ELEC2645 (2018/19) / Mbed 2 deprecated el16dlc

Final Submission. I have read and agreed with Statement of Academic Integrity.

Dependencies:   mbed Gamepad N5110 Joystick

Game_engine/Game_engine.cpp@7:72119ea3b3b1, 2019-05-09 (annotated)

Committer:
el16dlc
Date:
Thu May 09 09:09:07 2019 +0000
Revision:
7:72119ea3b3b1
Parent:
6:f02ea8ec42b3
Child:
8:264398d3c610
8

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el16dlc 1:b9f3b7d869d8 1 #include "Game_engine.h"
el16dlc 2:0bd6711eae26 2 #include "Snake.h"
el16dlc 1:b9f3b7d869d8 3
el16dlc 1:b9f3b7d869d8 4 GameEngine::GameEngine() {
el16dlc 1:b9f3b7d869d8 5 }
el16dlc 1:b9f3b7d869d8 6
el16dlc 1:b9f3b7d869d8 7 GameEngine::~GameEngine() {
el16dlc 1:b9f3b7d869d8 8 }
el16dlc 2:0bd6711eae26 9 Snake snake;
el16dlc 1:b9f3b7d869d8 10
el16dlc 2:0bd6711eae26 11 void GameEngine::init() {
el16dlc 2:0bd6711eae26 12 snake.init();
el16dlc 5:23a85b16ee54 13 _game_cont = true;
el16dlc 3:660de4311976 14 snake.set_food_posX((rand()%(19) + 1) * 4);
el16dlc 3:660de4311976 15 snake.set_food_posY((rand()%(11) + 1) * 4 - 2);
el16dlc 4:0fc3441556e1 16 _body_seg = 1;
el16dlc 2:0bd6711eae26 17 }
el16dlc 1:b9f3b7d869d8 18 void GameEngine::draw(N5110 &lcd) {
el16dlc 1:b9f3b7d869d8 19 lcd.drawRect(0,0,WIDTH,HEIGHT,FILL_TRANSPARENT); // Draws screen limits
el16dlc 2:0bd6711eae26 20 snake.draw_head(lcd);
el16dlc 3:660de4311976 21 snake.draw_food(lcd);
el16dlc 2:0bd6711eae26 22 }
el16dlc 2:0bd6711eae26 23
el16dlc 2:0bd6711eae26 24 void GameEngine::get_dir(Gamepad &gamepad) {
el16dlc 3:660de4311976 25 if ( gamepad.check_event(Gamepad::Y_PRESSED) && _direction != 1) {
el16dlc 2:0bd6711eae26 26 _direction = 0;
el16dlc 2:0bd6711eae26 27 }
el16dlc 6:f02ea8ec42b3 28 else if ( gamepad.check_event(Gamepad::A_PRESSED) && _direction != 0) {
el16dlc 2:0bd6711eae26 29 _direction = 1;
el16dlc 2:0bd6711eae26 30 }
el16dlc 6:f02ea8ec42b3 31 else if ( gamepad.check_event(Gamepad::X_PRESSED) && _direction != 3) {
el16dlc 2:0bd6711eae26 32 _direction = 2;
el16dlc 2:0bd6711eae26 33 }
el16dlc 6:f02ea8ec42b3 34 else if ( gamepad.check_event(Gamepad::B_PRESSED) && _direction != 2) {
el16dlc 2:0bd6711eae26 35 _direction = 3;
el16dlc 2:0bd6711eae26 36 }
el16dlc 2:0bd6711eae26 37 }
el16dlc 2:0bd6711eae26 38
el16dlc 2:0bd6711eae26 39 void GameEngine::snake_move() {
el16dlc 2:0bd6711eae26 40 if (_direction == 0) {
el16dlc 2:0bd6711eae26 41 snake.set_snake_posY (snake.get_snake_posY()- 4);
el16dlc 2:0bd6711eae26 42 } else if (_direction == 1) {
el16dlc 2:0bd6711eae26 43 snake.set_snake_posY (snake.get_snake_posY()+ 4);
el16dlc 2:0bd6711eae26 44 } else if (_direction == 2) {
el16dlc 2:0bd6711eae26 45 snake.set_snake_posX (snake.get_snake_posX()- 4);
el16dlc 2:0bd6711eae26 46 } else if (_direction == 3) {
el16dlc 2:0bd6711eae26 47 snake.set_snake_posX (snake.get_snake_posX()+ 4);
el16dlc 6:f02ea8ec42b3 48 }
el16dlc 3:660de4311976 49 }
el16dlc 3:660de4311976 50
el16dlc 3:660de4311976 51 void GameEngine::food_move() {
el16dlc 5:23a85b16ee54 52 srand(time(NULL));
el16dlc 3:660de4311976 53 if(snake.get_snake_posX() == snake.get_food_posX() && snake.get_snake_posY() == snake.get_food_posY()) {
el16dlc 3:660de4311976 54 snake.set_food_posX((rand()%(19) + 1) * 4);
el16dlc 3:660de4311976 55 snake.set_food_posY((rand()%(11) + 1) * 4 - 2);
el16dlc 7:72119ea3b3b1 56 for (int k = _body_seg; k > 0; k--) {
el16dlc 7:72119ea3b3b1 57 if((_body_posX[k] == snake.get_food_posX() && _body_posY[k] == snake.get_food_posY()) || (snake.get_snake_posX() == snake.get_food_posX() && snake.get_snake_posY() == snake.get_food_posY())) {
el16dlc 7:72119ea3b3b1 58 snake.set_food_posX((rand()%(19) + 1) * 4);
el16dlc 7:72119ea3b3b1 59 snake.set_food_posY((rand()%(11) + 1) * 4 - 2);
el16dlc 7:72119ea3b3b1 60 }
el16dlc 7:72119ea3b3b1 61 }
el16dlc 4:0fc3441556e1 62 _body_seg = _body_seg + 1;
el16dlc 3:660de4311976 63 }
el16dlc 3:660de4311976 64 }
el16dlc 4:0fc3441556e1 65 void GameEngine::snake_body(N5110 &lcd) {
el16dlc 4:0fc3441556e1 66 _body_posX[0] = snake.get_snake_posX();
el16dlc 4:0fc3441556e1 67 _body_posY[0] = snake.get_snake_posY();
el16dlc 4:0fc3441556e1 68 for (int j = _body_seg; j > 0; j--) {
el16dlc 4:0fc3441556e1 69 lcd.drawRect(_body_posX[j],_body_posY[j],4,4,FILL_BLACK);
el16dlc 4:0fc3441556e1 70 _body_posX[j] = _body_posX[j-1];
el16dlc 4:0fc3441556e1 71 _body_posY[j] = _body_posY[j-1];
el16dlc 4:0fc3441556e1 72 }
el16dlc 4:0fc3441556e1 73 }
el16dlc 5:23a85b16ee54 74
el16dlc 5:23a85b16ee54 75 void GameEngine::check_wall_collision() {
el16dlc 5:23a85b16ee54 76 if (snake.get_snake_posX() == 0 || snake.get_snake_posX() > 80 || snake.get_snake_posY() < 0 || snake.get_snake_posY() > 44) {
el16dlc 5:23a85b16ee54 77 _game_cont = false;
el16dlc 5:23a85b16ee54 78 }
el16dlc 5:23a85b16ee54 79 }
el16dlc 5:23a85b16ee54 80
el16dlc 5:23a85b16ee54 81 void GameEngine::check_snake_collision() {
el16dlc 5:23a85b16ee54 82 for (int i = _body_seg; i > 1; i--) {
el16dlc 5:23a85b16ee54 83 if (_body_posX[i] == snake.get_snake_posX() && _body_posY[i] == snake.get_snake_posY()) {
el16dlc 5:23a85b16ee54 84 _game_cont = false;
el16dlc 5:23a85b16ee54 85 }
el16dlc 5:23a85b16ee54 86 }
el16dlc 5:23a85b16ee54 87
el16dlc 5:23a85b16ee54 88 }
el16dlc 5:23a85b16ee54 89
el16dlc 5:23a85b16ee54 90 // accessor
el16dlc 5:23a85b16ee54 91 bool GameEngine::get_game_cont() {
el16dlc 5:23a85b16ee54 92 return _game_cont;
el16dlc 5:23a85b16ee54 93 }