155 lines
2.2 KiB
C++
155 lines
2.2 KiB
C++
#pragma once
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#include "ebase.h"
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namespace e2d
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{
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class EPhysicsManager;
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class ENode;
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class EGeometry;
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class EPhysicsMsg
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{
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friend EPhysicsManager;
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public:
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enum INTERSECT_RELATION
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{
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UNKNOWN = 0, /* 关系不确定 */
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DISJOINT = 1, /* 没有交集 */
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IS_CONTAINED = 2, /* 完全被包含 */
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CONTAINS = 3, /* 完全包含 */
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OVERLAP = 4 /* 部分重叠 */
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};
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// 获取当前物理碰撞消息类型
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static INTERSECT_RELATION getMsg();
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// 获取主动方
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static EGeometry * getActiveGeometry();
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// 获取被动方
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static EGeometry * getPassiveGeometry();
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public:
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static INTERSECT_RELATION s_nRelation;
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static EGeometry * s_pActiveGeometry;
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static EGeometry * s_pPassiveGeometry;
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};
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class EGeometry :
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public EObject
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{
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friend EPhysicsManager;
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friend ENode;
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public:
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EGeometry();
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// 获取父节点
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ENode * getParentNode() const;
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protected:
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// 判断两形状的交集关系
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virtual EPhysicsMsg::INTERSECT_RELATION _intersectWith(
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EGeometry * pGeometry
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);
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// 转换形状
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virtual void _transform();
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virtual ID2D1Geometry * _getD2dGeometry() const = 0;
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protected:
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bool m_bTransformNeeded;
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ENode * m_pParentNode;
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ID2D1TransformedGeometry * m_pTransformedGeometry;
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};
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class ERectangle :
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public EGeometry
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{
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public:
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// 创建一个空矩形
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ERectangle();
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// 根据左上角坐标和宽高创建矩形
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ERectangle(
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float x,
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float y,
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float width,
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float height
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);
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// 创建一个和节点位置大小相同的矩形
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ERectangle(
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ENode * node
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);
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protected:
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void _setRect(
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float left,
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float top,
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float right,
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float bottom
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);
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virtual ID2D1RectangleGeometry * _getD2dGeometry() const override;
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protected:
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ID2D1RectangleGeometry * m_pD2dRectangle;
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};
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class ECircle :
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public EGeometry
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{
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public:
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ECircle();
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ECircle(
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EPoint center,
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float radius
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);
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protected:
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void _setCircle(
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EPoint center,
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float radius
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);
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virtual ID2D1EllipseGeometry * _getD2dGeometry() const override;
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protected:
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ID2D1EllipseGeometry * m_pD2dCircle;
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};
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class EEllipse :
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public EGeometry
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{
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public:
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EEllipse();
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EEllipse(
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EPoint center,
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float radiusX,
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float radiusY
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);
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protected:
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void _setEllipse(
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EPoint center,
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float radiusX,
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float radiusY
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);
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virtual ID2D1EllipseGeometry * _getD2dGeometry() const override;
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protected:
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ID2D1EllipseGeometry * m_pD2dEllipse;
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};
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} |