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[OK] 已证明新的Ray::ToLineSegmentDistance函数有效，测试成功。但因为没有通知RENDER LIST更新AssignBuffer所以看不出来效果。

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hyzboy
2025-07-28 13:28:05 +08:00
parent cb93ade96f
commit 6b86823755
2 changed files with 13 additions and 8 deletions
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2
CMSceneGraph

Submodule CMSceneGraph updated: fde1c85ad1...65cefb3f12

19
example/Gizmo/Gizmo3DMove.cpp
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@@ -202,21 +202,26 @@ namespace
{ {
end=TransformPosition(l2w,Vector3f(GIZMO_CYLINDER_HALF_LENGTH*20,0,0)); end=TransformPosition(l2w,Vector3f(GIZMO_CYLINDER_HALF_LENGTH*20,0,0));
cross_point=ray.ClosestPoint(start); dist=ray.ToLineSegmentDistance(start,end);
dist=length(cross_point,start); MaterialInstance *mi;
//dist=ray.ToLineSegmentDistance(start,end); if(dist<GIZMO_CYLINDER_RADIUS*10)
{
mi=GetGizmoMI3D(GizmoColor::Yellow);
}
else
{
mi=GetGizmoMI3D(GizmoColor::Red);
}
//dist=ray.ToPointDistance(start); //MaterialInstance *mi=GetGizmoMI3D(dist<GIZMO_CYLINDER_RADIUS*100?GizmoColor::Yellow:GizmoColor::Red);
MaterialInstance *mi=GetGizmoMI3D(dist<GIZMO_CYLINDER_RADIUS*100?GizmoColor::Yellow:GizmoColor::Red);
axis[size_t(AXIS::X)].cylinder->SetOverrideMaterial(mi); axis[size_t(AXIS::X)].cylinder->SetOverrideMaterial(mi);
axis[size_t(AXIS::X)].cone->SetOverrideMaterial(mi); axis[size_t(AXIS::X)].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<<"CrossPoint: "<<cross_point.x<<","<<cross_point.y<<","<<cross_point.z<<std::endl; // std::cout<<"CrossPoint: "<<cross_point.x<<","<<cross_point.y<<","<<cross_point.z<<std::endl;
std::cout<<"Ray(Ori): "<<ray.origin.x<<","<<ray.origin.y<<","<<ray.origin.z<<")"<<std::endl; std::cout<<"Ray(Ori): "<<ray.origin.x<<","<<ray.origin.y<<","<<ray.origin.z<<")"<<std::endl;
std::cout<<"Ray(Dir): "<<ray.direction.x<<","<<ray.direction.y<<","<<ray.direction.z<<")"<<std::endl; std::cout<<"Ray(Dir): "<<ray.direction.x<<","<<ray.direction.y<<","<<ray.direction.z<<")"<<std::endl;
std::cout<<"Distance: "<<dist<<std::endl; std::cout<<"Distance: "<<dist<<std::endl;