diff options
Diffstat (limited to 'game/terrain2.cpp')
| -rw-r--r-- | game/terrain2.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/game/terrain2.cpp b/game/terrain2.cpp index 3e24778..e98cebb 100644 --- a/game/terrain2.cpp +++ b/game/terrain2.cpp @@ -54,6 +54,24 @@ TerrainMesh::findPoint(glm::vec2 p) const return findPoint(p, *faces_begin()); } +bool +TerrainMesh::locate(const TerrainMesh::PointFace & pointFace, FaceHandle start) const +{ + if (pointFace.face.is_valid()) { + assert(triangleContainsPoint(pointFace.point, pointFace.face)); + return true; + } + else { + return (pointFace.face = findPoint(pointFace.point, start)).is_valid(); + } +} + +bool +TerrainMesh::locate(const TerrainMesh::PointFace & pointFace) const +{ + return locate(pointFace, *faces_begin()); +} + namespace { [[nodiscard]] constexpr inline bool pointLeftOfLine(const glm::vec2 p, const glm::vec2 e1, const glm::vec2 e2) |