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corrected error in the formula of supertoroid: wrong radii usage

This commit is contained in:
Paolo Cignoni 2016-02-17 11:11:19 +00:00
parent b7694288e5
commit 4867a33379
1 changed files with 8 additions and 8 deletions
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16
vcg/complex/algorithms/create/platonic.h
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@ -615,13 +615,13 @@ void SuperToroid(MeshType &m, float hRingRadius, float vRingRadius, float vSquar
m.Clear(); m.Clear();
ScalarType angleStepV = (2.0f*M_PI)/vRingDiv; ScalarType angleStepV = (2.0f*M_PI)/vRingDiv;
ScalarType angleStepH = (2.0f*M_PI)/hRingDiv; ScalarType angleStepH = (2.0f*M_PI)/hRingDiv;
auto fnC=[](float a, float b){ auto fnC=[](ScalarType a, ScalarType b){
return math::Sgn(cos(a))*pow(abs(cos(a)),b); return math::Sgn(cos(a))*pow(fabs(cos(a)),b);
}; };
auto fnS=[](float a, float b){ auto fnS=[](ScalarType a, ScalarType b){
return math::Sgn(sin(a))*pow(abs(sin(a)),b); return math::Sgn(sin(a))*pow(fabs(sin(a)),b);
}; };
float u,v; ScalarType u,v;
int count; int count;
Allocator<MeshType>::AddVertices(m,(vRingDiv+1)*(hRingDiv+1)); Allocator<MeshType>::AddVertices(m,(vRingDiv+1)*(hRingDiv+1));
for(int i=0;i<hRingDiv+1;++i) for(int i=0;i<hRingDiv+1;++i)
@ -632,9 +632,9 @@ void SuperToroid(MeshType &m, float hRingRadius, float vRingRadius, float vSquar
{ {
CoordType p; CoordType p;
v=float(j%vRingDiv)*angleStepV; v=float(j%vRingDiv)*angleStepV;
p[0]= (hRingRadius+fnC(u,vSquareness))*fnC(v,hSquareness); p[0]= (hRingRadius+vRingRadius*fnC(u,vSquareness))*fnC(v,hSquareness);
p[1]= (vRingRadius+fnC(u,vSquareness))*fnS(v,hSquareness); p[1]= (hRingRadius+vRingRadius*fnC(u,vSquareness))*fnS(v,hSquareness);
p[2] = fnS(u,vSquareness); p[2] = vRingRadius*fnS(u,vSquareness);
m.vert[i*(vRingDiv+1)+count].P() = p; m.vert[i*(vRingDiv+1)+count].P() = p;
count++; count++;
} }