#pragma once

class Particle {
public:
    static const int dim = 2;  // we are in two dimensions
    double *pos;  // pointer to an array of size dim, to store the position

    // default constructor
    Particle() {
        pos = new double[dim];
    }

    // constructor, with a specified initial position
    Particle(double set_pos[]) {
        pos = new double[dim];
        for (int d = 0; d < dim; d++)
            pos[d] = set_pos[d];
    }

    // destructor
    ~Particle() { delete[] pos; }
};