如何在启动应用程序时将xcode中的视图控制器重置为其状态
@interface Game ()
@end
@implementation Game
-(void)Restart{
Mx = 0;
Mx2 = 0;
My = 0;
My2 = 0;
WizX = 1;
WizY = 0;
}
-(void)MonsterMovment2{
float screen_width2;
float screen_height2;
float vers = [[[UIDevice currentDevice] systemVersion] floatValue];
UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
if (vers < 8 && UIInterfaceOrientationIsLandscape(orient))
{
screen_width2 = [[UIScreen mainScreen] bounds].size.width;
screen_height2 = [[UIScreen mainScreen] bounds].size.height;
}
else
{
screen_width2 = [[UIScreen mainScreen] bounds].size.width;
screen_height2 = [[UIScreen mainScreen] bounds].size.height;
}
Monster2.center = CGPointMake(Monster2.center.x + Mx2, Monster2.center.y + My2);
if (CGRectIntersectsRect(Monster2.frame, Wiz.frame)) {
[self GameOver];
}
if (Monster2.center.x < 10) {
Mx2 = 1;
}
if (Monster2.center.x > screen_width2) {
Mx2 = -1;
}
if (Monster2.center.y > screen_height2) {
My2 = -1;
}
if (Monster2.center.y < 10) {
My2 = 1;
}
}
-(void)MonsterMovment{
float screen_width;
float screen_height;
float vers = [[[UIDevice currentDevice] systemVersion] floatValue];
UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
if (vers < 8 && UIInterfaceOrientationIsLandscape(orient))
{
screen_width = [[UIScreen mainScreen] bounds].size.width;
screen_height = [[UIScreen mainScreen] bounds].size.height;
}
else
{
screen_width = [[UIScreen mainScreen] bounds].size.width;
screen_height = [[UIScreen mainScreen] bounds].size.height;
}
Monster.center = CGPointMake(Monster.center.x + Mx, Monster.center.y + My);
if (CGRectIntersectsRect(Monster2.frame, Monster.frame)) {
Mx = Mx;
My=My;
}
if (CGRectIntersectsRect(Monster.frame, Wiz.frame)) {
[self GameOver];
}
if (Monster.center.x < 10) {
Mx = 1;
}
if (Monster.center.x > screen_width) {
Mx = -1;
}
if (Monster.center.y > screen_height) {
My = -1;
}
if (Monster.center.y < 10) {
My = 1;
}
}
-(void)GameOver{
StartGame.hidden = YES;
[WizMovment invalidate ];
Wiz.hidden = YES;
Exit.hidden = NO;
StartGame.hidden = NO;
if (ScoreNumber > HighScoreNumber) {
[[NSUserDefaults standardUserDefaults] setInteger:ScoreNumber forKey:@"HighScoreSaved"];
HighScore.text = [NSString stringWithFormat:@"High Score: %i", ScoreNumber];
}
[self viewDidLoad];
}
-(void)Score{
ScoreNumber = ScoreNumber + 1;
ScoreLabel.text = [NSString stringWithFormat:@"Score: %i", ScoreNumber];
}
-(void)PlaceFood{
float screen_width;
float screen_height;
float vers = [[[UIDevice currentDevice] systemVersion] floatValue];
UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
if (vers < 8 && UIInterfaceOrientationIsLandscape(orient))
{
screen_height = [[UIScreen mainScreen] bounds].size.width;
screen_width = [[UIScreen mainScreen] bounds].size.height;
}
else
{
screen_width = [[UIScreen mainScreen] bounds].size.width;
screen_height = [[UIScreen mainScreen] bounds].size.height;
}
int height = (int) screen_height;
int widht = (int) screen_width;
FoodX = arc4random() %height;
FoodX = FoodX - 25;
if (25 < FoodX) {
FoodX = 25;
}
FoodY = arc4random() %widht;
FoodY = FoodY -25;
if (25 < FoodY) {
FoodY = 25;
}
Food.center = CGPointMake(FoodX, FoodY);
[Food setFrame:CGRectMake(FoodX, FoodY, Food.frame.size.width, Food.frame.size.height)];
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib
}
-(void)MoveLeft{
if (WizSideMovment == NO) {
WizX = -1;
WizY = 0;
WizSideMovment = YES;
}
}
-(void)MoveRight{
if (WizSideMovment == NO) {
WizX = 1;
WizY = 0;
WizSideMovment = YES;
}
}
-(void)MoveUp{
if (WizSideMovment == YES) {
WizX = 0;
WizY = -1;
WizSideMovment = NO;
}
}
-(void)MoveDown{
if (WizSideMovment == YES) {
WizX = 0;
WizY = 1;
WizSideMovment = NO;
}
}
-(void)WizMovment{
float screen_width;
float screen_height;
float vers = [[[UIDevice currentDevice] systemVersion] floatValue];
UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
if (vers < 8 && UIInterfaceOrientationIsLandscape(orient))
{
screen_height = [[UIScreen mainScreen] bounds].size.width;
screen_width = [[UIScreen mainScreen] bounds].size.height;
}
else
{
screen_width = [[UIScreen mainScreen] bounds].size.width;
screen_height = [[UIScreen mainScreen] bounds].size.height;
}
Wiz.center = CGPointMake(Wiz.center.x + WizX, Wiz.center.y + WizY);
if (CGRectIntersectsRect(Wiz.frame, Food.frame)) {
[self PlaceFood];
[self Score];
}
if (Wiz.center.x < 1) {
[WizMovment invalidate];
[self performSelector:@selector(GameOver) withObject:self afterDelay:0.5];
}
if (Wiz.center.x > screen_width - 25) {
[WizMovment invalidate];
[self performSelector:@selector(GameOver) withObject:self afterDelay:0.5];
}
if (Wiz.center.y > screen_height - 25) {
[WizMovment invalidate];
[self performSelector:@selector(GameOver) withObject:self afterDelay:0.5];
}
if (Wiz.center.y < 25) {
[WizMovment invalidate];
[self performSelector:@selector(GameOver) withObject:self afterDelay:0.5];
}
}
-(IBAction)Exit:(id)sender{
[self reloadInputViews];
[self Restart];
}
-(IBAction)Start:(id)sender{
int i = rand()%2+1;
NSLog(@"Random Number: %i", i);
if ( (i = 2)) {
i = -1;
}
int w = rand()%2+1;
NSLog(@"Random Number: %i", w);
if ( (w = 2)) {
w = -1;
}
int e = rand()%2+1;
NSLog(@"Random Number: %i", e);
if ( (e = 2)) {
e = -1;
}
int r = rand()%2+1;
NSLog(@"Random Number: %i", r);
if ( (r = 2)) {
r = -1;
}
Mx=i;
Mx2 =w;
My=e;
My2=r;
StartGame.hidden = YES;
Wiz.hidden= NO;
WizX = 1;
WizY = 0;
Food.hidden = NO;
WizMovment = [NSTimer scheduledTimerWithTimeInterval:0.007 target:self selector:@selector(WizMovment) userInfo:nil repeats:YES];
MonsterMovment = [NSTimer scheduledTimerWithTimeInterval:0.007 target:self selector:@selector(MonsterMovment) userInfo:nil repeats:YES];
MonsterMovment2 = [NSTimer scheduledTimerWithTimeInterval:0.007 target:self selector:@selector(MonsterMovment2) userInfo:nil repeats:YES];
[self PlaceFood];
/* int i = rand()%2+1;
NSLog(@"Random Number: %i", i);
if ( (i = 2)) {
i = -1;
}
int w = rand()%2+1;
NSLog(@"Random Number: %i", w);
if ( (w = 2)) {
w = -1;
}
int e = rand()%2+1;
NSLog(@"Random Number: %i", e);
if ( (e = 2)) {
e = -1;
}
int r = rand()%2+1;
NSLog(@"Random Number: %i", r);
if ( (r = 2)) {
r = -1;
}
Mx=i;
Mx2 =w;
My=e;
My2=r;
*/
}
- (void)viewDidLoad {
//[[UIScreen mainScreen] bounds];
Exit.hidden = YES;
HighScoreNumber = [[NSUserDefaults standardUserDefaults] integerForKey:@"HighScoreSaved"];
HighScore.text = [NSString stringWithFormat:@"High Score: %li", (long)HighScoreNumber];
[super viewDidLoad];
// Do any additional setup after loading the view.
Food.hidden = YES;
WizX = 1;
WizY = 0;
WizSideMovment = YES;
UISwipeGestureRecognizer *SwipeLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(MoveLeft)];
[SwipeLeft setDirection:UISwipeGestureRecognizerDirectionLeft];
[self.view addGestureRecognizer:SwipeLeft];
UISwipeGestureRecognizer *SwipeRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(MoveRight)];
[SwipeRight setDirection:UISwipeGestureRecognizerDirectionRight];
[self.view addGestureRecognizer:SwipeRight];
UISwipeGestureRecognizer *SwipeUp = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(MoveUp)];
[SwipeUp setDirection:UISwipeGestureRecognizerDirectionUp];
[self.view addGestureRecognizer:SwipeUp];
UISwipeGestureRecognizer *SwipeDown = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(MoveDown)];
[SwipeDown setDirection:UISwipeGestureRecognizerDirectionDown];
[self.view addGestureRecognizer:SwipeDown];
}
/ *
//在基于故事板的应用程序中，您经常需要在导航之前做一些准备工作 - （void）prepareForSegue：（UIStoryboardSegue *）segue sender：（id）sender { //使用[segue destinationViewController]获取新的视图控制器。 //将所选对象传递给新视图控制器。 } * /
@end
答案 0 :(得分：0)
只需删除它，创建新实例并再次添加。
答案 1 :(得分：0)
只需将其删除并再次从父级重新添加就会创建全新的，否则只是保留默认值并在游戏结束时重新应用它们的情况。