50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#include<hgl/graph/SceneOrient.h>
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namespace hgl
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{
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namespace graph
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{
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SceneOrient::SceneOrient()
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{
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LocalMatrix =Matrix4f(1.0f);
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LocalToWorldMatrix =Matrix4f(1.0f);
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InverseLocalMatrix =Matrix4f(1.0f);
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InverseLocalToWorldMatrix =Matrix4f(1.0f);
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}
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SceneOrient::SceneOrient(const Matrix4f &mat)
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{
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SetLocalMatrix(mat);
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LocalToWorldMatrix =Matrix4f(1.0f);
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InverseLocalToWorldMatrix =Matrix4f(1.0f);
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}
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Matrix4f &SceneOrient::SetLocalMatrix(const Matrix4f &m)
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{
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LocalMatrix=m;
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InverseLocalMatrix=inverse(LocalMatrix);
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return LocalMatrix;
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}
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Matrix4f &SceneOrient::SetLocalToWorldMatrix(const Matrix4f &m)
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{
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LocalToWorldMatrix=m;
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InverseLocalToWorldMatrix=inverse(LocalToWorldMatrix);
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return LocalToWorldMatrix;
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}
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/**
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* 刷新世界矩阵
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* @param m 上一级local to world矩阵
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*/
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void SceneOrient::RefreshLocalToWorldMatrix(const Matrix4f *m)
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{
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SetLocalToWorldMatrix((*m)*LocalMatrix);
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}
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}//namespace graph
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}//namespace hgl
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