Joe Shotton / Mbed 2 deprecated ELEC2645_Project_ll16j23s

testing documentation

Dependencies:   mbed ll16j23s_test_docs

Food/Food.cpp@10:a2d643b3c782, 2020-05-26 (annotated)

Committer:
JoeShotton
Date:
Tue May 26 23:25:09 2020 +0000
Revision:
10:a2d643b3c782
Parent:
9:0571880085cc 
Removed several bugs, started on thorough documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JoeShotton 3:fcd6d70e9694 1 #include "Food.h"
JoeShotton 3:fcd6d70e9694 2
JoeShotton 3:fcd6d70e9694 3 Food::Food()
JoeShotton 3:fcd6d70e9694 4 {
JoeShotton 3:fcd6d70e9694 5 //constructor
JoeShotton 5:06fa7674622a 6 _x = 22; // starts off-screen
JoeShotton 4:ea3fa51c4386 7 _y = 30;
JoeShotton 4:ea3fa51c4386 8 _frame = 0;
JoeShotton 3:fcd6d70e9694 9 }
JoeShotton 3:fcd6d70e9694 10
JoeShotton 3:fcd6d70e9694 11 Food::~Food()
JoeShotton 3:fcd6d70e9694 12 {
JoeShotton 3:fcd6d70e9694 13 //deconstructor
JoeShotton 3:fcd6d70e9694 14 }
JoeShotton 3:fcd6d70e9694 15
JoeShotton 10:a2d643b3c782 16 void Food::init(Gamepad &pad, N5110 &lcd, FXOS8700CQ &mag) {
JoeShotton 7:dd84e0fab346 17
JoeShotton 5:06fa7674622a 18 mag.init();
JoeShotton 5:06fa7674622a 19 Data _values = mag.get_values();
JoeShotton 10:a2d643b3c782 20 _seed = 1000000*(_values.mx + _values.my + _values.mz); //seed generated from combination of accelerometre values so any can change for seed to change
JoeShotton 5:06fa7674622a 21 srand(_seed);
JoeShotton 10:a2d643b3c782 22 while (rand_pos(pad, lcd) == false){ //while new food coordinates are in the snake/walls
JoeShotton 10:a2d643b3c782 23 rand_pos(pad, lcd); //choose new coords by rerunning the function
JoeShotton 10:a2d643b3c782 24 printf("Reselected food position\n");
JoeShotton 10:a2d643b3c782 25 }
JoeShotton 4:ea3fa51c4386 26 }
JoeShotton 4:ea3fa51c4386 27
JoeShotton 4:ea3fa51c4386 28
JoeShotton 8:bcc3403d7e79 29 bool Food::rand_pos(Gamepad &pad, N5110 &lcd) {
JoeShotton 8:bcc3403d7e79 30 wait_ms(10);
JoeShotton 8:bcc3403d7e79 31 pad.led(3,0.1);
JoeShotton 4:ea3fa51c4386 32 _x = 2 * (rand() % 42); //selects random x cell
JoeShotton 4:ea3fa51c4386 33 //printf("Food x: %d\n", _x);
JoeShotton 4:ea3fa51c4386 34 _y = 2 * (rand() % 24); //selects random y call
JoeShotton 4:ea3fa51c4386 35 //printf("Food y: %d\n", _y);
JoeShotton 10:a2d643b3c782 36 if (lcd.getPixel(_x,_y)) { //checks if selected pixel is already black (ie body or walls at this location)
JoeShotton 8:bcc3403d7e79 37 return false;
JoeShotton 8:bcc3403d7e79 38 } else {
JoeShotton 8:bcc3403d7e79 39 return true;
JoeShotton 8:bcc3403d7e79 40 }
JoeShotton 3:fcd6d70e9694 41 }
JoeShotton 3:fcd6d70e9694 42
JoeShotton 4:ea3fa51c4386 43 void Food::draw(N5110 &lcd, int &_frame) {
JoeShotton 3:fcd6d70e9694 44
JoeShotton 4:ea3fa51c4386 45 // draw food, with alternating pixels depending on frame.
JoeShotton 4:ea3fa51c4386 46 _frame++;
JoeShotton 9:0571880085cc 47 _frame = _frame % 12;
JoeShotton 4:ea3fa51c4386 48 if (_frame > 6) {
JoeShotton 4:ea3fa51c4386 49 lcd.drawLine(_x, _y, _x + 1,_y + 1,1);
JoeShotton 4:ea3fa51c4386 50 } else {
JoeShotton 4:ea3fa51c4386 51 lcd.drawLine(_x + 1, _y, _x,_y + 1,1);
JoeShotton 4:ea3fa51c4386 52 }
JoeShotton 3:fcd6d70e9694 53 }
JoeShotton 3:fcd6d70e9694 54
JoeShotton 9:0571880085cc 55 void Food::run(N5110 &lcd)
JoeShotton 3:fcd6d70e9694 56 {
JoeShotton 4:ea3fa51c4386 57 draw(lcd, _frame);
JoeShotton 3:fcd6d70e9694 58 }
JoeShotton 4:ea3fa51c4386 59