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feat: vector multiplication #1637

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Merged
robertosfield merged 1 commit into from
Dec 23, 2025
Merged

feat: vector multiplication #1637

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16 changes: 10 additions & 6 deletions include/vsg/maths/vec2.h
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,16 @@ namespace vsg
return *this;
}

friend constexpr t_vec2<T> operator*(const t_vec2<T>& lhs, T rhs)
{
return t_vec2<T>(lhs[0] * rhs, lhs[1] * rhs);
}

friend constexpr t_vec2<T> operator*(T lhs, const t_vec2<T>& rhs)
{
return t_vec2<T>(lhs * rhs[0], lhs * rhs[1]);
}

inline t_vec2& operator/=(value_type rhs)
{
if constexpr (std::is_floating_point_v<value_type>)
Expand Down Expand Up @@ -194,12 +204,6 @@ namespace vsg
return t_vec2<T>(lhs[0] + rhs[0], lhs[1] + rhs[1]);
}

template<typename T>
constexpr t_vec2<T> operator*(const t_vec2<T>& lhs, T rhs)
{
return t_vec2<T>(lhs[0] * rhs, lhs[1] * rhs);
}

template<typename T>
constexpr t_vec2<T> operator*(const t_vec2<T>& lhs, const t_vec2<T>& rhs)
{
Expand Down
16 changes: 10 additions & 6 deletions include/vsg/maths/vec3.h
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Expand Up @@ -115,6 +115,16 @@ namespace vsg
return *this;
}

friend constexpr t_vec3<T> operator*(const t_vec3<T>& lhs, T rhs)
{
return t_vec3<T>(lhs[0] * rhs, lhs[1] * rhs, lhs[2] * rhs);
}

friend constexpr t_vec3<T> operator*(T lhs, const t_vec3<T>& rhs)
{
return t_vec3<T>(lhs * rhs[0], lhs * rhs[1], lhs * rhs[2]);
}

inline t_vec3& operator*=(const t_vec3& rhs)
{
value[0] *= rhs.value[0];
Expand Down Expand Up @@ -204,12 +214,6 @@ namespace vsg
return t_vec3<T>(lhs[0] + rhs[0], lhs[1] + rhs[1], lhs[2] + rhs[2]);
}

template<typename T>
constexpr t_vec3<T> operator*(const t_vec3<T>& lhs, T rhs)
{
return t_vec3<T>(lhs[0] * rhs, lhs[1] * rhs, lhs[2] * rhs);
}

template<typename T>
constexpr t_vec3<T> operator*(const t_vec3<T>& lhs, const t_vec3<T>& rhs)
{
Expand Down
16 changes: 10 additions & 6 deletions include/vsg/maths/vec4.h
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Expand Up @@ -149,6 +149,16 @@ namespace vsg
return *this;
}

friend constexpr t_vec4<T> operator*(const t_vec4<T>& lhs, T rhs)
{
return t_vec4<T>(lhs[0] * rhs, lhs[1] * rhs, lhs[2] * rhs, lhs[3] * rhs);
}

friend constexpr t_vec4<T> operator*(T lhs, const t_vec4<T>& rhs)
{
return t_vec4<T>(lhs * rhs[0], lhs * rhs[1], lhs * rhs[2], lhs * rhs[3]);
}

inline t_vec4& operator/=(value_type rhs)
{
if constexpr (std::is_floating_point_v<value_type>)
Expand Down Expand Up @@ -236,12 +246,6 @@ namespace vsg
return t_vec4<T>(lhs[0] + rhs[0], lhs[1] + rhs[1], lhs[2] + rhs[2], lhs[3] + rhs[3]);
}

template<typename T>
constexpr t_vec4<T> operator*(const t_vec4<T>& lhs, T rhs)
{
return t_vec4<T>(lhs[0] * rhs, lhs[1] * rhs, lhs[2] * rhs, lhs[3] * rhs);
}

template<typename T>
constexpr t_vec4<T> operator*(const t_vec4<T>& lhs, const t_vec4<T>& rhs)
{
Expand Down
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