1: void CCNode::addChild(CCNode *child)
2: {
3: CCAssert( child != NULL,"Argument must be non-nil");
4: this->addChild(child,child->m_nZOrder,child->m_nTag);
5: }
6:
7:
8: void CCNode::addChild(CCNode *child,int zOrder)
9: {
10: CCAssert( child != NULL,monospace; width: 100%; border-bottom-style: none; color: black; padding-bottom: 0px; direction: ltr; text-align: left; padding-top: 0px; border-right-style: none; padding-left: 0px; margin: 0em; border-left-style: none; line-height: 16pt; padding-right: 0px; background-color: white"> 11: this->addChild(child,zOrder,monospace; width: 100%; border-bottom-style: none; color: black; padding-bottom: 0px; direction: ltr; text-align: left; padding-top: 0px; border-right-style: none; padding-left: 0px; margin: 0em; border-left-style: none; line-height: 16pt; padding-right: 0px; background-color: #f4f4f4"> 12: }
13:
14:
15: void CCNode::addChild(CCNode *child,int zOrder,int tag)
16: {
17: //判断参数是否合法
18: CCAssert( child != NULL,monospace; width: 100%; border-bottom-style: none; color: black; padding-bottom: 0px; direction: ltr; text-align: left; padding-top: 0px; border-right-style: none; padding-left: 0px; margin: 0em; border-left-style: none; line-height: 16pt; padding-right: 0px; background-color: white"> 19: CCAssert( child->m_pParent == NULL,"child already added. It can't be added again");
20:
21: // 一个节点的父节点指针是CCNode*,其子节点保存在CCArray数组中,其本质也是CCObject
22: // CCArray *m_pChildren; ///< array of children nodes
23: // CCNode *m_pParent; ///< weak reference to parent node
24:
25: if( ! m_pChildren )
26: { //子节点数组不存在,申请空间
27: this->childrenAlloc();
28: // void CCNode::childrenAlloc(void)
29: // {
30: // m_pChildren = CCArray::createWithCapacity(4); //create的时候调用了autorelease()
31: // m_pChildren->retain(); //引用计数加一,防止被释放掉
32: // }
33: }
34: //插入子节点指针
35: this->insertChild(child,zOrder);
36:
37: // int m_nTag; ///< a tag. Can be any number you assigned just to identify this node
38: // 一个标记,可以是任意一个整数,你应该分配一个合理的值给这个节点
39: child->m_nTag = tag; //设置Child的tag,可以是任意数
40:
41: child->setParent(this); //设置父节点为当前调用addChild函数的节点
42: child->setOrderOfArrival(s_globalOrderOfArrival++);
43:
44: if( m_bRunning )
45: {
46: child->onEnter();
47: child->onEnterTransitionDidFinish();
48: }
49: }