#include?“ball.h“

Ball::Ball（?qreal?x?qreal?y?qreal?radius?QColor?ballColor?）
{
????dirX?=?1.5;
????dirY?=?-1.5;
????speed?=?2.0;
????
????shape?=?new?QRectF（?x?y?radius?radius?）;
????color?=?ballColor;
}

Ball::~Ball（）
{
????delete?shape;
}

void?Ball::setShape（?const?QRectF?&newShape?）
{
????shape->setRect（?newShape.left（）?newShape.top（）
		????newShape.width（）?newShape.height（）?）;
}



void?Ball::setDirX（?qreal?newDirX?）
{
????dirX?=?newDirX;
}

void?Ball::setDirY（?qreal?newDirY?）
{
????dirY?=?newDirY;
}

QRectF?Ball::getShape（）?const
{
????return?QRectF（?shape->left（）?shape->top（）
		??shape->width（）?shape->height（）?）;
}



void?Ball::move（）
{
????shape->setLeft（?shape->left（）?-?dirX?）;
????shape->setRight（?shape->right（）?-?dirX?）;
????shape->setTop（?shape->top（）?+?dirY?）;
????shape->setBottom（?shape->bottom（）?+?dirY?）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-08-26?13:32??dazhuankuai\
?????文件?????????851??2014-08-25?16:38??dazhuankuai\ball.cpp
?????文件?????????480??2014-08-25?16:45??dazhuankuai\ball.h
?????文件?????????615??2014-04-05?12:58??dazhuankuai\brick.cpp
?????文件?????????408??2014-08-25?16:39??dazhuankuai\brick.h
?????文件?????????501??2014-08-23?20:21??dazhuankuai\dazhuankuai.pro
?????文件???????18262??2014-08-26?12:42??dazhuankuai\dazhuankuai.pro.user
?????文件?????????639??2014-08-26?13:30??dazhuankuai\dynamicBrick.cpp
?????文件?????????405??2014-08-23?20:15??dazhuankuai\dynamicbrick.h
?????文件?????????175??2014-08-23?00:18??dazhuankuai\main.cpp
?????文件????????5068??2014-08-26?13:32??dazhuankuai\widget.cpp
?????文件????????1091??2014-08-26?12:49??dazhuankuai\widget.h
?????文件??????????78??2014-08-23?00:36??dazhuankuai\客戶要求.txt