public void XYZ_MatchingValues_AreEqual()
{
var point1 = new XYZ(1, 2, 3);
var point2 = new XYZ(1, 2, 3);
Assert.AreEqual(point1, point2);
Assert.AreEqual(point1.GetHashCode(), point2.GetHashCode());
}
public void XYZ_DifferentValues_AreNotEqual()
{
var point1 = new XYZ(1, 2, 3);
var point2 = new XYZ(4, 5, 6);
Assert.AreNotEqual(point1, point2);
Assert.AreNotEqual(point1.GetHashCode(), point2.GetHashCode());
}
/// <summary>
/// 优化点
/// </summary>
public void OptimizePoints()
{
Dictionary <int, int> dictionary = new Dictionary <int, int>();
IList <XYZ> list = new List <XYZ>(Points.Count);
for (int i = 0; i < Indices.Count; i++)
{
XYZ xYZ = Points[Indices[i]];
int hashCode = xYZ.GetHashCode();
if (dictionary.ContainsKey(hashCode))
{
Indices[i] = dictionary[hashCode];
}
else
{
list.Add(xYZ);
int value = list.Count - 1;
dictionary[hashCode] = value;
Indices[i] = value;
}
}
Points = list;
}
public override int GetHashCode()
{
return(base.GetHashCode() ^
_color.GetHashCode());
}