comparison: src/geometry.h
src/geometry.h
- changeset 374
- 75efc3ba5a56
- parent 373
- e34d6a30b96d
equal
deleted
inserted
replaced
| 373:e34d6a30b96d | 374:75efc3ba5a56 |
|---|---|
| 54 }; | 54 }; |
| 55 struct LineSegment2D | 55 struct LineSegment2D |
| 56 { | 56 { |
| 57 glm::vec2 p1, p2; | 57 glm::vec2 p1, p2; |
| 58 }; | 58 }; |
| 59 | |
| 60 // get polygon type from amount of points | |
| 61 template<int N> | |
| 62 struct PolygonType {}; | |
| 63 template<> | |
| 64 struct PolygonType<2> { using type = LineSegment; }; | |
| 65 template<> | |
| 66 struct PolygonType<3> { using type = Triangle; }; | |
| 67 template<> | |
| 68 struct PolygonType<4> { using type = Quadrilateral; }; | |
| 69 template<int N> | |
| 70 using Polygon = typename PolygonType<N>::type; | |
| 71 | 59 |
| 72 /** | 60 /** |
| 73 * @brief Computes a line from two points | 61 * @brief Computes a line from two points |
| 74 * @param point_1 | 62 * @param point_1 |
| 75 * @param point_2 | 63 * @param point_2 |
| 129 glm::vec3 scaling; | 117 glm::vec3 scaling; |
| 130 glm::mat4 unscaled; | 118 glm::mat4 unscaled; |
| 131 }; | 119 }; |
| 132 unscaled_matrix unscale_matrix(const glm::mat4& matrix); | 120 unscaled_matrix unscale_matrix(const glm::mat4& matrix); |
| 133 | 121 |
| 134 struct NPolygon | |
| 135 { | |
| 136 std::vector<glm::vec3> points; | |
| 137 }; | |
| 138 | |
| 139 inline constexpr bool isclose(const glm::vec3& a, const glm::vec3& b) | 122 inline constexpr bool isclose(const glm::vec3& a, const glm::vec3& b) |
| 140 { | 123 { |
| 141 return qFuzzyCompare(a.x, b.x) | 124 return qFuzzyCompare(a.x, b.x) |
| 142 and qFuzzyCompare(a.y, b.y) | 125 and qFuzzyCompare(a.y, b.y) |
| 143 and qFuzzyCompare(a.z, b.z); | 126 and qFuzzyCompare(a.z, b.z); |
