/// <summary>
/// Gets metadata for a certain TF
/// </summary>
/// <param name="type">Metadata type interfacing ICurvyMetadata</param>
/// <param name="tf">TF value reflecting position on spline (0..1)</param>
/// <returns>the metadata</returns>
public override Component GetMetadata(System.Type type, float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return((spl) ? spl.GetMetadata(type, localTF) : null);
}
// <summary>
/// Gets an interpolated Metadata value for a certain TF
/// </summary>
/// <typeparam name="T">Metadata type interfacing ICurvyInterpolatableMetadata</typeparam>
/// <typeparam name="U">Return Value type of T</typeparam>
/// <param name="tf">TF value reflecting position on spline (0..1)</param>
/// <returns>the interpolated value</returns>
public override U InterpolateMetadata <T, U>(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return((spl) ? spl.InterpolateMetadata <T, U>(localTF) : default(U));
}
/// <summary>
/// Gets the normalized tangent for a certain TF
/// </summary>
/// <param name="tf">TF value identifying position in the group (0..1)</param>
/// <returns>a tangent vector</returns>
public override Vector3 GetTangent(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return((spl) ? spl.GetTangent(localTF) : Vector3.zero);
}
/// <summary>
/// Converts a distance to a TF value
/// </summary>
/// <param name="distance">distance in the range 0..Length</param>
/// <param name="clamping">Clamping to use</param>
/// <returns>a TF value in the range 0..1</returns>
public override float DistanceToTF(float distance, CurvyClamping clamping)
{
float localDistance;
CurvySpline spl = DistanceToSpline(distance, out localDistance, clamping);
return((spl) ? SplineToTF(spl, spl.DistanceToTF(localDistance)) : 0);
}
public void UpdateATL(ThirdPersonUserControl player, CurvySpline spline, Crosshair crosshair)
{
if (!init && spline.IsInitialized)
{
init = true;
}
if (!init)
{
return;
}
Vector3 theCenter = Vector3.zero;
Vector3 theVelocity = Vector3.zero;
flockSize = _boids.Count;
// transform.position = player.transform.position + Camera.main.transform.forward * 10.0f;
for (int i = 0; i < _boids.Count; i++)
{
theCenter += _boids [i].transform.position;
theVelocity += _boids [i].GetComponent <Rigidbody> ().velocity;
}
flockCenter = theCenter / flockSize;
//AxKDebugLines.AddFancySphere(flockCenter, 1f, Color.red, 0);
flockVelocity = theVelocity / flockSize;
//AxKDebugLines.AddLine(flockCenter, flockCenter + flockVelocity, Color.red, 0);
for (int i = 0; i < _boids.Count; i++)
{
_boids[i].GetComponent <BoidFlocking> ().UpdateATL(_boids, this, player, spline, crosshair);
}
}
/// <summary>
/// Gets the interpolated position for a certain group TF using a linear approximation
/// </summary>
/// <remarks>TF (Total Fragment) relates to the total length of the group</remarks>
/// <param name="tf">TF value reflecting position in the group (0..1)</param>
/// <returns>the interpolated position</returns>
public override Vector3 InterpolateFast(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return((spl) ? spl.InterpolateFast(localTF) : Vector3.zero);
}
void OnPostRender()
{
if (Splines.Length == 0)
{
return;
}
for (int s = 0; s < Splines.Length; s++)
{
CurvySpline spline = Splines[s];
Color lineColor = (s < Colors.Length) ? Colors[s] : Color.green;
if (spline && spline.IsInitialized)
{
Points = spline.GetApproximation();
CreateLineMaterial();
lineMaterial.SetPass(0);
GL.Begin(GL.LINES);
GL.Color(lineColor);
for (int i = 1; i < Points.Length; i++)
{
GL.Vertex(Points[i - 1]);
GL.Vertex(Points[i]);
}
GL.End();
}
}
}
/// <summary>
/// Gets a rotation looking to Tangent with the head upwards along the Up-Vector
/// </summary>
/// <param name="tf">TF value reflecting position in the group (0..1)</param>
/// <returns>a rotation</returns>
public override UnityEngine.Quaternion GetOrientationFast(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.GetOrientationFast(localTF));
}
/// <summary>
/// Gets the interpolated position for a certain group TF using a linear approximation
/// </summary>
/// <remarks>TF (Total Fragment) relates to the total length of the group</remarks>
/// <param name="tf">TF value reflecting position in the group (0..1)</param>
/// <returns>the interpolated position</returns>
public override UnityEngine.Vector3 InterpolateFast(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.InterpolateFast(localTF));
}
/// <summary>
/// Gets an interpolated Metadata value for a certain TF
/// </summary>
/// <param name="type">Metadata type interfacing ICurvyInterpolatableMetadata</param>
/// <param name="tf">TF value reflecting position on spline (0..1)</param>
/// <returns>the interpolated value</returns>
public override object InterpolateMetadata(System.Type type, float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return((spl) ? spl.InterpolateMetadata(type, localTF) : null);
}
/// <summary>
/// Undo-complient version of CurvyUtility.JoinSpline()
/// </summary>
/// <param name="sourceCP">a Control Point of the source spline</param>
/// <param name="destCP">the Control Point of the destination spline</param>
public static void UndoJoinSpline(CurvySplineSegment sourceCP, CurvySplineSegment destCP)
{
#if !OLD_UNDO
if (!sourceCP || !destCP)
{
return;
}
CurvySpline src = sourceCP.Spline;
CurvySpline dst = destCP.Spline;
if (src == dst)
{
return;
}
for (int i = 0; i < src.ControlPointCount; i++)
{
Undo.RecordObject(src.ControlPoints[i].gameObject, "Join Spline");
Undo.SetTransformParent(src.ControlPoints[i].Transform, dst.Transform, "Join Spline");
src.ControlPoints[i]._ReSettle();
}
dst.ControlPoints.InsertRange(destCP.ControlPointIndex + 1, src.ControlPoints);
dst._RenameControlPointsByIndex();
dst.RefreshImmediately(true, true, false);
Undo.DestroyObjectImmediate(src.gameObject);
#endif
}
public static void UndoRegisterSplineControlPoints(CurvySpline spl, string name)
{
#if !OLD_UNDO
for (int i = 0; i < spl.ControlPointCount; i++)
Undo.RecordObject(spl.ControlPoints[i].gameObject, name);
#endif
}
// Use this for initialization
void Start()
{
mSpline = GetComponent <CurvySpline>();
Walker = GameObject.FindObjectOfType(typeof(SplineWalkerDistance)) as SplineWalkerDistance;
//while (!mSpline.IsInitialized)
// yield return null;
}
void addRandomCP(ref CurvySpline spline, int count, int totalLength)
{
Vector3[] pos = new Vector3[count];
float segLength = totalLength / (float)(count - 1);
pos[0] = Vector3.zero;
for (int i = 1; i < count; i++)
{
int dir = Random.Range(0, 2);
int sign = Random.Range(0f, 1f) > 0.5f ? 1 : -1;
switch (dir)
{
case 0:
pos[i] = pos[i - 1] + new Vector3(segLength * sign, 0, 0);
break;
case 1:
pos[i] = pos[i - 1] + new Vector3(0, segLength * sign, 0);
break;
case 2:
pos[i] = pos[i - 1] + new Vector3(0, 0, segLength * sign);
break;
}
}
spline.Add(pos);
spline.Refresh();
}
} //centerLine of PlayerCar in PCH
public void DrawCenterLine(GameObject car, float carTf, CurvySpline curvySpline, Texture2D lineRendererTxt)
{
Vector3 heading = curvySpline.Interpolate(0) - car.transform.position;
float increaseAmount = 1f / (curvySpline.Length * SPLINE_GIZMO_SMOOTHNESS);
if (Vector3.Dot(heading, car.transform.forward) > 0) //starting point is in front of me
{
for (float i = carTf; i > 0; i -= increaseAmount)
{
Vector3 pos = curvySpline.Interpolate(i);
CenterPoints.Add(pos);
}
}
else //starting point is behind me
{
for (float i = carTf; i < 1; i += increaseAmount)
{
Vector3 pos = curvySpline.Interpolate(i);
CenterPoints.Add(pos);
}
}
lineRenderer2.positionCount = CenterPoints.Count;
lineRenderer2.SetPositions(CenterPoints.ToArray());
lineRenderer2.colorGradient = MakeLineRendererGradient(centerLineColor);
lineRenderer2.material.SetColor("_Color", CenterLineColor); //set tint color of lineRenderer
Texture2D txt = UpdateParams(centerLineColor, lineRendererTxt);
lineRenderer2.material.SetTexture("_MainTex", txt);
CenterPoints.Clear();
} //centerLine of PlayerCar in SF
/// <summary>
/// Start a spline switch
/// </summary>
/// <param name="target">the target spline to switch to</param>
/// <param name="targetTF">the target TF</param>
/// <param name="duration">duration of the switch phase</param>
public virtual void SwitchTo(CurvySpline target, float targetTF, float duration)
{
mSwitchStartTime = Time.time;
mSwitchDuration = duration;
mSwitchEventArgs = new CurvySplineMoveEventArgs(this, target, null, targetTF, 0, Direction);
mSwitchEventArgs.Data = 0f;
}
void setController(SplineController c, CurvySpline spline, float speed)
{
c.Spline = spline;
c.Speed = speed;
c.OnControlPointReached.AddListenerOnce(OnCPReached);
c.OnEndReached.AddListenerOnce(CurvyDefaultEventHandler.UseFollowUpStatic);
}
IEnumerator Fall(float delay, CurvySpline spline)
{
print("now falling");
yield return(new WaitForSeconds(delay));
Vector3 targetPosition = new Vector3(transform.position.x, lastPos.y + 50.0f, transform.position.z);
//AxKDebugLines.AddFancySphere (targetPosition, 1.0f, Color.blue, 0.0f);
//AxKDebugLines.AddFancySphere (lastPos, 1.0f, Color.red, 0.0f);
//AxKDebugLines.AddFancySphere ( new Vector3(lastPos.x, lastPos.y + 5.0f, lastPos.z) , 1.0f, Color.green, 0.0f);
//AxKDebugLines.AddFancySphere (transform.position, 1.0f, Color.magenta, 0.0f);
print("now rising above");
while (transform.position.y < targetPosition.y - 1.0f)
{
transform.position = Vector3.Lerp(transform.position, targetPosition, Time.deltaTime);
transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation((targetPosition - transform.position).normalized, new Vector3(0, 1, 0)), Time.deltaTime);
}
print("now landing to spline");
Vector3 splineForward = spline.GetTangent(t);
while (transform.position.y > lastPos.y + 10.0f)
{
transform.position = Vector3.Lerp(transform.position, lastPos, Time.deltaTime);
transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(splineForward), Time.deltaTime);
}
print("now done");
Camera.main.GetComponent <CameraController_three> ().falling = false;
}
/// <summary>
/// Gets the normalized tangent for a certain TF with a known position for TF
/// </summary>
/// <remarks>This saves one interpolation</remarks>
/// <param name="tf">TF value identifying position in the group (0..1)</param>
/// <param name="position">The interpolated position for TF</param>
/// <returns>a tangent vector</returns>
public override Vector3 GetTangent(float tf, Vector3 position)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.GetTangent(localTF, position));
}
/// <summary>
/// Undo-complient version of CurvyUtility.SplitSpline()
/// </summary>
/// <param name="firstCP">the first Control Point of the new spline</param>
/// <returns>the new spline</returns>
public static CurvySpline UndoSplitSpline(CurvySplineSegment firstCP)
{
#if OLD_UNDO
Undo.RegisterSceneUndo("Split Spline");
return(CurvyUtility.SplitSpline(firstCP));
#else
CurvySpline old = firstCP.Spline;
CurvySpline spl = CurvySpline.Create(old);
Undo.RegisterCreatedObjectUndo(spl.gameObject, "Split Spline");
spl.name = old.name + "_parted";
// Move CPs
var affected = old.ControlPoints.GetRange(firstCP.ControlPointIndex, old.ControlPointCount - firstCP.ControlPointIndex);
for (int i = 0; i < affected.Count; i++)
{
Undo.RecordObject(affected[i].gameObject, "Split Spline");
Undo.SetTransformParent(affected[i].Transform, spl.Transform, "Split Spline");
affected[i]._ReSettle();
}
old.ControlPoints.Clear();
old.RefreshImmediately(true, true, false);
spl._RenameControlPointsByIndex();
spl.RefreshImmediately(true, true, false);
return(spl);
#endif
}
/// <summary>
/// Gets the normalized tangent for a certain TF using a linear approximation
/// </summary>
/// <param name="tf">TF value identifying position in the group (0..1)</param>
/// <returns>a tangent vector</returns>
public override Vector3 GetTangentFast(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.GetTangentFast(localTF));
}
/// <summary>
/// Checks if the curve is planar
/// </summary>
/// <param name="spline">a CurvySpline</param>
/// <param name="xplanar">whether the x-axis is planar</param>
/// <param name="yplanar">whether the y-axis is planar</param>
/// <param name="zplanar">whether the z-axis is planar</param>
/// <returns>true if at least on axis is planar</returns>
public static bool isPlanar(CurvySpline spline, out bool xplanar, out bool yplanar, out bool zplanar)
{
xplanar = true;
yplanar = true;
zplanar = true;
if (spline.ControlPointCount == 0)
{
return(false);
}
Vector3 p = spline.ControlPoints[0].Position;
for (int i = 1; i < spline.ControlPointCount; i++)
{
if (!Mathf.Approximately(spline.ControlPoints[i].Position.x, p.x))
{
xplanar = false;
}
if (!Mathf.Approximately(spline.ControlPoints[i].Position.y, p.y))
{
yplanar = false;
}
if (!Mathf.Approximately(spline.ControlPoints[i].Position.z, p.z))
{
zplanar = false;
}
if (xplanar == false && yplanar == false && zplanar == false)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Converts a distance to a TF value
/// </summary>
/// <param name="distance">distance in the range 0..Length</param>
/// <returns>a TF value in the range 0..1</returns>
public override float DistanceToTF(float distance)
{
float localDistance;
CurvySpline spl = DistanceToSpline(distance, out localDistance);
return(SplineToTF(spl, spl.DistanceToTF(localDistance)));
}
// Code that runs on entering the state.
public override void OnEnter()
{
GameObject go = Fsm.GetOwnerDefaultTarget(GameObject);
if (go)
{
CurvySpline spl = go.GetComponent <CurvySpline>();
if (spl)
{
if (GetSegment.Value)
{
if (spl.Count > 0)
{
StoreObject.Value = spl[Mathf.Clamp(Index.Value, 0, spl.Count - 1)].gameObject;
}
}
else if (spl.ControlPointCount > 0)
{
StoreObject.Value = spl.ControlPointsList[Mathf.Clamp(Index.Value, 0, spl.ControlPointCount - 1)].gameObject;
}
}
}
Finish();
}
void OnSplineRefresh(CurvySpline spline)
{
Planar = CurvyUtility.isPlanar(Spline, out IgnoreAxis);
if (Planar)
Triangulate();
Repaint();
}
public CurvySplineEventArgs(MonoBehaviour sender, CurvySpline spline = null, object data = null)
{
Sender = sender;
Spline = spline;
Data = data;
}
/// <summary>
/// Gets a rotation looking to Tangent with the head upwards along the Up-Vector
/// </summary>
/// <param name="tf">TF value reflecting position in the group (0..1)</param>
/// <param name="inverse">whether the orientation should be inversed or not</param>
/// <returns>a rotation</returns>
public override Quaternion GetOrientationFast(float tf, bool inverse)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.GetOrientationFast(localTF, inverse));
}
void setController(SplineController c, CurvySpline spline, float speed)
{
c.Spline = spline;
c.Speed = speed;
c.OnControlPointReached.AddListenerOnce(OnCPReached);
c.OnEndReached.AddListenerOnce(CurvyDefaultEventHandler.UseFollowUpStatic);
}
/// <summary>
/// Gets an interpolated Scale for a certain group TF
/// </summary>
/// <remarks>TF (Total Fragment) relates to the total length of the group</remarks>
/// <param name="tf">TF value reflecting position in the group(0..1)</param>
/// <returns>the interpolated value</returns>
public override Vector3 InterpolateScale(float tf)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.InterpolateScale(localTF));
}
IEnumerator NavigationLine(float waitTime)
{
while (true)
{
yield return(new WaitForSeconds(waitTime));
CurvySpline curvySpline = pathEnhanced.GetComponent <CurvySpline>();
segmentsToSearch.Add(curSegment);
segmentsToSearch.Add(curvySpline[curSegment.SegmentIndex + 1].GetComponent <CurvySplineSegment>());
segmentsToSearch.Add(curvySpline[curSegment.SegmentIndex - 1].GetComponent <CurvySplineSegment>());
//float carTf = curvySpline.GetNearestPointTFExt(transform.position, segmentsToSearch.ToArray());
float carTf = curvySpline.GetNearestPointTF(transform.position);
Lane lane = MonitorLane(curvySpline.GetTangentFast(carTf));
if (lane == Lane.RIGHT)
{
linesUtilsAlt.DrawLine(gameObject, curvySpline, carTf);
}
else
{
linesUtilsAlt.LineRend.positionCount = 0; //delete the LineRenderer
}
curSegment = curvySpline.TFToSegment(carTf);
segmentsToSearch.Clear();
}
}
/// <summary>
/// Gets an interpolated User Value for a certain group TF
/// </summary>
/// <remarks>TF (Total Fragment) relates to the total length of the group</remarks>
/// <param name="tf">TF value reflecting position in the group (0..1)</param>
/// <param name="index">the UserValue array index</param>
/// <returns>the interpolated value</returns>
public override Vector3 InterpolateUserValue(float tf, int index)
{
float localTF;
CurvySpline spl = TFToSpline(tf, out localTF);
return(spl.InterpolateUserValue(localTF, index));
}
// Use this for initialization
IEnumerator Start()
{
mSpline = GetComponent<CurvySpline>();
Walker = GameObject.FindObjectOfType(typeof(FollowSpline)) as FollowSpline;
while (!mSpline.IsInitialized)
yield return null;
}
public void UpdateATL(CurvySpline spline)
{
t = spline.GetNearestPointTF(transform.position);
Vector3 splineAtT = spline.Interpolate(t);
if (transform.position.y < splineAtT.y)
{
lastPos = splineAtT;
Camera.main.GetComponent <CameraController_three> ().falling = true;
//SceneManager.LoadScene ("three");
StartCoroutine(Fall(5.0f, spline)); //pass in length of fall
}
else
{
Camera.main.GetComponent <CameraController_three> ().falling = false;
}
if (!m_Jump)
{
m_Jump = Input.GetButtonDown("Jump");
}
//disabling jump
m_Jump = false;
}
/// <summary>
/// Interpolates position for a local F
/// </summary>
/// <param name="localF">a local F in the range 0..1</param>
/// <param name="interpolation">the interpolation to use</param>
/// <returns>the interpolated position</returns>
public Vector3 Interpolate(float localF, CurvyInterpolation interpolation)
{
localF = Mathf.Clamp01(localF);
switch (interpolation)
{
case CurvyInterpolation.Bezier:
return(CurvySpline.Bezier(HandleOutScaled, Transform.position, NextTransform.position, NextControlPoint.HandleInScaled, localF));
case CurvyInterpolation.CatmulRom:
//return CurvySpline.CatmulRom(PreviousTransform.position, Transform.position, NextTransform.position, NextControlPoint.NextTransform.position, localF);
return(CurvySpline.CatmulRom(GetPrevPosition(), Transform.position, GetNextPosition(), GetNextNextPosition(), localF));
case CurvyInterpolation.TCB:
float t0 = StartTension; float t1 = EndTension;
float c0 = StartContinuity; float c1 = EndContinuity;
float b0 = StartBias; float b1 = EndBias;
if (!OverrideGlobalTension)
{
t0 = t1 = Spline.Tension;
}
if (!OverrideGlobalContinuity)
{
c0 = c1 = Spline.Continuity;
}
if (!OverrideGlobalBias)
{
b0 = b1 = Spline.Bias;
}
return(CurvySpline.TCB(PreviousTransform.position, Transform.position, NextTransform.position, NextControlPoint.NextTransform.position, localF, t0, c0, b0, t1, c1, b1));
default: // LINEAR
return(Vector3.Lerp(Transform.position, NextTransform.position, localF));
}
}
// Use this for initialization
IEnumerator Start () {
mBuilder = GetComponent<SplinePathCloneBuilder>();
mSpline = (CurvySpline)mBuilder.Spline;
while (!mSpline.IsInitialized)
yield return 0;
mCPToMove = mSpline.ControlPoints[1].Transform;
UpdateClones();
}
void checkForSpline()
{
if (Spline == null)
{
Spline = CurvySpline.Create();
Camera.main.GetComponent<CurvyGLRenderer>().Add(Spline);
for (int i = 0; i < 4; i++)
AddCP();
}
}
void Init(CurvySpline spline)
{
Spline = spline;
splMatrix = spline.Transform.localToWorldMatrix;
Planar = CurvyUtility.isPlanar(Spline,out IgnoreAxis);
if (Planar)
Triangulate();
Repaint();
Spline.OnRefresh += OnSplineRefresh;
}
void getRange(CurvySpline spline, CGDataRequestRasterization raster, out float startDist, out float endDist)
{
if (StartCP)
{
float l = getPathLength(spline);
startDist = StartCP.Distance + l * raster.Start;
endDist = StartCP.Distance + l * (raster.Start + raster.Length);
}
else
{
startDist = spline.Length * raster.Start;
endDist = spline.Length * (raster.Start + raster.Length);
}
}
void OnSelectionChange()
{
if (Spline)
Spline.OnRefresh -= OnSplineRefresh;
Spline = null;
if (Selection.activeGameObject) {
var spl = Selection.activeGameObject.GetComponent<CurvySpline>();
if (spl)
Init(spl);
var cp = Selection.activeGameObject.GetComponent<CurvySplineSegment>();
if (cp)
Init(cp.Spline);
}
Repaint();
}
void Init(CurvySpline spline)
{
Spline = spline;
}
MetaCGOptions findNextReferenceCPOptions(CurvySpline spline, float tf, out CurvySplineSegment cp)
{
MetaCGOptions options;
float localF;
cp = spline.TFToSegment(tf, out localF);
do
{
cp = cp.NextControlPoint;
options = cp.GetMetadata<MetaCGOptions>(true);
if (!spline.Closed && cp.IsLastVisibleControlPoint)
return options;
}
while (!options.UVEdge && !options.ExplicitU && !options.HasDifferentMaterial && !cp.IsFirstSegment);
return options;
}
void Awake()
{
// for this example we assume the component is attached to a GameObject holding a spline
mSpline = GetComponent<CurvySpline>();
}
/// <summary>
/// Equalize one axis of a spline to match the first control points's value
/// </summary>
/// <param name="spline">a CurvySpline</param>
/// <param name="axis">the axis to equalize (0=x,1=y,2=z)</param>
public static void makePlanar(CurvySpline spline, int axis)
{
Vector3 p = spline.ControlPoints[0].Position;
for (int i = 1; i < spline.ControlPointCount; i++) {
Vector3 pi = spline.ControlPoints[i].Position;
switch (axis) {
case 0: pi.x = p.x; break;
case 1: pi.y = p.y; break;
case 2: pi.z = p.z; break;
}
spline.ControlPoints[i].Position = pi;
}
spline.Refresh();
}
/// <summary>
/// Gets the part of the connection belonging to the spline
/// </summary>
/// <param name="spline">a spline</param>
/// <returns>the Control Point belonging to spline that is part of this connection or null</returns>
public CurvySplineSegment GetFromSpline(CurvySpline spline)
{
if (Owner && Owner.Spline == spline)
return Owner;
else if (Other && Other.Spline == spline)
return Other;
else
return null;
}
/// <summary>
/// Called before starting to move in editor preview
/// </summary>
/// <remarks>
/// Use this to store settings, e.g. the initial VirtualPosition
/// </remarks>
public override void BeginPreview()
{
mInitialSpline = Spline;
base.BeginPreview();
}
/// <summary>
/// Alter TF to reflect a movement over a certain portion of the spline, using connections if conditions match. Unlike MoveConnection() a linear approximation will be used
/// </summary>
/// <param name="spline">the current spline</param>
/// <param name="tf">the current TF value</param>
/// <param name="direction">the current direction, 1 or -1</param>
/// <param name="fDistance">the percentage of the spline to move</param>
/// <param name="clamping">clamping mode</param>
/// <param name="minMatchesNeeded">minimum number of tags that must match to use a connection</param>
/// <param name="tags">list of tags to match</param>
/// <returns>the interpolated position</returns>
public Vector3 MoveConnectionFast(ref CurvySpline spline, ref float tf, ref int direction, float fDistance, CurvyClamping clamping, int minMatchesNeeded, params string[] tags)
{
List<CurvyConnection> cons = GetConnectionsWithin(tf, direction, fDistance, minMatchesNeeded,true, tags);
if (cons.Count > 0) {
CurvyConnection con;
if (cons.Count == 1)
con = cons[0];
else
con = CurvyConnection.GetBestMatchingConnection(cons, tags);
CurvySplineSegment cp = con.GetFromSpline(this);
float cptf = SegmentToTF(cp);
fDistance -= cptf - tf;
CurvySplineSegment counterp = con.GetCounterpart(cp);
tf = counterp.LocalFToTF(0);
spline = counterp.Spline;
return spline.MoveConnectionFast(ref spline, ref tf, ref direction, fDistance, clamping, minMatchesNeeded, tags);
}
else
return MoveFast(ref tf, ref direction, fDistance, clamping);
}
/// <summary>
/// Creates an empty spline with the same settings as another spline
/// </summary>
/// <param name="takeOptionsFrom">another spline</param>
public static CurvySpline Create(CurvySpline takeOptionsFrom)
{
CurvySpline spl = Create();
if (takeOptionsFrom) {
spl.Interpolation = takeOptionsFrom.Interpolation;
spl.Closed = takeOptionsFrom.Closed;
spl.AutoEndTangents = takeOptionsFrom.AutoEndTangents;
spl.Granularity = takeOptionsFrom.Granularity;
spl.Orientation = takeOptionsFrom.Orientation;
spl.InitialUpVector = takeOptionsFrom.InitialUpVector;
spl.Swirl = takeOptionsFrom.Swirl;
spl.SwirlTurns = takeOptionsFrom.SwirlTurns;
spl.AutoRefresh = takeOptionsFrom.AutoRefresh;
spl.AutoRefreshLength = takeOptionsFrom.AutoRefreshLength;
spl.AutoRefreshOrientation = takeOptionsFrom.AutoRefreshOrientation;
spl.UserValueSize = takeOptionsFrom.UserValueSize;
}
return spl;
}
void OnSplineRefresh(CurvySpline sender)
{
if (Time.realtimeSinceStartup - mLastRefresh > AutoRefreshSpeed) {
mLastRefresh = Time.realtimeSinceStartup;
Refresh(false);
}
}
/// <summary>
/// Builds a mesh from a spline (2D), taking interpolated points based on curvation angle
/// </summary>
/// <param name="spline">the spline to use</param>
/// <param name="ignoreAxis">the axis to ignore (0=x,1=y,2=z)</param>
/// <param name="close">True to create a mesh with triangles, False to create a vertex line mesh</param>
/// <param name="angleDiff">the curvation angle used to interpolate points</param>
public static Mesh CreateSplineMesh(CurvySpline spline, int ignoreAxis, bool close, float angleDiff)
{
float tf = 0;
int dir = 1;
List<Vector3> verts = new List<Vector3>();
verts.Add(spline.Transform.worldToLocalMatrix.MultiplyPoint3x4(spline.Interpolate(0)));
while (tf < 1) {
verts.Add(spline.Transform.worldToLocalMatrix.MultiplyPoint3x4(spline.MoveByAngle(ref tf, ref dir, angleDiff, CurvyClamping.Clamp, 0.005f)));
}
return buildSplineMesh(verts.ToArray(), ignoreAxis, !close);
}
/// <summary>
/// Builds a mesh from a spline's approximation points (2D)
/// </summary>
/// <param name="spline">the spline to use</param>
/// <param name="ignoreAxis">the axis to ignore (0=x,1=y,2=z)</param>
/// <param name="close">True to create a mesh with triangles, False to create a vertex line mesh</param>
/// <param name="msh"></param>
public static Mesh CreateSplineMesh(CurvySpline spline, int ignoreAxis, bool close, Mesh msh = null)
{
Vector3[] verts = spline.GetApproximation(true);
if (spline.Closed)
CurvySplineSegment.Resize(ref verts, verts.Length - 1);
return buildSplineMesh(verts, ignoreAxis, !close, msh);
}
public CurvyMeshSegmentInfo(SplinePathMeshBuilder mb, float tf, float distance, Vector3 scale)
{
Spline = mb.Spline;
TF = tf;
mDistance = distance;
Vector3 p = (mb.FastInterpolation) ? Spline.InterpolateFast(TF) : Spline.Interpolate(TF);
if (mb.UseWorldPosition)
Matrix = Matrix4x4.TRS(mb.Transform.InverseTransformPoint(p), Spline.GetOrientationFast(TF), scale);
else
Matrix = Matrix4x4.TRS(Spline.Transform.InverseTransformPoint(p), Spline.GetOrientationFast(TF), scale);
}
/// <summary>
/// Centers Control Points around Spline transform
/// </summary>
/// <param name="spline">The spline to address</param>
public static void centerPivot(CurvySpline spline)
{
Bounds b = spline.GetBounds(false);
Vector3 off = spline.Transform.position - b.center;
foreach (CurvySplineSegment cp in spline.ControlPoints)
cp.Transform.position += off;
spline.transform.position -= off;
spline.Refresh();
}
MetaCGOptions findPreviousReferenceCPOptions(CurvySpline spline, float tf, out CurvySplineSegment cp)
{
MetaCGOptions options;
cp = spline.TFToSegment(tf);
do
{
options = cp.GetMetadata<MetaCGOptions>(true);
if (cp.IsFirstVisibleControlPoint)
return options;
cp = cp.PreviousSegment;
}
while (cp && !options.UVEdge && !options.ExplicitU &&!options.HasDifferentMaterial);
return options;
}
/// <summary>
/// Alter TF to reflect a movement over a certain distance, using connections if conditions match. Unlike MoveByConnection() a linear approximation will be used.
/// </summary>
/// <param name="spline">the current spline</param>
/// <param name="tf">the current TF value</param>
/// <param name="direction">the current direction, 1 or -1</param>
/// <param name="distance">the distance in world units to move</param>
/// <param name="clamping">clamping mode</param>
/// <param name="minMatchesNeeded">minimum number of tags that must match to use a connection</param>
/// <param name="stepSize">stepSize defines the accuracy</param>
/// <param name="tags">list of tags to match</param>
/// <returns>the interpolated position</returns>
public Vector3 MoveByConnectionFast(ref CurvySpline spline, ref float tf, ref int direction, float distance, CurvyClamping clamping, int minMatchesNeeded, float stepSize, params string[] tags)
{
return MoveConnectionFast(ref spline, ref tf, ref direction, ExtrapolateDistanceToTFFast(tf, distance, stepSize), clamping, minMatchesNeeded, tags);
}
/// <summary>
/// Start a spline switch
/// </summary>
/// <param name="target">the target spline to switch to</param>
/// <param name="targetTF">the target TF</param>
/// <param name="duration">duration of the switch phase</param>
public virtual void SwitchTo(CurvySpline target, float targetTF, float duration)
{
mSwitchStartTime = Time.time;
mSwitchDuration = duration;
mSwitchEventArgs = new CurvySplineMoveEventArgs(this, target, null, targetTF, 0, Direction);
mSwitchEventArgs.Data = 0f;
}
/// <summary>
/// Alter TF to reflect a movement over a certain distance using a default stepSize of 0.002, using connections if conditions match.
/// Unlike MoveByConnection() a linear approximation will be used.
/// </summary>
/// <param name="spline">the current spline</param>
/// <param name="tf">the current TF value</param>
/// <param name="direction">the current direction, 1 or -1</param>
/// <param name="distance">the distance in world units to move</param>
/// <param name="clamping">clamping mode</param>
/// <param name="minMatchesNeeded">minimum number of tags that must match to use a connection</param>
/// <param name="tags">list of tags to match</param>
/// <returns>the interpolated position</returns>
public Vector3 MoveByConnectionFast(ref CurvySpline spline, ref float tf, ref int direction, float distance, CurvyClamping clamping, int minMatchesNeeded, params string[] tags)
{
return MoveByConnectionFast(ref spline, ref tf, ref direction, distance, clamping, minMatchesNeeded, 0.002f, tags);
}
void addRandomCP(ref CurvySpline spline, int count, int totalLength)
{
Vector3[] pos=new Vector3[count];
float segLength = totalLength / (float)(count - 1);
pos[0] = Vector3.zero;
for (int i = 1; i < count; i++)
{
int dir = Random.Range(0, 2);
int sign=Random.Range(0f,1f)>0.5f ? 1 : -1;
switch (dir)
{
case 0:
pos[i] = pos[i - 1] + new Vector3(segLength * sign, 0, 0);
break;
case 1:
pos[i] = pos[i - 1] + new Vector3(0,segLength * sign,0);
break;
case 2:
pos[i] = pos[i - 1] + new Vector3(0,0,segLength * sign);
break;
}
}
spline.Add(pos);
spline.Refresh();
}
protected float getPathLength(CurvySpline spline)
{
if (!spline)
return 0;
if (StartCP)
{
if (EndCP)
{
return EndCP.Distance - StartCP.Distance;
}
}
return spline.Length;
}
/// <summary>
/// Checks if the curve is planar
/// </summary>
/// <param name="spline">a CurvySpline</param>
/// <param name="xplanar">whether the x-axis is planar</param>
/// <param name="yplanar">whether the y-axis is planar</param>
/// <param name="zplanar">whether the z-axis is planar</param>
/// <returns>true if at least on axis is planar</returns>
public static bool isPlanar(CurvySpline spline, out bool xplanar, out bool yplanar, out bool zplanar)
{
xplanar = true;
yplanar = true;
zplanar = true;
if (spline.ControlPointCount == 0) return false;
Vector3 p = spline.ControlPoints[0].Position;
for (int i = 1; i < spline.ControlPointCount; i++) {
if (!Mathf.Approximately(spline.ControlPoints[i].Position.x, p.x))
xplanar = false;
if (!Mathf.Approximately(spline.ControlPoints[i].Position.y, p.y))
yplanar = false;
if (!Mathf.Approximately(spline.ControlPoints[i].Position.z, p.z))
zplanar = false;
if (xplanar == false && yplanar == false && zplanar == false)
return false;
}
return true;
}
/// <summary>
/// Checks if the curve is planar
/// </summary>
/// <param name="spline">a CurvySpline</param>
/// <param name="ignoreAxis">returns the axis that can be ignored (0=x,1=y,2=z)</param>
/// <returns>true if a planar axis was found</returns>
public static bool isPlanar(CurvySpline spline, out int ignoreAxis)
{
bool xp, yp, zp;
bool res = isPlanar(spline, out xp, out yp, out zp);
if (xp)
ignoreAxis = 0;
else if (yp)
ignoreAxis = 1;
else
ignoreAxis = 2;
return res;
}