private void GenerateBuilding(Vector3[] vertices, float height)
{
var isClockwise = SimCoordinatesUtils.PolygonIsClockwise(vertices);
Mesh newMesh = new Mesh();
GameObject building = new GameObject("Building");
GameObject shapes = new GameObject("Shapes");
building.transform.parent = mainObject.transform;
building.transform.position = mainObject.transform.position;
shapes.transform.parent = building.transform;
shapes.AddComponent <MeshFilter>();
shapes.AddComponent <MeshRenderer>();
shapes.transform.position = new Vector3(0, 0, 0);
shapes.GetComponent <MeshFilter>().mesh = newMesh;
shapes.GetComponent <MeshRenderer>().material = this.material;
CombineInstance[] combine = new CombineInstance[vertices.Length];
Vector3[] extrudedVertices = new Vector3[vertices.Length];
int[] triangles;
for (int i = 0; i < vertices.Length; i++)
{
extrudedVertices[i] = new Vector3(vertices[i].x, vertices[i].y + height, vertices[i].z);
if (i > 0)
{
if (isClockwise)
{
triangles = new int[6] {
0, 2, 1, 2, 3, 1
};
}
else
{
triangles = new int[6] {
0, 1, 2, 2, 1, 3
};
}
Mesh face = new Mesh
{
vertices = new Vector3[] { vertices[i - 1], extrudedVertices[i - 1], vertices[i], extrudedVertices[i] },
triangles = triangles,
};
combine[i - 1].mesh = face;
combine[i - 1].transform = building.transform.localToWorldMatrix;
}
}
combine[vertices.Length - 1].mesh = GenerateRoof(extrudedVertices);
combine[vertices.Length - 1].transform = building.transform.localToWorldMatrix;
newMesh.CombineMeshes(combine);
newMesh.RecalculateNormals();
}
public void CreateEnvironment(Coords worldPoint, int worldRadius, Vector3 editorPoint, float height, int editorRadius)
{
SetupGOInstance(editorPoint);
var square = CoordinatesUtils.SquareFromCenter((worldPoint.Latitude, worldPoint.Longitude), worldRadius);
var squareSim = CoordinatesUtils.SquareFromCenterSim(new Vector3(0, 0, 0), editorRadius);
var tile = new Tile(square[2], square[0], squareSim[2], squareSim[0]);
// Retrieve data from API only if necessary
var data = SessionState.GetString("prev_environment", "");
if (SettingsHaveChanged(worldPoint, worldRadius, height) == true)
{
SessionState.SetFloat("prev_latitude", worldPoint.Latitude);
SessionState.SetFloat("prev_longitude", worldPoint.Longitude);
SessionState.SetInt("prev_radius", worldRadius);
SessionState.SetFloat("prev_editor_heigh", height);
data = Overpass.GetBuildingsInArea(tile);
}
var dataObj = JsonConvert.DeserializeObject <DataProperties>(data);
SessionState.SetString("prev_environment", data);
foreach (Elements elem in dataObj.elements)
{
Vector3[] points = new Vector3[elem.geometry.Length];
for (int i = 0; i < elem.geometry.Length; i++)
{
Coords geoPoint = new Coords(elem.geometry[i].lat, elem.geometry[i].lon);
Vector3 simPoint = SimCoordinatesUtils.GPSToSim(geoPoint, tile);
points[i] = simPoint;
}
GenerateBuilding(points, height);
}
}
