X code，iphone - 在特定的方向进行动漫形象的举动 [英] Xcode, iphone - Make image animation move in specific direction

问题描述

我创建一个动画球应在屏幕上移动。我想使它朝向屏幕的中心移动，就好像它是由中心吸引。我怎样才能做到这一点？

I'm creating an animated ball which should move across the screen. I want to make it move towards the center of the screen as if it is attracted by the center. How can I do this?

推荐答案

您可以试试这个code

You can try this code

[UIView beginAnimations:nil context:NULL]; //starting Animation

[UIView setAnimationDuration:1.0];
[UIView setAnimationRepeatCount:10];
[UIView setAnimationRrepeatAutoreverses:YES];

CGPoint position = 200.0f;
position.y = 200.0f;
position.x = 150.0f;
img.center = position;

[UIView commitAnimations];

如果是cocos2d的，您可以使用Move方法，

If it is cocos2d,You can use Move method,

id move = [CCMoveTo actionWithDuration:3 position:ccp(160,240);
[sprite runAction:move];

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