// 检查相交情况
public bool Crossing(TensionSpline other)
{
if (this == other) // 自交检查
{
for (int i = 0; i < segments.Length - 2; i++)
{
for (int j = i + 2; j < segments.Length; j++)
{
if ((looping && (i != 0 || j != segments.Length - 1)) && // 循环时不检查首尾
segments[i].Crossing(segments[j]))
{
return(true);
}
}
}
return(false);
}
foreach (var seg1 in segments)
{
foreach (var seg2 in other.segments)
{
if (seg1.Crossing(seg2))
{
return(true);
}
}
}
return(false);
}
public TensionNode(TensionSpline origin, int idx)
{
parent = origin;
index = idx;
Reset();
}
