Revision 0:2fe56bb17f31, committed 2020-04-28

Comitter:

el17my

Date:

Tue Apr 28 17:28:36 2020 +0000

Commit message:

4.29

Changed in this revision

diff -r 000000000000 -r 2fe56bb17f31 item.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/item.cpp	Tue Apr 28 17:28:36 2020 +0000
@@ -0,0 +1,57 @@
+#include "item.h"
+
+// Define sprite arrays.
+//this is the forward form of the item
+int item_form[5][6] = {
+  { 0,0,1,1,0,0},
+  { 0,1,1,1,1,0},
+  { 1,1,1,1,1,1},
+  { 0,1,1,1,1,0},
+  { 0,0,1,1,0,0},
+};
+//this is the vertical form of the item
+
+// Constructor and destructor.
+item::item() {} 
+
+item::~item() {}
+
+void item::init() {
+  // Starting position of the item.
+  _x = 40;
+  _y = 44;
+}
+
+void item::set_item(int random_x, int random_y) {
+  // Set the item coords based on input values.
+  // This function must have two rules
+  //1 the item must be generated on the surface but not in the air
+  //2 the item must be in the srceen or the explorer can not collect them
+  if (_x < 6 || _x > 74) {  // Ensures the item does not generate off-screen.
+    _x = 40; }//go back to the intial position
+  else if (_y < 5 || _y > 75) 
+  {
+    _y = 50; };//go back to the intial position
+  //according to the height of the line, the item must be generated upper the line but can not be so high
+  //if y >40, the item need to be one the second line and if is lower it has to be one the lower line
+  if (random_y > 40) {  
+    _y = 40; 
+  } else {
+    _y = 20;
+  }
+  _x = random_x;//x can be every random value between 6 and 74
+}
+
+int *item::get_item_form() {
+    return *item_form;
+}
+
+int item::get_item_x() {
+  return _x;
+}
+
+int item::get_item_y() {
+  return _y;
+} 
+
+ 
\ No newline at end of file

diff -r 000000000000 -r 2fe56bb17f31 item.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/item.h	Tue Apr 28 17:28:36 2020 +0000
@@ -0,0 +1,82 @@
+#ifndef ITEM_H
+#define ITEM_H
+
+#include "mbed.h"
+/** item Class
+* @1 generate an item in random position after one disappear
+* @2 build the item's structer
+* @3 build a barrier to increase difficulty
+* @date April 13th 2020
+* @author Yaomochu
+
+
+@code
+
+#include "mbed.h"
+#include "N5110.h"
+#include "Gamepad.h"
+#include "item.h"
+#include <cstdlib> //the standard library by which we need the rand() and srand() function
+#include <ctime> //in order to generate random number we need <ctime>
+
+N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
+Gamepad gamepad;
+item _item;
+
+//the position of the player is essential
+//the player's position at first can not be same with the item, so I init the player's position and the item's position together
+int _player_x;
+int _player_y;
+int _player_score;
+bool _collision_flag;// to see if the player can get a score
+
+int main() {
+  _item.init();// use this to generate the item
+  srand(time(NULL));// generate random values
+  _player_score = 0;// set player score to 0;
+  _player_x = 40;
+  _player_y = 10;//make sure they are not in the same position at first,but player on the underlevel
+  while(1) {
+    
+    // becasue the module of the player is big so it has to be make sure that 
+    //the item will be collected when the edge of the module collide with the item
+    if ((_player_x == _item.get_item_x()
+      && (_player_y == _item.get_item_y() - 8)) {  
+    _collision_flag = true;
+    _player_score++;
+    _item.set_item(((rand()%80)+ 5) , ((rand()%80)+ 5));  // use the rand()%m function to generate a number from 80 to 1
+    // on a constrained random position.
+    gamepad.tone(1000, 0.1);//cause a noise to makesure the coin has collected   
+    }
+    
+    // Print the item.
+    lcd.drawSprite(_item.get_item_x(),_item.get_item_y(),5,6,(int*)_item.get_item_form());
+  }
+}
+
+* @ endcode
+*/
+
+class item
+{
+public:
+    // Constructor and Destructor.
+    item();
+    ~item();
+
+    // Initialises object.*/
+    void init();
+    //Sets the item coordinates.
+    //rand_x = a random number that determines the x coordinate
+    //rand_y = a random number that determines if the item's generated level
+    void set_item(int random_x, int random_y);
+    int *get_item_form();//
+    int get_item_x();
+    int get_item_y();
+
+
+private:
+    int _x;//the x coordinate of the item
+    int _y;//the y coordinate of the item
+};
+#endif
\ No newline at end of file