无法点击SKSpriteNode - 没有触摸检测到的ios

Question

我对iOS,Objective C和使用Xcode都很陌生.我只做了一个简单的新闻类型的应用程序,但现在我想创建一个我在另一个平台上发布的游戏.

基本上,我有一个对象随机出现然后淡出,目的是点击对象使其消失.

然而,即使我设置,我似乎无法点击该对象 mySKSpriteNode.userInteractionEnabled = YES;

这是我的touchesBegan方法中的内容:

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    /* Called when a touch begins */
    NSLog(@"Something was touched");
    UITouch *touch = [touches anyObject];
    NSLog(@"%@", touch);
    CGPoint location = [touch locationInNode:self];
    SKNode *node = [self nodeAtPoint:location];
    if(node == mySKSpriteNode)
    [node runAction:[SKAction fadeOutWithDuration:0]];

}

在我的日志中,当我点击屏幕时(不是我有对象的地方),我得到了这个:

2014-02-17 23:18:30.870 BubbleChallenge[48541:70b] Something was touched
2014-02-17 23:18:30.875 BubbleChallenge[48541:70b] <UITouch: 0x1130ea530> phase: Began tap count: 1 window: <UIWindow: 0x109c2ab60; frame = (0 0; 320 568); autoresize = W+H; gestureRecognizers = <NSArray: 0x109c274d0>; layer = <UIWindowLayer: 0x109c26810>> view: <SKView: 0x109c2e5e0; frame = (0 0; 320 568); autoresize = RM+BM; layer = <CAEAGLLayer: 0x109c0e180>> location in window: {147.5, 128.5} previous location in window: {147.5, 128.5} location in view: {147.5, 128.5} previous location in view: {147.5, 128.5}

当我触摸mySKSpriteNode时,我在日志中什么也得不到,甚至没有"触及的东西";

知道为什么会发生这种情况吗？

我发现的其他问题说答案是设置userInteractionEnabled = YES....也许代码中有一个特定点我应该设置它？

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Answer 1

您是否尝试过设置namespritenode 的属性？

在初始化中mySKSpriteNode:

mySKSpriteNode = [[SKSpriteNode alloc] initWithTexture:sometexture];
mySKSpriteNode.name = @"thisIsMySprite"; // set the name for your sprite
mySKSpriteNode.userInteractionEnabled = NO; // userInteractionEnabled should be disabled

然后:

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    UITouch *touch = [touches anyObject];
    CGPoint location = [touch locationInNode:self];
    SKNode *node = [self nodeAtPoint:location];
    if ([node.name isEqualToString:@"thisIsMySprite"]) {
        NSLog(@"mySKSpriteNode was touched!");
        [node runAction:[SKAction fadeOutWithDuration:0]];
    }
}

Answer 2

您的代码基本上是正确的.只需进行一些小的改动.

您已-touchesBegan:在场景类中实现了该方法.如果要处理场景类中的触摸,则所有子节点都应将userInteractionEnabled属性设置为NO.精灵节点的userInteractionEnabled属性应该YES只在它能够处理它自己的触摸时才被设置.

因此,在您的情况下,您应该进行以下更改:

1 - 将spriteNode的userInteraction设置为NO.

mySKSpriteNode.userInteractionEnabled = NO;

2 - 更改检查自己的精灵的方式.

if([node isEqual: mySKSpriteNode])

您会发现您的代码按预期工作.