49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
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/* SOLAR.C--Example from Chapter 4 of User's Guide */
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#include <graphics.h>
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#include <stdio.h>
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#include <string.h>
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typedef struct {
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char name[10];
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float distance;
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float radius;
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int color;
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int fill_type;
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} planet;
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planet solar_system[9];
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planet *planet_ptr;
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int planet_num;
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int main()
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{
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strcpy(solar_system[0].name,"Mercury");
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solar_system[0].distance = 0.4;
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solar_system[0].radius = 0.4;
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solar_system[0].color = EGA_YELLOW;
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solar_system[0].fill_type = EMPTY_FILL;
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planet_ptr = solar_system;
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planet_ptr++; /* Point to second planet structure */
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strcpy (planet_ptr->name,"Venus");
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planet_ptr->distance = 0.7;
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planet_ptr->radius = 1.0;
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planet_ptr->color = EGA_BROWN;
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planet_ptr->fill_type = SOLID_FILL;
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planet_ptr = solar_system; /* Reset to first element */
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for (planet_num = 0; planet_num < 2; planet_num++, planet_ptr++) {
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printf("\nPlanetary statistics:\n");
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printf("Name: %s\n", planet_ptr->name);
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printf("Distance from Sun in AU: %4.2f\n",
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planet_ptr->distance);
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printf("Radius in Earth radii: %4.2f\n", planet_ptr->radius);
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printf("Color constant value %d\n", planet_ptr->color);
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printf("Fill pattern constant value %d\n",
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planet_ptr->fill_type);
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}
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return 0;
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}
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