cocos2d-x 的节点操作涉及到以下几点
1. 节点之间的关系
2. 节点的添加操作
3. 节点的删除操作
4. 节点的查找操作
5. 节点的替换操作
6. 节点属性操作
0. 节点操作相关参数
/** 当前节点的Z轴顺序 **/
private int m_nZOrder = 0;
/** 当前节点的子节点 **/
private Vector m_vChildren = new Vector();
/** 当前节点的父节点 **/
private CCNode m_Parent;
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1. 节点之间的关系
2. 节点的添加操作
/**
* addChild(给当前节点添加子节点)
* @Title: addChild
* @Description:
* 1. 如果节点为null或者已经有父节点的话则退出
* 2. 节点的插入采用插入排序的算法
* @param _node : 子节点
* @param _zOrder : z轴序列
* @param tag : 标识符
* @return void 返回类型
*/
public void addChild(CCNode _node,int _zOrder,int tag)
public void addChild(CCNode _node,int _zOrder)
public void addChild(CCNode _node)
在添加节点的时候,为了保证添加的zOrder序列都在对应的位置,我们在每次添加节点的时候,都进行一次排序
/**
* sortChildrens(排序所有节点)
* @Title: sortChildrens
* @Description: TODO
*/
public void insertSortChildrens(CCNode node)
{
int len = m_vChildren.size();
if(len == 0)
{
m_vChildren.addElement(node);
return;
} //倒插排序法
for(int i = len-1;i >= 0;i--)
{
if(node.getZOrder() >= ((CCNode)m_vChildren.elementAt(i)).getZOrder())
{
m_vChildren.insertElementAt(node, i+1);
return;
}
}
}
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.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
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3. 节点的删除操作
* public void removeChild(CCNode node,boolean cleanup)
* public void removeChild(CCNode node)
* public void removeFromParentAndCleanup(boolean cleanup)
* public void removeFromParent()
* public void removeAllChildrenWithCleanup(boolean cleanup)
* public void removeChildByTag(int tag,boolean cleanup)
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.csharpcode .rem { color: #008000; }
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.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
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4. 节点的查找操作
* public CCNode getChildByTag(int tag)
* public CCNode getChildIndex(int index)
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.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
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.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
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5. 节点的替换操作
/**
*
* reorderChild(重新排序当前节点的Z轴序列)
* @Title: reorderChild
* @Description: TODO
* @param node : 当前节点
* @param zOrder : Z轴序列
* @return void 返回类型
*/
public void reorderChild(CCNode node,int zOrder)
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.csharpcode .rem { color: #008000; }
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.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
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6. 节点属性操作
* public Vector getChildren()
* public int getChildrenCount()
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7
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.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
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.csharpcode .lnum { color: #606060; }