protected virtual void ConstructCurve(SplineInterpolator interp, SplineNode[] nInfo)
{
if (Speed <= 0 && nInfo.Length < 3) return;
float totalLength = 0;
float[] curveLengths = new float[nInfo.Length];
float[] nodeArrivalTimes = new float[nInfo.Length];
float currTime = 0;
uint c = 1;
bool pathEnded = false;
//Cache the tag so we can reset it after we have calculated how fast the object should move.
string actualTag = gameObject.tag;
//Preserve the original position so that the object doesn't get deleted due to the simulation.
Vector3 originalPosition = gameObject.transform.position;
gameObject.tag = "Simulation";
//Swap splines just in case we use mSplineInterp elsewhere.
interp.StartInterpolation(
//On Path End.
() => {
//Debug.Log("On Path Ended");
pathEnded = true;
},
//On Node Arrival.
(int idxArrival, SplineNode nodeArrival) => {
curveLengths[c] = mTotalSegmentSpeed;
//Debug.Log("SplineController: mTotalSegmentSpeed is " + mTotalSegmentSpeed + "from node " + nInfo[idxArrival - 1].Point + " to " + nodeArrival.Point);
totalLength += mTotalSegmentSpeed;
mTotalSegmentSpeed = 0;
++c;
},
//On Node Callback
(int idxLeavingSpline, SplineNode OnNodeArrivalCallback) => {
//Debug.Log("On Node callback: " + idxLeavingSpline);
}, false, eWrapMode.ONCE);
//Starts the Simulation.
float deltaTime = 0.00005f;
float currentTime = 0f;
while (!pathEnded) {
interp.Update(currentTime);
mTotalSegmentSpeed += mSplineInterp.DistanceTraveled;
currentTime += deltaTime;
}
//Debug.Log("SplineController: totalLength is " + totalLength);
interp.Clear();
gameObject.transform.position = originalPosition;
//From that, evaluate how much distance between each node makes up the curve and scale that time to be the break time.
float totalTime = GetDuration(nInfo);
//Debug.Log("SplineController: totalTime is " + totalTime);
float averageSpeed = totalLength / totalTime;
float timeToEnd = 0;
float speedMultiplier = 0;
for (int i = 0; i < curveLengths.Length; i++)
{
float hermiteLengthToEvaluate = curveLengths[i];
//Debug.Log("SplineController: hermiteLengthToEvaluate is " + hermiteLengthToEvaluate + " and the node is " + nInfo[i].Name);
if (hermiteLengthToEvaluate > 0) {
speedMultiplier = (hermiteLengthToEvaluate / totalLength) * (1 / Speed);
timeToEnd = totalTime * speedMultiplier;
//Debug.Log("SplineController: timeToEnd is " + timeToEnd);
}
interp.AddPoint(nInfo[i].Name, nInfo[i].Point,
nInfo[i].Rot,
timeToEnd + currTime, 0,
new Vector2(0, 1));
currTime += timeToEnd;
}
gameObject.tag = actualTag;
}
