bool Widget::isGameOver()
{
for (int i=0;i < 4;i++)
{
for (int j = 0;j <3;j++)
{
if (array[i][j] == array[i][j+1] || array[i][j] == 0)
{
return false;
}
}
if (array [i][3] == 0)
return false;
}
for (int i = 0;i < 3;i++)
{
for (int j = 0;j < 4;j++)
{
if (array[i][j] == array[i+1][j])
{
return false;
}
}
}
QMessageBox::information(this,"game over","游戏结束!!");
rebegin();
return true;
}
void roadItem::rebegin()
{
disconnect(animation, SIGNAL(finished()), this, SLOT(rebegin()));//取消关联
animation->setDuration(ROAD_TIME * 2);//设置和道路2一样的移动方式
animation->setStartValue(QPoint(pos().x() + WIDTH * 2 - 7, pos().y()));
animation->setEndValue(pos());
animation->setLoopCount(-1);//设置无限循环
animation->start();
}
void roadItem::beginMove()
{
animation = new QPropertyAnimation(this, "pos");
if (id == 1)
{
animation->setDuration(ROAD_TIME);//道路1和道路2的初试位置相差一个视图的宽度,所以移动时间和距离不同
animation->setStartValue(pos());
animation->setEndValue(QPoint(pos().x()-WIDTH, pos().y()));
animation->start();
connect(animation, SIGNAL(finished()), this, SLOT(rebegin()));//第一次动画结束后重新定位和动画
}
else
{
animation->setDuration(ROAD_TIME * 2);
animation->setStartValue(QPoint(pos().x() - 2, pos().y()));
animation->setEndValue(QPoint(pos().x() - WIDTH * 2, pos().y()));
animation->setLoopCount(-1);//道路2直接设置无限循环
animation->start();
}
}
void Widget::keyPressEvent(QKeyEvent *event)
{
// check whether game over
if (isGameOver()){
return ; }
// check is it can be done
memcpy(&arrayprey[0][0],&array[0][0],sizeof(array));
//
switch (event->key()) {
case Qt::Key_A:
{
QMessageBox msgbox;
msgbox.setWindowTitle("~~菜单~~");
msgbox.setText("~~菜单~~ \nyes 重新开始 \n no是回到游戏");
msgbox.setStandardButtons(QMessageBox::Yes);
msgbox.addButton(QMessageBox::No);
if(msgbox.exec() == QMessageBox::Yes)
{
rebegin();
isok = true;
break;
}
else{
isok = true;
}
break;
}
case Qt::Key_Left:
qDebug("Key_Left");
for (int i = 0; i < 4; i++)
{
int j, k, key = 0;
// move
for (j = 0; j < 4; j++)
{
if (array[i][j] == 0)
continue;
array[i][key++] = array[i][j];
}
// add
for (j = 0, k = 0; j < key-1; j++, k++)
{
if (array[i][j] == array[i][j+1])
{
array[i][k] = array[i][j] * 2;
score += array[i][k];
j++;
}
else
array[i][k] = array[i][j];
}
if (j == key - 1)
array[i][k++] = array[i][j];
// clear others
for (j = k; j < 4; j++)
array[i][j] = 0;
}
break;
case Qt::Key_Right:
qDebug("Key_Right");
for (int i = 0; i < 4; i++)
{
int j, k, key = 0;
// move
for (j = 4-1; j >= 0; j--)
{
if (array[i][j] == 0)
continue;
array[i][4-1-key++] = array[i][j];
}
// add
for (j = 4-1, k = 4-1; j > 4-key; j--, k--)
{
if (array[i][j] == array[i][j-1])
{
array[i][k] = array[i][j] * 2;
score += array[i][k];
j--;
}
else
array[i][k] = array[i][j];
}
if (j == 4-key)
array[i][k--] = array[i][j];
// clear others
for (j = k; j >= 0; j--)
array[i][j] = 0;
}
break;
case Qt::Key_Up:
qDebug("Key_Up");
for (int j = 0; j < 4; j++)
{
int i, k, key = 0;
// move
for (i = 0; i < 4; i++)
{
if (array[i][j] == 0)
continue;
array[key++][j] = array[i][j];
}
// add
for (i = 0, k = 0; i < key-1; i++, k++)
{
if (array[i][j] == array[i+1][j])
{
array[k][j] = array[i][j] * 2;
score += array[k][j];
i++;
}
else
array[k][j] = array[i][j];
}
if (i == key - 1)
array[k++][j] = array[i][j];
// clear others
for (i = k; i < 4; i++)
array[i][j] = 0;
}
break;
case Qt::Key_Down:
qDebug("Key_Down");
for (int j = 0; j < 4; j++)
{
int i, k, key = 0;
// move
for (i = 4-1; i >= 0; i--)
{
if (array[i][j] == 0)
continue;
array[4-1-key++][j] = array[i][j];
}
// add
for (i = 4-1, k = 4-1; i > 4-key; i--, k--)
{
if (array[i][j] == array[i-1][j])
{
array[k][j] = array[i][j] * 2;
score += array[k][j];
i--;
}
else
array[k][j] = array[i][j];
}
if (i == 4-key)
array[k--][j] = array[i][j];
// clear others
for (i = k; i >= 0; i--)
array[i][j] = 0;
}
break;
default:
break;
}
// if the array is game as prev,the down is not ok
if(memcmp(&arrayprey[0][0],&array[0][0],sizeof(array)) == 0)
{
return ;
}
else{
qDebug("score:%d",score);
}
// give a new rand number
if(!isok){
qsrand (QTime(0,0,0).secsTo(QTime::currentTime()));
int i,j;
do{
i = qrand() % 4 ;
j =qrand() % 4;
}while(array[i][j] != 0 );
array[i][j] = (qrand() % 2 +1 ) * 2;
update(); // repaint the widget
}
isok = false;
}
