queries/find_entity

• C++

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  #include <find_entity.h>
  #include <iostream>
   
  struct Position {
      int x, y;
  };
   
  int main() {
      flecs::world ecs;
   
      ecs.entity("e1").set<Position>({10, 20});
      ecs.entity("e2").set<Position>({20, 30});
   
      // Create a simple query for component Position
      flecs::query<Position> q = ecs.query<Position>();
   
      // Find the entity for which Position.x is 20
      flecs::entity e = q.find([](Position& p) {
          return p.x == 20;
      });
   
      if (e) {
          std::cout << "Found entity " << e.path() << std::endl;
      } else {
          std::cout << "No entity found" << std::endl;
      }
   
      // Output
      //  Found entity ::e2
  }