ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el18mrjr

Matis Requis 201241242

Dependencies:   mbed

Tempest Game

Game Screen

https://os.mbed.com/media/uploads/MatisRequis/tempest_board_wiki.png The board is made of 12 columns. The Hero stays at the top of the column

Game Controls

https://os.mbed.com/media/uploads/MatisRequis/gamepad_buttons.png

To control the hero spaceship point the joystick to the column you want the hero to go to.

Press the A button to shoot a bullet in the column you are currently in.

Alien/Alien.cpp@10:2ae9d4145410, 2020-05-26 (annotated)

Committer:
MatisRequis
Date:
Tue May 26 16:31:22 2020 +0000
Revision:
10:2ae9d4145410
Parent:
9:759b419fec3b 
Finished code with comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MatisRequis 9:759b419fec3b 1 #include "Alien.h"
MatisRequis 9:759b419fec3b 2
MatisRequis 9:759b419fec3b 3 Alien::Alien() {
MatisRequis 9:759b419fec3b 4
MatisRequis 9:759b419fec3b 5 }
MatisRequis 9:759b419fec3b 6
MatisRequis 9:759b419fec3b 7 Alien::~Alien() {
MatisRequis 9:759b419fec3b 8
MatisRequis 9:759b419fec3b 9 }
MatisRequis 9:759b419fec3b 10
MatisRequis 10:2ae9d4145410 11 //initialises the alien with all the speed values and the path it uses
MatisRequis 9:759b419fec3b 12 void Alien::init(int column, int speed) {
MatisRequis 10:2ae9d4145410 13 _currentpos = 13;
MatisRequis 10:2ae9d4145410 14 //makes pseudo rando number generator have different seed every time based on the current time
MatisRequis 10:2ae9d4145410 15 srand(time(NULL));
MatisRequis 9:759b419fec3b 16 _column = column;
MatisRequis 9:759b419fec3b 17 _board.path();
MatisRequis 9:759b419fec3b 18 _alienspeed = speed;
MatisRequis 10:2ae9d4145410 19 _movcount = 10;
MatisRequis 9:759b419fec3b 20
MatisRequis 9:759b419fec3b 21 }
MatisRequis 9:759b419fec3b 22
MatisRequis 10:2ae9d4145410 23 //draws the alien
MatisRequis 9:759b419fec3b 24 void Alien::draw(N5110 &lcd) {
MatisRequis 9:759b419fec3b 25 getxy();
MatisRequis 10:2ae9d4145410 26
MatisRequis 10:2ae9d4145410 27 //draws the alien in differnet orientation depending on the column
MatisRequis 9:759b419fec3b 28 if (_column < 3 && _column >= 0) {
MatisRequis 9:759b419fec3b 29 lcd.drawLine(_x-1, _y, _x+1, _y, 1);
MatisRequis 9:759b419fec3b 30 lcd.drawLine(_x-2, _y+1, _x+2, _y+1, 1);
MatisRequis 9:759b419fec3b 31
MatisRequis 9:759b419fec3b 32 } else if (_column < 6 && _column > 2) {
MatisRequis 9:759b419fec3b 33 lcd.drawLine(_x, _y-1, _x, _y+1, 1);
MatisRequis 9:759b419fec3b 34 lcd.drawLine(_x-1, _y-2, _x-1, _y+2, 1);
MatisRequis 9:759b419fec3b 35
MatisRequis 9:759b419fec3b 36 } else if (_column < 9 && _column > 5) {
MatisRequis 9:759b419fec3b 37 lcd.drawLine(_x-1, _y, _x+1, _y, 1);
MatisRequis 9:759b419fec3b 38 lcd.drawLine(_x-2, _y-1, _x+2, _y-1, 1);
MatisRequis 9:759b419fec3b 39
MatisRequis 9:759b419fec3b 40 } else if (_column < 12 && _column > 8) {
MatisRequis 9:759b419fec3b 41 lcd.drawLine(_x, _y-1, _x, _y+1, 1);
MatisRequis 9:759b419fec3b 42 lcd.drawLine(_x+1, _y-2, _x+1, _y+2, 1);
MatisRequis 9:759b419fec3b 43 }
MatisRequis 9:759b419fec3b 44 }
MatisRequis 9:759b419fec3b 45
MatisRequis 9:759b419fec3b 46 void Alien::update() {
MatisRequis 9:759b419fec3b 47 //advances the alien every x update
MatisRequis 9:759b419fec3b 48 if (_movcount <= 0) {
MatisRequis 9:759b419fec3b 49
MatisRequis 9:759b419fec3b 50 //random movement can move the alien +1 column, -1 column or not move
MatisRequis 9:759b419fec3b 51 _rand = (rand() % 3)-1;
MatisRequis 9:759b419fec3b 52 _column += _rand;
MatisRequis 9:759b419fec3b 53
MatisRequis 9:759b419fec3b 54 _currentpos--;
MatisRequis 10:2ae9d4145410 55 //resets the speed limiter
MatisRequis 9:759b419fec3b 56 _movcount = _alienspeed;
MatisRequis 9:759b419fec3b 57 } else {
MatisRequis 9:759b419fec3b 58 _movcount--;
MatisRequis 9:759b419fec3b 59 }
MatisRequis 9:759b419fec3b 60
MatisRequis 9:759b419fec3b 61 }
MatisRequis 9:759b419fec3b 62
MatisRequis 10:2ae9d4145410 63 //checks if the alien is at the end of the lane
MatisRequis 9:759b419fec3b 64 int Alien::checkdelete() {
MatisRequis 10:2ae9d4145410 65 if (_currentpos < 1) {
MatisRequis 9:759b419fec3b 66 return 1;
MatisRequis 9:759b419fec3b 67 } else {
MatisRequis 9:759b419fec3b 68 return 0;
MatisRequis 9:759b419fec3b 69 }
MatisRequis 9:759b419fec3b 70 }
MatisRequis 9:759b419fec3b 71
MatisRequis 10:2ae9d4145410 72 //returns the current position of the alien
MatisRequis 9:759b419fec3b 73 Vector2D Alien::getxy() {
MatisRequis 9:759b419fec3b 74 _x = _board.drawcolumn[_column][_currentpos].x;
MatisRequis 9:759b419fec3b 75 _y = _board.drawcolumn[_column][_currentpos].y;
MatisRequis 10:2ae9d4145410 76
MatisRequis 10:2ae9d4145410 77 Vector2D alienxy = {_board.drawcolumn[_column][_currentpos].x, _board.drawcolumn[_column][_currentpos].y};
MatisRequis 10:2ae9d4145410 78 return alienxy;
MatisRequis 10:2ae9d4145410 79 }
MatisRequis 10:2ae9d4145410 80
MatisRequis 10:2ae9d4145410 81 //returns the column and position in the lane of the alien
MatisRequis 10:2ae9d4145410 82 Vector2D Alien::getcolumnpos() {
MatisRequis 10:2ae9d4145410 83 Vector2D aliencolpos = {_column, _currentpos};
MatisRequis 10:2ae9d4145410 84 return aliencolpos;
MatisRequis 10:2ae9d4145410 85 }