static private void InsertVertexAfter(MultiSpline inSpline, int inIndex)
{
if (inSpline.m_Vertices == null || inSpline.m_Type == GenType.Uninitialized || inSpline.m_Type == GenType.Simple)
{
return;
}
int currentIndex = inIndex;
float lerp = 0.5f;
bool bAddToEnd = false;
int segCount = inSpline.m_Vertices.Length;
if (!inSpline.m_Looped)
{
--segCount;
}
if (currentIndex == inSpline.m_Vertices.Length - 1)
{
bAddToEnd = true;
if (!inSpline.m_Looped)
{
--currentIndex;
lerp = 1.5f;
}
}
float realLerp = (float)(currentIndex + lerp) / segCount;
Vector3 next = inSpline.GetPoint(realLerp);
Vector3 dir = inSpline.GetDirection(realLerp);
CSplineVertex vert;
vert.Point = next;
vert.InTangent = vert.OutTangent = inSpline.m_Type == GenType.CSpline ? dir : Vector3.zero;
if (bAddToEnd)
{
UnityEditor.ArrayUtility.Add(ref inSpline.m_Vertices, vert);
}
else
{
UnityEditor.ArrayUtility.Insert(ref inSpline.m_Vertices, currentIndex + 1, vert);
}
}
static private void InsertVertexBefore(MultiSpline inSpline, int inIndex)
{
if (inSpline.m_Vertices == null || inSpline.m_Type == GenType.Uninitialized || inSpline.m_Type == GenType.Simple)
{
return;
}
int currentIndex = inIndex;
float lerp = -0.5f;
int segCount = inSpline.m_Vertices.Length;
if (!inSpline.m_Looped)
{
--segCount;
}
if (currentIndex == 0)
{
if (!inSpline.m_Looped)
{
++currentIndex;
lerp = -1.5f;
}
}
float realLerp = (float)(currentIndex + lerp) / segCount;
Vector3 next = inSpline.GetPoint(realLerp);
Vector3 dir = inSpline.GetDirection(realLerp);
CSplineVertex vert;
vert.Point = next;
vert.InTangent = vert.OutTangent = inSpline.m_Type == GenType.CSpline ? dir : Vector3.zero;
UnityEditor.ArrayUtility.Insert(ref inSpline.m_Vertices, currentIndex, vert);
inSpline.m_Dirty = true;
}
