Marcus Ottosson

int numiterations = chi("number_of_iterations");
float gravity = chf("gravity");
float max_search_distance = chf("max_search_distance");

vector last_position = @P;
for (int _i=0; _i < numiterations; _i++) {
    
    // Move with gravity
    //        |
    //        |
    //        v
    vector new_position = last_position + set(0, -gravity, 0);
    
    // Resolve collision
    //
    //    _____|
    //   /     |
    //  /      |\
    // /       v -->
    //            \____
    //
    last_position = minpos(1, "", new_position, max_search_distance);

    int ptnum = addpoint(0, last_position);
    setpointattrib(0, "id", ptnum, @ptnum);
}