public IcosphereBuilder() { var t = (1 + Mathf.Sqrt(5)) / 2; vertexCache = new VertexCache(); vertexCache.AddVertex(new Vector3(-1, +t, 0).normalized); vertexCache.AddVertex(new Vector3(+1, +t, 0).normalized); vertexCache.AddVertex(new Vector3(-1, -t, 0).normalized); vertexCache.AddVertex(new Vector3(+1, -t, 0).normalized); vertexCache.AddVertex(new Vector3(0, -1, +t).normalized); vertexCache.AddVertex(new Vector3(0, +1, +t).normalized); vertexCache.AddVertex(new Vector3(0, -1, -t).normalized); vertexCache.AddVertex(new Vector3(0, +1, -t).normalized); vertexCache.AddVertex(new Vector3(+t, 0, -1).normalized); vertexCache.AddVertex(new Vector3(+t, 0, +1).normalized); vertexCache.AddVertex(new Vector3(-t, 0, -1).normalized); vertexCache.AddVertex(new Vector3(-t, 0, +1).normalized); vertexCache.AddTriangle(0, 11, 5); vertexCache.AddTriangle(0, 5, 1); vertexCache.AddTriangle(0, 1, 7); vertexCache.AddTriangle(0, 7, 10); vertexCache.AddTriangle(0, 10, 11); vertexCache.AddTriangle(1, 5, 9); vertexCache.AddTriangle(5, 11, 4); vertexCache.AddTriangle(11, 10, 2); vertexCache.AddTriangle(10, 7, 6); vertexCache.AddTriangle(7, 1, 8); vertexCache.AddTriangle(3, 9, 4); vertexCache.AddTriangle(3, 4, 2); vertexCache.AddTriangle(3, 2, 6); vertexCache.AddTriangle(3, 6, 8); vertexCache.AddTriangle(3, 8, 9); vertexCache.AddTriangle(4, 9, 5); vertexCache.AddTriangle(2, 4, 11); vertexCache.AddTriangle(6, 2, 10); vertexCache.AddTriangle(8, 6, 7); vertexCache.AddTriangle(9, 8, 1); }
public IcosphereBuilder() { var t = (Mathf.Sqrt(5) + 1) / 2; vertexCache = new VertexCache(); vertexCache.AddVertex(new Vector3(-1, +t, 0).normalized); vertexCache.AddVertex(new Vector3(+1, +t, 0).normalized); vertexCache.AddVertex(new Vector3(-1, -t, 0).normalized); vertexCache.AddVertex(new Vector3(+1, -t, 0).normalized); vertexCache.AddVertex(new Vector3(0, -1, +t).normalized); vertexCache.AddVertex(new Vector3(0, +1, +t).normalized); vertexCache.AddVertex(new Vector3(0, -1, -t).normalized); vertexCache.AddVertex(new Vector3(0, +1, -t).normalized); vertexCache.AddVertex(new Vector3(+t, 0, -1).normalized); vertexCache.AddVertex(new Vector3(+t, 0, +1).normalized); vertexCache.AddVertex(new Vector3(-t, 0, -1).normalized); vertexCache.AddVertex(new Vector3(-t, 0, +1).normalized); vertexCache.AddTriangle(0, 11, 5); vertexCache.AddTriangle(0, 5, 1); vertexCache.AddTriangle(0, 1, 7); vertexCache.AddTriangle(0, 7, 10); vertexCache.AddTriangle(0, 10, 11); vertexCache.AddTriangle(1, 5, 9); vertexCache.AddTriangle(5, 11, 4); vertexCache.AddTriangle(11, 10, 2); vertexCache.AddTriangle(10, 7, 6); vertexCache.AddTriangle(7, 1, 8); vertexCache.AddTriangle(3, 9, 4); vertexCache.AddTriangle(3, 4, 2); vertexCache.AddTriangle(3, 2, 6); vertexCache.AddTriangle(3, 6, 8); vertexCache.AddTriangle(3, 8, 9); vertexCache.AddTriangle(4, 9, 5); vertexCache.AddTriangle(2, 4, 11); vertexCache.AddTriangle(6, 2, 10); vertexCache.AddTriangle(8, 6, 7); vertexCache.AddTriangle(9, 8, 1); }
public void Subdivide() { var vc = new VertexCache(); vc.vertices.AddRange(vertexCache.vertices); var midPoints = new MidpointTable(vc); foreach (var t in vertexCache.triangles) { var m1 = midPoints.GetMidpoint(t.i1, t.i2); var m2 = midPoints.GetMidpoint(t.i2, t.i3); var m3 = midPoints.GetMidpoint(t.i3, t.i1); vc.AddTriangle(t.i1, m1, m3); vc.AddTriangle(m1, t.i2, m2); vc.AddTriangle(m3, m2, t.i3); vc.AddTriangle(m1, m2, m3); } vertexCache = vc; }
public void Subdivide() { var vc = new VertexCache(); vc.vertices.AddRange(vertexCache.vertices); var midPoints = new MidpointTable(vc); foreach (var t in vertexCache.triangles) { var m1 = midPoints.GetMidpoint(t.i1, t.i2); var m2 = midPoints.GetMidpoint(t.i2, t.i3); var m3 = midPoints.GetMidpoint(t.i3, t.i1); vc.AddTriangle(t.i1, m1, m3); vc.AddTriangle(m1, t.i2, m2); vc.AddTriangle(m3, m2, t.i3); vc.AddTriangle(m1, m2, m3); } vertexCache = vc; }
// Constructor public MidpointTable(VertexCache vc) { vertexCache = vc; table = new Dictionary <int, int>(); }
public VertexCache(VertexCache source) { vertices = new List <Vector3>(source.vertices); triangles = new List <IndexedTriangle>(source.triangles); }
// Constructor. public MidpointTable(VertexCache vc) { _vc = vc; _table = new Dictionary<int, int>(); }
public VertexCache(VertexCache source) { vertices = new List<Vector3>(source.vertices); triangles = new List<IndexedTriangle>(source.triangles); }