Bullet.cpp

00001 #include "Bullet.h"
00002 
00003 
00004 void Bullet::init(int x,int size,int speed,int height)
00005 {
00006     _size = size;
00007 
00008     _x = 24;
00009     _y = 28;
00010     
00011     srand(time(NULL));
00012     int direction = rand() % 2; // randomise initial direction. 
00013 
00014     // 4 possibilities. Get random modulo and set velocities accordingly
00015     if (direction == 0) {
00016         _velocity.x = speed;
00017         _velocity.y = -speed;
00018     } else if (direction == 1) {
00019         _velocity.x = -speed;
00020         _velocity.y = -speed;
00021     } 
00022 }
00023 
00024 void Bullet::draw(N5110 &lcd)
00025 {
00026     lcd.drawRect(_x,_y,_size,_size,FILL_BLACK);
00027   /*  if((_y >= 0)&&(_y <= 24))
00028     {
00029        X=_x;
00030        Y=_y;   
00031          
00032     }
00033    lcd.clearPixel(_x,_y);*/
00034 }
00035 
00036 void Bullet::update(N5110 &lcd)
00037 {
00038     _x += _velocity.x;
00039     _y += _velocity.y;
00040   /*  if(( _y >= 0)&&( _y <= 24))
00041     {
00042       
00043       // lcd.clearPixel(_x,_y-1);
00044       X=_x;
00045       Y=_y;   
00046     }
00047      lcd.clearPixel(X,Y-1);*/
00048 }
00049 
00050 void Bullet::set_velocity(Vector2D v)
00051 {
00052     _velocity.x = v.x;
00053     _velocity.y = v.y;
00054 }
00055 
00056 Vector2D Bullet::get_velocity()
00057 {
00058     Vector2D v = {_velocity.x,_velocity.y};
00059     return v;
00060 }
00061 
00062 Vector2D Bullet::get_pos()
00063 {
00064     Vector2D p = {_x,_y};
00065     return p;
00066 }
00067 
00068 void Bullet::set_pos(Vector2D p)
00069 {
00070     _x = p.x;
00071     _y = p.y;
00072 }