62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#ifndef llmr_util_vec2_
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#define llmr_util_vec2_
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#include <limits>
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#include <type_traits>
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namespace llmr {
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template <typename T = double>
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struct vec2 {
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struct null {};
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T x, y;
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inline vec2() {}
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inline vec2(null) : x(std::numeric_limits<T>::quiet_NaN()), y(std::numeric_limits<T>::quiet_NaN()) {}
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inline vec2(const vec2& o) : x(o.x), y(o.y) {}
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inline vec2(T x, T y) : x(x), y(y) {}
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inline bool operator==(const vec2& rhs) const {
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return x == rhs.x && y == rhs.y;
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}
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template<typename U = T, typename std::enable_if<std::numeric_limits<U>::has_quiet_NaN, int>::type = 0>
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inline operator bool() const {
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return !isnan(x) && !isnan(y);
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}
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};
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template <typename T = double>
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struct vec3 {
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T x, y, z;
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inline vec3() {}
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inline vec3(const vec3& o) : x(o.x), y(o.y), z(o.z) {}
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inline vec3(T x, T y, T z) : x(x), y(y), z(z) {}
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inline bool operator==(const vec3& rhs) const {
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return x == rhs.x && y == rhs.y && z == rhs.z;
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}
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};
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template <typename T = double>
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struct vec4 {
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T x, y, z, w;
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inline vec4() {}
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inline vec4(const vec4& o) : x(o.x), y(o.y), z(o.z), w(o.w) {}
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inline vec4(T x, T y, T z, T w) : x(x), y(y), z(z), w(w) {}
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inline bool operator==(const vec4& rhs) const {
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return x == rhs.x && y == rhs.y && z == rhs.z && w == rhs.w;
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}
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};
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struct box {
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vec2<double> tl, tr, bl, br;
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};
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}
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#endif
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