cocos2d 3.x CCButton设置精灵帧图像失真和回调/块不工作 [英] cocos2d 3.x CCButton set the sprite frame image distorted and callback/block not working

问题描述

我需要设置一个按钮的精灵帧。

I need to set the sprite frame of a button.

当我使用构造函数时，它的工作原理：

When I use the constructor it's working:

    CCSprite *sprite = [CCSprite spriteWithImageNamed:@"but.png"];
    CCButton *button = [CCButton buttonWithTitle:@"" spriteFrame:sprite.spriteFrame];
    [button setBlock:^(id sender){...}]

但是当我需要设置

    CCButton *button = [CCButton buttonWithTitle:@""];
    button.background.spriteFrame = sprite.spriteFrame;

或此

    [button setBackgroundSpriteFrame:sprite.spriteFrame forState:CCControlStateNormal];

都不工作，结果是扭曲的图像，回调函数或块不被调用。

both are not working, the result is a distorted image, and the callback function or block is not called.

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推荐答案

您好，我有同样的问题，并找到一个解决方案。只要这样做：

Hi there I had the same problem and found a solution. Just do it like this:

CCSpriteFrame *spriteFrame = [CCSpriteFrame frameWithImageNamed:@"Icon-Small.png"];
button = [CCButton buttonWithTitle:@"" spriteFrame:spriteFrame];

就像一个魅力！

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