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[BUG]使用独立TransformTranslate3f来做偏移，此法不能用。变换后会导致矩阵变换，PICK失效。需要另做打算。

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hyzboy
2025-08-01 13:58:05 +08:00
parent 28d4d17d62
commit 64dc1c66d3
2 changed files with 17 additions and 12 deletions
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2
CMCore

Submodule CMCore updated: dd01d1919a...c37a38362c

27
example/Gizmo/Gizmo3DMove.cpp
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@@ -56,13 +56,15 @@ namespace
protected: protected:
Ray MouseRay;
int CurAXIS=-1; //当前鼠标选中轴 int CurAXIS=-1; //当前鼠标选中轴
float CurDist=0; //当前距离 float CurDist=0; //当前距离
int PickAXIS=-1; //拾取轴 int PickAXIS=-1; //拾取轴
float PickDist=0; //拾取辆距离轴心的距离 float PickDist=0; //拾取辆距离轴心的距离
TransformTranslate3f CurTranslate; TransformTranslate3f *CurTranslate=nullptr;
public: public:
@@ -214,7 +216,9 @@ namespace
PickAXIS=CurAXIS; PickAXIS=CurAXIS;
PickDist=CurDist; PickDist=CurDist;
CurTranslate.SetOffset(Vector3f(0,0,0)); //重置当前平移偏移 CurTranslate=GetTransform().AddTranslate(Vector3f(0,0,0));
return io::EventProcResult::Break; // 处理完鼠标按下事件，停止进一步处理
} }
return io::EventProcResult::Continue; return io::EventProcResult::Continue;
@@ -232,9 +236,7 @@ namespace
if(!cc) if(!cc)
return io::EventProcResult::Continue; return io::EventProcResult::Continue;
Ray ray; cc->SetMouseRay(&MouseRay,mouse_coord);
cc->SetMouseRay(&ray,mouse_coord);
Matrix4f l2w=GetLocalToWorldMatrix(); Matrix4f l2w=GetLocalToWorldMatrix();
Vector3f center=TransformPosition(l2w,Vector3f(0,0,0)); Vector3f center=TransformPosition(l2w,Vector3f(0,0,0));
@@ -260,9 +262,9 @@ namespace
end =TransformPosition(l2w,axis_vector*(GIZMO_CENTER_SPHERE_RADIUS+GIZMO_CONE_LENGTH+GIZMO_CYLINDER_HALF_LENGTH)); end =TransformPosition(l2w,axis_vector*(GIZMO_CENTER_SPHERE_RADIUS+GIZMO_CONE_LENGTH+GIZMO_CYLINDER_HALF_LENGTH));
//求射线与线段的最近点 //求射线与线段的最近点
ray.ClosestPoint(p_ray, //射线上的点 MouseRay.ClosestPoint( p_ray, //射线上的点
p_ls, //线段上的点 p_ls, //线段上的点
start,end); //线段 start,end); //线段
dist=glm::distance(p_ray,p_ls); //计算射线与线段的距离 dist=glm::distance(p_ray,p_ls); //计算射线与线段的距离
@@ -279,7 +281,10 @@ namespace
if(CurAXIS==PickAXIS) //如果当前轴与拾取轴相同 if(CurAXIS==PickAXIS) //如果当前轴与拾取轴相同
{ {
//如果当前轴与拾取轴相同，则计算平移偏移 //如果当前轴与拾取轴相同，则计算平移偏移
CurTranslate.SetOffset(axis_vector*(CurDist-PickDist)); if(CurTranslate)
{
CurTranslate->SetOffset(axis_vector*(CurDist-PickDist));
}
} }
} }
else else
@@ -291,8 +296,8 @@ namespace
axis[i].cone->SetOverrideMaterial(mi); axis[i].cone->SetOverrideMaterial(mi);
//std::cout<<"Mouse: "<<mouse_coord.x<<","<<mouse_coord.y<<std::endl; //std::cout<<"Mouse: "<<mouse_coord.x<<","<<mouse_coord.y<<std::endl;
//std::cout<<"Ray(Ori): "<<ray.origin.x<<","<<ray.origin.y<<","<<ray.origin.z<<")"<<std::endl; //std::cout<<"Ray(Ori): "<<MouseRay.origin.x<<","<<MouseRay.origin.y<<","<<MouseRay.origin.z<<")"<<std::endl;
//std::cout<<"Ray(Dir): "<<ray.direction.x<<","<<ray.direction.y<<","<<ray.direction.z<<")"<<std::endl; //std::cout<<"Ray(Dir): "<<MouseRay.direction.x<<","<<MouseRay.direction.y<<","<<MouseRay.direction.z<<")"<<std::endl;
//std::cout<<"Distance: "<<dist<<std::endl; //std::cout<<"Distance: "<<dist<<std::endl;
} }