be a new Vector4.
+        //! @{
+        Vector4 GetFloor() const;
+        Vector4 GetCeil() const;
+        Vector4 GetRound() const; // Ties to even (banker's rounding)
+        //! @}
+
         //! Min/Max functions, operate on each component individually, result will be a new Vector4.
         //! @{
         Vector4 GetMin(const Vector4& v) const;

Code/Framework/AzCore/AzCore/Math/Vector4.inl

@@ -464,6 +464,24 @@ namespace AZ
     }
 
 
+    AZ_MATH_INLINE Vector4 Vector4::GetFloor() const
+    {
+        return Vector4(Simd::Vec4::Floor(m_value));
+    }
+
+
+    AZ_MATH_INLINE Vector4 Vector4::GetCeil() const
+    {
+        return Vector4(Simd::Vec4::Ceil(m_value));
+    }
+
+
+    AZ_MATH_INLINE Vector4 Vector4::GetRound() const
+    {
+        return Vector4(Simd::Vec4::Round(m_value));
+    }
+
+
     AZ_MATH_INLINE Vector4 Vector4::GetMin(const Vector4& v) const
     {
 #if AZ_TRAIT_USE_PLATFORM_SIMD_SCALAR