overlap() публичный Метод

public overlap ( CHull h ) : bool
h CHull
Результат bool
Пример #1
0
        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);
        }
Пример #2
0
        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;
        }