lvfulong
113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
/**
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@file JCBoundingBox.h
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@brief
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@author James
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@version 1.0
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@date 2016_10_31
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*/
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#ifndef __JCBoundingBox_H__
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#define __JCBoundingBox_H__
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#include <vector>
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#include "Vector3.h"
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namespace laya
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{
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enum CONTAINMENT_TYPE
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{
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CT_DISJOINT = 0, //不相交
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CT_CONTAINS = 1, //全部包含
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CT_INTERSECTS = 2, //相交
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};
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/**
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* @brief
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*/
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class JCBoundingBox
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{
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public:
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/** @brief构造函数
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*/
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JCBoundingBox(const Vector3& min = { -0.5f,-0.5f,-0.5f }, const Vector3& max = { 0.5f,0.5f,0.5f });
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/** @brief 返回八个点
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* @param[out] 返回vector每个点
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* @return
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*/
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void getCorners(Vector3* kOutCorners);
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/** @brief 返回绘制线框的点数 24个点
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* @param[out] 返回24个点
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* @return
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*/
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void getDebugLinePoint(Vector3* kOutCorners);
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/** @brief析构函数
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*/
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~JCBoundingBox();
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/** @brief 两个盒子是否相交
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* @param[in] 其他盒子
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* @return
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*/
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bool intersectsWithBox(JCBoundingBox& pOther)
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{
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return (m_kMin <= pOther.m_kMax) && (m_kMax >= pOther.m_kMin);
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}
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/** @brief 是否完全在包含其中
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* @param[in] 其他盒子
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* @return
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*/
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bool isFullInside(JCBoundingBox& pOther)
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{
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return m_kMin >= pOther.m_kMin && m_kMax <= pOther.m_kMax;
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}
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bool isContain(JCBoundingBox& pOther)
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{
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return pOther.m_kMin >= m_kMin && pOther.m_kMax <= m_kMax;
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}
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Vector3 getCenter() const
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{
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return (m_kMin + m_kMax) * 0.5f;
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}
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void setCenter( const Vector3& kCenter )
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{
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Vector3 kMove = kCenter - getCenter();
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m_kMin += kMove;
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m_kMax += kMove;
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}
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/** @brief 获得size
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* @return
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*/
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Vector3 getSize()
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{
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return m_kMax - m_kMin;
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}
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Vector3 getHalfSize()
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{
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return (m_kMax - m_kMin)*0.5;
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}
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void setValues(float* value);
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public:
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Vector3 m_kMin;
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Vector3 m_kMax;
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};
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}
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#endif //__JCBoundingBox_H__
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//-----------------------------END FILE--------------------------------
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