ELEC2645 (2018/19) / Mbed 2 deprecated fy14lkaa

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

SpaceEngine/SpaceEngine.cpp@146:5014ef83d4e6, 2019-05-09 (annotated)

Committer:
fy14lkaa
Date:
Thu May 09 10:35:00 2019 +0000
Revision:
146:5014ef83d4e6
Parent:
145:e060e890c725
Child:
147:c008c0a32d23
added more comments for SpaceEngine.cpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fy14lkaa 120:53e47c1e58f3 1 #include"SpaceEngine.h"
fy14lkaa 12:45b1249b3d9a 2
fy14lkaa 145:e060e890c725 3 SpaceEngine::SpaceEngine() //constructor of class SpaceEngine
fy14lkaa 12:45b1249b3d9a 4 {
fy14lkaa 12:45b1249b3d9a 5 }
fy14lkaa 145:e060e890c725 6 SpaceEngine::~SpaceEngine() ////Destructor of class SpaceEngine
fy14lkaa 12:45b1249b3d9a 7 {
fy14lkaa 12:45b1249b3d9a 8 }
fy14lkaa 12:45b1249b3d9a 9
fy14lkaa 12:45b1249b3d9a 10
fy14lkaa 146:5014ef83d4e6 11 //void function to initalise all the parameters of SpaceEngine Class.
fy14lkaa 122:d1fd8cbe6633 12
fy14lkaa 122:d1fd8cbe6633 13 void SpaceEngine::init(int x_spaceship,int y_spaceship, int x_bullet, int y_bullet,int fired_bullet, int x_alien,int y_alien, int speed_alien, int speed_bullet, int speed_spaceship)
fy14lkaa 57:45c5de9cefdf 14 {
fy14lkaa 57:45c5de9cefdf 15
fy14lkaa 146:5014ef83d4e6 16 _x_spaceship=x_spaceship; // represents the x-cooridante of the spaceship.
fy14lkaa 146:5014ef83d4e6 17 _y_spaceship=y_spaceship; //represents the y-cooridante of the spaceship.
fy14lkaa 146:5014ef83d4e6 18 _speed_spaceship=speed_spaceship; // speed of the spaceship.
fy14lkaa 146:5014ef83d4e6 19 _x_bullet=x_bullet; //the x-cooridante of the bullet.
fy14lkaa 146:5014ef83d4e6 20 _y_bullet=y_bullet; //the y-cooridante of the bullet.
fy14lkaa 146:5014ef83d4e6 21 _fired_bullet= fired_bullet; //spaceship fired the alien by relaseing the bullet.
fy14lkaa 146:5014ef83d4e6 22 _x_alien= x_alien; // x-cooridante of the alien.
fy14lkaa 146:5014ef83d4e6 23 _y_alien= y_alien; //y-cooridante of the alien.
fy14lkaa 146:5014ef83d4e6 24 _speed_alien= speed_alien; // the speed of the alien.
fy14lkaa 146:5014ef83d4e6 25 _speed_bullet=speed_bullet; // the speed of the bullet
fy14lkaa 145:e060e890c725 26
fy14lkaa 146:5014ef83d4e6 27 _bullet.init(_x_bullet, _y_bullet, speed_bullet,fired_bullet); //initalise bullet.
fy14lkaa 146:5014ef83d4e6 28 _alien.init (_x_alien, _y_alien,_speed_alien); //initalise alien
fy14lkaa 146:5014ef83d4e6 29 _spaceship.init( _x_spaceship, _y_spaceship, _speed_spaceship); //initalise spaceship
fy14lkaa 146:5014ef83d4e6 30 _alien_killed = 0; // set the killed alien at 0.
fy14lkaa 123:d68eb9023d88 31 }
fy14lkaa 146:5014ef83d4e6 32 // void function for Gamepad library to read the position of the objects.
fy14lkaa 124:77f379153715 33 void SpaceEngine::read_input(Gamepad &pad)
fy14lkaa 12:45b1249b3d9a 34 {
fy14lkaa 146:5014ef83d4e6 35
fy14lkaa 12:45b1249b3d9a 36 _d = pad.get_direction();
fy14lkaa 13:9d6ee753eca6 37 _mag = pad.get_mag();
fy14lkaa 124:77f379153715 38
fy14lkaa 12:45b1249b3d9a 39 }
fy14lkaa 12:45b1249b3d9a 40
fy14lkaa 146:5014ef83d4e6 41 /**this function draw the objects on the screen
fy14lkaa 146:5014ef83d4e6 42 *by using the (N5110 &lcd) libraries
fy14lkaa 146:5014ef83d4e6 43 * if statment to check if the alien is alive so the lcd can draw it on the screen
fy14lkaa 146:5014ef83d4e6 44 * else if statment will check if the alien dead so it should disappear
fy14lkaa 146:5014ef83d4e6 45 *also it draws the spaceship
fy14lkaa 146:5014ef83d4e6 46 */
fy14lkaa 124:77f379153715 47 void SpaceEngine::draw(N5110 &lcd)
fy14lkaa 124:77f379153715 48 {
fy14lkaa 124:77f379153715 49 _bullet.draw(lcd);
fy14lkaa 136:58f393968aa3 50
fy14lkaa 133:eed60548d170 51 if (_alien.isAlive() == true) {
fy14lkaa 133:eed60548d170 52 _alien.draw(lcd);
fy14lkaa 133:eed60548d170 53 } else { // alien is dead
fy14lkaa 146:5014ef83d4e6 54 int y_pos = (rand() % 30) + 10; // random number 10 to 39.
fy14lkaa 146:5014ef83d4e6 55 _alien.init(70,y_pos,1); //initalise alien.
fy14lkaa 133:eed60548d170 56 wait(0.2);
fy14lkaa 133:eed60548d170 57 }
fy14lkaa 136:58f393968aa3 58
fy14lkaa 124:77f379153715 59 _spaceship.draw(lcd);
fy14lkaa 133:eed60548d170 60 lcd.printString("alien_killed",0,0);
fy14lkaa 133:eed60548d170 61 char kills[14];
fy14lkaa 133:eed60548d170 62 sprintf(kills,"%2d",_alien_killed);
fy14lkaa 133:eed60548d170 63 lcd.printString(kills,70,0);
fy14lkaa 137:fe80c0f2da9d 64
fy14lkaa 56:c8fc0a1f4132 65 }
fy14lkaa 146:5014ef83d4e6 66 /*
fy14lkaa 146:5014ef83d4e6 67 *this void function for reading the the positions of the inputs(objects)by(Gamepad &pad)libraries in class SpaceEngine to detect the collisions.
fy14lkaa 146:5014ef83d4e6 68 *this inculde if statment that shows when joystic's direction to the east the bullt will fired.
fy14lkaa 146:5014ef83d4e6 69 */
fy14lkaa 125:b83378770171 70 void SpaceEngine::update(Gamepad &pad)
fy14lkaa 70:7f0b330ff40b 71 {
fy14lkaa 125:b83378770171 72 _bullet.update(_d,_mag);
fy14lkaa 125:b83378770171 73 _alien.update(_d,_mag);
fy14lkaa 125:b83378770171 74 _spaceship.update(_d,_mag);
fy14lkaa 137:fe80c0f2da9d 75 check_space_collision(pad);
fy14lkaa 133:eed60548d170 76 _y_alien = _alien.get_pos_y();
fy14lkaa 133:eed60548d170 77 _x_alien = _alien.get_pos_x();
fy14lkaa 133:eed60548d170 78 _y_bullet = _bullet.get_pos_y();
fy14lkaa 133:eed60548d170 79 _x_bullet = _bullet.get_pos_x();
fy14lkaa 133:eed60548d170 80 if(_d==E) {
fy14lkaa 125:b83378770171 81 _fired_bullet=1;
fy14lkaa 137:fe80c0f2da9d 82 }
fy14lkaa 146:5014ef83d4e6 83 _bullet.set_pos(_spaceship.get_pos_x()+33, _spaceship.get_pos_y()); //set the position of the bullet where the x= x_spaceship+x_bullet but the y are same
fy14lkaa 133:eed60548d170 84 }
fy14lkaa 137:fe80c0f2da9d 85
fy14lkaa 137:fe80c0f2da9d 86
fy14lkaa 137:fe80c0f2da9d 87
fy14lkaa 137:fe80c0f2da9d 88 void SpaceEngine::check_space_collision(Gamepad &pad) {
fy14lkaa 133:eed60548d170 89
fy14lkaa 136:58f393968aa3 90 if(_x_bullet >= 65 && _x_bullet <= 68 && _y_bullet >= _y_alien-5 && _y_bullet <= _y_alien+15) {
fy14lkaa 136:58f393968aa3 91 _alien.setAlive(false);
fy14lkaa 136:58f393968aa3 92 _alien_killed++;
fy14lkaa 136:58f393968aa3 93 }
fy14lkaa 137:fe80c0f2da9d 94
fy14lkaa 133:eed60548d170 95 }