public static Spline GeneratePath(Vector3 start, Vector3 finish, int numPasses = 1, float curveSpreadX = 0.5f, float curveSpreadY = 0.5f)
{
Vector3[] primaryCurvePoints = new Vector3[2];
primaryCurvePoints [0] = start;
primaryCurvePoints [1] = finish;
Spline curve = new Spline(primaryCurvePoints);
float length = Vector3.Distance(start, finish);
if (length == 0f)
{
return(curve);
}
Vector3 pathNormalized = finish - start;
pathNormalized /= length;
float rightDot = Mathf.Abs(Vector3.Dot(pathNormalized, Vector3.right));
float upDot = Mathf.Abs(Vector3.Dot(pathNormalized, Vector3.up));
Vector3 rVec = rightDot < upDot ? Vector3.right : Vector3.up;
Vector3 fVec = Vector3.Cross(pathNormalized, rVec);
int midPoints = 0;
for (int i = 0; i < numPasses; i++)
{
midPoints += (midPoints + 1);
int totalPoints = midPoints + 2;
Vector3[] newPoints = new Vector3[totalPoints];
newPoints [0] = start;
newPoints [newPoints.Length - 1] = finish;
float segmentSize = length / (float)(midPoints + 1);
Vector2 primaryCurveSpread = new Vector2(segmentSize * curveSpreadX, segmentSize * curveSpreadY);
for (int j = 1; j < newPoints.Length - 1; j++)
{
float pct = j / (float)(newPoints.Length - 1);
Vector3 centerPoint = curve.Evaluate(pct);
centerPoint += rVec * Random.Range(-primaryCurveSpread.x, primaryCurveSpread.x);
centerPoint += fVec * Random.Range(-primaryCurveSpread.y, primaryCurveSpread.y);;
newPoints [j] = centerPoint;
}
curve = new Spline(newPoints);
curve.tension = 0.5f;
}
return(curve);
}
void SetPoints()
{
if (pointList.Count == 0)
{
Debug.LogError("pointList should never have zero points!");
return;
}
if (pointList.Count == 1)
{
lr.positionCount = 2;
lr.SetPosition(0, pointList.First.Value);
lr.SetPosition(1, transform.position);
}
lr.enabled = pointList.Count > 1;
if (!lr.enabled)
{
return;
}
Vector3[] pList = new Vector3[pointList.Count + 1];
pList [pointList.Count] = transform.position;
Vector3 prevPos = transform.position;
LinkedListNode <Vector3> lln = pointList.First;
int index = 0;
do
{
if (parentObj != null)
{
lln.Value += parentObj.transform.forward.normalized * idleSpeed;
}
pList [index] = lln.Value;
prevPos = lln.Value;
index++;
lln = lln.Next;
} while (lln != null);
if (splinePrecision <= 1)
{
lr.positionCount = pList.Length;
lr.SetPositions(pList);
}
else
{
Slonersoft.Spline sp = new Slonersoft.Spline(pList);
sp.tension = 0.4f;
int totalPoints = (splinePrecision * pList.Length) + 1;
lr.positionCount = totalPoints;
for (int i = 0; i < totalPoints; i++)
{
float t = (float)i / (float)(totalPoints - 1);
Vector3 pos = sp.Evaluate(t);
lr.SetPosition(i, pos);
}
}
}