Sha256: 7c480e53ef900b565612fb509be4001cf3f2f3af7aa93abba3a1e88251553995
Contents?: true
Size: 1.5 KB
Versions: 132
Compression:
Stored size: 1.5 KB
Contents
#include <string.h>
#include "robot_simulator.h"
robot_grid_status_t robot_init(void)
{
return (robot_init_with_position
(DEFAULT_BEARING, DEFAULT_X_COORDINATE, DEFAULT_Y_COORDINATE));
}
robot_grid_status_t robot_init_with_position(int bearing, int x, int y)
{
robot_grid_status_t robot = { bearing, {x, y} };
if ((bearing < HEADING_NORTH) || (bearing >= HEADING_MAX)) {
robot.bearing = DEFAULT_BEARING;
}
return robot;
}
void robot_turn_right(robot_grid_status_t * robot)
{
robot->bearing = (robot->bearing + 1) % HEADING_MAX;
}
void robot_turn_left(robot_grid_status_t * robot)
{
robot->bearing = ((robot->bearing - 1) + HEADING_MAX) % HEADING_MAX;
}
void robot_advance(robot_grid_status_t * robot)
{
switch (robot->bearing) {
case HEADING_NORTH:
robot->grid.y_position++;
break;
case HEADING_EAST:
robot->grid.x_position++;
break;
case HEADING_SOUTH:
robot->grid.y_position--;
break;
case HEADING_WEST:
robot->grid.x_position--;
break;
default:
break;
}
}
void robot_simulator(robot_grid_status_t * robot, const char *commands)
{
for (unsigned long index = 0; index < strlen(commands); index++) {
switch (commands[index]) {
case COMMAND_LEFT:
robot_turn_left(robot);
break;
case COMMAND_RIGHT:
robot_turn_right(robot);
break;
case COMMAND_ADVANCE:
robot_advance(robot);
break;
default:
break;
}
}
}
Version data entries
132 entries across 132 versions & 1 rubygems