GameObject GenerateCellRegionSurface(int cellIndex, Material material)
{
if (cellIndex<0 || cellIndex>=cells.Count) return null;
Region region = cells [cellIndex].region;
// Calculate region's surface points
int numSegments = region.segments.Count;
Connector connector = new Connector();
if (_terrain==null) {
connector.AddRange(region.segments);
} else {
for (int i = 0; i<numSegments; i++) {
Segment s = region.segments[i];
SurfaceSegmentForSurface(s, connector);
}
}
Geom.Polygon surfacedPolygon = connector.ToPolygonFromLargestLineStrip();
List<Point> surfacedPoints = surfacedPolygon.contours[0].points;
List<PolygonPoint> ppoints = new List<PolygonPoint>(surfacedPoints.Count);
for (int k=0;k<surfacedPoints.Count;k++) {
double x = surfacedPoints[k].x+2;
double y = surfacedPoints[k].y+2;
if (!IsTooNearPolygon(x, y, ppoints)) {
float h = _terrain!=null ? _terrain.SampleHeight(transform.TransformPoint((float)x-2, (float)y-2,0)): 0;
ppoints.Add (new PolygonPoint(x, y, h));
}
}
Poly2Tri.Polygon poly = new Poly2Tri.Polygon(ppoints);
if (_terrain!=null) {
if (steinerPoints==null) {
steinerPoints = new List<TriangulationPoint>(6000);
} else {
steinerPoints.Clear();
}
float stepX = 1.0f / heightMapWidth;
float smallStep = 1.0f / heightMapWidth;
float y = region.rect2D.yMin + smallStep;
float ymax = region.rect2D.yMax - smallStep;
float[] acumY = new float[terrainRoughnessMapWidth];
while(y<ymax) {
int j = (int)((y + 0.5f) * terrainRoughnessMapHeight); // * heightMapHeight)) / TERRAIN_CHUNK_SIZE;
if (j>=0) {
if (j>=terrainRoughnessMapHeight) j=terrainRoughnessMapHeight-1;
float sy = y + 2;
float xin = GetFirstPointInRow(sy, ppoints) + smallStep;
float xout = GetLastPointInRow(sy, ppoints) - smallStep;
int k0 = -1;
for (float x = xin; x<xout; x+=stepX) {
int k = (int)((x + 0.5f) * terrainRoughnessMapWidth); //)) / TERRAIN_CHUNK_SIZE;
if (k>=terrainRoughnessMapWidth) k=terrainRoughnessMapWidth-1;
if (k0!=k) {
k0=k;
stepX = terrainRoughnessMap[j,k];
if (acumY[k] >= stepX) acumY[k] = 0;
acumY[k] += smallStep;
}
if (acumY[k] >= stepX) {
// Gather precision height
float h = _terrain.SampleHeight (transform.TransformPoint(x,y,0));
float htl = _terrain.SampleHeight (transform.TransformPoint (x-smallStep, y+smallStep, 0));
if (htl>h) h = htl;
float htr = _terrain.SampleHeight (transform.TransformPoint (x+smallStep, y+smallStep, 0));
if (htr>h) h = htr;
float hbr = _terrain.SampleHeight (transform.TransformPoint (x+smallStep, y-smallStep, 0));
if (hbr>h) h = hbr;
float hbl = _terrain.SampleHeight (transform.TransformPoint (x-smallStep, y-smallStep, 0));
if (hbl>h) h = hbl;
steinerPoints.Add (new PolygonPoint (x+2, sy, h));
}
}
}
y += smallStep;
if (steinerPoints.Count>80000) {
break;
}
}
poly.AddSteinerPoints(steinerPoints);
}
P2T.Triangulate(poly);
// Calculate & optimize mesh data
int pointCount = poly.Triangles.Count*3;
List<Vector3> meshPoints = new List<Vector3> (pointCount);
int[] triNew = new int[pointCount];
if (surfaceMeshHit == null)
surfaceMeshHit = new Dictionary<TriangulationPoint, int> (2000);
else
surfaceMeshHit.Clear ();
int triNewIndex =-1;
int newPointsCount = -1;
if (_gridNormalOffset>0) {
for (int k=0;k<poly.Triangles.Count;k++) {
DelaunayTriangle dt = poly.Triangles[k];
TriangulationPoint p = dt.Points [0];
if (surfaceMeshHit.ContainsKey (p)) {
triNew [++triNewIndex] = surfaceMeshHit [p];
} else {
Vector3 np = new Vector3(p.Xf-2, p.Yf-2, -p.Zf);
np += transform.InverseTransformVector(_terrain.terrainData.GetInterpolatedNormal(np.x+0.5f,np.y+0.5f)) * _gridNormalOffset;
meshPoints.Add (np);
surfaceMeshHit.Add (p, ++newPointsCount);
triNew [++triNewIndex] = newPointsCount;
}
p = dt.Points [2];
if (surfaceMeshHit.ContainsKey (p)) {
triNew [++triNewIndex] = surfaceMeshHit [p];
} else {
Vector3 np = new Vector3(p.Xf-2, p.Yf-2, -p.Zf);
np += transform.InverseTransformVector(_terrain.terrainData.GetInterpolatedNormal(np.x+0.5f,np.y+0.5f)) * _gridNormalOffset;
meshPoints.Add (np);
surfaceMeshHit.Add (p, ++newPointsCount);
triNew [++triNewIndex] = newPointsCount;
}
p = dt.Points [1];
if (surfaceMeshHit.ContainsKey (p)) {
triNew [++triNewIndex] = surfaceMeshHit [p];
} else {
Vector3 np = new Vector3(p.Xf-2, p.Yf-2, -p.Zf);
np += transform.InverseTransformVector(_terrain.terrainData.GetInterpolatedNormal(np.x+0.5f,np.y+0.5f)) * _gridNormalOffset;
meshPoints.Add (np);
surfaceMeshHit.Add (p, ++newPointsCount);
triNew [++triNewIndex] = newPointsCount;
}
}
} else {
for (int k=0;k<poly.Triangles.Count;k++) {
DelaunayTriangle dt = poly.Triangles[k];
TriangulationPoint p = dt.Points [0];
if (surfaceMeshHit.ContainsKey (p)) {
triNew [++triNewIndex] = surfaceMeshHit [p];
} else {
Vector3 np = new Vector3(p.Xf-2, p.Yf-2, -p.Zf);
meshPoints.Add (np);
surfaceMeshHit.Add (p, ++newPointsCount);
triNew [++triNewIndex] = newPointsCount;
}
p = dt.Points [2];
if (surfaceMeshHit.ContainsKey (p)) {
triNew [++triNewIndex] = surfaceMeshHit [p];
} else {
Vector3 np = new Vector3(p.Xf-2, p.Yf-2, -p.Zf);
meshPoints.Add (np);
surfaceMeshHit.Add (p, ++newPointsCount);
triNew [++triNewIndex] = newPointsCount;
}
p = dt.Points [1];
if (surfaceMeshHit.ContainsKey (p)) {
triNew [++triNewIndex] = surfaceMeshHit [p];
} else {
Vector3 np = new Vector3(p.Xf-2, p.Yf-2, -p.Zf);
meshPoints.Add (np);
surfaceMeshHit.Add (p, ++newPointsCount);
triNew [++triNewIndex] = newPointsCount;
}
}
}
int cacheIndex = GetCacheIndexForCellRegion (cellIndex);
string cacheIndexSTR = cacheIndex.ToString();
// Deletes potential residual surface
Transform t = surfacesLayer.transform.FindChild(cacheIndexSTR);
if (t!=null) DestroyImmediate(t.gameObject);
GameObject surf = Drawing.CreateSurface (cacheIndexSTR, meshPoints.ToArray(), triNew, material);
_lastVertexCount += surf.GetComponent<MeshFilter>().sharedMesh.vertexCount;
surf.transform.SetParent (surfacesLayer.transform, false);
surf.transform.localPosition = Vector3.zero;
surf.layer = gameObject.layer;
if (surfaces.ContainsKey(cacheIndex)) surfaces.Remove(cacheIndex);
surfaces.Add (cacheIndex, surf);
return surf;
}
GameObject GenerateTerritoryRegionSurface(int territoryIndex, Material material, Vector2 textureScale, Vector2 textureOffset, float textureRotation)
{
if (territoryIndex<0 || territoryIndex>=territories.Count) return null;
Region region = territories [territoryIndex].region;
// Calculate region's surface points
int numSegments = region.segments.Count;
Connector connector = new Connector();
if (_terrain==null) {
connector.AddRange(region.segments);
} else {
for (int i = 0; i<numSegments; i++) {
Segment s = region.segments[i];
SurfaceSegmentForSurface(s, connector);
}
}
Geom.Polygon surfacedPolygon = connector.ToPolygonFromLargestLineStrip();
List<Point> surfacedPoints = surfacedPolygon.contours[0].points;
List<PolygonPoint> ppoints = new List<PolygonPoint>(surfacedPoints.Count);
for (int k=0;k<surfacedPoints.Count;k++) {
double x = surfacedPoints[k].x+2;
double y = surfacedPoints[k].y+2;
if (!IsTooNearPolygon(x, y, ppoints)) {
float h = _terrain!=null ? _terrain.SampleHeight(transform.TransformPoint((float)x-2, (float)y-2,0)): 0;
ppoints.Add (new PolygonPoint(x, y, h));
}
}
Poly2Tri.Polygon poly = new Poly2Tri.Polygon(ppoints);
if (_terrain!=null) {
if (steinerPoints==null) {
steinerPoints = new List<TriangulationPoint>(6000);
} else {
steinerPoints.Clear();
}
float stepX = 1.0f / heightMapWidth;
float smallStep = 1.0f / heightMapWidth;
float y = region.rect2D.yMin + smallStep;
float ymax = region.rect2D.yMax - smallStep;
float[] acumY = new float[terrainRoughnessMapWidth];
while(y<ymax) {
int j = (int)((y + 0.5f) * terrainRoughnessMapHeight); // * heightMapHeight)) / TERRAIN_CHUNK_SIZE;
if (j>=terrainRoughnessMapHeight) j=terrainRoughnessMapHeight-1;
float sy = y + 2;
float xin = GetFirstPointInRow(sy, ppoints) + smallStep;
float xout = GetLastPointInRow(sy, ppoints) - smallStep;
int k0 = -1;
for (float x = xin; x<xout; x+=stepX) {
int k = (int)((x + 0.5f) * terrainRoughnessMapWidth); //)) / TERRAIN_CHUNK_SIZE;
if (k>=terrainRoughnessMapWidth) k=terrainRoughnessMapWidth-1;
if (k0!=k) {
k0=k;
stepX = terrainRoughnessMap[j,k];
if (acumY[k] >= stepX) acumY[k] = 0;
acumY[k] += smallStep;
}
if (acumY[k] >= stepX) {
// Gather precision height
float h = _terrain.SampleHeight (transform.TransformPoint(x,y,0));
float htl = _terrain.SampleHeight (transform.TransformPoint (x-smallStep, y+smallStep, 0));
if (htl>h) h = htl;
float htr = _terrain.SampleHeight (transform.TransformPoint (x+smallStep, y+smallStep, 0));
if (htr>h) h = htr;
float hbr = _terrain.SampleHeight (transform.TransformPoint (x+smallStep, y-smallStep, 0));
if (hbr>h) h = hbr;
float hbl = _terrain.SampleHeight (transform.TransformPoint (x-smallStep, y-smallStep, 0));
if (hbl>h) h = hbl;
steinerPoints.Add (new PolygonPoint (x+2, sy, h));
}
}
y += smallStep;
if (steinerPoints.Count>80000) {
break;
}
}
poly.AddSteinerPoints(steinerPoints);
}
P2T.Triangulate(poly);
Vector3[] revisedSurfPoints = new Vector3[poly.Triangles.Count*3];
if (_gridNormalOffset>0) {
for (int k=0;k<poly.Triangles.Count;k++) {
DelaunayTriangle dt = poly.Triangles[k];
float x = dt.Points[0].Xf-2;
float y = dt.Points[0].Yf-2;
float z = -dt.Points[0].Zf;
Vector3 nd = transform.InverseTransformVector(_terrain.terrainData.GetInterpolatedNormal(x+0.5f,y+0.5f)) * _gridNormalOffset;
revisedSurfPoints[k*3].x = x + nd.x;
revisedSurfPoints[k*3].y = y + nd.y;
revisedSurfPoints[k*3].z = z + nd.z;
x = dt.Points[2].Xf-2;
y = dt.Points[2].Yf-2;
z = -dt.Points[2].Zf;
nd = transform.InverseTransformVector(_terrain.terrainData.GetInterpolatedNormal(x+0.5f,y+0.5f)) * _gridNormalOffset;
revisedSurfPoints[k*3+1].x = x + nd.x;
revisedSurfPoints[k*3+1].y = y + nd.y;
revisedSurfPoints[k*3+1].z = z + nd.z;
x = dt.Points[1].Xf-2;
y = dt.Points[1].Yf-2;
z = -dt.Points[1].Zf;
nd = transform.InverseTransformVector(_terrain.terrainData.GetInterpolatedNormal(x+0.5f,y+0.5f)) * _gridNormalOffset;
revisedSurfPoints[k*3+2].x = x + nd.x;
revisedSurfPoints[k*3+2].y = y + nd.y;
revisedSurfPoints[k*3+2].z = z + nd.z;
}
} else {
for (int k=0;k<poly.Triangles.Count;k++) {
DelaunayTriangle dt = poly.Triangles[k];
revisedSurfPoints[k*3].x = dt.Points[0].Xf-2;
revisedSurfPoints[k*3].y = dt.Points[0].Yf-2;
revisedSurfPoints[k*3].z = -dt.Points[0].Zf;
revisedSurfPoints[k*3+1].x = dt.Points[2].Xf-2;
revisedSurfPoints[k*3+1].y = dt.Points[2].Yf-2;
revisedSurfPoints[k*3+1].z = -dt.Points[2].Zf;
revisedSurfPoints[k*3+2].x = dt.Points[1].Xf-2;
revisedSurfPoints[k*3+2].y = dt.Points[1].Yf-2;
revisedSurfPoints[k*3+2].z = -dt.Points[1].Zf;
}
}
int cacheIndex = GetCacheIndexForTerritoryRegion (territoryIndex);
string cacheIndexSTR = cacheIndex.ToString();
// Deletes potential residual surface
Transform t = surfacesLayer.transform.FindChild(cacheIndexSTR);
if (t!=null) DestroyImmediate(t.gameObject);
GameObject surf = Drawing.CreateSurface (cacheIndexSTR, revisedSurfPoints, material);
surf.transform.SetParent (surfacesLayer.transform, false);
surf.transform.localPosition = Vector3.zero;
surf.layer = gameObject.layer;
if (surfaces.ContainsKey(cacheIndex)) surfaces.Remove(cacheIndex);
surfaces.Add (cacheIndex, surf);
return surf;
}
public void CreateMesh(Vector2[] vertsToCopy, Transform transform,int triangleIndex)
{
List<Vector3> resultsLocal = new List<Vector3>();
List<int> resultsTriIndexesLocal = new List<int>();
List<int> resultsTriIndexesReversedLocal = new List<int>();
List<Vector2> uvsLocal = new List<Vector2>();
List<Vector3> normalsLocal = new List<Vector3>();
Sprite spr = transform.GetComponent<SpriteRenderer>().sprite;
Rect rec = spr.rect;
Vector3 bound = transform.GetComponent<Renderer>().bounds.max- transform.GetComponent<Renderer>().bounds.min ;
TextureImporter textureImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(spr)) as TextureImporter;
List<PolygonPoint> p2 = new List<PolygonPoint>();
if (triangleIndex > 0)
{
vertsToCopy = CreateSubVertPoints (spr.bounds,vertsToCopy.ToList(), triangleIndex).ToArray();
}
int i = 0;
for (i = 0; i < vertsToCopy.Count(); i ++)
{
p2.Add(new PolygonPoint(vertsToCopy [i].x, vertsToCopy [i].y));
}
Polygon _polygon = new Polygon(p2);
if (triangleIndex > 0)
{
List<TriangulationPoint> triPoints = GenerateGridPoints (spr.bounds, triangleIndex, _polygon);
_polygon.AddSteinerPoints (triPoints);
}
P2T.Triangulate(_polygon);
int idx = 0;
foreach (DelaunayTriangle triangle in _polygon.Triangles)
{
Vector3 v = new Vector3();
foreach (TriangulationPoint p in triangle.Points)
{
v = new Vector3((float)p.X, (float)p.Y,0);
if(!resultsLocal.Contains(v))
{
resultsLocal.Add(v);
resultsTriIndexesLocal.Add(idx);
Vector2 newUv = new Vector2((v.x/bound.x) + 0.5f, (v.y /bound.y) + 0.5f);
newUv.x *= rec.width/ spr.texture.width;
newUv.y *= rec.height/ spr.texture.height;
newUv.x += (rec.x)/ spr.texture.width;
newUv.y += (rec.y) / spr.texture.height;
SpriteMetaData[] smdArray = textureImporter.spritesheet;
Vector2 pivot = new Vector2(.0f,.0f);;
for (int k = 0; k < smdArray.Length; k++)
{
if (smdArray[k].name == spr.name)
{
switch(smdArray[k].alignment)
{
case(0):
smdArray[k].pivot = Vector2.zero;
break;
case(1):
smdArray[k].pivot = new Vector2(0f,1f) -new Vector2(.5f,.5f);
break;
case(2):
smdArray[k].pivot = new Vector2(0.5f,1f) -new Vector2(.5f,.5f);
break;
case(3):
smdArray[k].pivot = new Vector2(1f,1f) -new Vector2(.5f,.5f);
break;
case(4):
smdArray[k].pivot = new Vector2(0f,.5f) -new Vector2(.5f,.5f);
break;
case(5):
smdArray[k].pivot = new Vector2(1f,.5f) -new Vector2(.5f,.5f);
break;
case(6):
smdArray[k].pivot = new Vector2(0f,0f) -new Vector2(.5f,.5f);
break;
case(7):
smdArray[k].pivot = new Vector2(0.5f,0f) -new Vector2(.5f,.5f);
break;
case(8):
smdArray[k].pivot = new Vector2(1f,0f) -new Vector2(.5f,.5f);
break;
case(9):
smdArray[k].pivot -= new Vector2(.5f,.5f);
break;
}
pivot = smdArray[k].pivot ;
}
}
if(textureImporter.spriteImportMode == SpriteImportMode.Single)
pivot = textureImporter.spritePivot-new Vector2(.5f,.5f);
newUv.x += ((pivot.x)*rec.width)/ spr.texture.width;
newUv.y += ((pivot.y)*rec.height)/ spr.texture.height;
uvsLocal.Add(newUv);
normalsLocal.Add(new Vector3(0,0,-1));
idx++;
}
else
{
resultsTriIndexesLocal.Add(resultsLocal.LastIndexOf(v));
}
}
}
for (int j = resultsTriIndexesLocal.Count-1; j >=0; j--)
{
resultsTriIndexesReversedLocal.Add(resultsTriIndexesLocal[j]);
}
results.AddRange(resultsLocal);
resultsTriIndexes.AddRange(resultsTriIndexesLocal);
resultsTriIndexesReversed.AddRange(resultsTriIndexesReversedLocal);
uvs.AddRange(uvsLocal);
normals.AddRange(normalsLocal);
resultsLocal.Clear();
resultsTriIndexesLocal.Clear();
resultsTriIndexesReversedLocal.Clear();
uvsLocal.Clear();
normalsLocal.Clear();
finalVertices = results.ToArray();
finalNormals = normals.ToArray();
finalUvs= uvs.ToArray();
finalTriangles = resultsTriIndexesReversed.ToArray();
}
public Mesh CreateMeshFromVerts(Vector3[] vertsToCopy, Mesh mesh, List<int> pathSplitIds, Transform SpriteGO = null)
{
List<Vector3> resultsLocal = new List<Vector3>();
List<int> resultsTriIndexesLocal = new List<int>();
List<int> resultsTriIndexesReversedLocal = new List<int>();
List<Vector2> uvsLocal = new List<Vector2>();
List<Vector3> normalsLocal = new List<Vector3>();
Sprite spr = new Sprite();
Rect rec = new Rect();
Vector3 bound = Vector3.zero;
TextureImporter textureImporter = new TextureImporter();
if(SpriteGO !=null && SpriteGO.GetComponent<SpriteRenderer>() && SpriteGO.GetComponent<SpriteRenderer>().sprite)
{
spr = SpriteGO.GetComponent<SpriteRenderer>().sprite;
rec = spr.rect;
bound = SpriteGO.GetComponent<Renderer>().bounds.max- SpriteGO.GetComponent<Renderer>().bounds.min ;
textureImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(spr)) as TextureImporter;
}
List<PolygonPoint> p2 = new List<PolygonPoint>();
List<TriangulationPoint> extraPoints = new List<TriangulationPoint>();
int i = 0;
for (i = 0; i < vertsToCopy.Count(); i ++)
{
if(i<pathSplitIds[0])
p2.Add(new PolygonPoint(vertsToCopy [i].x, vertsToCopy [i].y));
else
extraPoints.Add(new TriangulationPoint(vertsToCopy [i].x, vertsToCopy [i].y));
}
Polygon _polygon = new Polygon(p2);
// this is how to add more points
_polygon.AddSteinerPoints (extraPoints);
P2T.Triangulate(_polygon);
if (spr == null)
{
bound = new Vector3((float)(_polygon.Bounds.MaxX - _polygon.Bounds.MinX),(float)(_polygon.Bounds.MaxY - _polygon.Bounds.MinY),0 ) ;
}
int idx = 0;
foreach (DelaunayTriangle triangle in _polygon.Triangles)
{
Vector3 v = new Vector3();
foreach (TriangulationPoint p in triangle.Points)
{
v = new Vector3((float)p.X, (float)p.Y,0);
if(!resultsLocal.Contains(v))
{
resultsLocal.Add(v);
resultsTriIndexesLocal.Add(idx);
Vector2 newUv = new Vector2(((v.x-(float)_polygon.Bounds.MinX) /bound.x) , ((v.y-(float)_polygon.Bounds.MinY) /bound.y) );
if (spr != null)
{
newUv = new Vector2 ((v.x / bound.x) + 0.5f, (v.y / bound.y) + 0.5f);
newUv.x *= rec.width/ spr.texture.width;
newUv.y *= rec.height/ spr.texture.height;
newUv.x += (rec.x)/ spr.texture.width;
newUv.y += (rec.y) / spr.texture.height;
SpriteMetaData[] smdArray = textureImporter.spritesheet;
Vector2 pivot = new Vector2(.0f,.0f);;
for (int k = 0; k < smdArray.Length; k++)
{
if (smdArray[k].name == spr.name)
{
switch(smdArray[k].alignment)
{
case(0):
smdArray[k].pivot = Vector2.zero;
break;
case(1):
smdArray[k].pivot = new Vector2(0f,1f) -new Vector2(.5f,.5f);
break;
case(2):
smdArray[k].pivot = new Vector2(0.5f,1f) -new Vector2(.5f,.5f);
break;
case(3):
smdArray[k].pivot = new Vector2(1f,1f) -new Vector2(.5f,.5f);
break;
case(4):
smdArray[k].pivot = new Vector2(0f,.5f) -new Vector2(.5f,.5f);
break;
case(5):
smdArray[k].pivot = new Vector2(1f,.5f) -new Vector2(.5f,.5f);
break;
case(6):
smdArray[k].pivot = new Vector2(0f,0f) -new Vector2(.5f,.5f);
break;
case(7):
smdArray[k].pivot = new Vector2(0.5f,0f) -new Vector2(.5f,.5f);
break;
case(8):
smdArray[k].pivot = new Vector2(1f,0f) -new Vector2(.5f,.5f);
break;
case(9):
smdArray[k].pivot -= new Vector2(.5f,.5f);
break;
}
pivot = smdArray[k].pivot ;
}
}
if(textureImporter.spriteImportMode == SpriteImportMode.Single)
pivot = textureImporter.spritePivot-new Vector2(.5f,.5f);
newUv.x += ((pivot.x)*rec.width)/ spr.texture.width;
newUv.y += ((pivot.y)*rec.height)/ spr.texture.height;
}
uvsLocal.Add(newUv);
normalsLocal.Add(new Vector3(0,0,-1));
idx++;
}
else
{
resultsTriIndexesLocal.Add(resultsLocal.LastIndexOf(v));
}
}
}
for (int j = resultsTriIndexesLocal.Count-1; j >=0; j--)
{
resultsTriIndexesReversedLocal.Add(resultsTriIndexesLocal[j]);
}
results.AddRange(resultsLocal);
resultsTriIndexes.AddRange(resultsTriIndexesLocal);
resultsTriIndexesReversed.AddRange(resultsTriIndexesReversedLocal);
uvs.AddRange(uvsLocal);
normals.AddRange(normalsLocal);
resultsLocal.Clear();
resultsTriIndexesLocal.Clear();
resultsTriIndexesReversedLocal.Clear();
uvsLocal.Clear();
normalsLocal.Clear();
finalVertices = results.ToArray();
finalNormals = normals.ToArray();
finalUvs= uvs.ToArray();
finalTriangles = resultsTriIndexesReversed.ToArray();
mesh.vertices = finalVertices;
mesh.triangles = finalTriangles;
mesh.uv = finalUvs;
mesh.normals = finalNormals;
mesh = calculateMeshTangents (mesh);
return mesh;
}
private List<Polygon> TriangulatePolyTree(PolyTree tree)
{
List<Polygon> polygonsGenerated = new List<Polygon>();
List<PolygonPoint> AllPoints = new List<PolygonPoint>();
foreach (PolyNode islands in tree.Childs)
{
List<PolygonPoint> floorPoints = new List<PolygonPoint>();
foreach (IntPoint point in SubdividePolygon(islands.Contour))
{
floorPoints.Add(new PolygonPoint(point.X / GenerationInformation.CalculationScaleFactor, point.Y / GenerationInformation.CalculationScaleFactor));
}
AllPoints.AddRange(floorPoints);
Polygon floorPolygon = new Polygon(floorPoints);
foreach (PolyNode nextNode in islands.Childs)
{
if (nextNode.IsHole)
{
List<PolygonPoint> holePoints = new List<PolygonPoint>();
foreach (IntPoint point in SubdividePolygon(nextNode.Contour))
{
holePoints.Add(new PolygonPoint(point.X / GenerationInformation.CalculationScaleFactor, point.Y / GenerationInformation.CalculationScaleFactor));
}
AllPoints.AddRange(holePoints);
floorPolygon.AddHole(new Polygon(holePoints));
}
}
if (GenerationInformation.UseGrid)
{
List<TriangulationPoint> steinerPoints = new List<TriangulationPoint>();
for (float x = (float)floorPolygon.BoundingBox.MinX - ((float)floorPolygon.BoundingBox.MinX % GenerationInformation.GridSize.x); x < floorPolygon.BoundingBox.MaxX; x += GenerationInformation.GridSize.x)
{
for (float y = (float)floorPolygon.BoundingBox.MinY - ((float)floorPolygon.BoundingBox.MinY % GenerationInformation.GridSize.y); y < floorPolygon.BoundingBox.MaxY; y += GenerationInformation.GridSize.y)
{
TriangulationPoint p = new TriangulationPoint(x, y);
if (floorPolygon.IsPointInside(p))
steinerPoints.Add(p);
}
}
CullSteinerPoints(ref steinerPoints, AllPoints, 0.1f);
floorPolygon.AddSteinerPoints(steinerPoints);
}
floorPolygon.Prepare(P2T.CreateContext(TriangulationAlgorithm.DTSweep));
P2T.Triangulate(floorPolygon);
polygonsGenerated.Add(floorPolygon);
}
return polygonsGenerated;
}