Diff: main.cpp

Revision:

16:9500059ad5d8

Parent:

14:7fb3c93343b6

--- a/main.cpp	Sat May 30 03:06:22 2020 +0000
+++ b/main.cpp	Sat May 30 05:43:50 2020 +0000
@@ -4,28 +4,22 @@
 University of Leeds
 2019/20
 
+/////////////SNAKE ///////////
 Name: Owen Cavender
 Username: el17oc
 Student ID Number: 201159294
 Date: 20/04/2020
-
-The game loop will be entered after the game is initialised. The first step is to process the
-user input (if any). The next step is to update the game apple depending on the input i.e.
-moving a character or checking for collisions. The final step is to update the display and
-
-this on the LCD. There is usual////
 */
 
-// includes
-#include "mbed.h"
+//////////////////////////////
+
+//includes
+#include "mbed.h"                        //addresses each header file of external classes being used in the programme
 #include "Gamepad.h"
 #include "N5110.h"
 #include "snake.h"
 #include "GameEngine.h"
 
-//write spec for game
-
-
 
 //objects
 Gamepad pad;
@@ -45,26 +39,23 @@
 int main()
 {
 
-    //int fps = 6;
-    init();   // frames per second
-    welcome();
+    init();                   //initialises game objects
+    welcome();                //displays welcome screen before entering game loop
 
-    // initialise and then display welcome screen...
+
 
     while (1) {
 
 
-        update_snake();
-        snake.check_gameover(lcd);
-        snake.gameover_true(lcd, pad);
-
+        update_snake();                                                     //reads input from gamepad and updates the position of the snake - this is the function influences how the other functions behave
+        snake.check_gameover(lcd);                                          //checking if any one of the three game over conditions is true
+        //   snake.gameover_true(lcd, pad);                                      //checking if an apple has been collected - increases the score and generates new apple position if apple has been collected
         snake.apple_collected(lcd, pad);
         snake.get_Apple_position(lcd);
-
+        engine.get_LEDs(pad, snake);
 
-        engine.get_LEDs(pad, snake);
-        engine.print_countdown(lcd, snake);
-        snake.render(lcd);
+        engine.print_countdown(lcd, snake);                                //prints the value of the countdown counter - it will have incremented by 25 if an apple has been collected and would have decreased by 1 if not
+        snake.render(lcd, pad);                                            //prints the snake, the apple, the score and the border
         //      snake.print_display_time(lcd);
 
 
@@ -73,13 +64,11 @@
 
 }
 
-//apples  //timer check
-
 void init()
 {
-    lcd.init();
-    pad.init();
-    snake.init();           //need to initialise snake class
+    lcd.init();             //initialises the lcd
+    pad.init();             //initialises the gamepad
+    snake.init();           //initialises snake class
 
 
 }
@@ -97,11 +86,11 @@
 {
 
 
-    while ( pad.start_pressed() == false) {
-        lcd.printString("     SNAKE    ",0,1);
-        lcd.printString("COLLECT APPLES",0,3);
-        lcd.printString("  Press Start ",0,5);
-        lcd.setContrast( pad.read_pot1());
+    while ( pad.start_pressed() == false) {             //main menu - wont enter game loop until start is pressed
+        lcd.printString("     SNAKE    ",0,1);          //
+        lcd.printString("COLLECT APPLES",0,3);          //game task
+        lcd.printString("  Press Start ",0,5);          //instruction
+        lcd.setContrast( pad.read_pot1());              //adjust contrast
 
 
         pad.leds_off();
@@ -124,22 +113,8 @@
         pad.led(4,1);
         wait(0.2);
 
-        lcd.refresh();
+        lcd.refresh();                              //updates screen
     }
 
 }
 
-
-
-
-
-//has an apple been collected? if so increase length by 1 increase score by 1 and makes coin collecting noise and spawn new apple
-//has snake touched itself or wall - if so end game - present score - make xxx sound fail --- apple needs to be different to the snakes body and different to wall
-//has button button been pressed - if so change direction accordingly
-//max length - when length = width x height - 1 - game complete
-//each pixel of length must follow the front pixel
-// 2 modes - time race - "get an apple before time runs out" - resets timer --- then classic snake
-
-
-
-//need to add audio, leds, (main menu end menu and entering and leaving the while(1) loop), time trial mode, .h files
\ No newline at end of file