Winch.cpp

00001 #include "Winch.h"
00002 
00003 // nothing doing in the constructor and destructor
00004 Winch::Winch()
00005 {
00006 
00007 }
00008 Winch::~Winch()
00009 {
00010 
00011 }
00012 
00013 //initialise the winch
00014 void Winch::init(int height,int width)
00015 {
00016     _height = height;
00017     _width = width;
00018     _y = 8;  //
00019     _x = WIDTH/2 - _width/2;  
00020     _speed_x = 1;  // default speed
00021     _highest_score = 0;  // start score from zero
00022 
00023 }
00024 
00025 //draw the winch
00026 void Winch::draw(N5110 &lcd)
00027 {
00028     // draw Winch in screen buffer. 
00029     lcd.drawRect(_x,_y,_width,_height,FILL_TRANSPARENT);
00030     lcd.drawLine(_x+1,_y,_x+1,_y+5,1); 
00031     lcd.drawLine(_x+3,_y,_x+3,_y+5,1); 
00032     lcd.drawLine(_x+5,_y,_x+5,_y+5,1); 
00033     lcd.drawLine(_x+7,_y,_x+7,_y+5,1); 
00034     lcd.drawLine(_x+9,_y,_x+9,_y+5,1); 
00035 }
00036 
00037 //update the position of the winch
00038 void Winch::update(Direction d,float mag)
00039 {
00040     _speed_x = int(mag*5.0f);  // scale is arbitrary, could be changed in future
00041     // update x value depending on direction of movement
00042     //W is left and E is right
00043     if (d == W) {
00044         _x-=_speed_x;
00045     } else if (d == E) {
00046         _x+=_speed_x;
00047     }
00048     // check the x to ensure that the Winch doesn't go off screen
00049     if (_x < 1) {
00050         _x = 1;
00051     }
00052     if (_x > WIDTH - _width - 1) {
00053         _x = WIDTH - _width - 1;
00054     }
00055 }
00056 
00057 //add highest score
00058 void Winch::add_highest_score()
00059 {
00060     _highest_score++;
00061 }
00062 
00063 //return highest score
00064 int Winch::get_highest_score()
00065 {
00066     return _highest_score;
00067 }
00068 
00069 //return position of winch
00070 Vector2D Winch::get_pos() {
00071     Vector2D p = {_x,_y};
00072     return p;    
00073 }
00074 
00075 //set the position of the winch
00076 void Winch::set_pos(Vector2D p) {
00077     _x = p.x;
00078     _y = p.y;
00079 }
00080 
00081 //return the speed of winch
00082 float Winch::get_speed() {
00083     float speed_winch=_speed_x;
00084     return speed_winch;
00085 }