Bullet.h

00001 extern uLCD_4DGL uLCD;
00002 extern Mutex mutex;
00003 
00004 struct BulletLocation {
00005     int x, topY, bottomY;   
00006 };
00007 
00008 class Bullet {
00009     
00010         int x, topY, bottomY;
00011         int length;
00012         int speed;
00013         
00014         
00015     public:   
00016         Bullet();
00017         void drawBullet(int x, int bottomY);
00018         void eraseBullet();
00019         void move();   
00020         BulletLocation getLocation();         
00021 };
00022 
00023 Bullet::Bullet() {
00024     length = 3;
00025     speed = 3;
00026     x=1;
00027     topY=2;
00028     bottomY=3;
00029 }
00030 
00031 void Bullet::drawBullet(int x2, int bottomY2) {
00032     x = x2;
00033     bottomY = bottomY2;
00034     topY = bottomY + length;
00035     mutex.lock();
00036     uLCD.line(x,topY,x,bottomY, BLACK);
00037     mutex.unlock();
00038 
00039 }
00040 
00041 void Bullet::move() {
00042     Bullet::eraseBullet();
00043     bottomY -= speed;
00044     Bullet::drawBullet(x, bottomY);
00045 }
00046 
00047 void Bullet::eraseBullet() {
00048     mutex.lock();
00049     uLCD.line(x,topY,x,bottomY, BACKGROUND);
00050     mutex.unlock();
00051 
00052 }
00053 
00054 BulletLocation Bullet::getLocation() {
00055     BulletLocation coor {x, topY, bottomY};
00056     return coor;
00057 }