forked from Hartmut/paradiso
317cde6fa1
- add instructions for cross-compilation - add utility function for Windows and Linux executable path
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
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* Copyright 2023-2025 Hartmut Seichter and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef PARADISO_VECTOR_HPP
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#define PARADISO_VECTOR_HPP
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#include <paradiso/globals.hpp>
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#include <paradiso/matrix.hpp>
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namespace paradiso {
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/**
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* Basic vector types used in pixwerx.
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*/
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template <typename T> struct Vector2 : Matrix<2, 1, T> {
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using base_type = Matrix<2, 1, T>;
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constexpr const T& x() const noexcept { return (*this)[0]; }
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constexpr T& x() { return (*this)[0]; }
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constexpr const T& y() const { return (*this)[1]; }
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constexpr T& y() { return (*this)[1]; }
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inline auto homogenous(T w = 1) const {
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return Matrix<3, 1, T>({x(), y(), w});
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}
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static T angle_between(const Vector2& a, const Vector2& b) {
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return std::acos(dot(a.normalized(), b.normalized()));
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}
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};
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template <typename T> struct Vector3 : Matrix<3, 1, T> {
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using base_type = Matrix<3, 1, T>;
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constexpr const T& x() const { return (*this)[0]; }
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constexpr T& x() { return (*this)[0]; }
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constexpr const T& y() const { return (*this)[1]; }
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constexpr T& y() { return (*this)[1]; }
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constexpr Vector2<T> xy() const noexcept { return {x(), y()}; }
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static constexpr Vector3 cross(const Vector3& lhs, const Vector3& rhs) {
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return vector3_({lhs[1] * rhs[2] - rhs[1] * lhs[2],
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lhs[2] * rhs[0] - rhs[2] * lhs[0],
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lhs[0] * rhs[1] - rhs[0] * lhs[1]});
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}
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static constexpr auto x_axis() noexcept {
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return Vector3::make(T{1}, T{0}, T{0});
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}
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static constexpr auto y_axis() noexcept {
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return Vector3::make(T{0}, T{1}, T{0});
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}
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static constexpr auto z_axis() noexcept {
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return Vector3<T>::make(T{0}, T{0}, T{1});
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}
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};
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}; // namespace paradiso
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#endif
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