新手求助,多点触摸只能获取一个点

void CGameView::ccTouchesBegan(CCSet pTouches, CCEvent pEvent)
{
int i = 0;
CCPoint location;
CCSetIterator iter = pTouches->begin();
for (; iter != pTouches->end(); iter++)
{
CCTouch
pTouch = (CCTouch
)(iter);
location = pTouch->getLocation();
touch_begin
= location.y;
i++;
}
float js=touch_begin;
float js1=touch_begin;
gold->ShowNumber(js);
diamond->ShowNumber(js1);
}
发到安卓之后为什么只能获取到一个点?touch_begin是float的数组我直接定了10,但是只有touch_begin里能获取到一个点,其它都没有
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