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@14:56e355c5cfc9, 2016-05-01 (annotated)

Committer:
meurigp
Date:
Sun May 01 16:50:37 2016 +0000
Revision:
14:56e355c5cfc9
Parent:
13:08159ea3d556
Child:
15:a5590211888c
gameTicker implemented, double pause glitch to be fixed

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 14:56e355c5cfc9 19 @namespace pot
meurigp 14:56e355c5cfc9 20 @brief GPIO input for the POT
meurigp 11:f8478bc749e0 21 @namespace buzzer
meurigp 11:f8478bc749e0 22 @brief GPIO output for buzzer
meurigp 10:7820b46476ea 23 */
meurigp 11:f8478bc749e0 24
meurigp 10:7820b46476ea 25 DigitalOut greenLed(PTC2);
meurigp 11:f8478bc749e0 26 DigitalOut redLed(PTA2);
meurigp 14:56e355c5cfc9 27 AnalogIn pot(PTB10);
meurigp 11:f8478bc749e0 28 //Beep buzzer(PTA1);
meurigp 11:f8478bc749e0 29
meurigp 11:f8478bc749e0 30 /// create enumerated type (0,1,2,3 etc. for current direction snake is travelling (not joystick reading))
meurigp 11:f8478bc749e0 31 enum CurrentDirection {
meurigp 11:f8478bc749e0 32 up,
meurigp 11:f8478bc749e0 33 down,
meurigp 11:f8478bc749e0 34 left,
meurigp 11:f8478bc749e0 35 right,
meurigp 11:f8478bc749e0 36 centre,
meurigp 11:f8478bc749e0 37 };
meurigp 11:f8478bc749e0 38 CurrentDirection currentDirection = centre; /// intialise direction at beginning
meurigp 11:f8478bc749e0 39
meurigp 14:56e355c5cfc9 40 /// create enumerated type (0,1,2 etc. for different game modes on the menu)
meurigp 14:56e355c5cfc9 41 enum GameType {
meurigp 14:56e355c5cfc9 42 classic,
meurigp 14:56e355c5cfc9 43 infiniteMap,
meurigp 14:56e355c5cfc9 44 hardMap,
meurigp 14:56e355c5cfc9 45 };
meurigp 14:56e355c5cfc9 46
meurigp 14:56e355c5cfc9 47
meurigp 11:f8478bc749e0 48 int randomX = rand() % 83 + 1; /*!< random number in the range of 1 to 83 assigned to randomX */
meurigp 11:f8478bc749e0 49 int randomY = rand() % 47 + 1; /*!< random number in the range of 1 to 47 assigned to randomY */
meurigp 11:f8478bc749e0 50 int randomXoddEven = randomX%2; /*!< distinguish whether randomX is odd or even */
meurigp 11:f8478bc749e0 51 int randomYoddEven = randomY%2; /*!< distinguish whether randomY is odd or even */
meurigp 11:f8478bc749e0 52 int snakeTailX[100]; /*!< array for X coordinate of each snake segment */
meurigp 11:f8478bc749e0 53 int snakeTailY[100]; /*!< array for Y coordinate of each snake segment */
meurigp 11:f8478bc749e0 54 int snakeTailLength = 3; /*!< length of snake, intialised to 3 */
meurigp 11:f8478bc749e0 55 int score = 0; /*!< score for current round */
meurigp 11:f8478bc749e0 56 int top_score = 0; /*!< top score read and write from the SD card */
meurigp 11:f8478bc749e0 57 int fruitValue = 10; /*!< value of the fruit */
meurigp 14:56e355c5cfc9 58 int i = 40; /*!< x origin of snake head, intialised at 41 */
meurigp 14:56e355c5cfc9 59 int j = 22; /*!< y origin of snake head, intialised at 23 */
meurigp 11:f8478bc749e0 60 int prev_i; /*!< integer to store previous value of x/i */
meurigp 11:f8478bc749e0 61 int prev_j; /*!< integer to store previous value of y/j */
meurigp 11:f8478bc749e0 62 int prev2_i; /*!< integer to store previous, previous value of x/i */
meurigp 11:f8478bc749e0 63 int prev2_j; /*!< integer to store previous, previous value of y/j */
meurigp 11:f8478bc749e0 64 bool gamePlaying = false; /*!< bool to store whether the game is in play or not */
meurigp 12:825a402d230f 65 int pauseCount; /*!< counts how many times the player has paused */
meurigp 11:f8478bc749e0 66
meurigp 11:f8478bc749e0 67
meurigp 11:f8478bc749e0 68 /**
meurigp 11:f8478bc749e0 69 Displays new fruit
meurigp 11:f8478bc749e0 70 */
meurigp 11:f8478bc749e0 71 void generateFood();
meurigp 11:f8478bc749e0 72 /**
meurigp 11:f8478bc749e0 73 Generates new random coordinates for the fruit
meurigp 11:f8478bc749e0 74 */
meurigp 11:f8478bc749e0 75 void newFruitXY();
meurigp 11:f8478bc749e0 76 /**
meurigp 13:08159ea3d556 77 Receives input form joystick and updates the current direction
meurigp 11:f8478bc749e0 78 */
meurigp 11:f8478bc749e0 79 void moveSnake();
meurigp 11:f8478bc749e0 80 /**
meurigp 11:f8478bc749e0 81 Restricted boundaries
meurigp 11:f8478bc749e0 82 */
meurigp 11:f8478bc749e0 83 void hardWall();
meurigp 11:f8478bc749e0 84 /**
meurigp 11:f8478bc749e0 85 Map with obstacles in the way
meurigp 11:f8478bc749e0 86 */
meurigp 11:f8478bc749e0 87 void specialMap();
meurigp 11:f8478bc749e0 88 /**
meurigp 11:f8478bc749e0 89 Infinite boundaries
meurigp 11:f8478bc749e0 90 */
meurigp 11:f8478bc749e0 91 void wrapAround();
meurigp 11:f8478bc749e0 92 /**
meurigp 11:f8478bc749e0 93 Calculates score
meurigp 11:f8478bc749e0 94 */
meurigp 11:f8478bc749e0 95 void scoreCalculation();
meurigp 11:f8478bc749e0 96 /**
meurigp 11:f8478bc749e0 97 Displayes scores when player dies
meurigp 11:f8478bc749e0 98 */
meurigp 11:f8478bc749e0 99 void gameOver();
meurigp 11:f8478bc749e0 100 /**
meurigp 11:f8478bc749e0 101 Initilaises the snake so it's moving from left to right to begin with
meurigp 11:f8478bc749e0 102 */
meurigp 11:f8478bc749e0 103 void initSnakeTail();
meurigp 11:f8478bc749e0 104 /**
meurigp 11:f8478bc749e0 105 Splash screen for the intro of the game
meurigp 11:f8478bc749e0 106 */
meurigp 11:f8478bc749e0 107 void snakeIntro();
meurigp 12:825a402d230f 108 /**
meurigp 12:825a402d230f 109 Game paused function
meurigp 12:825a402d230f 110 */
meurigp 12:825a402d230f 111 void gamePaused();
meurigp 13:08159ea3d556 112 /**
meurigp 13:08159ea3d556 113 Contains all logic for the snake game and displays accordingly
meurigp 13:08159ea3d556 114 */
meurigp 13:08159ea3d556 115 void gameLogic();
meurigp 11:f8478bc749e0 116
meurigp 11:f8478bc749e0 117
meurigp 11:f8478bc749e0 118 #endif