ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17oc

Owen Cavender 201159294

Dependencies:   mbed

GameEngine.cpp@2:ffbfd3f53ee2, 2020-05-30 (annotated)

Committer:
el17oc
Date:
Sat May 30 06:12:09 2020 +0000
Revision:
2:ffbfd3f53ee2
Parent:
1:897160a1a3ae 
Final Submission. I have read and agreed with Statement of Academic Integrity

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17oc 1:897160a1a3ae 1 #include "GameEngine.h"
el17oc 2:ffbfd3f53ee2 2
el17oc 2:ffbfd3f53ee2 3 GameEngine::GameEngine() //constructor
el17oc 1:897160a1a3ae 4 {
el17oc 1:897160a1a3ae 5
el17oc 1:897160a1a3ae 6 }
el17oc 1:897160a1a3ae 7
el17oc 2:ffbfd3f53ee2 8 GameEngine::~GameEngine() //deconstructor
el17oc 1:897160a1a3ae 9 {
el17oc 1:897160a1a3ae 10 }
el17oc 1:897160a1a3ae 11
el17oc 2:ffbfd3f53ee2 12
el17oc 2:ffbfd3f53ee2 13 void GameEngine::print_scores(N5110 &lcd, Snake &snake)
el17oc 1:897160a1a3ae 14 {
el17oc 2:ffbfd3f53ee2 15
el17oc 2:ffbfd3f53ee2 16 int score = snake.get_score(); //gets score from snake class object
el17oc 2:ffbfd3f53ee2 17
el17oc 2:ffbfd3f53ee2 18 char buffer1[14];
el17oc 2:ffbfd3f53ee2 19 sprintf(buffer1,"%2d",score); //sprintf is used to print as the program is displaying a variable
el17oc 2:ffbfd3f53ee2 20 lcd.printString(buffer1,0,48);
el17oc 1:897160a1a3ae 21 }
el17oc 1:897160a1a3ae 22
el17oc 1:897160a1a3ae 23
el17oc 1:897160a1a3ae 24
el17oc 1:897160a1a3ae 25
el17oc 2:ffbfd3f53ee2 26 void GameEngine::get_LEDs(Gamepad &pad, Snake &snake) //controls LEDs based on snake position
el17oc 1:897160a1a3ae 27 {
el17oc 2:ffbfd3f53ee2 28 pad.leds_off(); //initialise leds
el17oc 2:ffbfd3f53ee2 29 Vector2D Snakehead = snake.get_Snakehead(); //call values stored in _x0 and _y0 to identify the snakehead
el17oc 2:ffbfd3f53ee2 30 int _x0 = Snakehead.x;
el17oc 2:ffbfd3f53ee2 31 int _y0 = Snakehead.y;
el17oc 2:ffbfd3f53ee2 32 //depending where the snakehead is on the screen, different LEDs will turn on indicating its postion
el17oc 2:ffbfd3f53ee2 33 // top right led on
el17oc 2:ffbfd3f53ee2 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 1:897160a1a3ae 35
el17oc 2:ffbfd3f53ee2 36 pad.led(4, 1); //turn on top right led4
el17oc 2:ffbfd3f53ee2 37 wait(0.2); //wait 0.2 seconds
el17oc 2:ffbfd3f53ee2 38 pad.led(4, 0); //turn it off
el17oc 2:ffbfd3f53ee2 39 }
el17oc 2:ffbfd3f53ee2 40 // topleft led on
el17oc 2:ffbfd3f53ee2 41 if (_x0 <= 42 && _y0 <= 16 ) { //parameter for top left
el17oc 1:897160a1a3ae 42
el17oc 2:ffbfd3f53ee2 43 pad.led(1, 1); //turns on top left led
el17oc 2:ffbfd3f53ee2 44 wait(0.2);
el17oc 2:ffbfd3f53ee2 45 pad.led(1, 0);
el17oc 2:ffbfd3f53ee2 46 }
el17oc 2:ffbfd3f53ee2 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 2:ffbfd3f53ee2 48 if (_x0 <=42 && _y0 >= 16 ) {
el17oc 1:897160a1a3ae 49
el17oc 2:ffbfd3f53ee2 50 pad.led(3,1); //turns on bottom left led
el17oc 2:ffbfd3f53ee2 51 wait(0.2);
el17oc 2:ffbfd3f53ee2 52 pad.led(3, 0);
el17oc 2:ffbfd3f53ee2 53 }
el17oc 2:ffbfd3f53ee2 54 //bottom right
el17oc 2:ffbfd3f53ee2 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 2:ffbfd3f53ee2 56 // top right led on
el17oc 2:ffbfd3f53ee2 57 pad.led(6, 1);
el17oc 2:ffbfd3f53ee2 58 wait(0.2);
el17oc 2:ffbfd3f53ee2 59 pad.led(6, 0); //turns of bottom right led
el17oc 1:897160a1a3ae 60 } else {
el17oc 1:897160a1a3ae 61 }
el17oc 1:897160a1a3ae 62 }
el17oc 1:897160a1a3ae 63
el17oc 2:ffbfd3f53ee2 64 void GameEngine::print_countdown(N5110 &lcd, Snake &snake) //prints counter
el17oc 2:ffbfd3f53ee2 65 {
el17oc 1:897160a1a3ae 66
el17oc 2:ffbfd3f53ee2 67 int countdown = snake.get_countdown(); //Accessing the value of the member variale _countdown
el17oc 2:ffbfd3f53ee2 68
el17oc 2:ffbfd3f53ee2 69 char buffer1[14];
el17oc 2:ffbfd3f53ee2 70 sprintf(buffer1,"%2d",countdown); //printing value onto lcd in each loops. - counter is set to decrement by 1 each loop
el17oc 2:ffbfd3f53ee2 71 lcd.printString(buffer1,0,4); //
el17oc 2:ffbfd3f53ee2 72 // printf(" countdown= %d ", countdown);
el17oc 2:ffbfd3f53ee2 73 }