ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17oc1

Owen Cavender 201159294

Dependencies:   mbed Gamepad2

GameEngine.cpp@16:9500059ad5d8, 2020-05-30 (annotated)

Committer:
el17oc
Date:
Sat May 30 05:43:50 2020 +0000
Revision:
16:9500059ad5d8
Parent:
15:6857657bb4e2 
Final Submission. I have read and agreed with Statement of Academic Integrity.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17oc 8:997f90c88246 1 #include "GameEngine.h"
el17oc 8:997f90c88246 2
el17oc 16:9500059ad5d8 3 GameEngine::GameEngine() //constructor
el17oc 8:997f90c88246 4 {
el17oc 8:997f90c88246 5
el17oc 8:997f90c88246 6 }
el17oc 8:997f90c88246 7
el17oc 16:9500059ad5d8 8 GameEngine::~GameEngine() //deconstructor
el17oc 8:997f90c88246 9 {
el17oc 8:997f90c88246 10 }
el17oc 8:997f90c88246 11
el17oc 8:997f90c88246 12
el17oc 9:a69a6a06dddf 13 void GameEngine::print_scores(N5110 &lcd, Snake &snake)
el17oc 8:997f90c88246 14 {
el17oc 14:7fb3c93343b6 15
el17oc 16:9500059ad5d8 16 int score = snake.get_score(); //gets score from snake class object
el17oc 8:997f90c88246 17
el17oc 8:997f90c88246 18 char buffer1[14];
el17oc 16:9500059ad5d8 19 sprintf(buffer1,"%2d",score); //sprintf is used to print as the program is displaying a variable
el17oc 16:9500059ad5d8 20 lcd.printString(buffer1,0,48);
el17oc 8:997f90c88246 21 }
el17oc 8:997f90c88246 22
el17oc 8:997f90c88246 23
el17oc 8:997f90c88246 24
el17oc 8:997f90c88246 25
el17oc 16:9500059ad5d8 26 void GameEngine::get_LEDs(Gamepad &pad, Snake &snake) //controls LEDs based on snake position
el17oc 8:997f90c88246 27 {
el17oc 16:9500059ad5d8 28 pad.leds_off(); //initialise leds
el17oc 16:9500059ad5d8 29 Vector2D Snakehead = snake.get_Snakehead(); //call values stored in _x0 and _y0 to identify the snakehead
el17oc 14:7fb3c93343b6 30 int _x0 = Snakehead.x;
el17oc 16:9500059ad5d8 31 int _y0 = Snakehead.y;
el17oc 16:9500059ad5d8 32 //depending where the snakehead is on the screen, different LEDs will turn on indicating its postion
el17oc 16:9500059ad5d8 33 // top right led on
el17oc 16:9500059ad5d8 34 if (_x0 >= 42 && _y0 <= 16) { //defines paramaters of the top right quadrant of the lcd rectangle and turns on and off the top right LED if the x and y values are in the top right quadrant
el17oc 8:997f90c88246 35
el17oc 16:9500059ad5d8 36 pad.led(4, 1); //turn on top right led4
el17oc 16:9500059ad5d8 37 wait(0.2); //wait 0.2 seconds
el17oc 16:9500059ad5d8 38 pad.led(4, 0); //turn it off
el17oc 8:997f90c88246 39 }
el17oc 8:997f90c88246 40 // topleft led on
el17oc 16:9500059ad5d8 41 if (_x0 <= 42 && _y0 <= 16 ) { //parameter for top left
el17oc 14:7fb3c93343b6 42
el17oc 16:9500059ad5d8 43 pad.led(1, 1); //turns on top left led
el17oc 10:ee781d18e0f6 44 wait(0.2);
el17oc 10:ee781d18e0f6 45 pad.led(1, 0);
el17oc 8:997f90c88246 46 }
el17oc 16:9500059ad5d8 47 //bottom left //defines paramaters of the bottom left quadrant of the rectangle on the lcd display and turns on and off the bottom left LED
el17oc 14:7fb3c93343b6 48 if (_x0 <=42 && _y0 >= 16 ) {
el17oc 8:997f90c88246 49
el17oc 16:9500059ad5d8 50 pad.led(3,1); //turns on bottom left led
el17oc 10:ee781d18e0f6 51 wait(0.2);
el17oc 10:ee781d18e0f6 52 pad.led(3, 0);
el17oc 8:997f90c88246 53 }
el17oc 8:997f90c88246 54 //bottom right
el17oc 16:9500059ad5d8 55 if (_x0 >= 42 && _y0 >= 16) { //there are some overlap on the symetrical x and y axis where conditions are true in both loops causing leds to coome on at the same time and alternately blink
el17oc 8:997f90c88246 56 // top right led on
el17oc 8:997f90c88246 57 pad.led(6, 1);
el17oc 10:ee781d18e0f6 58 wait(0.2);
el17oc 16:9500059ad5d8 59 pad.led(6, 0); //turns of bottom right led
el17oc 14:7fb3c93343b6 60 } else {
el17oc 8:997f90c88246 61 }
el17oc 12:60c856354406 62 }
el17oc 12:60c856354406 63
el17oc 16:9500059ad5d8 64 void GameEngine::print_countdown(N5110 &lcd, Snake &snake) //prints counter
el17oc 14:7fb3c93343b6 65 {
el17oc 12:60c856354406 66
el17oc 14:7fb3c93343b6 67 int countdown = snake.get_countdown(); //Accessing the value of the member variale _countdown
el17oc 12:60c856354406 68
el17oc 12:60c856354406 69 char buffer1[14];
el17oc 14:7fb3c93343b6 70 sprintf(buffer1,"%2d",countdown); //printing value onto lcd in each loops. - counter is set to decrement by 1 each loop
el17oc 14:7fb3c93343b6 71 lcd.printString(buffer1,0,4); //
el17oc 14:7fb3c93343b6 72 // printf(" countdown= %d ", countdown);
el17oc 12:60c856354406 73 }
el17oc 12:60c856354406 74