ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el17oc1

Owen Cavender 201159294

Dependencies:   mbed Gamepad2

main.cpp@5:d716013c6a18, 2020-05-27 (annotated)

Committer:
el17oc
Date:
Wed May 27 10:27:34 2020 +0000
Revision:
5:d716013c6a18
Parent:
4:748e3ff14e72
Child:
6:bf90044188d0
not final

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17oc 1:897160a1a3ae 1 /*
eencae 0:b7f1f47bb26a 2 ELEC2645 Embedded Systems Project
eencae 0:b7f1f47bb26a 3 School of Electronic & Electrical Engineering
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 1:897160a1a3ae 13 user input (if any). The next step is to update the game engine 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 1:897160a1a3ae 23 #include "GameEngine.h"
el17oc 1:897160a1a3ae 24
el17oc 1:897160a1a3ae 25 //objects
el17oc 1:897160a1a3ae 26 Gamepad pad;
el17oc 1:897160a1a3ae 27 Snake snake;
el17oc 1:897160a1a3ae 28 N5110 lcd;
el17oc 1:897160a1a3ae 29 GameEngine engine;
el17oc 1:897160a1a3ae 30 //functions
el17oc 1:897160a1a3ae 31
el17oc 1:897160a1a3ae 32 void welcome();
el17oc 1:897160a1a3ae 33 void render();
el17oc 1:897160a1a3ae 34 void init();
el17oc 1:897160a1a3ae 35 void update_game_state();
el17oc 1:897160a1a3ae 36
el17oc 2:44e4a6ecdbef 37 int main()
el17oc 1:897160a1a3ae 38 {
el17oc 1:897160a1a3ae 39
el17oc 1:897160a1a3ae 40 int fps = 6; // frames per second
el17oc 1:897160a1a3ae 41
el17oc 1:897160a1a3ae 42 init(); // initialise and then display welcome screen...
el17oc 1:897160a1a3ae 43 welcome();
el17oc 1:897160a1a3ae 44 wait(1.0f/fps); // and wait for one frame period
el17oc 1:897160a1a3ae 45 render();
el17oc 2:44e4a6ecdbef 46 //ROB atm the code works to here
el17oc 2:44e4a6ecdbef 47 //need to draw an initial snake
el17oc 1:897160a1a3ae 48 while (1) {
el17oc 1:897160a1a3ae 49 snake.set_direction(pad);
el17oc 1:897160a1a3ae 50 update_game_state();
el17oc 2:44e4a6ecdbef 51 wait(1.0f/fps);
el17oc 1:897160a1a3ae 52 }
el17oc 1:897160a1a3ae 53
el17oc 1:897160a1a3ae 54 }
el17oc 1:897160a1a3ae 55
eencae 0:b7f1f47bb26a 56
eencae 0:b7f1f47bb26a 57
el17oc 1:897160a1a3ae 58 void init()
el17oc 1:897160a1a3ae 59 {
el17oc 1:897160a1a3ae 60
el17oc 5:d716013c6a18 61 snake.init(engine); //need to initialise snake class
el17oc 1:897160a1a3ae 62 pad.init();
el17oc 1:897160a1a3ae 63 lcd.init();
el17oc 5:d716013c6a18 64 engine.init(48, 24, 48, 30, 48, 23); // need to choose initial values A$AP int shx, int shy, int apx, int apy, int Oshx, int Oshy
el17oc 1:897160a1a3ae 65 }
eencae 0:b7f1f47bb26a 66
el17oc 1:897160a1a3ae 67 void update_game_state() //FUNCTION 2
eencae 0:b7f1f47bb26a 68 {
el17oc 1:897160a1a3ae 69
el17oc 1:897160a1a3ae 70 snake.set_direction(pad);
el17oc 5:d716013c6a18 71 snake.move_snakebody(engine, lcd);
el17oc 5:d716013c6a18 72
el17oc 5:d716013c6a18 73 snake.check_scored(lcd, pad, engine);
el17oc 1:897160a1a3ae 74 snake.gameover_true(lcd);
el17oc 1:897160a1a3ae 75
eencae 0:b7f1f47bb26a 76 }
eencae 0:b7f1f47bb26a 77
el17oc 1:897160a1a3ae 78 void welcome()
el17oc 1:897160a1a3ae 79 {
el17oc 1:897160a1a3ae 80
el17oc 1:897160a1a3ae 81 lcd.printString(" SNAKE ",0,1);
el17oc 1:897160a1a3ae 82 lcd.printString(" Press Start ",0,4);
el17oc 1:897160a1a3ae 83 lcd.refresh();
el17oc 1:897160a1a3ae 84
el17oc 1:897160a1a3ae 85 // wait flashing LEDs until start button is pressed
el17oc 1:897160a1a3ae 86 while ( pad.start_pressed() == false) {
el17oc 1:897160a1a3ae 87 lcd.setContrast( pad.read_pot1());
el17oc 1:897160a1a3ae 88 pad.leds_on();
el17oc 1:897160a1a3ae 89 wait(0.1);
el17oc 1:897160a1a3ae 90 pad.leds_off();
el17oc 1:897160a1a3ae 91 wait(0.1);
el17oc 1:897160a1a3ae 92 }
el17oc 1:897160a1a3ae 93
el17oc 1:897160a1a3ae 94 }
el17oc 1:897160a1a3ae 95
el17oc 1:897160a1a3ae 96
el17oc 1:897160a1a3ae 97 void render()
el17oc 1:897160a1a3ae 98 {
el17oc 5:d716013c6a18 99
el17oc 1:897160a1a3ae 100 lcd.clear();
el17oc 1:897160a1a3ae 101 lcd.drawRect(0, 0, 84, 42, FILL_TRANSPARENT);
el17oc 5:d716013c6a18 102 // Vector2D originalhead = engine.get_Snakehead(Snakehead); //draw constant rectangle around frame of lcd indicating walls
el17oc 5:d716013c6a18 103 // Vector2D originalbody = engine.get_oldSnakehead();
el17oc 2:44e4a6ecdbef 104
el17oc 5:d716013c6a18 105 // lcd.setPixel(originalhead.x, originalhead.y,1);
el17oc 5:d716013c6a18 106 //lcd.setPixel(originalbody.x, originalbody.y,1);
el17oc 5:d716013c6a18 107 lcd.refresh();
el17oc 1:897160a1a3ae 108 }
el17oc 1:897160a1a3ae 109
el17oc 1:897160a1a3ae 110
el17oc 1:897160a1a3ae 111 // for (int z=0; z<=_length; z++) {
el17oc 1:897160a1a3ae 112 // lcd.setPixel(snakebody[z].x, snakebody[z].y, 1);
el17oc 1:897160a1a3ae 113 // }
el17oc 1:897160a1a3ae 114 //use to draw wall - do i need to draw it everytime or can i do it as constant
el17oc 1:897160a1a3ae 115 //}
el17oc 1:897160a1a3ae 116
el17oc 1:897160a1a3ae 117
el17oc 1:897160a1a3ae 118
el17oc 1:897160a1a3ae 119
el17oc 1:897160a1a3ae 120
el17oc 1:897160a1a3ae 121
el17oc 1:897160a1a3ae 122 //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 123 //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 124 //has button button been pressed - if so change direction accordingly
el17oc 1:897160a1a3ae 125 //max length - when length = width x height - 1 - game complete
el17oc 1:897160a1a3ae 126 //each pixel of length must follow the front pixel
el17oc 1:897160a1a3ae 127 // 2 modes - time race - "get an apple before time runs out" - resets timer --- then classic snake
el17oc 1:897160a1a3ae 128
el17oc 1:897160a1a3ae 129
el17oc 1:897160a1a3ae 130
el17oc 1:897160a1a3ae 131 //need to add audio, leds, (main menu end menu and entering and leaving the while(1) loop), time trial mode, .h files