Michael Birney / Mbed 2 deprecated SnakeM_Birney

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Dependencies:   N5110 PinDetect PowerControl mbed

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main.h File Reference
Namespaces | Functions | Variables

main.h File Reference

Header file containing functions prototypes, defines and global variables. More...

Go to the source code of this file.

Namespaces

namespace  lcd
 

connections lcd mosi connections for nokia N5110


namespace  myleds
 

busout to onboard mbed LEDS for debug


namespace  leds
 

bus output for game indicator leds


namespace  startButton
 

for start button ISR


namespace  resetButton
 

in for reset button ISR


namespace  startGame
 

Ticker to set updateGameFlag.


namespace  button
 

Joysitck button GPIO.


namespace  xPot
 

joystick x pot GPIO


namespace  yPot
 

joystick y pot GPIO


namespace  serial
 

Print to terminal for debug.


Functions

vector< int > snakeX (5)
vector< int > snakeY (5, 27)
void displaySplash ()
 Displays a Snake Logo Splash Screen.
void calibrateJoystick ()
 Reads default positions of the joystick to calibrate later readings.
void updateJoystick ()
 Reads X and Y pots and determines what direction joystick is in.
void easySelected ()
 Displays easy selected on display and updates gameSpeed variable.
void mediumSelected ()
 Displays Medium selected on display and updates gameSpeed variable.
void hardSelected ()
 Displays Hard selected on display and updates gameSpeed variable.
void classicModeSelected ()
 Displays classicMode selected on display and updates gameMode variable.
void boundaryModeSelected ()
 Displays BoundaryMode selected on display and updates gameMode variable.
void checkSelectedGameMode ()
 Uses joystick direction to determine what difficulty too update to.
void checkSelectedDifficulty ()
 Uses joystick direction to determine what game mode too update to.
void startingSnake ()
 resizes the vector back to 5 incase game is reset prints to screen using coordinates stored in the snakeX and snakeY vectors drawRect used for 2x2 snake
void randomiseFood ()
 Funtion to generate random food.
void hardBoundary ()
 prints a solid boundary around screen for use in BOUNDARY mode
void classicBoundary ()
 Prints a dotted boundary around the screen for use in CLASSIC mode.
void updateSnakeVector ()
 Uses joystick direction and previous joysitck direction to determine new direction of snake Clears Tail of Snake Elements in SnakeX and Y are shifted along one to the right New snake head cordinates are added to last element of vector depending on direction.
void gameOverTune ()
 triggers Buzzer to play when gameover
void gameOver ()
 called when game is over.
void checkForCollision ()
 called in boundary mode everytime snake updates checks for a collision with boundary
void checkForFood ()
 Everytime snake is updated compares coordinates of snake to the food to see if they match.
void startButtonPressed ()
 function called when pindetect startButton is triggered
void updateBrightness ()
 Reads from brightness potentiometer to update lcd brightness.
void updateGameISR ()
 function called by updateGame timer
void printVectorContent ()
 For debug.
void pauseButtonPressed ()
 function called when interupt occurs on joystick button
void checkForCollisionWithSelf (int i)
 Compares all elements in snake vectors against head of snake.

Variables

int score = 5
char buffer [14]
bool gamePaused = 0
int foodX [1]
int foodY [1]
int gameState = 0
float gameSpeed
int updateGameFlag = 0

Detailed Description

Header file containing functions prototypes, defines and global variables.

Game of Snake Revision 1.0.

Author:
Michael Birney
Date:
April 2015

Definition in file main.h.

Function Documentation

void boundaryModeSelected (  )

Displays BoundaryMode selected on display and updates gameMode variable.

Definition at line 176 of file main.cpp.

void calibrateJoystick (  )

Reads default positions of the joystick to calibrate later readings.

Definition at line 46 of file main.cpp.

void checkForCollision (  )

called in boundary mode everytime snake updates checks for a collision with boundary

Definition at line 534 of file main.cpp.

void checkForCollisionWithSelf ( int  i )

Compares all elements in snake vectors against head of snake.

Parameters:
i- integer signifying element in snake vector

Definition at line 660 of file main.cpp.

void checkForFood (  )

Everytime snake is updated compares coordinates of snake to the food to see if they match.

Definition at line 544 of file main.cpp.

void checkSelectedDifficulty (  )

Uses joystick direction to determine what game mode too update to.

Definition at line 232 of file main.cpp.

void checkSelectedGameMode (  )

Uses joystick direction to determine what difficulty too update to.

Definition at line 192 of file main.cpp.

void classicBoundary (  )

Prints a dotted boundary around the screen for use in CLASSIC mode.

Definition at line 365 of file main.cpp.

void classicModeSelected (  )

Displays classicMode selected on display and updates gameMode variable.

Definition at line 159 of file main.cpp.

void displaySplash (  )

Displays a Snake Logo Splash Screen.

Definition at line 82 of file main.cpp.

void easySelected (  )

Displays easy selected on display and updates gameSpeed variable.

Definition at line 108 of file main.cpp.

void gameOver (  )

called when game is over.

displays final score for user

Definition at line 494 of file main.cpp.

void gameOverTune (  )

triggers Buzzer to play when gameover

Definition at line 469 of file main.cpp.

void hardBoundary (  )

prints a solid boundary around screen for use in BOUNDARY mode

Definition at line 345 of file main.cpp.

void hardSelected (  )

Displays Hard selected on display and updates gameSpeed variable.

Definition at line 142 of file main.cpp.

void mediumSelected (  )

Displays Medium selected on display and updates gameSpeed variable.

Definition at line 125 of file main.cpp.

void pauseButtonPressed (  )

function called when interupt occurs on joystick button

Definition at line 638 of file main.cpp.

void printVectorContent (  )

For debug.

Prints content of snakeX and snakeY vectors

Definition at line 628 of file main.cpp.

void randomiseFood (  )

Funtion to generate random food.

Definition at line 317 of file main.cpp.

vector<int> snakeX ( 5   )

vector to store all x coordinates of snake

vector<int> snakeY ( 5  ,
27   
)

vector to store all y coordinates of snake

void startButtonPressed (  )

function called when pindetect startButton is triggered

Definition at line 602 of file main.cpp.

void startingSnake (  )

resizes the vector back to 5 incase game is reset prints to screen using coordinates stored in the snakeX and snakeY vectors drawRect used for 2x2 snake

Definition at line 293 of file main.cpp.

void updateBrightness (  )

Reads from brightness potentiometer to update lcd brightness.

Definition at line 616 of file main.cpp.

void updateGameISR (  )

function called by updateGame timer

Definition at line 623 of file main.cpp.

void updateJoystick (  )

Reads X and Y pots and determines what direction joystick is in.

Definition at line 53 of file main.cpp.

void updateSnakeVector (  )

Uses joystick direction and previous joysitck direction to determine new direction of snake Clears Tail of Snake Elements in SnakeX and Y are shifted along one to the right New snake head cordinates are added to last element of vector depending on direction.

Definition at line 387 of file main.cpp.

Variable Documentation

char buffer[14]

stores data to print to screen

Definition at line 69 of file main.h.

int foodX[1]

int to store x value of food

Definition at line 102 of file main.h.

int foodY[1]

int to store y value of food

Definition at line 103 of file main.h.

bool gamePaused = 0

bool to store paused state

Definition at line 99 of file main.h.

float gameSpeed

changes depending on difficulty selected

Definition at line 107 of file main.h.

int gameState = 0

indicator for various game states

Definition at line 104 of file main.h.

int score = 5

integer to store user score

Definition at line 60 of file main.h.

int updateGameFlag = 0

ISR to update game

Definition at line 108 of file main.h.

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