private void BuildGrid()
{
const int width = 6;
const int height = 5;
const float border = 0f;
const float quadSize = 15f;
grid = RectGrid <MeshTileCell> .HorizontallyWrappedParallelogram(width, height);
map = new PolarRectMap(Vector2.zero, 50, 350, new VectorPoint(width, height));
foreach (var point in grid)
{
var cell = Instantiate(cellPrefab);
cell.transform.parent = gridRoot.transform;
float innerRadius = map.GetInnerRadius(point) + border / 2;
float outerRadius = map.GetOuterRadius(point) - border / 2;
float startAngle = map.GetStartAngleZ(point);
float endAngle = map.GetEndAngleZ(point) - border * Mathf.Rad2Deg / outerRadius;
int quadCount = Mathf.CeilToInt(outerRadius * 2 * Mathf.PI / (quadSize * width));
Mesh mesh = cell.GetComponent <MeshFilter>().mesh;
MeshUtils.MakeBandedSector(mesh, startAngle, endAngle, innerRadius, outerRadius, quadCount, v => v);
cell.Color = ExampleUtils.Colors[point.GetColor(6, 3, 1)];
cell.HighlightOn = false;
cell.__CenterOffset = map[point].XYTo3D();
grid[point] = cell;
}
}