public void GenerateWallPoints()
{
Vector3 p0, p1, m0, m1;
float width1, width2;
//Debug.Log("This is a test " + Points[0]);
lWallPoints.Clear();
rWallPoints.Clear();
// First for loop goes through each individual control point and connects it to the next, so 0-1, 1-2, 2-3 and so on
for (int i = 0; i < Points.Count - 1; i++)
{
//if (Points[i] == null || Points[i + 1] == null || (i > 0 && Points[i - 1] == null) || (i < Points.Count - 2 && Points[i + 2] == null))
//{
// return;
//}
//Debug.Log(GameManager.segmentPos);
p0 = Points[i].transform.position;
p1 = Points[i + 1].transform.position;
width1 = Points[i].GetComponent <PointControl>().width;
width2 = Points[i + 1].GetComponent <PointControl>().width;
// Tangent calculation for each control point
// Tangent M[k] = (P[k+1] - P[k-1]) / 2
// With [] indicating subscript
// m0
if (i == 0)
{
m0 = p1 - p0;
}
else
{
m0 = 0.5f * (p1 - Points[i - 1].transform.position);
}
// m1
if (i < Points.Count - 2)
{
m1 = 0.5f * (Points[(i + 2) % Points.Count].transform.position - p0);
}
else
{
m1 = p1 - p0;
}
Vector3 normal = CatmullRom.CalculateNormal(m0, Vector3.up);
Quaternion orientation = Quaternion.LookRotation(m0, normal);
Vector3 leftOffset = orientation * new Vector3(-width1 / 2.0f, 0, 0);
Vector3 rightOffset = orientation * new Vector3(width1 / 2.0f, 0, 0);
if (i == 0)
{
lWallPoints.Add(p0 + leftOffset);
rWallPoints.Add(p0 + rightOffset);
}
normal = CatmullRom.CalculateNormal(m1, Vector3.up);
orientation = Quaternion.LookRotation(m1, normal);
leftOffset = orientation * new Vector3(-width2 / 2.0f, 0, 0);
rightOffset = orientation * new Vector3(width2 / 2.0f, 0, 0);
lWallPoints.Add(p1 + leftOffset);
rWallPoints.Add(p1 + rightOffset);
}
}