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6b34694784
template<unsigned N> Prims<N> = Eigen::Matrix<unsigned, N, Eigen::Dynamic> Replaces std::vector<Primitive<N>>
39 lines
927 B
C++
39 lines
927 B
C++
#pragma once
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#include <tc/core.hpp>
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#include <cmath>
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#include <optional>
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#include <numeric>
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#include <iostream>
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#include "combo_iterator.hpp"
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template<unsigned N>
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using Prims = Eigen::Matrix<unsigned, N, Eigen::Dynamic>;
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template<int N>
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using vec = Eigen::Matrix<float, N, 1>;
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template<int N>
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using mat = Eigen::Matrix<float, N, N>;
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using vec1 = vec<1>;
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using vec2 = vec<2>;
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using vec3 = vec<3>;
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using vec4 = vec<4>;
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using vec5 = vec<5>;
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using mat1 = mat<1>;
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using mat2 = mat<2>;
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using mat3 = mat<3>;
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using mat4 = mat<4>;
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using mat5 = mat<5>;
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mat4 ortho(float left, float right, float bottom, float top, float front, float back) {
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mat<4> res = mat4();
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res <<
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2 / (right - left), 0, 0, -(right + left) / (right - left),
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0, 2 / (top - bottom), 0, -(top + bottom) / (top - bottom),
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0, 0, 2 / (front - back), -(front + back) / (front - back),
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0, 0, 0, 1;
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return res;
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}
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