#include "TrueBASIC.h"
void show_graph(double y, double t, int *nshow);

void show_graph(double y, double t, int *nshow)
{
    float tmax, tmin, ymax, ymin;

    if(t == 0)
    {
        (*nshow) = 10;
        tmin = t;
        tmax = 2;                           // estimate of time to reach surface
        ymin = 0;
        ymax = y;
        draw_axes(tmin, tmax, ymin, ymax);  // see Appendix 3A
    }
    GWline2((float)(t), (float)(y));
}