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部分内置几何体增加BoundingBox数据计算

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This commit is contained in:
hyzboy 2025-06-17 01:17:57 +08:00
parent 585fd41966
commit 15da48eede
2 changed files with 1344 additions and 1277 deletions
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6
inc/hgl/graph/VKPrimitive.h
View File

@ -28,6 +28,12 @@ public:
Primitive(const AnsiString &pn,PrimitiveData *pd);
virtual ~Primitive();
void SetBoundingBox(const AABB &bb) { bounding_box=bb; } ///<设置包围盒
void SetBoundingBox(const Vector3f &box_min,const Vector3f &box_max)
{
bounding_box.SetMinMax(box_min,box_max);
}
public:
const AnsiString & GetName ()const{ return prim_name; }

97
src/SceneGraph/InlineGeometry.cpp
View File

@ -7,12 +7,8 @@
#include<hgl/graph/VKShaderModule.h>
#include<hgl/graph/PrimitiveCreater.h>
namespace hgl
namespace hgl::graph::inline_geometry
{
namespace graph
{
namespace inline_geometry
{
Primitive *CreateRectangle(PrimitiveCreater *pc,const RectangleCreateInfo *rci)
{
if(!pc)return(nullptr);
@ -451,7 +447,17 @@ namespace hgl
pc->WriteIBO(indices);
return pc->Create();
Primitive *p=pc->Create();
{
AABB aabb;
aabb.SetMinMax(Vector3f(-0.5f,-0.5f,0.0f),Vector3f(0.5f,0.5f,0.0f));
p->SetBoundingBox(aabb);
}
return p;
}
Primitive *CreateCube(PrimitiveCreater *pc,const CubeCreateInfo *cci)
@ -551,9 +557,13 @@ namespace hgl
}
}
//pc->CreateIBO16(6*2*3,indices);
pc->WriteIBO(indices);
return pc->Create();
Primitive *p=pc->Create();
p->SetBoundingBox(Vector3f(-0.5f,-0.5f,-0.5f),Vector3f(0.5f,0.5f,0.5f));
return p;
}
template<typename T>
@ -734,7 +744,15 @@ namespace hgl
return(nullptr);
}
return pc->Create();
Primitive *p=pc->Create();
{
AABB aabb;
aabb.SetMinMax(Vector3f(-1.0f,-1.0f,-1.0f),Vector3f(1.0f,1.0f,1.0f));
p->SetBoundingBox(aabb);
}
return p;
}
Primitive *CreateDome(PrimitiveCreater *pc,const uint numberSlices)
@ -828,7 +846,17 @@ namespace hgl
return(nullptr);
}
return pc->Create();
Primitive *p=pc->Create();
{
AABB box;
box.SetMinMax(Vector3f(-1.0f,-1.0f,-1.0f),Vector3f(1.0f,1.0f,1.0f)); //这个不对，待查
p->SetBoundingBox(box);
}
return p;
}
namespace
@ -979,7 +1007,23 @@ namespace hgl
if(index_type==IndexType::U8 )CreateTorusIndices<uint8 >(pc,tci->numberSlices,tci->numberStacks);else
return(nullptr);
}
return pc->Create();
Primitive *p=pc->Create();
{
AABB aabb;
// Calculate bounding box for the torus
float maxExtent = centerRadius + torusRadius;
float minExtent = centerRadius - torusRadius;
aabb.SetMinMax(Vector3f(-maxExtent, -maxExtent, -torusRadius),
Vector3f( maxExtent, maxExtent, torusRadius)); //也许不对，待测试
p->SetBoundingBox(aabb);
}
return p;
}
namespace
@ -1216,7 +1260,12 @@ namespace hgl
return(nullptr);
}
return pc->Create();
Primitive *p=pc->Create();
p->SetBoundingBox( Vector3f(-cci->radius,-cci->radius,-cci->halfExtend),
Vector3f( cci->radius, cci->radius, cci->halfExtend));
return p;
}
namespace
@ -1391,7 +1440,12 @@ namespace hgl
return(nullptr);
}
return pc->Create();
Primitive *p=pc->Create();
p->SetBoundingBox(Vector3f(-cci->radius,-cci->radius,-cci->halfExtend),
Vector3f( cci->radius, cci->radius, cci->halfExtend));
return p;
}
Primitive *CreateAxis(PrimitiveCreater *pc,const AxisCreateInfo *aci)
@ -1418,7 +1472,11 @@ namespace hgl
vertex->Write(0,0,0);color->Write(aci->color[2]);
vertex->Write(0,0,s);color->Write(aci->color[2]);
return pc->Create();
Primitive *p=pc->Create();
p->SetBoundingBox(Vector3f(0,0,0),Vector3f(s,s,s));
return p;
}
Primitive *CreateBoundingBox(PrimitiveCreater *pc,const BoundingBoxCreateInfo *cci)
@ -1469,8 +1527,11 @@ namespace hgl
pc->WriteIBO<uint16>(indices);
return pc->Create();
Primitive *p=pc->Create();
p->SetBoundingBox( Vector3f(-0.5,-0.5,-0.5),
Vector3f( 0.5, 0.5, 0.5));
return p;
}
}//namespace inline_geometry
}//namespace graph
}//namespace hgl
}//namespace hgl::graph::inline_geometry