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Added Torus primitive creation

This commit is contained in:
Paolo Cignoni 2012-10-11 22:45:21 +00:00
parent 1f8baf9131
commit 980b463a41
1 changed files with 26 additions and 2 deletions
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28
vcg/complex/algorithms/create/platonic.h
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@ -30,6 +30,7 @@
#include<vcg/complex/algorithms/update/flag.h> #include<vcg/complex/algorithms/update/flag.h>
#include<vcg/complex/algorithms/update/position.h> #include<vcg/complex/algorithms/update/position.h>
#include<vcg/complex/algorithms/update/bounding.h> #include<vcg/complex/algorithms/update/bounding.h>
#include<vcg/complex/algorithms/clean.h>
namespace vcg { namespace vcg {
@ -529,11 +530,34 @@ void Box(MeshType &in, const typename MeshType::BoxType & bb )
} }
// Torus
template <class MeshType>
void Torus(MeshType &m, float hRingRadius, float vRingRadius, int vRingDiv=12, int hRingDiv=24 )
{
m.Clear();
float angleStepV = (2.0f*M_PI)/vRingDiv;
float angleStepH = (2.0f*M_PI)/hRingDiv;
Allocator<MeshType>::AddVertices(m,(vRingDiv+1)*(hRingDiv+1));
for(float i=0;i<hRingDiv+1;++i)
{
Matrix44f RotM; RotM.SetRotateRad(i*angleStepH,Point3f(0,1,0));
for(float j=0;j<vRingDiv+1;++j)
{
Point3f p;
p[0]= vRingRadius*cos(j*angleStepV) + hRingRadius;
p[1]= vRingRadius*sin(j*angleStepV);
p[2] = 0;
m.vert[i*(vRingDiv+1)+j].P() = RotM*p;
}
}
FaceGrid(m,vRingDiv+1,hRingDiv+1);
tri::Clean<MeshType>::RemoveDuplicateVertex(m);
}
// this function build a mesh starting from a vector of generic coords (objects having a triple of float at their beginning) // this function build a mesh starting from a vector of generic coords (objects having a triple of float at their beginning)
// and a vector of faces (objects having a triple of ints at theri beginning). // and a vector of faces (objects having a triple of ints at theri beginning).
template <class MeshType,class V, class F > template <class MeshType,class V, class F >
void Build( MeshType & in, const V & v, const F & f) void Build( MeshType & in, const V & v, const F & f)
{ {