Enemy5.cpp

00001 #include "Enemy5.h"
00002 
00003 Enemy5::Enemy5()
00004 {
00005 }
00006 
00007 Enemy5::~Enemy5()
00008 {
00009 }
00010 
00011 
00012 // Initializion method:
00013 
00014 void Enemy5::init(int speed)
00015 {
00016     _x = rand() % 63 + 84;  // Starting x position is randomized off screen. Creates a random ship generation.
00017     _y = 27;                // Starting y position (fixed, fifth lane)
00018 
00019     _velocity.x = -speed;   // Velocity is based on the speed, which is input when method is used.
00020     _velocity.y = 0;
00021 }
00022 
00023 
00024 // Draws fifth enemy ship onto LCD:
00025 
00026 void Enemy5::draw(N5110 &lcd)
00027 {
00028     lcd.drawLine(_x,_y,_x,_y+5,1);
00029     lcd.drawLine(_x-1,_y,_x-1,_y+5,1);
00030     lcd.drawLine(_x-2,_y+1,_x-2,_y+4,1);
00031     lcd.drawLine(_x-3,_y+1,_x-3,_y+4,1);
00032     lcd.drawLine(_x-4,_y+2,_x-4,_y+3,1);
00033 }
00034 
00035 
00036 // Updates fifth enemy ship's position:
00037 
00038 void Enemy5::update()
00039 {
00040     // X and y positions depend on velocity:
00041     _x += _velocity.x;
00042     _y += _velocity.y;
00043 }
00044 
00045 
00046 // Obtains fifth enemy ship's current position:
00047 
00048 Vector2D Enemy5::get_pos()
00049 {
00050     Vector2D p = {_x,_y};
00051     return p;
00052 }