ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17oc1

Owen Cavender 201159294

Dependencies:   mbed Gamepad2

main.cpp@6:bf90044188d0, 2020-05-28 (annotated)

Committer:
el17oc
Date:
Thu May 28 15:02:30 2020 +0000
Revision:
6:bf90044188d0
Parent:
5:d716013c6a18
Child:
8:997f90c88246
static snake

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17oc 1:897160a1a3ae 1 /*
eencae 0:b7f1f47bb26a 2 ELEC2645 Embedded Systems Project
el17oc 6:bf90044188d0 3 School of Electronic & Electrical appleering
eencae 0:b7f1f47bb26a 4 University of Leeds
eencae 0:b7f1f47bb26a 5 2019/20
eencae 0:b7f1f47bb26a 6
el17oc 1:897160a1a3ae 7 Name: Owen Cavender
el17oc 1:897160a1a3ae 8 Username: el17oc
el17oc 1:897160a1a3ae 9 Student ID Number: 201159294
el17oc 1:897160a1a3ae 10 Date: 20/04/2020
el17oc 1:897160a1a3ae 11
el17oc 1:897160a1a3ae 12 The game loop will be entered after the game is initialised. The first step is to process the
el17oc 6:bf90044188d0 13 user input (if any). The next step is to update the game apple depending on the input i.e.
el17oc 1:897160a1a3ae 14 moving a character or checking for collisions. The final step is to update the display and render
el17oc 4:748e3ff14e72 15 this on the LCD. There is usual////
eencae 0:b7f1f47bb26a 16 */
eencae 0:b7f1f47bb26a 17
eencae 0:b7f1f47bb26a 18 // includes
eencae 0:b7f1f47bb26a 19 #include "mbed.h"
eencae 0:b7f1f47bb26a 20 #include "Gamepad.h"
eencae 0:b7f1f47bb26a 21 #include "N5110.h"
el17oc 1:897160a1a3ae 22 #include "snake.h"
el17oc 6:bf90044188d0 23 #include "Apple.h"
el17oc 6:bf90044188d0 24
el17oc 6:bf90044188d0 25
el17oc 1:897160a1a3ae 26
el17oc 1:897160a1a3ae 27 //objects
el17oc 1:897160a1a3ae 28 Gamepad pad;
el17oc 1:897160a1a3ae 29 Snake snake;
el17oc 1:897160a1a3ae 30 N5110 lcd;
el17oc 6:bf90044188d0 31 Apple apple;
el17oc 6:bf90044188d0 32 Timer timer;
el17oc 1:897160a1a3ae 33 //functions
el17oc 1:897160a1a3ae 34
el17oc 1:897160a1a3ae 35 void welcome();
el17oc 1:897160a1a3ae 36 void render();
el17oc 1:897160a1a3ae 37 void init();
el17oc 1:897160a1a3ae 38 void update_game_state();
el17oc 6:bf90044188d0 39 void gameover_true();
el17oc 1:897160a1a3ae 40
el17oc 6:bf90044188d0 41 //Serial pc(USBTX, USBRX);
el17oc 6:bf90044188d0 42
el17oc 6:bf90044188d0 43 int main()
el17oc 1:897160a1a3ae 44 {
el17oc 6:bf90044188d0 45 printf("hello world");
el17oc 1:897160a1a3ae 46 int fps = 6; // frames per second
el17oc 1:897160a1a3ae 47
el17oc 1:897160a1a3ae 48 init(); // initialise and then display welcome screen...
el17oc 1:897160a1a3ae 49 welcome();
el17oc 1:897160a1a3ae 50 wait(1.0f/fps); // and wait for one frame period
el17oc 1:897160a1a3ae 51 render();
el17oc 6:bf90044188d0 52 timer.start(); //ROB atm the code works to here
el17oc 6:bf90044188d0 53 //need to draw an initial snake
el17oc 1:897160a1a3ae 54 while (1) {
el17oc 6:bf90044188d0 55 ;
el17oc 6:bf90044188d0 56 snake.get_position(pad);
el17oc 6:bf90044188d0 57 snake.check_collisions();
el17oc 6:bf90044188d0 58 snake.check_score(lcd, pad, apple, timer);
el17oc 6:bf90044188d0 59 snake.get_timer(timer);
el17oc 6:bf90044188d0 60
el17oc 6:bf90044188d0 61 gameover_true();
el17oc 6:bf90044188d0 62 snake.render(lcd, apple);
el17oc 6:bf90044188d0 63
el17oc 6:bf90044188d0 64 wait(1.0f/fps);
el17oc 1:897160a1a3ae 65 }
el17oc 1:897160a1a3ae 66
el17oc 1:897160a1a3ae 67 }
el17oc 1:897160a1a3ae 68
eencae 0:b7f1f47bb26a 69
eencae 0:b7f1f47bb26a 70
el17oc 1:897160a1a3ae 71 void init()
el17oc 1:897160a1a3ae 72 {
el17oc 1:897160a1a3ae 73
el17oc 6:bf90044188d0 74 snake.init(); //need to initialise snake class
el17oc 1:897160a1a3ae 75 pad.init();
el17oc 1:897160a1a3ae 76 lcd.init();
el17oc 6:bf90044188d0 77 apple.init(48, 24);
el17oc 1:897160a1a3ae 78
eencae 0:b7f1f47bb26a 79 }
eencae 0:b7f1f47bb26a 80
el17oc 6:bf90044188d0 81
el17oc 6:bf90044188d0 82
el17oc 1:897160a1a3ae 83 void welcome()
el17oc 1:897160a1a3ae 84 {
el17oc 6:bf90044188d0 85 lcd.refresh();
el17oc 6:bf90044188d0 86 printf("hello world");
el17oc 1:897160a1a3ae 87 lcd.printString(" SNAKE ",0,1);
el17oc 1:897160a1a3ae 88 lcd.printString(" Press Start ",0,4);
el17oc 1:897160a1a3ae 89
el17oc 1:897160a1a3ae 90 while ( pad.start_pressed() == false) {
el17oc 1:897160a1a3ae 91 lcd.setContrast( pad.read_pot1());
el17oc 1:897160a1a3ae 92 pad.leds_on();
el17oc 1:897160a1a3ae 93 wait(0.1);
el17oc 1:897160a1a3ae 94 pad.leds_off();
el17oc 1:897160a1a3ae 95 wait(0.1);
el17oc 1:897160a1a3ae 96 }
el17oc 1:897160a1a3ae 97
el17oc 1:897160a1a3ae 98 }
el17oc 1:897160a1a3ae 99
el17oc 1:897160a1a3ae 100
el17oc 1:897160a1a3ae 101 void render()
el17oc 1:897160a1a3ae 102 {
el17oc 1:897160a1a3ae 103 lcd.clear();
el17oc 1:897160a1a3ae 104 lcd.drawRect(0, 0, 84, 42, FILL_TRANSPARENT);
el17oc 6:bf90044188d0 105 lcd.printString(" GO! ", 0,25);
el17oc 6:bf90044188d0 106 wait(1.0);
el17oc 5:d716013c6a18 107 lcd.refresh();
el17oc 1:897160a1a3ae 108 }
el17oc 1:897160a1a3ae 109
el17oc 1:897160a1a3ae 110
el17oc 1:897160a1a3ae 111
el17oc 1:897160a1a3ae 112
el17oc 6:bf90044188d0 113 void gameover_true() //taking action if crash has occured
el17oc 6:bf90044188d0 114 {
el17oc 6:bf90044188d0 115 bool gameover = snake.get_gameover();
el17oc 6:bf90044188d0 116 int score = snake.get_score();
el17oc 6:bf90044188d0 117
el17oc 6:bf90044188d0 118 while (gameover == true) {
el17oc 6:bf90044188d0 119 lcd.clear();
el17oc 6:bf90044188d0 120 lcd.refresh();
el17oc 6:bf90044188d0 121 lcd.printString( " Game Over L ", 0, 2 );
el17oc 6:bf90044188d0 122 snake.print_scores(lcd);
el17oc 6:bf90044188d0 123
el17oc 6:bf90044188d0 124 if (score <= 7) {
el17oc 6:bf90044188d0 125 lcd.printString(" Loser ", 0,10);
el17oc 6:bf90044188d0 126 }
el17oc 6:bf90044188d0 127 if (7< score <= 25) {
el17oc 6:bf90044188d0 128 lcd.printString(" Good Job! ", 0,10);
el17oc 6:bf90044188d0 129 } else {
el17oc 6:bf90044188d0 130 lcd.printString(" SNAKE PRO ", 0,10);
el17oc 6:bf90044188d0 131 lcd.printString(" ~.~.~.~.<8>~ ", 0, 5);
el17oc 6:bf90044188d0 132 }
el17oc 6:bf90044188d0 133 }
el17oc 1:897160a1a3ae 134
el17oc 1:897160a1a3ae 135
el17oc 6:bf90044188d0 136 }
el17oc 1:897160a1a3ae 137
el17oc 1:897160a1a3ae 138
el17oc 1:897160a1a3ae 139 //has an apple been collected? if so increase length by 1 increase score by 1 and makes coin collecting noise and spawn new apple
el17oc 1:897160a1a3ae 140 //has snake touched itself or wall - if so end game - present score - make xxx sound fail --- apple needs to be different to the snakes body and different to wall
el17oc 1:897160a1a3ae 141 //has button button been pressed - if so change direction accordingly
el17oc 1:897160a1a3ae 142 //max length - when length = width x height - 1 - game complete
el17oc 1:897160a1a3ae 143 //each pixel of length must follow the front pixel
el17oc 1:897160a1a3ae 144 // 2 modes - time race - "get an apple before time runs out" - resets timer --- then classic snake
el17oc 1:897160a1a3ae 145
el17oc 1:897160a1a3ae 146
el17oc 1:897160a1a3ae 147
el17oc 1:897160a1a3ae 148 //need to add audio, leds, (main menu end menu and entering and leaving the while(1) loop), time trial mode, .h files