ELEC2645 (2015/16) / Mbed 2 deprecated SnakeProjectRev1

meurig phillips snake game - accidentally published to my account instead of to the group!

Dependencies:   Joystick N5110 SDFileSystem beep fsmMenu mbed

Fork of SnakeProjectRev1 by Meurig Phillips

main.h@11:f8478bc749e0, 2016-05-01 (annotated)

Committer:
meurigp
Date:
Sun May 01 12:15:09 2016 +0000
Revision:
11:f8478bc749e0
Parent:
10:7820b46476ea
Child:
12:825a402d230f
Game works with header file implemented, some minor errors to be fixed within the header file;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
meurigp 10:7820b46476ea 1 /**
meurigp 10:7820b46476ea 2 @file main.h
meurigp 11:f8478bc749e0 3 @brief Header file containing functions prototypes, defines and global variables for the snake game
meurigp 10:7820b46476ea 4 @brief Revision 1.0.
meurigp 10:7820b46476ea 5 @author Meurig Phillips
meurigp 10:7820b46476ea 6 @date April 2016
meurigp 10:7820b46476ea 7 */
meurigp 10:7820b46476ea 8
meurigp 10:7820b46476ea 9 #ifndef MAIN_H
meurigp 10:7820b46476ea 10 #define MAIN_H
meurigp 10:7820b46476ea 11
meurigp 10:7820b46476ea 12 #include "mbed.h"
meurigp 10:7820b46476ea 13
meurigp 10:7820b46476ea 14 /**
meurigp 10:7820b46476ea 15 @namespace greenLed
meurigp 10:7820b46476ea 16 @brief GPIO output for green LED
meurigp 10:7820b46476ea 17 @namespace redLed
meurigp 10:7820b46476ea 18 @brief GPIO output for red LED
meurigp 11:f8478bc749e0 19 @namespace buzzer
meurigp 11:f8478bc749e0 20 @brief GPIO output for buzzer
meurigp 10:7820b46476ea 21 */
meurigp 11:f8478bc749e0 22
meurigp 10:7820b46476ea 23 DigitalOut greenLed(PTC2);
meurigp 11:f8478bc749e0 24 DigitalOut redLed(PTA2);
meurigp 11:f8478bc749e0 25 //Beep buzzer(PTA1);
meurigp 11:f8478bc749e0 26
meurigp 11:f8478bc749e0 27 Ticker pollJoystick; /// timer to regularly read the joystick
meurigp 11:f8478bc749e0 28 Serial serial(USBTX,USBRX); /// serial communication for debugging
meurigp 11:f8478bc749e0 29 Ticker gameTicker; /// timer to update game at regular intervals
meurigp 11:f8478bc749e0 30
meurigp 11:f8478bc749e0 31 /// create enumerated type (0,1,2,3 etc. for current direction snake is travelling (not joystick reading))
meurigp 11:f8478bc749e0 32 enum CurrentDirection {
meurigp 11:f8478bc749e0 33 up,
meurigp 11:f8478bc749e0 34 down,
meurigp 11:f8478bc749e0 35 left,
meurigp 11:f8478bc749e0 36 right,
meurigp 11:f8478bc749e0 37 centre,
meurigp 11:f8478bc749e0 38 };
meurigp 11:f8478bc749e0 39 CurrentDirection currentDirection = centre; /// intialise direction at beginning
meurigp 11:f8478bc749e0 40
meurigp 11:f8478bc749e0 41 int randomX = rand() % 83 + 1; /*!< random number in the range of 1 to 83 assigned to randomX */
meurigp 11:f8478bc749e0 42 int randomY = rand() % 47 + 1; /*!< random number in the range of 1 to 47 assigned to randomY */
meurigp 11:f8478bc749e0 43 int randomXoddEven = randomX%2; /*!< distinguish whether randomX is odd or even */
meurigp 11:f8478bc749e0 44 int randomYoddEven = randomY%2; /*!< distinguish whether randomY is odd or even */
meurigp 11:f8478bc749e0 45 int snakeTailX[100]; /*!< array for X coordinate of each snake segment */
meurigp 11:f8478bc749e0 46 int snakeTailY[100]; /*!< array for Y coordinate of each snake segment */
meurigp 11:f8478bc749e0 47 int snakeTailLength = 3; /*!< length of snake, intialised to 3 */
meurigp 11:f8478bc749e0 48 int score = 0; /*!< score for current round */
meurigp 11:f8478bc749e0 49 int top_score = 0; /*!< top score read and write from the SD card */
meurigp 11:f8478bc749e0 50 int fruitValue = 10; /*!< value of the fruit */
meurigp 11:f8478bc749e0 51 int i = 41; /*!< x origin of snake head, intialised at 41 */
meurigp 11:f8478bc749e0 52 int j = 23; /*!< y origin of snake head, intialised at 23 */
meurigp 11:f8478bc749e0 53 int prev_i; /*!< integer to store previous value of x/i */
meurigp 11:f8478bc749e0 54 int prev_j; /*!< integer to store previous value of y/j */
meurigp 11:f8478bc749e0 55 int prev2_i; /*!< integer to store previous, previous value of x/i */
meurigp 11:f8478bc749e0 56 int prev2_j; /*!< integer to store previous, previous value of y/j */
meurigp 11:f8478bc749e0 57 bool gamePlaying = false; /*!< bool to store whether the game is in play or not */
meurigp 11:f8478bc749e0 58
meurigp 11:f8478bc749e0 59
meurigp 11:f8478bc749e0 60 /**
meurigp 11:f8478bc749e0 61 Displays new fruit
meurigp 11:f8478bc749e0 62 */
meurigp 11:f8478bc749e0 63 void generateFood();
meurigp 11:f8478bc749e0 64 /**
meurigp 11:f8478bc749e0 65 Generates new random coordinates for the fruit
meurigp 11:f8478bc749e0 66 */
meurigp 11:f8478bc749e0 67 void newFruitXY();
meurigp 11:f8478bc749e0 68 /**
meurigp 11:f8478bc749e0 69 Main in game function, involves the input, logic and display
meurigp 11:f8478bc749e0 70 */
meurigp 11:f8478bc749e0 71 void moveSnake();
meurigp 11:f8478bc749e0 72 /**
meurigp 11:f8478bc749e0 73 Restricted boundaries
meurigp 11:f8478bc749e0 74 */
meurigp 11:f8478bc749e0 75 void hardWall();
meurigp 11:f8478bc749e0 76 /**
meurigp 11:f8478bc749e0 77 Map with obstacles in the way
meurigp 11:f8478bc749e0 78 */
meurigp 11:f8478bc749e0 79 void specialMap();
meurigp 11:f8478bc749e0 80 /**
meurigp 11:f8478bc749e0 81 Infinite boundaries
meurigp 11:f8478bc749e0 82 */
meurigp 11:f8478bc749e0 83 void wrapAround();
meurigp 11:f8478bc749e0 84 /**
meurigp 11:f8478bc749e0 85 Calculates score
meurigp 11:f8478bc749e0 86 */
meurigp 11:f8478bc749e0 87 void scoreCalculation();
meurigp 11:f8478bc749e0 88 /**
meurigp 11:f8478bc749e0 89 Displayes scores when player dies
meurigp 11:f8478bc749e0 90 */
meurigp 11:f8478bc749e0 91 void gameOver();
meurigp 11:f8478bc749e0 92 /**
meurigp 11:f8478bc749e0 93 Initilaises the snake so it's moving from left to right to begin with
meurigp 11:f8478bc749e0 94 */
meurigp 11:f8478bc749e0 95 void initSnakeTail();
meurigp 11:f8478bc749e0 96 /**
meurigp 11:f8478bc749e0 97 Splash screen for the intro of the game
meurigp 11:f8478bc749e0 98 */
meurigp 11:f8478bc749e0 99 void snakeIntro();
meurigp 11:f8478bc749e0 100
meurigp 11:f8478bc749e0 101
meurigp 11:f8478bc749e0 102 #endif