mirror of
https://github.com/orange-cpp/omath.git
synced 2026-02-14 07:23:26 +00:00
huge improvement
This commit is contained in:
@@ -5,10 +5,10 @@
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#include <algorithm>
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#include <array>
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#include <sstream>
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#include <utility>
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#include "Vector3.hpp"
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#include <stdexcept>
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#include <utility>
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#include "Angles.hpp"
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#include "Vector3.hpp"
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namespace omath
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@@ -33,8 +33,11 @@ namespace omath
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{
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Clear();
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}
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constexpr Mat(const std::initializer_list<std::initializer_list<Type> >& rows)
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constexpr static MatStoreType GetStoreOrdering()
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{
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return StoreType;
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}
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constexpr Mat(const std::initializer_list<std::initializer_list<Type>>& rows)
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{
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if (rows.size() != Rows)
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throw std::invalid_argument("Initializer list rows size does not match template parameter Rows");
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@@ -44,7 +47,7 @@ namespace omath
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{
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if (rowIt->size() != Columns)
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throw std::invalid_argument(
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"All rows must have the same number of columns as template parameter Columns");
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"All rows must have the same number of columns as template parameter Columns");
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auto colIt = rowIt->begin();
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for (size_t j = 0; j < Columns; ++j, ++colIt)
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@@ -133,8 +136,8 @@ namespace omath
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// Operator overloading for multiplication with another Mat
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template<size_t OtherColumns>
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constexpr Mat<Rows, OtherColumns, Type, StoreType> operator*(
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const Mat<Columns, OtherColumns, Type, StoreType>& other) const
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constexpr Mat<Rows, OtherColumns, Type, StoreType>
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operator*(const Mat<Columns, OtherColumns, Type, StoreType>& other) const
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{
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Mat<Rows, OtherColumns, Type, StoreType> result;
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@@ -158,8 +161,8 @@ namespace omath
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}
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template<size_t OtherColumns>
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constexpr Mat<Rows, OtherColumns, Type, StoreType> operator*=(
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const Mat<Columns, OtherColumns, Type, StoreType>& other)
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constexpr Mat<Rows, OtherColumns, Type, StoreType>
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operator*=(const Mat<Columns, OtherColumns, Type, StoreType>& other)
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{
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return *this = *this * other;
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}
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@@ -306,24 +309,22 @@ namespace omath
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[[nodiscard]]
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constexpr static Mat<4, 4> ToScreenMat(const Type& screenWidth, const Type& screenHeight) noexcept
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{
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return
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{
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{screenWidth / 2, 0, 0, 0},
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{0, -screenHeight / 2, 0, 0},
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{0, 0, 1, 0},
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{screenWidth / 2, screenHeight / 2, 0, 1},
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return {
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{screenWidth / 2, 0, 0, 0},
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{0, -screenHeight / 2, 0, 0},
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{0, 0, 1, 0},
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{screenWidth / 2, screenHeight / 2, 0, 1},
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};
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}
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[[nodiscard]]
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constexpr static Mat<4, 4> TranslationMat(const Vector3& diff) noexcept
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{
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return
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{
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{1, 0, 0, 0},
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{0, 1, 0, 0},
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{0, 0, 1, 0},
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{diff.x, diff.y, diff.z, 1},
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return {
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{1, 0, 0, 0},
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{0, 1, 0, 0},
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{0, 0, 1, 0},
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{diff.x, diff.y, diff.z, 1},
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};
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}
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@@ -331,52 +332,55 @@ namespace omath
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constexpr static Mat<4, 4> OrientationMat(const Vector3& forward, const Vector3& right,
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const Vector3& up) noexcept
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{
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return
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{
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{right.x, up.x, forward.x, 0},
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{right.y, up.y, forward.y, 0},
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{right.z, up.z, forward.z, 0},
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{0, 0, 0, 1},
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return {
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{right.x, up.x, forward.x, 0},
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{right.y, up.y, forward.y, 0},
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{right.z, up.z, forward.z, 0},
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{0, 0, 0, 1},
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};
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}
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[[nodiscard]]
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constexpr static Mat<4, 4> ProjectionMat(const Type& fieldOfView, const Type& aspectRatio,
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const Type& near, const Type& far, const Type& lensZoom) noexcept
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constexpr static Mat<4, 4> ProjectionMat(const Type& fieldOfView, const Type& aspectRatio, const Type& near,
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const Type& far, const Type& lensZoom) noexcept
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{
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const Type& fovHalfTan = std::tan(angles::DegreesToRadians(fieldOfView) / 2);
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const Type& frustumHeight = far - near;
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return
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{
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{-1 / (aspectRatio * fovHalfTan) * lensZoom, 0, 0, 0},
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{0, -1 / fovHalfTan * lensZoom, 0, 0},
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{0, 0, -far / frustumHeight, -1},
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{0, 0, near * far / frustumHeight, 0}
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};
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}
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[[nodiscard]]
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constexpr static Mat<4, 1> MatRowFromVector(const Vector3& vector) noexcept
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{
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return {{vector.x, vector.y, vector.z, 1}};
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}
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[[nodiscard]]
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constexpr static Mat<1, 4> MatColumnFromVector(const Vector3& vector) noexcept
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{
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return
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{
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{
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vector.x,
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vector.y,
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vector.z,
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1
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}
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};
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return {{-1 / (aspectRatio * fovHalfTan) * lensZoom, 0, 0, 0},
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{0, -1 / fovHalfTan * lensZoom, 0, 0},
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{0, 0, -far / frustumHeight, -1},
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{0, 0, near * far / frustumHeight, 0}};
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}
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private:
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std::array<Type, Rows * Columns> m_data;
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};
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}
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template<class T = float, MatStoreType St = MatStoreType::ROW_MAJOR>
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[[nodiscard]]
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constexpr static Mat<1, 4, T, St> MatRowFromVector(const Vector3& vector) noexcept
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{
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return {{vector.x, vector.y, vector.z, 1}};
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}
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template<class T = float, MatStoreType St = MatStoreType::ROW_MAJOR>
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[[nodiscard]]
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constexpr static Mat<4, 1, T, St> MatColumnFromVector(const Vector3& vector) noexcept
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{
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return {
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{vector.x}, {vector.y}, {vector.z}, {1}};
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}
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template<class T = float, MatStoreType St = MatStoreType::ROW_MAJOR>
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[[nodiscard]]
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constexpr Mat<4, 4, T, St> MatTranslation(const Vector3& diff) noexcept
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{
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return {
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{1, 0, 0, 0},
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{0, 1, 0, 0},
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{0, 0, 1, 0},
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{diff.x, diff.y, diff.z, 1},
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};
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}
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} // namespace omath
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