Method InsertTriangle

TombEngine/Physics/Objects/CollisionMeshDesc.cpp:27–57

	}

	void CollisionMeshDesc::InsertTriangle(const Vector3& vertex0, const Vector3& vertex1, const Vector3& vertex2)
	{
		auto getVertexId = [&](const Vector3& vertex)
		{
			// Get existing vertex ID.
			auto it = _vertexMap.find(vertex);
			if (it != _vertexMap.end())
			{
				const auto& [vertex, vertexId] = *it;
				return vertexId;
			}

			// Add and cache new vertex.
			int vertexId = (int)_vertices.size();
			_vertices.push_back(vertex);
			_vertexMap[vertex] = vertexId;

			// Get new vertex ID.
			return vertexId;
		};

		// Allocate vertices.
		int vertexId0 = getVertexId(vertex0);
		int vertexId1 = getVertexId(vertex1);
		int vertexId2 = getVertexId(vertex2);

		// Add vertex IDs.
		_vertexIds.push_back(vertexId0);
		_vertexIds.push_back(vertexId1);
		_vertexIds.push_back(vertexId2);
	}

	void CollisionMeshDesc::Optimize()
	{