开发的游戏中,需要子视图从位置(x, y)沿着抛物线滑到位置(width-x, y),应该怎么实现?
下面是代码的摘录:
- (void)ccTouchEnded:(UITouch *)touch withEvent:(UIEvent *)event
{
CGSize screenSize = [[CCDirector sharedDirector] winSize];
if(!self.anim.flipY){
self.anim.position = ccp(screenSize.width - self.anim.position.x, self.anim.position.y);
self.anim.flipY = true;
}
else{
self.anim.position = ccp(screenSize.width - self.anim.position.x, self.anim.position.y);
self.anim.flipY = false;
}
}