增加CreateRenderableSphere
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1f0c49f363
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@ -27,7 +27,7 @@ private:
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vulkan::Material * material =nullptr;
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vulkan::DescriptorSets * descriptor_sets =nullptr;
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vulkan::Renderable * ro_cube =nullptr;
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vulkan::Renderable * renderable_object =nullptr;
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vulkan::Pipeline * pipeline_line =nullptr;
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@ -58,9 +58,10 @@ private:
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void CreateRenderObject()
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{
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struct CubeCreateInfo cci;
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//struct CubeCreateInfo cci;
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ro_cube=CreateCube(db,material,&cci);
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//renderable_object=CreateCube(db,material,&cci);
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renderable_object=CreateRenderableSphere(db,material,16);
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}
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bool InitUBO()
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@ -74,8 +75,6 @@ private:
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bool InitPipeline()
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{
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constexpr os_char PIPELINE_FILENAME[]=OS_TEXT("2DSolid.pipeline");
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{
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vulkan::PipelineCreater *pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetRenderPass(),device->GetExtent());
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pipeline_creater->SetDepthTest(true);
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@ -103,7 +102,7 @@ private:
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uint count;
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float size;
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RenderableInstance *ri=db->CreateRenderableInstance(pipeline_line,descriptor_sets,ro_cube);
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RenderableInstance *ri=db->CreateRenderableInstance(pipeline_line,descriptor_sets,renderable_object);
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for(uint i=0;i<360;i++)
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{
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@ -76,18 +76,11 @@ namespace hgl
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* 创建一个中心坐标为0,0,0，长宽高为1的立方体
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*/
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vulkan::Renderable *CreateCube(SceneDB *db,vulkan::Material *mtl,const CubeCreateInfo *cci);
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struct BoundingBoxCreateInfo
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{
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AABB bounding_box;
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};//
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/**
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* 创建一个空心立方体，使用绑定盒的真实坐标
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* 创建一个球心坐标为0,0,0，半径为1的球体
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*/
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vulkan::Renderable *CreateBoundingBox(SceneDB *db,vulkan::Material *mtl,const BoundingBoxCreateInfo *bbci);
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//vulkan::Renderable *CreateSphere(SceneDB *db,vulkan::Material *mtl,const uint );
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vulkan::Renderable *CreateRenderableSphere(SceneDB *db,vulkan::Material *mtl,const uint numberSlices);
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}//namespace graph
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};//namespace hgl
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#endif//HGL_GRAPH_INLINE_GEOMETRY_INCLUDE
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@ -79,10 +79,6 @@ namespace hgl
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*/
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void End()
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{
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//ChangeVertexBuffer( ((char *)start )-((char *)mem_type),
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// ((char *)access)-((char *)start),
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// start);
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access=nullptr;
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start=nullptr;
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}
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@ -372,35 +372,192 @@ namespace hgl
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db->Add(render_obj);
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return(render_obj);
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}
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vulkan::Renderable *CreateBoundingBox(SceneDB *db,vulkan::Material *mtl,const BoundingBoxCreateInfo *bbci)
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template<typename T> vulkan::IndexBuffer *CreateSphereIndices(vulkan::IndexBuffer *ibo,uint numberParallels,const uint numberSlices)
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{
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vec side[24];
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T *tp=(T *)ibo->Map();
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bbci->bounding_box.ToEdgeList(side);
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for (uint i = 0; i < numberParallels; i++)
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{
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for (uint j = 0; j < numberSlices; j++)
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{
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*tp= i * (numberSlices + 1) + j; ++tp;
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*tp=(i + 1) * (numberSlices + 1) + j; ++tp;
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*tp=(i + 1) * (numberSlices + 1) + (j + 1); ++tp;
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*tp= i * (numberSlices + 1) + j; ++tp;
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*tp=(i + 1) * (numberSlices + 1) + (j + 1); ++tp;
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*tp= i * (numberSlices + 1) + (j + 1); ++tp;
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}
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}
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ibo->Unmap();
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return ibo;
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}
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namespace
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{
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void glusQuaternionRotateRyf(float quaternion[4], const float angle)
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{
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float halfAngleRadian = hgl_ang2rad(angle) * 0.5f;
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quaternion[0] = 0.0f;
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quaternion[1] = sinf(halfAngleRadian);
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quaternion[2] = 0.0f;
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quaternion[3] = cosf(halfAngleRadian);
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}
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void glusQuaternionGetMatrix4x4f(float matrix[16], const float quaternion[4])
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{
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float x = quaternion[0];
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float y = quaternion[1];
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float z = quaternion[2];
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float w = quaternion[3];
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matrix[0] = 1.0f - 2.0f * y * y - 2.0f * z * z;
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matrix[1] = 2.0f * x * y + 2.0f * w * z;
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matrix[2] = 2.0f * x * z - 2.0f * w * y;
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matrix[3] = 0.0f;
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matrix[4] = 2.0f * x * y - 2.0f * w * z;
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matrix[5] = 1.0f - 2.0f * x * x - 2.0f * z * z;
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matrix[6] = 2.0f * y * z + 2.0f * w * x;
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matrix[7] = 0.0f;
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matrix[8] = 2.0f * x * z + 2.0f * w * y;
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matrix[9] = 2.0f * y * z - 2.0f * w * x;
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matrix[10] = 1.0f - 2.0f * x * x - 2.0f * y * y;
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matrix[11] = 0.0f;
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matrix[12] = 0.0f;
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matrix[13] = 0.0f;
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matrix[14] = 0.0f;
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matrix[15] = 1.0f;
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}
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void glusMatrix4x4MultiplyVector3f(float result[3], const float matrix[16], const float vector[3])
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{
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int i;
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float temp[3];
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for (i = 0; i < 3; i++)
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{
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temp[i] = matrix[i] * vector[0] + matrix[4 + i] * vector[1] + matrix[8 + i] * vector[2];
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}
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for (i = 0; i < 3; i++)
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{
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result[i] = temp[i];
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}
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}
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}
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/**
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* 创建一个球体的可渲染数据,球心为0,0,0，半径为1
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* @param numberSlices 切片数
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* @return 可渲染数据
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*/
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vulkan::Renderable *CreateRenderableSphere(SceneDB *db,vulkan::Material *mtl,const uint numberSlices)
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{
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const vulkan::VertexShaderModule *vsm=mtl->GetVertexShaderModule();
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vulkan::Renderable *render_obj=nullptr;
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const int vertex_binding=vsm->GetStageInputBinding("Vertex");
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if(vertex_binding==-1)
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return(nullptr);
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uint numberParallels = (numberSlices+1) / 2;
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uint numberVertices = (numberParallels + 1) * (numberSlices + 1);
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uint numberIndices = numberParallels * numberSlices * 6;
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const double angleStep = double(2.0f * HGL_PI) / ((double) numberSlices);
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// used later to help us calculating tangents vectors
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float helpVector[3] = { 1.0f, 0.0f, 0.0f };
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float helpQuaternion[4];
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float helpMatrix[16];
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float tex_x;
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VB3f *vertex =new VB3f(numberVertices);
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VB3f *normal =nullptr;
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VB3f *tangent =nullptr;
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VB2f *tex_coord =nullptr;
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render_obj=mtl->CreateRenderable(vertex->GetCount());
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const int normal_binding=vsm->GetStageInputBinding("Normal");
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const int tangent_binding=vsm->GetStageInputBinding("Tangent");
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const int texcoord_binding=vsm->GetStageInputBinding("TexCoord");
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float *vp=(float *)vertex->Begin();
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float *np=nullptr;
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float *tp=nullptr;
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float *tc=nullptr;
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if(normal_binding !=-1){normal =new VB3f(numberVertices);np=(float *)normal->Begin();}
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if(tangent_binding !=-1){tangent =new VB3f(numberVertices);tp=(float *)tangent->Begin();}
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if(texcoord_binding !=-1){tex_coord =new VB2f(numberVertices);tc=(float *)tex_coord->Begin();}
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for (uint i = 0; i < numberParallels + 1; i++)
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{
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const int vertex_binding=vsm->GetStageInputBinding("Vertex");
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for (uint j = 0; j < numberSlices + 1; j++)
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{
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float x=sin(angleStep * (double) i) * sin(angleStep * (double) j);
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float y=cos(angleStep * (double) i);
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float z=sin(angleStep * (double) i) * cos(angleStep * (double) j);
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if(vertex_binding==-1)
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return(nullptr);
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*vp=x;++vp;
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*vp=y;++vp;
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*vp=z;++vp;
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VB3f *vertex=new VB3f(24);
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if(normal)
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{
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*np=x;++np;
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*np=y;++np;
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*np=z;++np;
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}
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vertex->Begin();
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vertex->Write(side,24);
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vertex->End();
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if(tex_coord)
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{
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tex_x=(float) j / (float) numberSlices;
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render_obj=mtl->CreateRenderable(vertex->GetCount());
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render_obj->Set(vertex_binding,db->CreateVBO(vertex));
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render_obj->SetBoundingBox(vertex->GetAABB());
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delete vertex;
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*tc=tex_x;++tc;
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*tc=1.0f - (float) i / (float) numberParallels;++tc;
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if(tangent)
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{
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// use quaternion to get the tangent vector
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glusQuaternionRotateRyf(helpQuaternion, 360.0f * tex_x);
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glusQuaternionGetMatrix4x4f(helpMatrix, helpQuaternion);
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glusMatrix4x4MultiplyVector3f(tp, helpMatrix, helpVector);
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tp+=3;
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}
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}
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}
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}
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if(tex_coord){tex_coord ->End();render_obj->Set(texcoord_binding, db->CreateVBO(tex_coord ));delete tex_coord;}
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if(tangent ){tangent ->End();render_obj->Set(tangent_binding, db->CreateVBO(tangent ));delete tangent; }
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if(normal ){normal ->End();render_obj->Set(normal_binding, db->CreateVBO(normal ));delete normal; }
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vertex->End();
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render_obj->Set(vertex_binding,db->CreateVBO(vertex));
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render_obj->SetBoundingBox(vertex->GetAABB());
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delete vertex;
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{
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uint indices_number=numberParallels * numberSlices * 6;
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if(numberVertices<=0xffff)
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render_obj->Set(CreateSphereIndices<uint16>(db->CreateIBO16(indices_number),numberParallels,numberSlices));
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else
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render_obj->Set(CreateSphereIndices<uint32>(db->CreateIBO32(indices_number),numberParallels,numberSlices));
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}
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db->Add(render_obj);
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return render_obj;
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}
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