File content as of revision 8:201ef0618b7d:

/** surface 
* @the surface file has three functions
//1 the leftside of the line move toward right then the rightside should also move to the right to keep the length
//2 the line will be random length but must be suitable
//3 makesure there are two surface for player to stay
* @date April 22th 2020
* @author Yaomochu
*/
#ifndef LINE_H
#define LINE_H

#include "mbed.h"
//the surface function is to creat the surface for player to stand on and move
struct Line {
 int length;
 int left;
 int right;
 int y;
 };
 //the line structer will have four main elements 
 class Surface
{
public:
Surface();
~Surface();
void init(int y1, int y2);
//init the line at first to set the initial position
void line_1();
void line_2();
void line_3();
void line_4();
void line_5();
void line_6();
Line getline_1();
Line getline_2();
Line getline_3();
Line getline_4();
Line getline_5();
Line getline_6();

private:
Line _line_1;
Line _line_2;
Line _line_3;
Line _line_4;
Line _line_5;
Line _line_6;

};
#endif