/*
* Static methods
*/
/// <summary>
/// 輪郭線情報から三角形分割を行う。
/// </summary>
/// <returns>The contour.</returns>
/// <param name="contour">Contour.</param>
public static Delaunay2D Contour(List <Vector2> contour)
{
var d = new Delaunay2D(contour);
d.RemoveExternalTriangles(contour);
return(d);
}
void Update()
{
if (Input.GetMouseButtonDown(0))
{
ClearPositions();
_isDragging = true;
AddPosition(GetMousePosition());
}
else if (Input.GetMouseButtonUp(0))
{
_isDragging = false;
var sw = System.Diagnostics.Stopwatch.StartNew();
_delaunay = Delaunay2D.Contour(_points);
var mesh = _delaunay.ToMesh(sampleColors[Random.Range(0, sampleColors.Length)]);
_meshFilter.mesh = mesh;
sw.Stop();
Debug.Log(sw.ElapsedMilliseconds);
var maxDistance = mesh.bounds.size.magnitude * 0.5f + 1f;
Vector3 center = mesh.bounds.center;
if (_coroutine != null)
{
StopCoroutine(_coroutine);
}
_coroutine = StartCoroutine(ShowCotourine(1f, maxDistance, center));
}
else if (Input.GetMouseButton(0))
{
Vector2 pos = GetMousePosition();
if ((pos - _points[_points.Count - 1]).magnitude > 0.5f)
{
AddPosition(pos);
}
}
if (_delaunay != null)
{
_delaunay.ForeachTriangles((Triangle2D t) => {
t.DebugDraw();
t.circumscribedCircle.DebugDraw();
});
}
}