public CHull canMerge(CHull a, CHull b)
{
if (!a.overlap(b)) // if their AABB's (with a little slop) don't overlap, then return.
{
return(null);
}
CHull ret = null;
// ok..we are going to combine both meshes into a single mesh
// and then we are going to compute the concavity...
VertexPool vc = new VertexPool();
List <int> indices = new List <int>();
getMesh(a.mResult, vc, indices);
getMesh(b.mResult, vc, indices);
// 20131224 not used int vcount = vc.GetSize();
List <float3> vertices = vc.GetVertices();
int tcount = indices.Count / 3;
//don't do anything if hull is empty
if (tcount == 0)
{
vc.Clear();
return(null);
}
HullResult hresult = new HullResult();
HullDesc desc = new HullDesc();
desc.SetHullFlag(HullFlag.QF_TRIANGLES);
desc.Vertices = vertices;
HullError hret = HullUtils.CreateConvexHull(desc, ref hresult);
if (hret == HullError.QE_OK)
{
float combineVolume = Concavity.computeMeshVolume(hresult.OutputVertices, hresult.Indices);
float sumVolume = a.mVolume + b.mVolume;
float percent = (sumVolume * 100) / combineVolume;
if (percent >= (100.0f - MERGE_PERCENT))
{
ConvexResult cr = new ConvexResult(hresult.OutputVertices, hresult.Indices);
ret = new CHull(cr);
}
}
vc.Clear();
return(ret);
}
public CHull canMerge(CHull a, CHull b)
{
if (!a.overlap(b)) // if their AABB's (with a little slop) don't overlap, then return.
return null;
CHull ret = null;
// ok..we are going to combine both meshes into a single mesh
// and then we are going to compute the concavity...
VertexPool vc = new VertexPool();
List<int> indices = new List<int>();
getMesh(a.mResult, vc, indices);
getMesh(b.mResult, vc, indices);
// 20131224 not used int vcount = vc.GetSize();
List<float3> vertices = vc.GetVertices();
int tcount = indices.Count / 3;
//don't do anything if hull is empty
if (tcount == 0)
{
vc.Clear();
return null;
}
HullResult hresult = new HullResult();
HullDesc desc = new HullDesc();
desc.SetHullFlag(HullFlag.QF_TRIANGLES);
desc.Vertices = vertices;
HullError hret = HullUtils.CreateConvexHull(desc, ref hresult);
if (hret == HullError.QE_OK)
{
float combineVolume = Concavity.computeMeshVolume(hresult.OutputVertices, hresult.Indices);
float sumVolume = a.mVolume + b.mVolume;
float percent = (sumVolume * 100) / combineVolume;
if (percent >= (100.0f - MERGE_PERCENT))
{
ConvexResult cr = new ConvexResult(hresult.OutputVertices, hresult.Indices);
ret = new CHull(cr);
}
}
vc.Clear();
return ret;
}