private MeshDataArray CreateBaseMesh(UnityTile tile, int sampleCount)
{
//TODO use arrays instead of lists
_newVertexList.Clear();
_newNormalList.Clear();
_newUvList.Clear();
_newTriangleList.Clear();
for (float y = 0; y < sampleCount; y++)
{
var yrat = y / (sampleCount - 1);
for (float x = 0; x < sampleCount; x++)
{
var xrat = x / (sampleCount - 1);
var xx = Mathd.Lerp(tile.Rect.Min.x, tile.Rect.Max.x, xrat);
var yy = Mathd.Lerp(tile.Rect.Min.y, tile.Rect.Max.y, yrat);
_newVertexList.Add(new Vector3(
(float)(xx - tile.Rect.Center.x) * tile.TileScale,
0,
(float)(yy - tile.Rect.Center.y) * tile.TileScale));
_newNormalList.Add(Mapbox.Unity.Constants.Math.Vector3Up);
_newUvList.Add(new Vector2(x * 1f / (sampleCount - 1), 1 - (y * 1f / (sampleCount - 1))));
}
}
int vertA, vertB, vertC;
for (int y = 0; y < sampleCount - 1; y++)
{
for (int x = 0; x < sampleCount - 1; x++)
{
vertA = (y * sampleCount) + x;
vertB = (y * sampleCount) + x + sampleCount + 1;
vertC = (y * sampleCount) + x + sampleCount;
_newTriangleList.Add(vertA);
_newTriangleList.Add(vertB);
_newTriangleList.Add(vertC);
vertA = (y * sampleCount) + x;
vertB = (y * sampleCount) + x + 1;
vertC = (y * sampleCount) + x + sampleCount + 1;
_newTriangleList.Add(vertA);
_newTriangleList.Add(vertB);
_newTriangleList.Add(vertC);
}
}
var mesh = new MeshDataArray();
mesh.Vertices = _newVertexList.ToArray();
mesh.Normals = _newNormalList.ToArray();
mesh.Uvs = _newUvList.ToArray();
mesh.Triangles = _newTriangleList.ToArray();
return(mesh);
}
private void BuildQuad(UnityTile tile)
{
var unityMesh = tile.MeshFilter.sharedMesh;
var verts = new Vector3[4];
var norms = new Vector3[4];
verts[0] = tile.TileScale * ((tile.Rect.Min - tile.Rect.Center).ToVector3xz());
verts[1] = tile.TileScale * (new Vector3((float)(tile.Rect.Max.x - tile.Rect.Center.x), 0, (float)(tile.Rect.Min.y - tile.Rect.Center.y)));
verts[2] = tile.TileScale * ((tile.Rect.Max - tile.Rect.Center).ToVector3xz());
verts[3] = tile.TileScale * (new Vector3((float)(tile.Rect.Min.x - tile.Rect.Center.x), 0, (float)(tile.Rect.Max.y - tile.Rect.Center.y)));
norms[0] = Constants.Math.Vector3Up;
norms[1] = Constants.Math.Vector3Up;
norms[2] = Constants.Math.Vector3Up;
norms[3] = Constants.Math.Vector3Up;
unityMesh.vertices = verts;
unityMesh.normals = norms;
var trilist = new int[6] {
0, 1, 2, 0, 2, 3
};
unityMesh.triangles = trilist;
var uvlist = new Vector2[4]
{
new Vector2(0, 1),
new Vector2(1, 1),
new Vector2(1, 0),
new Vector2(0, 0)
};
unityMesh.uv = uvlist;
_cachedQuad = new MeshDataArray()
{
Vertices = verts,
Normals = norms,
Triangles = trilist,
Uvs = uvlist
};
}
private void BuildQuadWithSides(UnityTile tile)
{
var unityMesh = tile.MeshFilter.sharedMesh;
var verts = new Vector3[20];
var norms = new Vector3[20];
verts[0] = tile.TileScale * ((tile.Rect.Min - tile.Rect.Center).ToVector3xz());
verts[1] = tile.TileScale * (new Vector3((float)(tile.Rect.Max.x - tile.Rect.Center.x), 0, (float)(tile.Rect.Min.y - tile.Rect.Center.y)));
verts[2] = tile.TileScale * ((tile.Rect.Max - tile.Rect.Center).ToVector3xz());
verts[3] = tile.TileScale * (new Vector3((float)(tile.Rect.Min.x - tile.Rect.Center.x), 0, (float)(tile.Rect.Max.y - tile.Rect.Center.y)));
norms[0] = Mapbox.Unity.Constants.Math.Vector3Up;
norms[1] = Mapbox.Unity.Constants.Math.Vector3Up;
norms[2] = Mapbox.Unity.Constants.Math.Vector3Up;
norms[3] = Mapbox.Unity.Constants.Math.Vector3Up;
//verts goes
//01
//32
unityMesh.subMeshCount = 2;
Vector3 norm = Mapbox.Unity.Constants.Math.Vector3Up;
for (int i = 0; i < 4; i++)
{
verts[4 * (i + 1)] = verts[i];
verts[4 * (i + 1) + 1] = verts[i + 1];
verts[4 * (i + 1) + 2] = verts[i] + new Vector3(0, -_elevationOptions.sideWallOptions.wallHeight, 0);
verts[4 * (i + 1) + 3] = verts[i + 1] + new Vector3(0, -_elevationOptions.sideWallOptions.wallHeight, 0);
norm = Vector3.Cross(verts[4 * (i + 1) + 1] - verts[4 * (i + 1) + 2], verts[4 * (i + 1)] - verts[4 * (i + 1) + 1]).normalized;
norms[4 * (i + 1)] = norm;
norms[4 * (i + 1) + 1] = norm;
norms[4 * (i + 1) + 2] = norm;
norms[4 * (i + 1) + 3] = norm;
}
unityMesh.vertices = verts;
unityMesh.normals = norms;
var trilist = new List <int>(6)
{
0, 1, 2, 0, 2, 3
};
unityMesh.SetTriangles(trilist, 0);
trilist = new List <int>(8);
for (int i = 0; i < 4; i++)
{
trilist.Add(4 * (i + 1));
trilist.Add(4 * (i + 1) + 2);
trilist.Add(4 * (i + 1) + 1);
trilist.Add(4 * (i + 1) + 1);
trilist.Add(4 * (i + 1) + 2);
trilist.Add(4 * (i + 1) + 3);
}
unityMesh.SetTriangles(trilist, 1);
var uvlist = new Vector2[20];
uvlist[0] = new Vector2(0, 1);
uvlist[1] = new Vector2(1, 1);
uvlist[2] = new Vector2(1, 0);
uvlist[3] = new Vector2(0, 0);
for (int i = 4; i < 20; i += 4)
{
uvlist[i] = new Vector2(1, 1);
uvlist[i + 1] = new Vector2(0, 1);
uvlist[i + 2] = new Vector2(1, 0);
uvlist[i + 3] = new Vector2(0, 0);
}
unityMesh.uv = uvlist;
_cachedQuad = new MeshDataArray()
{
Vertices = verts,
Normals = norms,
Triangles = trilist.ToArray(),
Uvs = uvlist
};
}