private IEnumerator Co()
{
string fullPath = Application.streamingAssetsPath + "/" + filename;
List <Vector3> vertices = new List <Vector3>();
using (TextReader r = new StreamReader(fullPath)) {
ChainLine mainLine = lineFactory.CreateLine(null, liveTime, gradient);
ChainLine subLine = lineFactory.CreateLine(null, subColor);
string line = null;
string[] result;
float max = 16777215f;
while ((line = r.ReadLine()) != null)
{
//頂点
result = line.Split(separator);
Vector3 pos = new Vector3(
ValueAdjust(float.Parse(result[0]), max),
ValueAdjust(float.Parse(result[1]), max),
ValueAdjust(float.Parse(result[2]), max)) * 0.00001f;
//線二頂点を追加
mainLine.AddVertex(pos);
subLine.AddVertex(pos, subColor);
yield return(0f);
}
}
}
/// <summary>
/// ボロノイ図生成コルーチン
/// </summary>
private IEnumerator Voronoi()
{
PseudoHalfPlaneGenerator halfPlaneGenerator = new PseudoHalfPlaneGenerator(100f);
while (true)
{
List <Vector2> sites = new List <Vector2>(siteTranses.Select(elem => (Vector2)elem.position));
List <ConvexPolygon> results = new List <ConvexPolygon>();
List <ChainLine> lines = new List <ChainLine>();
for (int i = 0; i < sites.Count; ++i)
{
Vector3 s1 = sites[i];
ConvexPolygon region = null; //途中計算結果格納用の領域
for (int j = 0; j < sites.Count; ++j)
{
Vector3 s2 = sites[j];
if (i == j)
{
continue;
}
//s1とs2の垂直二等分線を求める
Line line = Line.PerpendicularBisector(s1, s2);
//垂直二等分線による半平面のうち，s1を含む方を求める
ConvexPolygon halfPlane = halfPlaneGenerator.Execute(line, s1);
if (region == null)
{
//初回計算時
region = IntersectionOperation.Execute(areaPolygon, halfPlane);
}
else
{
//二回目以降
region = IntersectionOperation.Execute(region, halfPlane);
}
Debug.Log(region + " : " + halfPlane);
//halfPlaneを可視化
List <Vector3> vertices = halfPlane.GetVertices3Copy();
vertices.Add(vertices[0]); //末尾を追加
ChainLine subl = lineFactory.CreateLine(vertices, subColor);
//regionを可視化
vertices = region.GetVertices3Copy();
vertices.Add(vertices[0]); //末尾を追加
ChainLine l = lineFactory.CreateLine(vertices, lineColor.Evaluate((float)j / sites.Count));
yield return(StartCoroutine(Wait()));
lineFactory.DeleteLine(subl);
lineFactory.DeleteLine(l);
}
}
Debug.Log("Complete");
yield return(StartCoroutine(Wait()));
}
}
private void Update()
{
List <Vector2> sites = new List <Vector2>(siteTranses.Select(elem => (Vector2)elem.position));
List <ConvexPolygon> results = new List <ConvexPolygon>();
//線の削除
if (lines.Count > 0)
{
for (int i = 0; i < lines.Count; ++i)
{
lineFactory.DeleteLine(lines[i]);
}
lines.Clear();
}
foreach (Vector2 s1 in sites)
{
ConvexPolygon region = null; //途中計算結果格納用の領域
foreach (Vector2 s2 in sites)
{
if (s1 == s2)
{
continue;
}
//s1とs2の垂直二等分線を求める
Line line = Line.PerpendicularBisector(s1, s2);
//垂直二等分線による半平面のうち，s1を含む方を求める
ConvexPolygon halfPlane = halfPlaneGenerator.Execute(line, s1);
if (region == null)
{
//初回計算時
region = IntersectionOperation.Execute(areaPolygon, halfPlane);
}
else
{
//二回目以降
region = IntersectionOperation.Execute(region, halfPlane);
}
}
if (region != null)
{
results.Add(region);
}
else
{
Debug.Log("Region is null");
}
}
for (int i = 0; i < results.Count; ++i)
{
results[i].Scale(sites[i], 0.9f);
List <Vector3> vertices = results[i].GetVertices3Copy();
vertices.Add(vertices[0]);
lines.Add(lineFactory.CreateLine(vertices, Color.green));
}
}
/// <summary>
/// 図の更新
/// </summary>
private void UpdateDiagram(List <Vector2> sites)
{
//ボロノイ図の作成
areaPolygon = ConvexPolygon.SquarePolygon(10f);
voronoiGenerator = new VoronoiDiagramGenerator();
regions = voronoiGenerator.Execute(areaPolygon, sites);
//線の削除
for (int i = 0; i < lines.Count; ++i)
{
lineFactory.DeleteLine(lines[i]);
}
lines.Clear();
for (int i = 0; i < regions.Count; ++i)
{
ConvexPolygon region = regions[i];
//線の描画
if (drawRegionLine)
{
List <Vector3> vertices = region.GetVertices3Copy();
vertices.Add(vertices[0]);
lines.Add(lineFactory.CreateLine(vertices));
}
//メッシュ
meshes[i] = region.Scale(sites[i], 0.5f).ToMesh(); //AngleSubdivisionOperation.Execute(region, 170f).Scale(sites[i], 1f).ToMesh();
//あたり判定の設定
colliders[i].sharedMesh = meshes[i];
}
}
private void FixedUpdate()
{
for (int i = 0; i < 2; ++i)
{
int octave = i;
float[] noise = PerlinNoiseD1.Noise(ctrlCount, noiseScale, octave);
ChainLine line = lineFactory.CreateLine(null, new LiveTimeUpdater(liveTime, true), new LiveTimeGradientUpdater(gradient));
for (int j = 0; j < noise.Length; ++j)
{
line.AddVertex(new Vector3(j / (float)noise.Length * 100f, noise[j] * amplitude + (i * amplitude)));
}
}
}
private void DrawEdgeLine(ConvexPolygon p, ChainLine line)
{
IntersectionOperation.Edge left = IntersectionOperation.CreateEdgeChain(p, true);
List <Vector3> vertices = new List <Vector3>();
vertices.Add(left.startPoint);
foreach (var e in left)
{
vertices.Add(e.endPoint);
}
if (line != null)
{
lineFactory.DeleteLine(line);
}
line = lineFactory.CreateLine(vertices, Color.red);
}
private void Update()
{
List <Vector2> vertices = new List <Vector2> (this.vertices.Select(elem => (Vector2)elem.position));
//Convex Polygon
polygon = new ConvexPolygon(vertices);
//DrawLine
List <Vector3> points = polygon.GetVertices3Copy();
points.Add(points[0]); //末尾に先頭を追加
if (line != null)
{
lineFactory.DeleteLine(line);
}
line = lineFactory.CreateLine(points, lineColor);
}
private void Update()
{
List <Vector2> sites = new List <Vector2>(siteTranses.Select(elem => (Vector2)elem.position));
//ボロノイ図の作成
areaPolygon = ConvexPolygon.SquarePolygon(10f);
voronoiGenerator = new VoronoiDiagramGenerator();
List <ConvexPolygon> regions = voronoiGenerator.Execute(areaPolygon, sites);
List <Vector3> vertices;
for (int i = 0; i < lines.Count; ++i)
{
lineFactory.DeleteLine(lines[i]);
}
//lines.Clear();
for (int i = 0; i < regions.Count; ++i)
{
ConvexPolygon region = regions[i];
if (drawRegionLine)
{
vertices = region.GetVertices3Copy();
vertices.Add(vertices[0]);
lines.Add(lineFactory.CreateLine(vertices));
}
//描画
Mesh mesh = null;
if (angled)
{
mesh = AngleSubdivisionOperation.Execute(region, 170f).Scale(sites[i], 0.9f).ToAltMesh();
}
else
{
mesh = LerpSubdivisionOperation.Execute(region, i, lerpT).Scale(sites[i], 0.9f).ToAltMesh();
}
UnityEngine.Graphics.DrawMesh(mesh, Matrix4x4.identity, mat, 0);
}
}
private void Update()
{
List <WaitedVoronoiSite> sites =
new List <WaitedVoronoiSite>(siteObjects.Select(elem => new WaitedVoronoiSite(elem.transform.position, elem.Wait)));
//ボロノイ図の作成
List <ConvexPolygon> regions = voronoiGenerator.Execute(areaPolygon, sites);
List <Vector3> vertices;
for (int i = 0; i < lines.Count; ++i)
{
lineFactory.DeleteLine(lines[i]);
}
lines.Clear();
for (int i = 0; i < regions.Count; ++i)
{
ConvexPolygon region = regions[i];
vertices = region.GetVertices3Copy();
vertices.Add(vertices[0]);
lines.Add(lineFactory.CreateLine(vertices));
}
}
public static ConvexPolygon Execute(ConvexPolygon polygon1, ConvexPolygon polygon2, ChainLineFactory lineFactory)
{
//どちらかがnullならnullを返す
if (polygon1 == null || polygon2 == null)
{
return(null);
}
//ステータスなど下準備
Status status = new Status();
List <Edge> leftEdge = new List <Edge>(); //左側の計算結果
List <Edge> rightEdge = new List <Edge>(); //右側の計算結果
//一回目のイベントを処理
StepResult result = FirstPass(polygon1, polygon2, status,
leftEdge, rightEdge);
//二回目以降のイベントを処理
while (result.mustContinue)
{
//二番目以降のイベントを処
result = SecondPass(status, leftEdge, rightEdge);
}
//左側と右側の計算結果を統合するリスト
List <Edge> totalEdge = new List <Edge>();
totalEdge.AddRange(leftEdge);
rightEdge.Reverse(); //反転して連結
totalEdge.AddRange(rightEdge);
//線の描画
List <Vector3> vs = new List <Vector3>();
vs.Add(leftEdge[0].startPoint);
foreach (var e in leftEdge)
{
vs.Add(e.endPoint);
}
lineFactory.CreateLine(vs, Color.red);
vs = new List <Vector3>();
vs.Add(rightEdge[0].startPoint);
foreach (var e in rightEdge)
{
vs.Add(e.endPoint);
}
lineFactory.CreateLine(vs, Color.blue);
//交差凸多角形の交点リスト
List <Vector2> resultPoints = new List <Vector2>();
Vector2 lastPoint = Vector2.one * float.NaN;
int totalSize = totalEdge.Count;
for (int i = 0; i < totalSize; ++i)
{
Edge e1 = totalEdge[i];
Edge e2 = totalEdge[(i + 1) % totalSize];
Vector2 p = Vector2.zero;
if (e1.GetIntersectionPoint(e2, ref p))
{
resultPoints.Add(p);
}
}
//頂点が3つ以上なら凸多角形を作成
if (resultPoints.Count >= 3)
{
return(new ConvexPolygon(resultPoints));
}
else
{
return(null);
}
}