我已经努力尝试解决问题有一个小时了。
我将绘制正在发生的事情。
char trap = 'Q';
char character = 'L';
....
.Q..
..L.
....
当L向上移动并且Q向右移动时,它们会相撞并且程序结束。但是:
....
.QL.
....
....
当L向左移动而Q向右移动时,它们并不像上面的例子一样发生碰撞,实际上发生的情况是:
....
..Q.
....
....
这是我的代码。抱歉我的英语不太好 :(
测试移动是否为'w','a','s'或'd':
void cave::move(int& x, int& y, char m, char unit)
{
if ( m == 'W' || m == 'w' ) // if moves up
{
floor[x][y] = tile;
x -= 1;
for ( unsigned short int x = 0; x < 3; x++ )
{
if ( floor[x][y] == wall && floor[x][y] == trap[x] )
{
x += 1;
trapsMove();
}
}
floor[x][y] = unit;
}
else if ( m == 'A' || m == 'a' ) // if moves to left
{
floor[x][y] = tile;
y -= 1;
for ( unsigned short int x = 0; x < 3; x++ )
{
if ( floor[x][y] == wall && floor[x][y] == trap [x] )
{
y += 1;
trapsMove();
}
}
floor[x][y] = unit;
}
else if ( m == 'S' || m == 's' ) // if moves down
{
floor[x][y] = tile;
x += 1;
for ( unsigned short int x = 0; x < 3; x++ )
{
if ( floor[x][y] == wall && floor[x][y] == trap[x] )
{
x -= 1;
trapsMove();
}
}
floor[x][y] = unit;
}
else if ( m == 'D' || m == 'd' ) // if moves to right
{
floor[x][y] = tile;
y += 1;
for ( unsigned short int x = 0; x < 3; x++ )
{
if ( floor[x][y] == wall && floor[x][y] == trapx] )
{
y -= 1;
trapsMove();
}
}
floor[x][y] = unit;
}
else
control();
return;
}
AI移动函数
void cave::trapsMove()
{
int r[3]; // each index will hold the movement of traps
for ( unsigned short int x = 0; x < 3; x++ )
{
r[x] = rand() % 4 + 1;
if ( r[x] == 1 ) // moves up
move(traps_positionX[x],traps_positionY[x],'w',trap[x]);
else if ( r[x] == 2 ) // moves to left
move(traps_positionX[x],traps_positionY[x],'a',trap[x]);
else if ( r[x] == 3 ) // moves down
move(traps_positionX[x],traps_positionY[x],'s',trap[x]);
else if ( r[x] == 4 ) // moves to right
move(traps_positionX[x],traps_positionY[x],'d',trap[x]);
}
return;
}
检查是否发生碰撞
bool cave::collision()
{
for ( unsigned short int x = 0; x < 3; x++ )
{
if ( floor[character_positionX][character_positionY] == trap[x] )
return true;
}
return false;
}