diff --git a/inc/hgl/graph/SceneMatrix.h b/inc/hgl/graph/SceneMatrix.h new file mode 100644 index 00000000..5e76ac3a --- /dev/null +++ b/inc/hgl/graph/SceneMatrix.h @@ -0,0 +1,91 @@ +#pragma once + +#include + +namespace hgl +{ + namespace graph + { + /** + * 场景节点矩阵类
+ * + * 用于描述一个物体在3D空间中的位置、旋转、缩放等信息。
+ * 构成说明:
+ * + * + * LocalToWorldMatrix=ParnetMatrix * LocalMatrix * TransformMatrix
+ */ + class SceneMatrix :public VersionData + { + protected: + + Matrix4f parent_matrix; + Matrix4f local_matrix; + TransformManager transform_manager; + Matrix4f transform_matrix; + + Vector3f OriginWorldPosition; //原始世界坐标 + Vector3f FinalWorldPosition; //最终世界坐标 + + protected: + + Matrix4f inverse_local_to_world_matrix; ///<世界到本地矩阵 + Matrix4f inverse_transpose_local_to_world_matrix; ///<世界到本地矩阵的转置矩阵 + + void MakeNewestData(Matrix4f &local_to_world_matrix) override; ///<生成最新的数据(需要派生类重载) + + public: + + void Clear(); + + const Matrix4f &GetLocalMatrix()const{return local_matrix;} ///<取得本地矩阵 + + const Matrix4f &GetLocalToWorldMatrix(){return GetNewestVersionData();} ///<取得本地到世界矩阵 + const Matrix4f &GetInverseLocalToWorldMatrix(){UpdateNewestData();return inverse_local_to_world_matrix;} ///<取得世界到本地矩阵 + const Matrix4f &GetInverseTransposeLocalToWorldMatrix() ///<取得世界到本地矩阵的转置矩阵 + { + UpdateNewestData(); + return inverse_transpose_local_to_world_matrix; + } + + TransformManager &GetTransform(){return transform_manager;} ///<取得变换管理器 + + const Vector3f &GetWorldPosition()const{return FinalWorldPosition;} ///<取得世界坐标 + + public: + + SceneMatrix():VersionData(Identity4f){Clear();} + SceneMatrix(SceneMatrix &so); + SceneMatrix(const Matrix4f &mat):VersionData(Identity4f) + { + SetLocalMatrix(mat); + UpdateVersion(); + } + + void SetLocalMatrix(const Matrix4f &mat) + { + //if (IsNearlyEqual(local_matrix,mat)) + if(!hgl_cmp(local_matrix,mat)) + return; + + local_matrix=mat; + UpdateVersion(); + } + + void SetParentMatrix(const Matrix4f &pm) + { + //if (IsNearlyEqual(parent_matrix,pm)) + if(!hgl_cmp(parent_matrix,pm)) + return; + + parent_matrix=pm; + UpdateVersion(); + } + };//class SceneMatrix + }//namespace graph +}//namespace hgl diff --git a/inc/hgl/graph/SceneOrient.h b/inc/hgl/graph/SceneOrient.h index 4c10e851..71f48068 100644 --- a/inc/hgl/graph/SceneOrient.h +++ b/inc/hgl/graph/SceneOrient.h @@ -2,135 +2,11 @@ #define HGL_GRAPH_SCENE_ORIENT_INCLUDE #include -#include +#include namespace hgl { namespace graph { - /** - * 场景节点矩阵类
- * - * 用于描述一个物体在3D空间中的位置、旋转、缩放等信息。
- * 构成说明:
- *
    - *
  • LocalMatrix 一般用于描述当前节点相对上一级的变换矩阵
    • - *
  • LocalToWorldMatrix 最终用于描述当前节点相对于世界的变换矩阵，在渲染时使用
    • - * - *
  • transform_manager 用于管理当前节点所有的变换情况，如果本节点不存在额外变换，数量为0。
    • - *
- * - * LocalToWorldMatrix=ParnetMatrix * LocalMatrix * TraansformMatrix
- */ - class SceneMatrix :public VersionData - { - protected: - - Matrix4f parent_matrix; - Matrix4f local_matrix; - TransformManager transform_manager; - Matrix4f transform_matrix; - - Vector3f OriginWorldPosition; //原始世界坐标 - Vector3f FinalWorldPosition; //最终世界坐标 - - protected: - - Matrix4f inverse_local_to_world_matrix; ///<世界到本地矩阵 - Matrix4f inverse_transpose_local_to_world_matrix; ///<世界到本地矩阵的转置矩阵 - - void MakeNewestData(Matrix4f &local_to_world_matrix) override ///<生成最新的数据(需要派生类重载) - { - local_to_world_matrix=parent_matrix*local_matrix; - - OriginWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f); - - if(transform_manager.IsEmpty()) - { - FinalWorldPosition=OriginWorldPosition; - } - else - { - transform_manager.GetMatrix(transform_matrix,OriginWorldPosition); - - local_to_world_matrix*=transform_matrix; - - FinalWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f); - } - - inverse_local_to_world_matrix =inverse(local_to_world_matrix); - inverse_transpose_local_to_world_matrix=transpose(inverse_local_to_world_matrix); - } - - public: - - void Clear() - { - parent_matrix=Identity4f; - local_matrix=Identity4f; - transform_matrix=Identity4f; - UpdateVersion(); - } - - const Matrix4f &GetLocalMatrix()const{return local_matrix;} ///<取得本地矩阵 - - const Matrix4f &GetLocalToWorldMatrix(){return GetNewestVersionData();} ///<取得本地到世界矩阵 - const Matrix4f &GetInverseLocalToWorldMatrix(){UpdateNewestData();return inverse_local_to_world_matrix;} ///<取得世界到本地矩阵 - const Matrix4f &GetInverseTransposeLocalToWorldMatrix() ///<取得世界到本地矩阵的转置矩阵 - { - UpdateNewestData(); - return inverse_transpose_local_to_world_matrix; - } - - TransformManager &GetTransform(){return transform_manager;} ///<取得变换管理器 - - const Vector3f &GetWorldPosition()const{return FinalWorldPosition;} ///<取得世界坐标 - - public: - - SceneMatrix():VersionData(Identity4f) - { - Clear(); - } - - SceneMatrix(SceneMatrix &so):VersionData(so.GetLocalToWorldMatrix()) - { - parent_matrix=so.parent_matrix; - local_matrix=so.local_matrix; - transform_manager=so.transform_manager; - transform_matrix=so.transform_matrix; - - inverse_local_to_world_matrix=so.inverse_local_to_world_matrix; - inverse_transpose_local_to_world_matrix=so.inverse_transpose_local_to_world_matrix; - UpdateVersion(); - } - - SceneMatrix(const Matrix4f &mat):VersionData(Identity4f) - { - SetLocalMatrix(mat); - UpdateVersion(); - } - - void SetLocalMatrix(const Matrix4f &mat) - { - //if (IsNearlyEqual(local_matrix,mat)) - if(!hgl_cmp(local_matrix,mat)) - return; - - local_matrix=mat; - UpdateVersion(); - } - - void SetParentMatrix(const Matrix4f &pm) - { - //if (IsNearlyEqual(parent_matrix,pm)) - if(!hgl_cmp(parent_matrix,pm)) - return; - - parent_matrix=pm; - UpdateVersion(); - } - };//class SceneMatrix - /** * 方向定位数据基类
*/ diff --git a/src/SceneGraph/CMakeLists.txt b/src/SceneGraph/CMakeLists.txt index 13b76908..0882cd67 100644 --- a/src/SceneGraph/CMakeLists.txt +++ b/src/SceneGraph/CMakeLists.txt @@ -43,6 +43,7 @@ source_group("Light" FILES ${LIGHT_FILES}) SET(SCENE_GRAPH_HEADER ${SG_INCLUDE_PATH}/SceneInfo.h ${SG_INCLUDE_PATH}/SceneNode.h ${SG_INCLUDE_PATH}/RenderNode.h + ${SG_INCLUDE_PATH}/SceneMatrix.h ${SG_INCLUDE_PATH}/SceneOrient.h ${SG_INCLUDE_PATH}/RenderList.h ${SG_INCLUDE_PATH}/MaterialRenderList.h @@ -54,7 +55,9 @@ SET(SCENE_GRAPH_SOURCE RenderList.cpp RenderAssignBuffer.h RenderAssignBuffer.cpp SceneNode.cpp - SceneOrient.cpp) + SceneOrient.cpp + SceneMatrix.cpp +) SOURCE_GROUP("Scene Graph" FILES ${SCENE_GRAPH_HEADER} ${SCENE_GRAPH_SOURCE}) diff --git a/src/SceneGraph/SceneMatrix.cpp b/src/SceneGraph/SceneMatrix.cpp new file mode 100644 index 00000000..386e9ace --- /dev/null +++ b/src/SceneGraph/SceneMatrix.cpp @@ -0,0 +1,50 @@ +#include + +namespace hgl +{ + namespace graph + { + SceneMatrix::SceneMatrix(SceneMatrix &so):VersionData(so.GetLocalToWorldMatrix()) + { + parent_matrix=so.parent_matrix; + local_matrix=so.local_matrix; + transform_manager=so.transform_manager; + transform_matrix=so.transform_matrix; + + inverse_local_to_world_matrix=so.inverse_local_to_world_matrix; + inverse_transpose_local_to_world_matrix=so.inverse_transpose_local_to_world_matrix; + UpdateVersion(); + } + + void SceneMatrix::Clear() + { + parent_matrix=Identity4f; + local_matrix=Identity4f; + transform_matrix=Identity4f; + UpdateVersion(); + } + + void SceneMatrix::MakeNewestData(Matrix4f &local_to_world_matrix) + { + local_to_world_matrix=parent_matrix*local_matrix; + + OriginWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f); + + if(transform_manager.IsEmpty()) + { + FinalWorldPosition=OriginWorldPosition; + } + else + { + transform_manager.GetMatrix(transform_matrix,OriginWorldPosition); + + local_to_world_matrix*=transform_matrix; + + FinalWorldPosition=TransformPosition(local_to_world_matrix,ZeroVector3f); + } + + inverse_local_to_world_matrix =inverse(local_to_world_matrix); + inverse_transpose_local_to_world_matrix=transpose(inverse_local_to_world_matrix); + } + }//namespace graph +}//namespace hgl