void Start()
{
////to get a nice and clear mesh without too many points close to each other
//make a mesh which has a high autoweld threshold. Too high to be a visual mesh - it will leave gaps
//work out what edges are on the outside
MeshFilter meshFilter = GetComponent <MeshFilter>();
Mesh mesh = meshFilter.mesh;
autoWeldedMesh = new Mesh();
autoWeldedMesh = mesh;
autoWeldedMesh = AutoWeld.AutoWeldFunction(autoWeldedMesh, 1, 2000);
// meshFilter.mesh = autoWeldedMesh;
// outline = BuildManifoldEdges(meshFilter.mesh);
//use the EdgeHelpers static class to work out the boundary could also be called in BushesForCell?
boundaryPath = EdgeHelpers.GetEdges(autoWeldedMesh.triangles).FindBoundary().SortEdges();
//use this new glued emsh to create a ring of edge points
//fills pointsOnEdge
CreateListOfEdgePoints(autoWeldedMesh);
//PathOnEdge(boundaryPath);
}
//private Mesh m_Mesh;
// Use this for initialization
void Start()
{
enemyMaterials = GetComponent <MeshFilter>();
Vector3[] vertices = enemyMaterials.mesh.vertices;
var boundaryPath = EdgeHelpers.GetEdges(enemyMaterials.mesh.triangles).FindBoundary().SortEdges();
Vector3[] yourVectors = new Vector3[boundaryPath.Count];
for (int i = 0; i < boundaryPath.Count; i++)
{
yourVectors[i] = vertices[boundaryPath[i].v2];
m_MeshVertices.Add(yourVectors[i]);
}
// create new colors array where the colors will be created.
Color[] colors = new Color[m_MeshVertices.Count];
Debug.Log(m_MeshVertices.Count);
for (int i = 0; i < m_MeshVertices.Count; i++)
{
colors[i] = Color.Lerp(Color.white, Color.clear, m_MeshVertices[i].x);
//colors[i] = Color.Lerp(Color.white, Color.clear, enemyMaterials.mesh.vertices[i].z);
}
//enemyMaterials.mesh.Clear();
// assign the array of colors to the Mesh.
enemyMaterials.mesh.colors = colors;
}
List <Vector3> OutsidePath(Mesh weldedMesh)
{
List <Vector3> borderPoints = new List <Vector3>();
List <EdgeHelpers.Edge> boundaryPath = EdgeHelpers.GetEdges(weldedMesh.triangles).FindBoundary().SortEdges();
Vector3[] vertices = weldedMesh.vertices;
//now organise these edges in two one sequential vector3 list for mesh to build from
for (int i = 1; i < boundaryPath.Count; i++)
{
borderPoints.Add(vertices[boundaryPath[i].v1]);
//we need to add the 2nd point the last edge to complete the loop
if (i == boundaryPath.Count - 1)
{
borderPoints.Add(vertices[boundaryPath[i].v2]);
}
/*
*
* GameObject c = GameObject.CreatePrimitive(PrimitiveType.Cube);
* c.transform.position = vertices[boundaryPath[i].v1];
* c.name = "1";
* Destroy(c, 3);
*
* c = GameObject.CreatePrimitive(PrimitiveType.Cube);
* c.transform.position = vertices[boundaryPath[i].v2];
* Destroy(c, 3);
* c.name = "2";
*/
}
return(borderPoints);
}
/// <summary>
/// Returns a list of ints. The edge Vertice number of the mesh passed to it.
/// </summary>
/// <param name="mesh"></param>
/// <returns></returns>
public static List <int> EdgeVertices(Mesh mesh, float threshold)
{
//returns a list of ints. Vertices numbers of the outsie of a mesh. Does not "complete the loop"
List <int> edgeVertices = new List <int>();
//use the EdgeHelpers static class to work out the boundary could also be called in BushesForCell?
List <EdgeHelpers.Edge> boundaryPath = EdgeHelpers.GetEdges(mesh.triangles).FindBoundary().SortEdges();
//use temporary array
Vector3[] vertices = mesh.vertices;
//-1, boundary edges completes the loop for us. we don't want any duplicates
for (int i = 0; i < boundaryPath.Count - 1; i++)
{
if (i == 0)
{
//add first point regardless
edgeVertices.Add(boundaryPath[i].v1);
Vector3 pos = vertices[edgeVertices[0]];
//check for duplicate on second, add if not
if (Vector3.Distance(pos, vertices[boundaryPath[i].v2]) >= threshold)
{
edgeVertices.Add(boundaryPath[i].v2);
}
}
else if (i > 0)
{
Vector3 pos = vertices[boundaryPath[i].v2];
Vector3 lastAdded = vertices[edgeVertices[edgeVertices.Count - 1]];
//check for leftover duplicate left by autoweld
//if we find one, we are done, we have made it back to the start of the loop
if (pos == vertices[edgeVertices[0]])
{
//we have found the first point. Don't add it
break;
}
//if this does not match the previous entry, add it
//autowelding the mesh doesn not delete all triangels/vertices that arent used so boundary path can get confused
//not autowelding at higher threshold- so this may not be necessary
if (Vector3.Distance(pos, lastAdded) >= threshold)
{
edgeVertices.Add(boundaryPath[i].v2);
}
// edgeVertices.Add(boundaryPath[i].v2);//anything using this now? was deform mesh stitch
}
}
return(edgeVertices);
}
private static List <Vector3> GetVertices(Mesh mesh)
{
var borders = EdgeHelpers.GetEdges(mesh.triangles, mesh.vertices).FindBoundary();
List <Vector3> vertices = new List <Vector3>();
for (int i = 0; i < borders.Count; i++)
{
vertices.Add(borders[i].v1);
vertices.Add(borders[i].v2);
}
vertices = RemoveDuplicate(vertices);
return(vertices);
}
private void DrawOutline()
{
Vector3[] vertices = mesh.vertices;
List <Edge> boundaryPath = EdgeHelpers.GetEdges(mesh.triangles).FindBoundary().SortEdges();
for (int i = 0; i < boundaryPath.Count; i++)
{
Vector3 pos = vertices[boundaryPath[i].v1];
linePoints.Add(pos);
// do something with pos
}
// linePoints = new List<Vector3>(new HashSet<Vector3>(linePoints));
linePoints = linePoints.Distinct().ToList();
// StartCoroutine(activeLine.DrawLineOutline(linePoints));
}
static List <int> GetTris(ushort[] triangles, Vector2[] vertices)
{
List <int> result = new List <int>();
// Near Face
int num_triangles = triangles.Length;
for (int i = 0; i < num_triangles; i++)
{
result.Add(triangles[i]);
}
// Far Face
for (int i = 0; i < num_triangles; i += 3)
{
result.Add(triangles[i + 2] + vertices.Length);
result.Add(triangles[i + 1] + vertices.Length);
result.Add(triangles[i] + vertices.Length);
}
// Sides of mesh
int[] tris = Array.ConvertAll(triangles, i => (int)i);
List <EdgeHelpers.Edge> edges = EdgeHelpers.GetEdges(tris);
List <EdgeHelpers.Edge> boundary = EdgeHelpers.FindBoundary(edges).SortEdges();
for (int i = 0; i < boundary.Count; i++)
{
EdgeHelpers.Edge edge = boundary[i];
int vertex1 = edge.v1; // Near #1
int vertex2 = edge.v2; // Near #2
int vertex3 = edge.v1 + vertices.Length; // Far #1
int vertex4 = edge.v2 + vertices.Length; // Far #2
// Triangle 1
result.Add(vertex1);
result.Add(vertex3);
result.Add(vertex2);
// Triangle 2
result.Add(vertex2);
result.Add(vertex3);
result.Add(vertex4);
}
return(result);
}
public List <EdgeHelpers.Edge> GetSideEdges(string side, MeshFilter highLOD)
{
List <EdgeHelpers.Edge> boundary = EdgeHelpers.GetEdges(highLOD.sharedMesh.triangles).FindBoundary();
List <EdgeHelpers.Edge> returnEdges = new List <EdgeHelpers.Edge>();
for (int i = 0; i < boundary.Count; i++)
{
if (side == "right" && highLOD.sharedMesh.vertices[boundary[i].v1].x >= 0.95 && highLOD.sharedMesh.vertices[boundary[i].v2].x >= 0.95)
{
Debug.DrawLine(highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v1]), highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v2]), Color.red, 3);
returnEdges.Add(boundary[i]);
continue;
}
if (side == "left" && highLOD.sharedMesh.vertices[boundary[i].v1].x <= -0.95 && highLOD.sharedMesh.vertices[boundary[i].v2].x <= -0.95)
{
Debug.DrawLine(highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v1]), highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v2]), Color.blue, 3);
returnEdges.Add(boundary[i]);
continue;
}
if (side == "up" && highLOD.sharedMesh.vertices[boundary[i].v1].z >= 0.95 && highLOD.sharedMesh.vertices[boundary[i].v2].z >= 0.95)
{
Debug.DrawLine(highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v1]), highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v2]), Color.magenta, 3);
returnEdges.Add(boundary[i]);
continue;
}
if (side == "down" && highLOD.sharedMesh.vertices[boundary[i].v1].z <= -0.95 && highLOD.sharedMesh.vertices[boundary[i].v2].z <= -0.95)
{
Debug.DrawLine(highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v1]), highLOD.transform.TransformPoint(highLOD.sharedMesh.vertices[boundary[i].v2]), Color.yellow, 3);
returnEdges.Add(boundary[i]);
continue;
}
}
return(returnEdges);
}
static void UpdatePolygonCollider2D(MeshFilter meshFilter)
{
if (meshFilter.sharedMesh == null)
{
Debug.LogWarning(meshFilter.gameObject.name + " has no Mesh set on its MeshFilter component!");
return;
}
PolygonCollider2D polygonCollider2D = meshFilter.GetComponent <PolygonCollider2D>();
polygonCollider2D.pathCount = 1;
List <Vector3> vertices = new List <Vector3>();
meshFilter.sharedMesh.GetVertices(vertices);
var boundaryPath = EdgeHelpers.GetEdges(meshFilter.sharedMesh.triangles).FindBoundary().SortEdges();
Vector3[] yourVectors = new Vector3[boundaryPath.Count];
for (int i = 0; i < boundaryPath.Count; i++)
{
yourVectors[i] = vertices[boundaryPath[i].v1];
}
List <Vector2> newColliderVertices = new List <Vector2>();
for (int i = 0; i < yourVectors.Length; i++)
{
newColliderVertices.Add(new Vector2(yourVectors[i].x, yourVectors[i].y));
}
Vector2[] newPoints = newColliderVertices.Distinct().ToArray();
EditorUtility.SetDirty(polygonCollider2D);
polygonCollider2D.SetPath(0, newPoints);
Debug.Log(meshFilter.gameObject.name + " PolygonCollider2D updated.");
}
private void makePolygonCollider2D(Mesh mesh)
{
if (mesh == null)
{
return;
}
PolygonCollider2D polygonCollider2D = gameObject.GetComponent <PolygonCollider2D>();
if (polygonCollider2D != null)
{
polygonCollider2D.pathCount = 1;
List <Vector3> vertices = new List <Vector3>();
mesh.GetVertices(vertices);
var boundaryPath = EdgeHelpers.GetEdges(mesh.triangles).FindBoundary().SortEdges();
Vector3[] yourVectors = new Vector3[boundaryPath.Count];
for (int i = 0; i < boundaryPath.Count; i++)
{
yourVectors[i] = vertices[boundaryPath[i].v1];
}
List <Vector2> newColliderVertices = new List <Vector2>();
for (int i = 0; i < yourVectors.Length; i++)
{
newColliderVertices.Add(new Vector2(yourVectors[i].x, yourVectors[i].y));
}
Vector2[] newPoints = newColliderVertices.Distinct().ToArray();
polygonCollider2D.SetPath(0, newPoints);
}
}
void Start()
{
if (type != TypePolygon.BOX_COLLIDER)
{
mesh = GetComponent <MeshFilter>().sharedMesh;
Vector3[] vertices = mesh.vertices;
List <EdgeHelpers.Edge> boundaryPath = EdgeHelpers.GetEdges(mesh.triangles).FindBoundary().SortEdges();
Vector2 v = new Vector2();
for (int i = 0; i < boundaryPath.Count; i++)
{
Vector3 offset = transform.position;
Vector3 pos = vertices[boundaryPath[i].v1] + offset;
pos = ExtensionMethods.RotatePointAroundPivot(pos, transform.position, transform.rotation);
v.x = (float)System.Math.Round(pos.x, 1);
v.y = (float)System.Math.Round(pos.z, 1);
if (!contour.Contains(v))
{
contour.Add(v);
}
}
if (type == TypePolygon.CONCAVE)
{
ch = new ConcaveHull();
contour = ch.CalculateConcaveHull(contour, 3);
contour.RemoveAt(contour.Count - 1);
contour.Reverse();
}
else if (type == TypePolygon.CONVEX)
{
Vector2 position = new Vector2(transform.position.x, transform.position.z);
ClockwiseComparer c = new ClockwiseComparer(position);
contour.Sort(c);
}
}
else if (type == TypePolygon.BOX_COLLIDER)
{
BoxCollider[] boxColliders = GetComponentsInChildren <BoxCollider>();
for (int i = 0; i < boxColliders.Length; i++)
{
float minX = boxColliders[i].transform.position.x -
boxColliders[i].size.x * boxColliders[i].transform.lossyScale.x * 0.5f;
float minZ = boxColliders[i].transform.position.z -
boxColliders[i].size.z * boxColliders[i].transform.lossyScale.z * 0.5f;
float maxX = boxColliders[i].transform.position.x +
boxColliders[i].size.x * boxColliders[i].transform.lossyScale.x * 0.5f;
float maxZ = boxColliders[i].transform.position.z +
boxColliders[i].size.z * boxColliders[i].transform.lossyScale.z * 0.5f;
Vector3 pos = new Vector3(maxX, transform.position.y, maxZ);
pos = ExtensionMethods.RotatePointAroundPivot(pos, transform.position, transform.rotation);
contour.Add(new Vector2(pos.x, pos.z));
pos = new Vector3(minX, transform.position.y, maxZ);
pos = ExtensionMethods.RotatePointAroundPivot(pos, transform.position, transform.rotation);
contour.Add(new Vector2(pos.x, pos.z));
pos = new Vector3(minX, transform.position.y, minZ);
pos = ExtensionMethods.RotatePointAroundPivot(pos, transform.position, transform.rotation);
contour.Add(new Vector2(pos.x, pos.z));
pos = new Vector3(maxX, transform.position.y, minZ);
pos = ExtensionMethods.RotatePointAroundPivot(pos, transform.position, transform.rotation);
contour.Add(new Vector2(pos.x, pos.z));
}
}
foreach (var position2d in contour)
{
Vector3 p = new Vector3(position2d.x, 0, position2d.y);
Instantiate(prefab, p, Quaternion.identity, transform);
}
if (type != TypePolygon.NONE)
{
for (int i = 0; i < contour.Count - 1; i++)
{
Engine.Instance.AddObstacle(new Vector2(contour[i].x, contour[i].y), new Vector2(contour[i + 1].x, contour[i + 1].y));
}
}
else
{
Debug.Log("No has establecido el tipo para el poligono: " + name);
}
}
//Import the obj model
public IEnumerator importModel(ModelData modelData)
{
string modelPath = modelData.ModelUri;
modelPlaced = false;
modelBrowserWindow.SetActive(false);
selectedModel = OBJLoader.LoadOBJFile(modelPath, modelShader, out offset);
if (selectedModel.transform.childCount > 0)
{
//selectedModel.GetComponentsInChildren<Transform>()[1].Translate(-offset); //Looks in the parent as well
pivotAdjuster.adjustPivot(selectedModel.GetComponentsInChildren <Transform>()[1]);
selectedModel.GetComponentsInChildren <Transform>()[1].localPosition = Vector3.zero;
}
else
{
//selectedModel.transform.Translate(-offset);
pivotAdjuster.adjustPivot(selectedModel.transform);
selectedModel.transform.position = Vector3.zero;
}
//Calculating mesh size
Renderer rend = selectedModel.GetComponentsInChildren <Renderer>()[0];
float diameter = rend.bounds.extents.magnitude * 2;
float scale = targetScale / diameter; //Calculates model scale to make it's diameter match the target scale (makes all model the same size)
selectedModel.transform.localScale = new Vector3(scale, scale, scale); //x is negative because obj's flipped on x-axis apparently
//Calculating orientation
Mesh modelMesh = selectedModel.GetComponentsInChildren <MeshFilter>()[0].mesh;
Vector3 edgeSum = Vector3.zero;
Vector3[] vertices = modelMesh.vertices;
List <EdgeHelpers.Edge> boundaryPath = EdgeHelpers.GetEdges(modelMesh.triangles).FindBoundary().SortEdges();
for (int i = 0; i < boundaryPath.Count; i++)
{
Vector3 pos = vertices[boundaryPath[i].v1];
edgeSum = edgeSum + pos;
}
Transform modelTransform = selectedModel.GetComponentsInChildren <Transform>()[0];
Vector3 up = edgeSum - modelTransform.position;
Debug.DrawLine(modelTransform.position, up, Color.red, 1000f);
modelTransform.rotation = Quaternion.FromToRotation(up, Vector3.up);
//Demo Rotation
if (modelData.Name == "Tobasco")
{
Debug.Log("Tobasco rotating");
modelTransform.rotation = Quaternion.Euler(-46.527f, 66.417f, -118.493f);
}
else if (modelData.Name == "Houses")
{
Debug.Log("Houses rotating");
modelTransform.rotation = Quaternion.Euler(-87.038f, 143.324f, -92.64101f);
}
else if (modelData.Name == "Salt Shaker")
{
Debug.Log("Salt Shaker rotating");
modelTransform.rotation = Quaternion.Euler(49.763f, 51.159f, 92.40301f);
}
modelSelected = true;
yield return(null);
}