public override bool Equals(Object obj)
{
if (obj == null)
{
return(false);
}
if (!(obj is KVector2))
{
return(false);
}
KVector2 other = (KVector2)obj;
if (!KMath.AlmostEquals(X, other.X, Config.EpsilonsFloat))
{
return(false);
}
if (!KMath.AlmostEquals(Y, other.Y, Config.EpsilonsFloat))
{
return(false);
}
return(true);
}
public bool IsConvex()
{
if (Count < 3)
{
return(false);
}
if (Count == 3)
{
return(true);
}
//TODO: A ameliorer
double oldValue = 0;
bool convex = true;
for (int i = 0; i < Count; i++)
{
int secondIndex = i + 1 < Count ? i + 1 : 0;
int thirdIndex = secondIndex + 1 < Count ? secondIndex + 1 : 0;
KVector2 edgeA = this[secondIndex] - this[i];
KVector2 edgeB = this[thirdIndex] - this[secondIndex];
double nextValue = edgeA % edgeB;
if (KMath.AlmostEquals(nextValue, 0, Config.EpsilonsDouble))
{
if (this[i] == this[thirdIndex])
{
//Order is important here
Remove(this[thirdIndex]);
Remove(this[secondIndex]);
}
else
{
Remove(this[secondIndex]);
}
i = i - 1 > 0 ? i - 1 : Count;
continue;
}
convex &= nextValue * oldValue >= 0;
oldValue = nextValue;
}
if (Count < 3)
{
return(false);
}
return(convex);
}
