blocks|key|1990195|text|将您的可镜像节点添加为某个常规SKNode的子节点，并在此父节点上设置物理体，而不是负向缩放节点。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1990196|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Add your mirror-able node as a child of some regular SKNode and set the physics body on this parent node instead of the negatively scaled node.

blocks|key|991479|text|我不知道如何解决这个问题，但我想提出一种方法，您可以创建一个镜像的雪碧。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|991480|要实现这一点，请将sprite节点的x或y比例设置为-1。然后使用SKView方法textureFromNode：从这个镜像节点创建纹理。|offset|length|991481|然后，您可以使用此纹理创建一个新的sprite节点，该节点是镜像的，但不需要任何负缩放。|991482|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.apple.com/library/ios/documentation/SpriteKit/Reference/SKView/Reference/Reference.html#//apple_ref/occ/instm/SKView/textureFromNode%253a^0|0|15|G|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@$D|R|E|S|1|T]]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

I don't know how to fix this but I would like to suggest one way you could create a mirrored sprite.

To achieve this set the x or y scale of your sprite node to -1. Then use the SKView method <a href="https://developer.apple.com/library/ios/documentation/SpriteKit/Reference/SKView/Reference/Reference.html#//apple_ref/occ/instm/SKView/textureFromNode%3a" rel="nofollow"> textureFromNode:</a> to create a texture from this mirrored node.

You can then use this texture to create a new sprite node that is mirrored but doesn't require any negative scaling.

blocks|key|1990171|text|不要使用SKAction，只需将其直接设置为SKSpriteNode的xScale属性即可。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1990172|self.yourSprite.xScale+=+-1;|code-block|syntax|javascript|1990173|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Don't use an SKAction, just set it directly to the SKSpriteNode's xScale property.

<pre><code>self.yourSprite.xScale = -1;
</code></pre>

blocks|key|991514|text|Roecrew关于直接设置xScale属性是正确的。我建议你试试这个：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|991515|node.xScale+=+-1;
node.physicsBody+=+node.physicsBody;|code-block|syntax|javascript|991516|每次更改physicsBody属性时，都需要“重置”xScale。|991517|xScale与physicsBody的问题是SpriteKit中的一个bug，但我能够使用第二行“保留”physicsBody。|991518|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Roecrew is right about setting the xScale property directly. I would suggest you try this:

<pre><code>node.xScale = -1;
node.physicsBody = node.physicsBody;
</code></pre>

You will need to 'reset' the physicsBody each time you change the xScale property.

The xScale issue with physicsBody is a bug in SpriteKit, but I was able to 'retain' the physicsBody using the second line.

blocks|key|991550|text|我遇到的问题和你的完全一样。我花了大约两个小时才弄清楚。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|991551|就在你的physicsBody之后，scaleX，我不知道为什么，但我已经纠正了这个问题，通过这样做。|991552|walkRight+++=+[SKAction+sequence:@[resetDirection,[SKAction+runBlock:%5E{
++++++++++++[self+changePhysicsDirectionRight];
++++++++}],[SKAction+repeatActionForever:+walk]]];
walkLeft+++=+[SKAction+sequence:@[mirrorDirection,[SKAction+runBlock:%5E{
++++++++++++[self+changePhysicsDirectionLeft];
++++++++}],[SKAction+repeatActionForever:+walk]]];|code-block|syntax|javascript|991553|walkRight和walkLeft是我改变方向时的动作，而resetDirection和mirrorDirection恰恰是我用来缩放的动作|991554|因此，在我scaleXTo之后，我使用一个方法调用changePhysicsDirectionRight来重新插入我的physicBody，如|991555|-+(void)changePhysicsDirectionRight{
++++self.physicsBody+=+[SKPhysicsBody+bodyWithRectangleOfSize:CGSizeMake(self.size.width,self.size.height)];
++++self.physicsBody.categoryBitMask+=+guyCategory;
++++self.physicsBody.contactTestBitMask+=+0;
++++self.physicsBody.collisionBitMask+++=+0;
}|991556|记得重新分配你的所有类别和所有像你以前一样的东西。|991557|我希望在spritekit的专业人士能告诉我为什么.|991558|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|Y|8|@]|9|@]|A|$]]|$1|M|3|N|5|F|7|Z|8|@]|9|@]|A|$G|H]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|11|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

I'm meeting the problem exactly like yours. I spent about 2 hours to figure it out.

Just init your physicsBody after you scaleX, i dont know why but i had correct this issue by doing this way.

<pre><code>walkRight = [SKAction sequence:@[resetDirection,[SKAction runBlock:^{
 [self changePhysicsDirectionRight];
 }],[SKAction repeatActionForever: walk]]];
walkLeft = [SKAction sequence:@[mirrorDirection,[SKAction runBlock:^{
 [self changePhysicsDirectionLeft];
 }],[SKAction repeatActionForever: walk]]];
</code></pre>

walkRight and walkLeft is my action when changing direction, and resetDirection and mirrorDirection is exactly the action i used to scaleXTo:1 and scaleXTo:1

So after i scaleXTo i use a method call changePhysicsDirectionRight to re-init my physicBody like

<pre><code>- (void)changePhysicsDirectionRight{
 self.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:CGSizeMake(self.size.width,self.size.height)];
 self.physicsBody.categoryBitMask = guyCategory;
 self.physicsBody.contactTestBitMask = 0;
 self.physicsBody.collisionBitMask = 0;
}
</code></pre>

Remember to re-assign all your category and everything like you init before.

I hope someone pro at spritekit can tell me the reason why ....

I am trying to mirror my SKSpriteNode using <code>SKAction *mirrorDirection = [SKAction scaleXTo:-1 y:1 duration:0.0];</code> but every time I do, the sprite's physics body seems to get messed up and it drops off the screen. I have several objects (floors) beneath the sprite and it falls through all of them as if they are not there.

This only happens when I mirror the sprite. Anyone know how to fix this?

Update:
Reseting the physics body as one answer suggested unfortunately did not fix the problem. It appears that only the contact part of the physics body malfunctions. Gravity still has an effect as the little guy drops like a rock.

I also tried to reset by again <code>self.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:CGSizeMake(self.size.width, self.size.height)];</code>

right after the <code>self.xScale = -1;</code> but this also did not fix the issue.

SKAction scaleXTo:-1

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我试着用SKSpriteNode镜像我的SKAction *mirrorDirection  = [SKAction scaleXTo:-1 y:1 duration:0.0];，但是每次我这么做，这个精灵的物理身体就会变得一团糟，它会从屏幕上掉下来。我有几个物体(地板)在雪碧下面，它从所有的地方掉下来，好像它们不在那里一样。只有当我镜像雪碧时才会发生这种情况。有人知道怎么解决这个问题吗？更新:不

问SKAction scaleXTo:-1
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回答 5

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