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改进Gizmo3DMove的选中判断

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hyzboy
2025-07-29 00:44:03 +08:00
parent eb4a8fba21
commit 3c611be712
3 changed files with 43 additions and 50 deletions
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2
CMSceneGraph

Submodule CMSceneGraph updated: 65cefb3f12...dc1cd8a2d4

30
example/Gizmo/Gizmo3DMove.cpp
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@@ -202,36 +202,34 @@ namespace
Matrix4f l2w=GetLocalToWorldMatrix(); Matrix4f l2w=GetLocalToWorldMatrix();
Vector3f start; Vector3f start;
Vector3f end; Vector3f end;
Vector3f p_ray,p_ls;
float dist; float dist;
float pixel_per_unit;
start=TransformPosition(l2w,Vector3f(0,0,0)); //将原点转换到世界坐标 start=TransformPosition(l2w,Vector3f(0,0,0)); //将原点转换到世界坐标
{ {
end=TransformPosition(l2w,Vector3f((GIZMO_CONE_LENGTH+GIZMO_CYLINDER_HALF_LENGTH)*20,0,0)); end=TransformPosition(l2w,Vector3f((GIZMO_CONE_LENGTH+GIZMO_CYLINDER_HALF_LENGTH)*20,0,0));
dist=ray.ToLineSegmentDistance(start,end); //求射线与线段的最近点
ray.ClosestPoint(p_ray, //射线上的点
p_ls, //线段上的点
start,end); //线段
MaterialInstance *mi; dist=glm::distance(p_ray,p_ls); //计算射线与线段的距离
if(dist<GIZMO_CYLINDER_RADIUS*10) //求p_ls坐标相对屏幕空间象素的缩放比
{ pixel_per_unit=cc->GetPixelPerUnit(p_ls);
mi=GetGizmoMI3D(GizmoColor::Yellow);
}
else
{
mi=GetGizmoMI3D(GizmoColor::Red);
}
//MaterialInstance *mi=GetGizmoMI3D(dist<GIZMO_CYLINDER_RADIUS*100?GizmoColor::Yellow:GizmoColor::Red); MaterialInstance *mi=GetGizmoMI3D(dist<GIZMO_CYLINDER_RADIUS*pixel_per_unit?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<<"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;
} }
return false; return false;

61
inc/hgl/graph/RenderList.h
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@@ -1,55 +1,50 @@
#ifndef HGL_GRAPH_RENDER_LIST_INCLUDE #pragma once
#define HGL_GRAPH_RENDER_LIST_INCLUDE
#include<hgl/graph/VK.h> #include<hgl/graph/VK.h>
#include<hgl/graph/SceneNode.h> #include<hgl/graph/SceneNode.h>
#include<hgl/graph/MaterialRenderMap.h> #include<hgl/graph/MaterialRenderMap.h>
#include<hgl/graph/VKArrayBuffer.h> #include<hgl/graph/VKArrayBuffer.h>
#include<hgl/graph/VKMaterial.h> #include<hgl/graph/VKMaterial.h>
namespace hgl namespace hgl::graph
{ {
namespace graph /**
* 渲染对象列表<br>
* 该类会长期保存使用过的材质信息，避重新分配造成的时间和空间浪费。如需彻底清空列表请使用Clear()函数
*/
class RenderList
{ {
/** protected:
* 渲染对象列表<br>
* 该类会长期保存使用过的材质信息，避重新分配造成的时间和空间浪费。如需彻底清空列表请使用Clear()函数
*/
class RenderList
{
protected:
VulkanDevice * device; VulkanDevice * device;
CameraInfo * camera_info; ///<相机信息 CameraInfo * camera_info; ///<相机信息
uint renderable_count; ///<可渲染对象数量 uint renderable_count; ///<可渲染对象数量
MaterialRenderMap mrl_map; ///<按材质分类的渲染列表 MaterialRenderMap mrl_map; ///<按材质分类的渲染列表
protected: protected:
virtual bool ExpendNode(SceneNode *); virtual bool ExpendNode(SceneNode *);
public: public:
const CameraInfo *GetCameraInfo()const{return camera_info;} const CameraInfo *GetCameraInfo()const{return camera_info;}
public: public:
RenderList(VulkanDevice *); RenderList(VulkanDevice *);
virtual ~RenderList()=default; virtual ~RenderList()=default;
virtual void SetCameraInfo(CameraInfo *ci){camera_info=ci;} ///<设置相机信息 virtual void SetCameraInfo(CameraInfo *ci){camera_info=ci;} ///<设置相机信息
virtual bool Expend(SceneNode *); ///<展开场景树到渲染列表 virtual bool Expend(SceneNode *); ///<展开场景树到渲染列表
bool IsEmpty()const{return !renderable_count;} ///<是否是空的 bool IsEmpty()const{return !renderable_count;} ///<是否是空的
virtual bool Render(RenderCmdBuffer *); ///<渲染所有对象 virtual bool Render(RenderCmdBuffer *); ///<渲染所有对象
virtual void UpdateLocalToWorld(); ///<更新所有对象的变换数据 virtual void UpdateLocalToWorld(); ///<更新所有对象的变换数据
virtual void UpdateMaterialInstance(MeshComponent *); ///<有对象互换了材质实例 virtual void UpdateMaterialInstance(MeshComponent *); ///<有对象互换了材质实例
virtual void Clear(); ///<彻底清理 virtual void Clear(); ///<彻底清理
};//class RenderList };//class RenderList
}//namespace graph }//namespace hgl::graph
}//namespace hgl
#endif//HGL_GRAPH_RENDER_LIST_INCLUDE