Musallam Bseiso / Enemy5

Nemesis game, fifth enemy

Enemy5.cpp@4:4932cfd474c9, 2017-05-03 (annotated)

Committer:
musallambseiso
Date:
Wed May 03 20:04:23 2017 +0000
Revision:
4:4932cfd474c9
Parent:
3:6b0386fe794c 
Removed redundant code, perfected Doxygen, added inline comments.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
musallambseiso 3:6b0386fe794c 1 #include "Enemy5.h"
musallambseiso 3:6b0386fe794c 2
musallambseiso 3:6b0386fe794c 3 Enemy5::Enemy5()
musallambseiso 3:6b0386fe794c 4 {
musallambseiso 3:6b0386fe794c 5 }
musallambseiso 3:6b0386fe794c 6
musallambseiso 3:6b0386fe794c 7 Enemy5::~Enemy5()
musallambseiso 3:6b0386fe794c 8 {
musallambseiso 4:4932cfd474c9 9 }
musallambseiso 3:6b0386fe794c 10
musallambseiso 4:4932cfd474c9 11
musallambseiso 4:4932cfd474c9 12 // Initializion method:
musallambseiso 3:6b0386fe794c 13
musallambseiso 3:6b0386fe794c 14 void Enemy5::init(int speed)
musallambseiso 3:6b0386fe794c 15 {
musallambseiso 4:4932cfd474c9 16 _x = rand() % 63 + 84; // Starting x position is randomized off screen. Creates a random ship generation.
musallambseiso 4:4932cfd474c9 17 _y = 27; // Starting y position (fixed, fifth lane)
musallambseiso 3:6b0386fe794c 18
musallambseiso 4:4932cfd474c9 19 _velocity.x = -speed; // Velocity is based on the speed, which is input when method is used.
musallambseiso 3:6b0386fe794c 20 _velocity.y = 0;
musallambseiso 3:6b0386fe794c 21 }
musallambseiso 3:6b0386fe794c 22
musallambseiso 4:4932cfd474c9 23
musallambseiso 4:4932cfd474c9 24 // Draws fifth enemy ship onto LCD:
musallambseiso 4:4932cfd474c9 25
musallambseiso 3:6b0386fe794c 26 void Enemy5::draw(N5110 &lcd)
musallambseiso 3:6b0386fe794c 27 {
musallambseiso 3:6b0386fe794c 28 lcd.drawLine(_x,_y,_x,_y+5,1);
musallambseiso 3:6b0386fe794c 29 lcd.drawLine(_x-1,_y,_x-1,_y+5,1);
musallambseiso 3:6b0386fe794c 30 lcd.drawLine(_x-2,_y+1,_x-2,_y+4,1);
musallambseiso 3:6b0386fe794c 31 lcd.drawLine(_x-3,_y+1,_x-3,_y+4,1);
musallambseiso 3:6b0386fe794c 32 lcd.drawLine(_x-4,_y+2,_x-4,_y+3,1);
musallambseiso 3:6b0386fe794c 33 }
musallambseiso 3:6b0386fe794c 34
musallambseiso 4:4932cfd474c9 35
musallambseiso 4:4932cfd474c9 36 // Updates fifth enemy ship's position:
musallambseiso 4:4932cfd474c9 37
musallambseiso 3:6b0386fe794c 38 void Enemy5::update()
musallambseiso 3:6b0386fe794c 39 {
musallambseiso 4:4932cfd474c9 40 // X and y positions depend on velocity:
musallambseiso 3:6b0386fe794c 41 _x += _velocity.x;
musallambseiso 3:6b0386fe794c 42 _y += _velocity.y;
musallambseiso 3:6b0386fe794c 43 }
musallambseiso 3:6b0386fe794c 44
musallambseiso 4:4932cfd474c9 45
musallambseiso 4:4932cfd474c9 46 // Obtains fifth enemy ship's current position:
musallambseiso 4:4932cfd474c9 47
musallambseiso 3:6b0386fe794c 48 Vector2D Enemy5::get_pos()
musallambseiso 3:6b0386fe794c 49 {
musallambseiso 3:6b0386fe794c 50 Vector2D p = {_x,_y};
musallambseiso 3:6b0386fe794c 51 return p;
musallambseiso 3:6b0386fe794c 52 }