File content as of revision 1:3916f272663e:

#include "GameEngine.h"


GameEngine::GameEngine()
{

}

GameEngine::~GameEngine()
{

}

void GameEngine::init(int CrossHairsSpeed, int fps)
{
    // initialise the game parameters
    _fps = fps;
    _levelNumber = 100;
    _money = 0;
    
    
    
    _crossHairs.init(CrossHairsSpeed);
    
    
    
    
    srand(time(NULL));
    
    _enemies = _level.init(_levelNumber);
    


    
    
    
    
}

void GameEngine::read_input(Gamepad &pad)
{
    _angle = pad.get_angle();
    _mag = pad.get_mag();
}

void GameEngine::draw(N5110 &lcd)
{
    //draw wall
    lcd.drawRect(0,28,10,20,FILL_TRANSPARENT);
    lcd.drawLine(0,28,10,0,1);  //back top of wall
    lcd.drawLine(10,0,20,0,1);  //side of wall
    lcd.drawLine(10,28,20,0,1); //front top of wall
    lcd.drawLine(10,48,20,20,1); //front bottom of wall
    lcd.drawLine(20,20,20,0,1); //front side of wall
    
    
    
    // draw the elements in the LCD buffer
    /*
    _enemy.draw(lcd);
    _enemy2.draw(lcd);
    */
    _crossHairs.draw(lcd);
    
    
    
    
    for (int i=0; i < _levelNumber; i++) {
        _enemies[i].draw(lcd);
    }
    
 
}

void GameEngine::update(Gamepad &pad)
{
    _level.update(_fps);
    _crossHairs.update(_angle,_mag, _fps);
    /*
    _enemy.update();
    _enemy2.update();
    */
    
    
    for (int i=0; i < _levelNumber; i++) {
        _enemies[i].update();
    }
    
    if ( pad.check_event(Gamepad::B_PRESSED) == true) {
        fireShot(pad);
    }
    
        
    
}

void GameEngine::fireShot(Gamepad &gpad)
{
    Vector2D shotLoc = _crossHairs.get_pos();
    for(int i = 0; i < _levelNumber; i++) {
        Vector2D enemyLoc = _enemies[i].get_pos();
        
        if (abs(enemyLoc.x - shotLoc.x) < 4) {
            if (abs(enemyLoc.y - shotLoc.y) < 4) {
                _enemies[i].set_alive(false);
            }
        }
    }
}