4

Ball1.cpp

Committer:
fy14ta
Date:
2017-05-04
Revision:
5:381cd0ea08aa

File content as of revision 5:381cd0ea08aa:

#include "Ball1.h"

Ball1::Ball1()
{

}

Ball1::~Ball1()
{

}

void Ball1::init(int size,int speed)
{

    _size = size;

    _x = WIDTH/2 -  _size/2;
    _y = HEIGHT/2 - _size/2;
    


        _velocity.x = speed;
        _velocity.y = speed; }


void Ball1::draw(N5110 &lcd)
{
    lcd.drawRect(_x,_y,_size,_size,FILL_BLACK);
}



void Ball1::update(Direction d,float mag)
{

    
    
    
        _velocity.x = int(mag*1.0f); 
                _velocity.y = int(mag*1.0f);  // scale is arbitrary, could be changed in future

    // update y value depending on direction of movement
    // North is decrement as origin is at the top-left so decreasing moves up
    if (d == N) {
        _y+=_velocity.y;
    } else if (d == S) {
        _y+=_velocity.y;
        }

    if (d == W) {
        _x+=_velocity.x;
    } else if (d == E) {
        _x+=_velocity.x;
        }
        
        
    

}



void Ball1::set_velocity(Vector2D v)
{
    _velocity.x = v.x;
    _velocity.y = v.y;
}

Vector2D Ball1::get_velocity()
{
    Vector2D v = {_velocity.x,_velocity.y};
    return v;
}

Vector2D Ball1::get_pos()
{
    Vector2D p = {_x,_y};
    return p;
}

void Ball1::set_pos(Vector2D p)
{
    _x = p.x;
    _y = p.y;
}


void Ball1::set_size(int size)
{
    _size = size;
}