//Draws a polygon given a list of Vector3 that is a closed shape
public GameObject dropPolygon(List <Vector3> shape, float height, Material material, GOUVMappingStyle uvMappingStyle)
{
GameObject polygon = new GameObject("Polygon");
MeshFilter filter = polygon.AddComponent <MeshFilter>();
MeshRenderer renderer = polygon.AddComponent <MeshRenderer>();
Poly2Mesh.Polygon poly = new Poly2Mesh.Polygon();
poly.outside = shape;
GOMesh goMesh = Poly2Mesh.CreateMeshInBackground(poly);
goMesh.uvMappingStyle = uvMappingStyle;
goMesh.ApplyUV(shape);
if (height > 0)
{
goMesh = SimpleExtruder.SliceExtrudePremesh(goMesh, height, 4f, 4f, 10f);
}
Mesh mesh = goMesh.ToSubmeshes();
filter.sharedMesh = mesh;
renderer.material = material;
polygon.AddComponent <MeshCollider> ();
return(polygon);
}
public static GOMesh PreloadLine(GOFeature feature)
{
if (feature.convertedGeometry.Count == 2 && feature.convertedGeometry[0].Equals(feature.convertedGeometry[1]))
{
return(null);
}
GOMesh preMesh = new GOMesh();
GOLineMesh lineMesh = new GOLineMesh(feature.convertedGeometry);
lineMesh.width = feature.renderingOptions.lineWidth;
preMesh = lineMesh.CreatePremesh();
if (feature.height > 0)
{
float h = feature.height;
if (GOMap.GOLink)
{
h += GOFeature.BuildingElevationOffset;
}
preMesh = SimpleExtruder.SliceExtrudePremesh(preMesh, h + Noise(), 4f, 4f, 10f);
}
if (feature.renderingOptions.outlineWidth > 0)
{
lineMesh.width = feature.renderingOptions.lineWidth + feature.layer.defaultRendering.outlineWidth;
preMesh.secondaryMesh = lineMesh.CreatePremesh();
}
return(preMesh);
}
private GOMesh MergeTempPolys(float distance)
{
foreach (GOTempPolyNew temp in polys)
{
AddPolygon(temp, temp.normal);
}
if (distance != 0f)
{
Push(distance);
}
if (bufIndices.Count == 0)
{
return(null);
}
GOMesh mesh = new GOMesh();
mesh.vertices = bufVertices.ToArray();
mesh.normals = bufNormals.ToArray();
mesh.uv = bufUVs.ToArray();
mesh.triangles = bufIndices.ToArray();
return(mesh);
}
public static GOMesh SliceExtrudePremesh(GOMesh mesh, float height, float topSectionH, float bottomSectionH, float sliceHeight)
{
if (height < sliceHeight)
{
return(ExtrudePremesh(mesh, height));
}
int numberOfSlices = (int)Mathf.Ceil((height) / sliceHeight);
sliceHeight = height / numberOfSlices;
List <Matrix4x4> extrusion = new List <Matrix4x4> ();
for (int i = numberOfSlices; i > -1; i--)
{
Vector3 pos = Vector3.zero;
pos.y = (i - 1) * sliceHeight;
Matrix4x4 mat = Matrix4x4.TRS(pos + new Vector3(0, sliceHeight, 0), Quaternion.identity, Vector3.one);
extrusion.Add(mat);
}
mesh.sliceHeight = sliceHeight;
GOMeshExtrusion.ExtrudeMesh(mesh, mesh, extrusion.ToArray(), false);
// FixPremeshUV (mesh,height);
return(mesh);
}
//Draws a line given a list of vector 3
public GameObject dropLine(List <Vector3> polyline, float witdh, float height, Material material, GOUVMappingStyle uvMappingStyle, bool curved = false)
{
GameObject line = new GameObject("Polyline");
MeshFilter filter = line.AddComponent <MeshFilter>();
MeshRenderer renderer = line.AddComponent <MeshRenderer>();
GOLineMesh lineMesh = new GOLineMesh(polyline, curved);
lineMesh.width = witdh;
lineMesh.load(line);
GOMesh goMesh = lineMesh.CreatePremesh();
goMesh.uvMappingStyle = uvMappingStyle;
if (height > 0)
{
goMesh = SimpleExtruder.SliceExtrudePremesh(goMesh, height, 4f, 4f, 10f);
}
filter.sharedMesh = goMesh.ToMesh();
renderer.material = material;
line.AddComponent <MeshCollider> ();
return(line);
}
/// <summary>
/// [ALAN GRANT] Create data for a Mesh in background containing just the FIRST triangle in the given Polygon.
/// (This is a much easier task since we can skip triangulation.)
/// </summary>
/// <returns>The freshly minted mesh.</returns>
/// <param name="polygon">Polygon you want to make a triangle of.</param>
public static GOMesh CreateTriangleInBackground(Polygon polygon)
{
// long profileID = Profiler.Enter("Poly2Mesh.CreateTriangle");
if (fullDebug)
{
Debug.Log("Poly2Mesh.CreateTriangle 1");
}
// Create the vertex array
Vector3[] vertices = new Vector3[3];
vertices[0] = polygon.outside[0];
vertices[1] = polygon.outside[1];
vertices[2] = polygon.outside[2];
// Create the indices array
int[] indices = new int[3] {
0, 1, 2
};
if (fullDebug)
{
Debug.Log("Poly2Mesh.CreateTriangle 2");
}
// Create the UV list, by looking up the closest point for each in our poly
Vector2[] uv = null;
if (polygon.outsideUVs != null)
{
uv = new Vector2[3];
for (int i = 0; i < 3; i++)
{
uv[i] = polygon.ClosestUV(vertices[i]);
}
}
if (fullDebug)
{
Debug.Log("Poly2Mesh.CreateTriangle 3");
}
// Create the mesh
if (fullDebug)
{
Debug.Log("Poly2Mesh.CreateTriangle 4");
}
GOMesh preMesh = new GOMesh();
preMesh.vertices = vertices;
preMesh.triangles = indices;
preMesh.uv = uv;
if (fullDebug)
{
Debug.Log("Poly2Mesh.CreateTriangle 5");
}
// Profiler.Exit(profileID);
return(preMesh);
}
public GameObject CreateRoofFromPreloaded(GOFeature feature, GOMesh premesh, GameObject parent)
{
GameObject roof = GameObject.Instantiate(feature.goTile.featurePrototype, parent.transform);
MeshFilter filter = roof.GetComponent <MeshFilter>();
filter.mesh = premesh.ToMesh();
return(roof);
}
public GOMesh addEdge(GOMesh mesh, Vector3 center, bool flip)
{
List <Vector3> vertices = mesh.vertices.ToList();
List <int> roadTriangles = mesh.triangles.ToList();
List <Vector2> uvs = mesh.uv.ToList();
// Vector3 center = lastSegment.center;
Vector3 normal = Vector3.down; //lastSegment.getNormal();
center = goFeature.goTile.altitudeToPoint(center);
int edgeResolution = 10; // odd number only
int vertsCount = mesh.vertices.Count();
vertices.Add(center);
int indexOfCenter = vertices.IndexOf(center);
Vector3 tangent;
if (!flip)
{
tangent = (geometry[1] - geometry[0]).normalized;
}
else
{
tangent = (geometry [geometry.Count - 1] - geometry [geometry.Count - 2]).normalized;
}
List <Vector3> points = FindPoints(center, tangent, normal, width, edgeResolution, flip);
vertices.AddRange(points);
for (int i = 1; i <= points.Count; i++)
{
roadTriangles.Add(i + vertsCount);
roadTriangles.Add(i + vertsCount - 1);
roadTriangles.Add(indexOfCenter);
}
uvs.Add(new Vector2(0.5f, 0.5f));
for (int i = 0; i < edgeResolution; i++)
{
float n = i == edgeResolution - 1? i / (float)edgeResolution : i - 1 / (float)edgeResolution;
float u = Mathf.Sin(180 * n * Mathf.Deg2Rad) / edgeResolution;
float v = Mathf.Cos(180 * n * Mathf.Deg2Rad) / 2;
uvs.Add(new Vector2(u, v));
}
mesh.vertices = vertices.ToArray();
mesh.triangles = roadTriangles.ToArray();
mesh.uv = uvs.ToArray();
return(mesh);
}
public GameObject CreateRoofFromPreloaded(GOMesh premesh)
{
GameObject roof = new GameObject();
MeshFilter filter = roof.AddComponent <MeshFilter>();
roof.AddComponent(typeof(MeshRenderer));
filter.mesh = premesh.ToMesh();
return(roof);
}
public GOMesh CreatePremesh()
{
UpdateVertices();
GOMesh premesh = new GOMesh();
premesh.vertices = vertices;
premesh.triangles = triangles;
premesh.uv = uvs;
return(premesh);
}
public Mesh groundMesh()
{
updateVertices();
GOMesh goMesh = flatTerrainMesh();
if (goMesh == null)
{
return(null);
}
return(goMesh.ToMesh());
}
public static GOMesh PreloadLine(GOFeature feature)
{
if (feature.convertedGeometry.Count == 2 && feature.convertedGeometry[0].Equals(feature.convertedGeometry[1]))
{
return(null);
}
GOMesh preMesh = new GOMesh();
GOLineMesh lineMesh = new GOLineMesh(feature, true);
lineMesh.width = feature.renderingOptions.lineWidth * feature.goTile.worldScale;
preMesh = lineMesh.CreatePremesh();
feature.isLoop = lineMesh.isLoop;
// GORoad road = new GORoad (feature, 25, 1, 0);
// road.computeRoad ();
// preMesh = road.goMesh;
if (feature.goTile.useElevation && feature.height == 0)
{
feature.height += GOFeature.RoadsHeightForElevation;
}
if (feature.height > 0)
{
float h = feature.height * feature.goTile.worldScale;
if (feature.goTile.useElevation)
{
h += GOFeature.BuildingElevationOffset;
}
preMesh = SimpleExtruder.ExtrudePremesh(preMesh, h + Noise(), false);
}
if (feature.renderingOptions.outlineWidth > 0 && !feature.goTile.useElevation)
{
lineMesh.width = (feature.renderingOptions.lineWidth + feature.layer.defaultRendering.outlineWidth) * feature.goTile.worldScale;
preMesh.secondaryMesh = lineMesh.CreatePremesh();
if (feature.height > 0)
{
float h = feature.height * feature.goTile.worldScale;
if (feature.goTile.useElevation)
{
h += GOFeature.BuildingElevationOffset;
}
preMesh.secondaryMesh = SimpleExtruder.ExtrudePremesh(preMesh.secondaryMesh, h + Noise(), false);
}
}
return(preMesh);
}
public static GOMesh ExtrudePremesh(GOMesh mesh, float height)
{
Matrix4x4 [] extrusionPath = new Matrix4x4 [2];
Matrix4x4 a = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, Vector3.one);
Matrix4x4 b = Matrix4x4.TRS(Vector3.zero + new Vector3(0, height, 0), Quaternion.identity, Vector3.one);
extrusionPath [0] = b;
extrusionPath [1] = a;
GOMeshExtrusion.ExtrudeMesh(mesh, mesh, extrusionPath, false);
mesh.sliceHeight = height;
// FixPremeshUV (mesh,height);
return(mesh);
}
public GOMesh flatTerrainMesh()
{
GOMesh mesh = new GOMesh();
mesh.vertices = vertices.ToArray();
mesh.triangles = new int[] {
0, 1, 2,
0, 2, 3
};
mesh.uv = new Vector2[] {
new Vector2(0, 0),
new Vector2(0, 1),
new Vector2(1, 1),
new Vector2(1, 0)
};
return(mesh);
}
//Outlined polygons are flat by nature and surrounded by an Outline just like roads
public static GOMesh PreloadOutlinedPolygon(GOFeature feature)
{
if (feature.convertedGeometry == null)
{
return(null);
}
if (feature.convertedGeometry.Count == 2 && feature.convertedGeometry[0].Equals(feature.convertedGeometry[1]))
{
return(null);
}
GOMesh fillMesh = PreloadPolygon(feature);
GOMesh outlineMesh = PreloadLine(feature);
fillMesh.secondaryMesh = outlineMesh;
return(fillMesh);
}
public GOMesh CreatePremesh()
{
UpdateVertices();
GOMesh premesh = new GOMesh();
premesh.vertices = vertices;
premesh.triangles = triangles;
premesh.uv = uvs;
if (!isLoop && goFeature != null)
{
premesh = addEdge(premesh, geometry [geometry.Count - 1], true);
premesh = addEdge(premesh, geometry [0], false);
}
return(premesh);
}
public GOMesh ProjectFeature(GOFeature feature, GOMesh terrainMesh, float distance)
{
Vector3[] vertices = terrainMesh.vertices;
int[] triangles = terrainMesh.triangles;
GOTempPolyNew poly;
ComputeFeatureRanges(feature);
for (int i = 0; i < triangles.Length; i += 3)
{
int i1 = triangles[i];
int i2 = triangles[i + 1];
int i3 = triangles[i + 2];
Vector3 v1 = feature.goTile.position + vertices [i1];
Vector3 v2 = feature.goTile.position + vertices [i2];
Vector3 v3 = feature.goTile.position + vertices [i3];
Vector3 side1 = v2 - v1;
Vector3 side2 = v3 - v1;
Vector3 normal = Vector3.Cross(side1, side2).normalized;
poly = new GOTempPolyNew(v1, v2, v3);
poly.normal = normal;
poly.indices.AddRange(new int[] { i1, i2, i3 });
poly.xRange = xRange;
poly.zRange = zRange;
// Profiler.BeginSample ("Wrap Polygon");
poly = poly.WrapPolygon(feature.convertedGeometry.ToArray(), terrainMesh);
// Profiler.EndSample ();
if (poly == null)
{
continue;
}
polys.Add(poly);
}
return(MergeTempPolys(distance));
}
public static GOMesh PreloadMesh()
{
if (bufIndices.Count == 0)
{
return(null);
}
GOMesh mesh = new GOMesh();
mesh.vertices = bufVertices.ToArray();
mesh.normals = bufNormals.ToArray();
mesh.uv = bufTexCoords.ToArray();
mesh.triangles = bufIndices.ToArray();
bufVertices.Clear();
bufNormals.Clear();
bufTexCoords.Clear();
bufIndices.Clear();
return(mesh);
}
private static void FixPremeshUV(GOMesh mesh, float sliceH)
{
var newUvs = new Vector2[mesh.vertices.Length];
// Debug.Log (sliceH);
Vector3 clippedPart = Vector3.zero;
Vector3[] vertices = mesh.vertices;
Vector3 vertex;
Vector3 normal;
for (var v = 0; v < vertices.Length; v++)
{
vertex = vertices[v];
// normal = new Vector3 (0.1f,0,0.1f);
float textureSlice = 0.25f; //a quarter of image
float sliceHOriginal = 10f;
clippedPart.x = textureSlice * (sliceHOriginal / sliceH);
// This gives a vector pointing up the roof:
//Vector3 vAxis = Vector3.Scale(normal, new Vector3(-1, 0, -1)).normalized;
Vector3 vAxisProto = Vector3.Scale(vertex, new Vector3(1, 1, 1));
// This will make the u axis perpendicular to the v axis (ie. parallel to the roof edge)
Vector3 uAxis = new Vector3(vAxisProto.z, 0, -vAxisProto.x);
// I originally used vAxis here, but changed to position.y so you get more predticable alignment at edges.
// Set eaveHeight to the y coordinate of the bottom edge of the roof.
// var uv = new Vector2(Vector3.Dot(vertex, uAxis), vertex.y) ;
Vector2 uv = new Vector2(Vector3.Dot(vertex, vAxisProto) * clippedPart.x + clippedPart.z, vertex.y * clippedPart.x + clippedPart.y);
//var uv = new Vector2(Vector3.Dot(vertex, uAxis), vertex.y * clippedPart.x + clippedPart.y) ;
newUvs[v] = uv;
}
mesh.uv = newUvs;
}
private static void FixPremeshUV(GOMesh mesh, float height)
{
var newUvs = new Vector2[mesh.vertices.Length];
Vector3 clippedPart = Vector3.zero;
Vector3[] vertices = mesh.vertices;
Vector3 vertex;
Vector3 neg = new Vector3(-1, 0, -1);
Vector3 uAxis = Vector3.zero;
Vector2 uv = Vector3.zero;
float textureSlice = 0.25f; //a quarter of image
float formula = textureSlice * (mesh.heightOriginal / mesh.sliceHeight) / 10;
for (var v = 0; v < vertices.Length; v++)
{
vertex = vertices[v];
// if (vertex.y == height) {
// newUvs[v] = new Vector2(vertex.x, vertex.z)*0.1f;
// continue;
// }
clippedPart.x = formula;
Vector3 vAxis = neg.normalized;
// This will make the u axis perpendicular to the v axis (ie. parallel to the roof edge)
uAxis.x = vAxis.z;
uAxis.z = -vAxis.x;
uv.x = Vector3.Dot(vertex, uAxis) * clippedPart.x + clippedPart.z;
uv.y = vertex.y * clippedPart.x + clippedPart.y;
newUvs[v] = uv;
}
mesh.uv = newUvs;
}
public GOTempPolyNew WrapPolygon(Vector3[] convertedGeometry, GOMesh terrainMesh)
{
bool[] positive = new bool[vertices.Count];
int positiveCount = 0;
for (int i = 0; i < vertices.Count; i++)
{
positive [i] = ContainsPoint2D(convertedGeometry, vertices[i]);
if (positive [i])
{
positiveCount++;
}
}
if (positiveCount == 0)
{
return(null); // Fully outside the shape
}
return(this); // Return all polygon that are partially inside the shape
}
public static GOMesh CreateGrid (float size, int resolution) {
resolution++;
GOMesh goMesh = new GOMesh ();
float factor = (size / (resolution - 1));
List<Vector3> vertices = new List<Vector3> ();
List<int> triangles = new List<int> ();
List<Vector2> uv = new List<Vector2> ();
for (int i = 0; i < resolution; i++) {
for (int j = 0; j < resolution; j++) {
Vector3 vert = new Vector3 (factor * j, 0, factor * i) + new Vector3 (-size/2, 0 , -size/2);
vertices.Add (vert);
uv.Add (new Vector2 (vert.x,vert.z)/ (size/4)) ;
if (i == 0 || j == 0) {
continue;
}
List<int> tris = new List<int> {
resolution * (i-1) + (j-1), resolution*i + (j-1), resolution * i + j,
resolution*(i-1) +j, resolution * (i-1) + (j-1), resolution * i + j,
};
triangles.AddRange (tris);
}
}
goMesh.vertices = vertices.ToArray ();
goMesh.triangles = triangles.ToArray ();
goMesh.uv = uv.ToArray ();
return goMesh;
}
public static void ProjectFeature(GOFeature feature, GOMesh terrainMesh, float maxAngle)
{
Profiler.BeginSample("Project feature");
Vector3[] vertices = terrainMesh.vertices;
int[] triangles = terrainMesh.triangles;
GOTempPoly poly;
for (int i = 0; i < triangles.Length; i += 3)
{
int i1 = triangles[i];
int i2 = triangles[i + 1];
int i3 = triangles[i + 2];
Vector3 v1 = feature.goTile.position + vertices [i1];
Vector3 v2 = feature.goTile.position + vertices [i2];
Vector3 v3 = feature.goTile.position + vertices [i3];
Vector3 side1 = v2 - v1;
Vector3 side2 = v3 - v1;
Vector3 normal = Vector3.Cross(side1, side2).normalized;
////
// if( Vector3.Angle(-Vector3.forward, normal) >= maxAngle )
// continue;
//
poly = new GOTempPoly(v1, v2, v3);
poly = GOTempPoly.WrapPolygon(poly, feature.convertedGeometry.ToArray(), terrainMesh);
if (poly == null)
{
continue;
}
AddPolygon(poly, normal);
}
Profiler.EndSample();
}
public static GOMesh SliceExtrudePremesh(GOMesh mesh, float height, float topSectionH, float bottomSectionH, float sliceHeight)
{
if (height < sliceHeight)
{
return(ExtrudePremesh(mesh, height));
}
int numberOfSlices = (int)Mathf.Ceil((height) / sliceHeight);
sliceHeight = height / numberOfSlices;
mesh.sliceHeight = sliceHeight;
mesh.heightOriginal = sliceHeight;
List <Matrix4x4> extrusion = new List <Matrix4x4> ();
for (int i = numberOfSlices; i > -1; i--)
{
float h = sliceHeight;
Vector3 pos = Vector3.zero;
pos.y = (i - 1) * h;
Matrix4x4 mat = Matrix4x4.TRS(pos + new Vector3(0, h, 0), Quaternion.identity, Vector3.one);
extrusion.Add(mat);
if (numberOfSlices % 2 == 0 && i == 1 && mesh.uvMappingStyle == GOUVMappingStyle.TopFitSidesSliced)
{
extrusion.Add(mat);
}
}
GOMeshExtrusion.ExtrudeMesh(mesh, mesh, extrusion.ToArray(), false);
//FixPremeshUV (mesh, height);
return(mesh);
}
public static GOMesh Preload3DPolygon(GOFeature feature)
{
if (feature.convertedGeometry == null)
{
return(null);
}
if (feature.convertedGeometry.Count == 2 && feature.convertedGeometry[0].Equals(feature.convertedGeometry[1]))
{
return(null);
}
List <Vector3> clean = feature.convertedGeometry.Distinct().ToList();
if (clean == null || clean.Count <= 2)
{
return(null);
}
GOFeature3DMeshBuilderNew b = new GOFeature3DMeshBuilderNew();
GOMesh preMesh = b.ProjectFeature(feature, feature.goTile.goMesh, 0);
return(preMesh);
}
public static GOMesh PreloadPolygon(GOFeature feature)
{
if (feature.convertedGeometry == null)
{
return(null);
}
if (feature.convertedGeometry.Count == 2 && feature.convertedGeometry[0].Equals(feature.convertedGeometry[1]))
{
return(null);
}
List <Vector3> clean = feature.convertedGeometry.Distinct().ToList();
if (clean == null || clean.Count <= 2)
{
return(null);
}
Poly2Mesh.Polygon poly = new Poly2Mesh.Polygon();
poly.outside = feature.convertedGeometry;
if (feature.clips != null)
{
foreach (List <Vector3> clipVerts in feature.clips)
{
poly.holes.Add(clipVerts);
}
}
GOMesh goMesh = null;
goMesh = Poly2Mesh.CreateMeshInBackground(poly);
if (goMesh != null)
{
goMesh.uvMappingStyle = feature.layer.uvMappingStyle;
goMesh.ApplyUV(feature.convertedGeometry);
goMesh.Y = feature.y;
if (feature.goTile.useElevation)
{
feature.ComputeHighestAltitude();
}
if (feature.height > 0)
{
feature.height *= feature.goTile.worldScale;
goMesh.secondaryMesh = new GOMesh(goMesh);
float h = feature.height;
if (feature.goTile.useElevation)
{
h += GOFeature.BuildingElevationOffset;
}
h += Noise();
goMesh.separateTop = feature.renderingOptions.hasRoof;
if (feature.layer.slicedExtrusion)
{
goMesh = SimpleExtruder.SliceExtrudePremesh(goMesh, h, 4f, 4f, 10f * feature.goTile.worldScale);
}
else
{
goMesh = SimpleExtruder.ExtrudePremesh(goMesh, h);
}
}
if (feature.height < feature.layer.colliderHeight)
{
float h = feature.layer.colliderHeight;
h *= feature.goTile.worldScale;
if (feature.goTile.useElevation)
{
h += GOFeature.BuildingElevationOffset;
}
goMesh.secondaryMesh = new GOMesh(goMesh);
goMesh.secondaryMesh = SimpleExtruder.SliceExtrudePremesh(goMesh.secondaryMesh, h, 4f, 4f, 10f * feature.goTile.worldScale);
}
}
return(goMesh);
}
public static GOMesh PreloadPolygon(GOFeature feature)
{
if (feature.convertedGeometry == null)
{
return(null);
}
if (feature.convertedGeometry.Count == 2 && feature.convertedGeometry[0].Equals(feature.convertedGeometry[1]))
{
return(null);
}
List <Vector3> clean = feature.convertedGeometry.Distinct().ToList();
if (clean == null || clean.Count <= 2)
{
return(null);
}
Poly2Mesh.Polygon poly = new Poly2Mesh.Polygon();
poly.outside = feature.convertedGeometry;
if (feature.clips != null)
{
foreach (List <Vector3> clipVerts in feature.clips)
{
poly.holes.Add(clipVerts);
}
}
GOMesh preMesh = null;
preMesh = Poly2Mesh.CreateMeshInBackground(poly);
if (preMesh != null)
{
// if (feature.layer.layerType != GOLayer.GOLayerType.Buildings) {
Vector2[] uvs = new Vector2[preMesh.vertices.Length];
Vector3[] vertices = preMesh.vertices;
for (int i = 0; i < uvs.Length; i++)
{
uvs [i] = new Vector2(vertices [i].x, vertices [i].z) * 0.01f;
}
preMesh.uv = uvs;
// }
if (feature.goTile.useElevation)
{
feature.ComputeHighestAltitude();
}
// feature.height += GOFeature.BuildingElevationOffset;
if (feature.height > 0)
{
feature.height *= feature.goTile.worldScale;
preMesh.secondaryMesh = new GOMesh(preMesh);
float h = feature.height;
if (feature.goTile.useElevation)
{
h += GOFeature.BuildingElevationOffset;
}
h += Noise();
preMesh.separateTop = feature.renderingOptions.hasRoof;
preMesh = SimpleExtruder.SliceExtrudePremesh(preMesh, h, 4f, 4f, 10f * feature.goTile.worldScale);
}
}
return(preMesh);
}
public virtual IEnumerator CreatePolygon (GOTile tile, bool delayedLoad)
{
Profiler.BeginSample ("[GOFeature] CreatePolygon ALLOC");
GOFeatureMeshBuilder builder = new GOFeatureMeshBuilder(this);
Profiler.EndSample ();
Profiler.BeginSample ("[GOFeature] CreatePolygon Material");
//Materials
Material material = tile.GetMaterial(renderingOptions,builder.center);
Material roofMat = renderingOptions.roofMaterial;
if (sort != 0) {
if (material)
material.renderQueue = -(int)sort;
if (roofMat)
roofMat.renderQueue = -(int)sort;
}
Profiler.EndSample ();
Profiler.BeginSample ("[GOFeature] CreatePolygon Center");
//Group buildings by center coordinates
if (layer.layerType == GOLayer.GOLayerType.Buildings && defaultRendering) {
GameObject centerContainer = tile.findNearestCenter(builder.center,parent,material);
parent = centerContainer;
material = centerContainer.GetComponent<GOMatHolder> ().material;
}
Profiler.EndSample();
if (!layer.useRealHeight) {
height = renderingOptions.polygonHeight;
}
int offset = 0;
float trueHeight = height;
#if GOLINK
if (GOMap.GOLink) {
trueHeight += BuildingElevationOffset;
//[GOLINK] GOTerrain link (This requires GOTerrain! https://www.assetstore.unity3d.com/#!/content/84198)
if (tile.map.goTerrain != null) {
offset = BuildingElevationOffset;
if (y < offset)
y = tile.map.goTerrain.FindAltitudeForVector(builder.center)-offset;
}
}
#endif
Profiler.BeginSample ("[GOFeature] CreatePolygon MESH");
GameObject polygon = null;
if (preloadedMeshData != null)
polygon = builder.BuildPolygonFromPreloaded(this);
else if (tile.map.mapType == GOMap.GOMapType.MapzenJson) //ONLY FOR JSON
polygon = builder.BuildPolygon(layer,trueHeight+offset);
Profiler.EndSample ();
if (polygon == null)
yield break;
polygon.name = name;
polygon.transform.parent = parent.transform;
//Layer mask
if (layer.useLayerMask == true) {
tile.AddObjectToLayerMask (layer, polygon);
}
if (renderingOptions.tag.Length > 0) {
polygon.tag = renderingOptions.tag;
}
if (layer.useRealHeight && roofMat != null) {
Profiler.BeginSample ("[GOFeature] CreatePolygon ROOF");
GameObject roof;
if (preloadedMeshData != null && preloadedMeshData.secondaryMesh != null)
roof = builder.CreateRoofFromPreloaded (preloadedMeshData.secondaryMesh);
else roof = builder.CreateRoof();
roof.name = "roof";
roof.transform.parent = polygon.transform;
roof.GetComponent<MeshRenderer> ().material = roofMat;
roof.transform.position = new Vector3 (roof.transform.position.x,trueHeight+0.11f,roof.transform.position.z);
roof.tag = polygon.tag;
roof.layer = polygon.layer;
Profiler.EndSample ();
}
Profiler.BeginSample ("[GOFeature] TRANSFORM");
Vector3 pos = polygon.transform.position;
pos.y = y;
if (layer.layerType == GOLayer.GOLayerType.Buildings)
y += GOFeatureMeshBuilder.Noise ();
polygon.transform.position = pos;
polygon.transform.localPosition = pos;
GOFeatureBehaviour fb = polygon.AddComponent<GOFeatureBehaviour> ();
fb.goFeature = this;
builder.meshRenderer.material = material;
if (layer.OnFeatureLoad != null) {
layer.OnFeatureLoad.Invoke(builder.mesh,layer,kind, builder.center);
}
Profiler.EndSample ();
preloadedMeshData = null;
if (delayedLoad)
yield return null;
}
public GOMesh elevatedTerrainMesh()
{
GODEMTexture2D terrainTex = getTerrainData();
GODEMTexture2D normalTex = getNormalsData();
GOMesh terrainMesh = new GOMesh();
terrainMesh.name = "Elevated terrain - " + name;
Vector3[] vertices;
Vector3[] normals;
Color[] colors;
Vector2 offset = Vector2.zero;
vertices = new Vector3[(((int)resolution.x + 1) * ((int)resolution.y + 1))];
colors = new Color[vertices.Length];
normals = new Vector3[vertices.Length];
Vector2[] uv = new Vector2[vertices.Length];
float stepSizeWidth = tileSize.x / resolution.x;
float stepSizeHeight = tileSize.y / resolution.y;
for (int v = 0, z = 0; z < (int)resolution.y + 1; z++)
{
for (int x = 0; x < (int)resolution.x + 1; x++)
{
Color32 c32 = terrainTex.calculateColor(new Vector2(x, z), offset, resolution);
float height = terrainTex.ConvertColorToAltitude(c32);
height = height * elevationMultiplier;
vertices[v] = new Vector3(x * stepSizeWidth + offset.x, height, z * stepSizeHeight + offset.y);
vertices [v] -= new Vector3(tileSize.x / 2, 0, tileSize.y / 2);
colors [v] = c32;
if (normalTex != null)
{
Color32 c32Normal = normalTex.calculateColor(new Vector2(x, z), offset, resolution);
normals [v] = new Vector3(c32Normal.r, c32Normal.g, c32Normal.b);
}
else
{
normals [v] = Vector3.up;
}
uv[v] = new Vector2(x / resolution.x, z / resolution.y);
v++;
}
}
for (int v = 0, z = 0; z < (int)resolution.y + 1; z++)
{
for (int x = 0; x < (int)resolution.x + 1; x++)
{
if (topTile != null && topTile.goMesh != null && z == (int)resolution.y)
{
int pos = x;
vertices [v] = TrasformVectorReferences(this, topTile, topTile.goMesh.vertices[pos]);
}
if (leftTile != null && leftTile.goMesh != null && x == 0)
{
int pos = (z + 1) * (int)resolution.x + z;
vertices [v] = TrasformVectorReferences(this, leftTile, leftTile.goMesh.vertices[pos]);
}
if (rightTile != null && rightTile.goMesh != null && x == (int)resolution.x)
{
int pos = z * ((int)resolution.x + 1);
vertices [v] = TrasformVectorReferences(this, rightTile, rightTile.goMesh.vertices[pos]);
}
if (bottomTile != null && bottomTile.goMesh != null && z == 0)
{
int pos = bottomTile.goMesh.vertices.Count() - ((int)resolution.x + 1) + x;
vertices [v] = TrasformVectorReferences(this, bottomTile, bottomTile.goMesh.vertices[pos]);
}
v++;
}
}
int[] triangles = new int[((int)resolution.x) * ((int)resolution.y) * 2 * 3];
float[] heightCheck = new float [6];
for (int v = 0, t = 0, z = 0; z < (int)resolution.y; z++, t++)
{
for (int x = 0; x < (int)resolution.x; x++, v += 6, t++)
{
triangles [v] = t;
triangles [v + 1] = t + (int)resolution.x + 1;
triangles [v + 2] = t + 1;
triangles [v + 3] = t + 1;
triangles [v + 4] = t + (int)resolution.x + 1;
triangles [v + 5] = t + (int)resolution.x + 2;
//Checks spike map errors
heightCheck[0] = vertices [triangles [v]].y;
heightCheck[1] = vertices [triangles [v + 1]].y;
heightCheck[2] = vertices [triangles [v + 2]].y;
heightCheck[3] = vertices [triangles [v + 3]].y;
heightCheck[4] = vertices [triangles [v + 4]].y;
heightCheck[5] = vertices [triangles [v + 5]].y;
float mean = 0.0f;
float meanAbs = 0.0f;
float standardDeviation = 0.0f;
foreach (float height in heightCheck)
{
mean += height / 6.0f;
meanAbs += Mathf.Abs(height) / 6.0f;
standardDeviation += (height * height);
}
standardDeviation = standardDeviation / 6.0f;
float variance = standardDeviation;
standardDeviation = Mathf.Sqrt(variance);
float newMean = 0.0f;
int meanCount = 0;
for (int i = 0; i < heightCheck.Count(); i++)
{
if (variance > 100 && Mathf.Abs(heightCheck [i]) > standardDeviation + meanAbs)
{
// CreateDebugSphere ( vertices[triangles[v+i]] + Vector3.up,"spikes STD" + standardDeviation + " " + variance,10,null);
}
else
{
meanCount++;
newMean += heightCheck [i];
}
}
newMean = newMean / meanCount;
for (int i = 0; i < heightCheck.Count(); i++)
{
if (variance > 200 && Mathf.Abs(heightCheck [i]) > standardDeviation + meanAbs)
{
vertices [triangles [v + i]] = new Vector3(vertices [triangles [v + i]].x, newMean, vertices [triangles [v + i]].z);
}
}
}
}
terrainMesh.vertices = vertices;
terrainMesh.normals = normals;
terrainMesh.uv = uv;
terrainMesh.triangles = triangles;
goMesh = terrainMesh;
return(goMesh);
}
public virtual IEnumerator CreatePolygon(GOTile tile, bool delayedLoad)
{
//
// if (layer.layerType == GOLayer.GOLayerType.Buildings && name != "Whitehall Building Annex")
// yield break;
Profiler.BeginSample("[GOFeature] CreatePolygon ALLOC");
GOFeatureMeshBuilder builder = new GOFeatureMeshBuilder(this);
this.featureCenter = new Vector3(2, builder.center.y, 8); //new Vector3 (builder.center.x, builder.center.y, builder.center.z);
Profiler.EndSample();
Material material = null;
Material roofMat = null;
if (layer.layerType == GOLayer.GOLayerType.Buildings && defaultRendering && renderingOptions.materials.Length != 0)
{
Profiler.BeginSample("[GOFeature] CreatePolygon Center");
GOCenterContainer centerContainer = tile.findNearestCenter(builder.center, parent);
Profiler.EndSample();
if (centerContainer.material == null)
{
Profiler.BeginSample("[GOFeature] CreatePolygon Material");
centerContainer.material = tile.GetMaterial(renderingOptions, builder.center);
centerContainer.secondaryMaterial = renderingOptions.roofMaterial;
Profiler.EndSample();
}
material = centerContainer.material;
roofMat = centerContainer.secondaryMaterial;
}
else
{
Profiler.BeginSample("[GOFeature] CreatePolygon Material");
//Materials
material = tile.GetMaterial(renderingOptions, builder.center);
roofMat = renderingOptions.roofMaterial;
Profiler.EndSample();
}
if (sort != 0)
{
if (material)
{
material.renderQueue = -(int)sort;
}
if (roofMat)
{
roofMat.renderQueue = -(int)sort;
}
}
if (!layer.useRealHeight)
{
height = renderingOptions.polygonHeight;
}
float offset = 0;
float trueHeight = height;
if (goTile.useElevation && layer.layerType == GOLayer.GOLayerType.Buildings)
{
trueHeight += BuildingElevationOffset;
offset = BuildingElevationOffset;
if (y < offset)
{
y = highestAltitudeVertex - offset + 0.5f;
}
// y = goTile.altitudeForPoint(builder.center)-offset+0.5f;
}
Profiler.BeginSample("[GOFeature] CreatePolygon MESH");
GameObject polygon = null;
if (preloadedMeshData != null)
{
polygon = builder.BuildPolygonFromPreloaded(this, parent);
}
Profiler.EndSample();
if (polygon == null)
{
yield break;
}
polygon.name = name;
//Layer mask
if (layer.useLayerMask == true)
{
tile.AddObjectToLayerMask(layer, polygon);
}
if (renderingOptions.tag.Length > 0)
{
polygon.tag = renderingOptions.tag;
}
if (renderingOptions.hasRoof)
{
Material[] mats = new Material[2];
mats [0] = material;
mats [1] = roofMat;
MeshRenderer mr = polygon.GetComponent <MeshRenderer> ();
mr.shadowCastingMode = layer.castShadows;
mr.materials = mats;
}
else
{
builder.meshRenderer.material = material;
builder.meshRenderer.shadowCastingMode = layer.castShadows;
}
Profiler.BeginSample("[GOFeature] TRANSFORM");
Vector3 pos = polygon.transform.position;
pos.y = y;
if (layer.layerType == GOLayer.GOLayerType.Buildings)
{
y += GOFeatureMeshBuilder.Noise();
}
polygon.transform.position = pos;
polygon.transform.localPosition = pos;
if (goTile.addGoFeatureComponents)
{
GOFeatureBehaviour fb = polygon.AddComponent <GOFeatureBehaviour> ();
fb.goFeature = this;
}
if (layer.OnFeatureLoad != null)
{
layer.OnFeatureLoad.Invoke(this, polygon);
}
Profiler.EndSample();
preloadedMeshData = null;
if (delayedLoad)
{
yield return(null);
}
}