public void TestAddRemove()
{
Vector3[] rndVectors = Enumerable.Range(1, 11).Select(x => Random.insideUnitCircle.toVec3()).ToArray();
//IndexedTriangleMesh.Triangle[] trgs = Enumerable.Range(1, numTriagsPerRound * numRounds).Select( x => new IndexedTriangleMesh.Triangle( rndVectors[Random.Range(0,999)], rndVectors[Random.Range(0, 999)], rndVectors[Random.Range(0, 999)]) ).ToArray();
C5.ArrayList <IndexedTriangleMesh.Triangle> triags = new C5.ArrayList <IndexedTriangleMesh.Triangle>();
IndexedTriangleMesh itm = new IndexedTriangleMesh();
for (int j = 0; j < 100; j++)
{
for (int i = 0; i < 10; i++)
{
if (triags.Count > 0 & Random.value < 0.33f)
{
IndexedTriangleMesh.Triangle t = triags[Random.Range(0, triags.Count - 1)];
itm.RemoveTriangle(t);
triags.Remove(t);
}
else
{
itm.AddTriangleByReference(new IndexedTriangleMesh.Triangle(rndVectors[Random.Range(0, rndVectors.Length - 1)],
rndVectors[Random.Range(0, rndVectors.Length - 1)], rndVectors[Random.Range(0, rndVectors.Length - 1)]));
}
}
NUnit.Framework.Assert.IsTrue(itm.SanityCheck(), "Sanity check failed");
}
}
// Use this for initialization
void Start()
{
System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
watch.Start();
itm = NavMeshBuilder.BuildTerrainNavmesh(GameObject.FindObjectOfType <Terrain>());
Debug.Log("Terrain built in " + watch.Elapsed);
watch.Reset(); watch.Start();
StartCoroutine(itm.OptimizeMesh());
StartCoroutine(Draw());
}
public static IndexedTriangleMesh BuildTerrainNavmesh(Terrain terrain)
{
IndexedTriangleMesh itm = new IndexedTriangleMesh();
TerrainData tdata = terrain.terrainData;
float[,] heightmap = tdata.GetHeights(0, 0, tdata.heightmapWidth, tdata.heightmapHeight);
Vector3[,] vertices = new Vector3[heightmap.GetLength(0), heightmap.GetLength(1)];
for (int y = 0; y < heightmap.GetLength(0); y++)
{
for (int x = 0; x < heightmap.GetLength(1); x++)
{
vertices[y, x] = HeightmapToVector(heightmap, x, y, tdata.heightmapScale);
}
}
for (int y = 1; y < heightmap.GetLength(0); y++)
{
for (int x = 1; x < heightmap.GetLength(1); x++)
{
/*for(int y = 1; y < 3; y++) {
* for(int x = 1; x < 3; x++) {*/
//IndexedTriangleMesh.Triangle triag = new IndexedTriangleMesh.Triangle( HeightmapToVector( heightmap, x, y, tdata.heightmapScale ), HeightmapToVector( heightmap, x, y - 1, tdata.heightmapScale ), HeightmapToVector( heightmap, x - 1, y, tdata.heightmapScale ) );
IndexedTriangleMesh.Triangle triag = new IndexedTriangleMesh.Triangle(vertices[y, x], vertices[y - 1, x], vertices[y, x - 1]);
if (checkTriangleSlope(triag.vertices))
{
itm.AddTriangleByReference(triag);
}
//triag = new IndexedTriangleMesh.Triangle( HeightmapToVector( heightmap, x - 1, y - 1, tdata.heightmapScale ), HeightmapToVector( heightmap, x - 1, y, tdata.heightmapScale ), HeightmapToVector( heightmap, x, y - 1, tdata.heightmapScale ) );
triag = new IndexedTriangleMesh.Triangle(vertices[y - 1, x - 1], vertices[y, x - 1], vertices[y - 1, x]);
if (checkTriangleSlope(triag.vertices))
{
itm.AddTriangleByReference(triag);
}
}
}
return(itm);
}
public void TestOptimize()
{
IndexedTriangleMesh itm = new IndexedTriangleMesh();
Vector3[] vectors = new Vector3[] { new Vector3(1, 0, 1), new Vector3(1, 0, -1), new Vector3(-1, 0, -1), new Vector3(-1, 0, 1), new Vector3(0, 0, 0) };
IndexedTriangleMesh.Triangle[] trg = new IndexedTriangleMesh.Triangle[] { new IndexedTriangleMesh.Triangle(new Vector3[] { vectors[0], vectors[1], vectors[4] }),
new IndexedTriangleMesh.Triangle(new Vector3[] { vectors[1], vectors[2], vectors[4] }),
new IndexedTriangleMesh.Triangle(new Vector3[] { vectors[2], vectors[3], vectors[4] }),
new IndexedTriangleMesh.Triangle(new Vector3[] { vectors[3], vectors[0], vectors[4] }) };
foreach (IndexedTriangleMesh.Triangle trig in trg)
{
itm.AddTriangleByReference(trig);
}
//Act
itm.OptimizeMesh();
//Assert
//The object has a new name
Mesh testM = itm.ExtractMeshes().First();
NUnit.Framework.Assert.AreEqual(4, testM.vertexCount, "Mesh was not optimized");
}
