Simple pong game (SDL) - paddle.cpp

//Simple pong game - paddle.cpp
//created by thecplusplusguy
//     http://www.youtube.com/user/thecplusplusguy
#include "paddle.h"

paddle::paddle(SDL_Surface* img,int x,int y,int w,int h,int yVel)
{
    box.x=x;
    box.y=y;
    box.w=w;
    box.h=h;
    image=img;
    yvel=yVel;
    point=0;
}

paddle::~paddle()
{
    SDL_FreeSurface(image);
}

void paddle::moveUp()
{
    if(box.y>0)
        box.y-=yvel;
}

void paddle::moveDown()
{
    if(box.y+box.h<SDL_GetVideoSurface()->clip_rect.h)
        box.y+=yvel;
}

void paddle::show()
{
    SDL_BlitSurface(image,NULL,SDL_GetVideoSurface(),&box);
}

SDL_Rect* paddle::getRect()
{
    return &box;
}

void paddle::incpoint()
{
    point++;
}

void paddle::setBack(int x,int y,int w,int h,int yVel)
{
    box.x=x;
    box.y=y;
    box.w=w;
    box.h=h;
    yvel=yVel;
}

int paddle::getPoints()
{
    return point;
}