public void GetPoint(TweenPlugPathPoint output, float perc, TweenPlugPathPoint[] wps, TweenPlugPath p)
{
int numSections = wps.Length - 1; // Considering also control points
int tSec = (int)Mathf.Floor(perc * numSections);
int currPt = numSections - 1;
if (currPt > tSec)
{
currPt = tSec;
}
float u = perc * numSections - currPt;
var aPt = currPt == 0 ? p.controlPoints[0].a : wps[currPt - 1];
var bPt = wps[currPt];
var cPt = wps[currPt + 1];
var dPt = currPt + 2 > wps.Length - 1 ? p.controlPoints[1].a : wps[currPt + 2];
var ptCount = p.pathPointCount;
for (int i = 0; i < ptCount; i++)
{
float a = aPt.vals[i], b = bPt.vals[i], c = cPt.vals[i], d = dPt.vals[i];
output.vals[i] = .5f * (
(-a + 3f * b - 3f * c + d) * (u * u * u)
+ (2f * a - 5f * b + 4f * c - d) * (u * u)
+ (-a + c) * u
+ 2f * b);
}
}
void SetTimeToLengthTables(TweenPlugPath p, int subdivisions)
{
TweenPlugPathPoint prevP = _cachePoint1, currP = _cachePoint2;
var ptCount = p.pathPointCount;
float pathLen = 0;
float incr = 1f / subdivisions;
float[] timesTable = new float[subdivisions];
float[] lengthsTable = new float[subdivisions];
GetPoint(prevP, 0, p.wps, p);
for (int i = 1; i < subdivisions + 1; ++i)
{
float perc = incr * i;
GetPoint(currP, perc, p.wps, p);
pathLen += TweenPlugPathPoint.Distance(currP, prevP, ptCount);
prevP.Copy(currP, ptCount);
timesTable[i - 1] = perc;
lengthsTable[i - 1] = pathLen;
}
// Assign
p.length = pathLen;
p.timesTable = timesTable;
p.lengthsTable = lengthsTable;
}
public void Copy(TweenPlugPathPoint src, int length)
{
if (vals == null || vals.Length < length)
{
vals = new float[length];
}
System.Array.Copy(src.vals, vals, length);
}
public bool Equal(TweenPlugPathPoint other, int length)
{
for (int i = 0; i < length; i++)
{
if (vals[i] != other.vals[i])
{
return(false);
}
}
return(true);
}
public bool Approximately(TweenPlugPathPoint other, int length)
{
for (int i = 0; i < length; i++)
{
if (!Mathf.Approximately(vals[i], other.vals[i]))
{
return(false);
}
}
return(true);
}
public void FinalizePath(TweenPlugPath p, TweenPlugPathPoint[] wps, bool isClosedPath)
{
// Add starting and ending control points (uses only one vector per control point)
int wpsLen = wps.Length;
if (p.controlPoints == null || p.controlPoints.Length != 2)
{
p.controlPoints = new TweenPlugPathControlPoint[2];
}
if (isClosedPath)
{
p.controlPoints[0] = new TweenPlugPathControlPoint(wps[wpsLen - 2], _emptyPoint);
p.controlPoints[1] = new TweenPlugPathControlPoint(wps[1], _emptyPoint);
}
else
{
p.controlPoints[0] = new TweenPlugPathControlPoint(wps[1], _emptyPoint);
var lastP = wps[wpsLen - 1];
var lastP2 = wps[wpsLen - 2];
var newPt = new TweenPlugPathPoint(lastP.vals.Length);
for (int i = 0; i < newPt.vals.Length; i++)
{
var lastPVal = lastP.vals[i];
var diffVVal = lastPVal - lastP2.vals[i];
newPt.vals[i] = lastPVal + diffVVal;
}
p.controlPoints[1] = new TweenPlugPathControlPoint(newPt, _emptyPoint);
}
// p.subdivisions = (wpsLen + 2) * p.subdivisionsXSegment;
var subdivisions = wpsLen * p.subdivisionsXSegment;
if (p.isConstantSpeed)
{
// Store time to len tables
SetTimeToLengthTables(p, subdivisions);
}
else
{
//only generate path length
SetPathLength(p, subdivisions);
}
}
public void GetPoint(TweenPlugPathPoint output, float perc, TweenPlugPathPoint[] wps, TweenPlugPath p)
{
var ptCount = p.pathPointCount;
if (perc <= 0)
{
p.linearWPIndex = 1;
output.Copy(wps[0], ptCount);
return;
}
int startPIndex = 0;
int endPIndex = 0;
int count = p.timesTable.Length;
for (int i = 1; i < count; i++)
{
if (p.timesTable[i] >= perc)
{
startPIndex = i - 1;
endPIndex = i;
break;
}
}
float startPPerc = p.timesTable[startPIndex];
float partialPerc = perc - startPPerc;
float partialLen = p.length * partialPerc;
var wp0 = wps[startPIndex];
var wp1 = wps[endPIndex];
p.linearWPIndex = endPIndex;
//output = wp0 + clamp(wp1 - wp0, partialLen)
for (int i = 0; i < ptCount; i++)
{
output.vals[i] = wp1.vals[i] - wp0.vals[i];
}
output.ClampMagnitude(partialLen, ptCount);
for (int i = 0; i < ptCount; i++)
{
output.vals[i] += wp0.vals[i];
}
}
public static float Distance(TweenPlugPathPoint a, TweenPlugPathPoint b, int length)
{
//NOTE: assume b has the same length as a
if (length == 1)
{
return(Mathf.Abs(a.vals[0] - b.vals[0]));
}
float sqrLen = 0f;
for (int i = 0; i < length; i++)
{
var delta = a.vals[i] - b.vals[i];
sqrLen += delta * delta;
}
return(Mathf.Sqrt(sqrLen));
}
// Linear exception: also sets waypoints lengths and doesn't set lengthsTable since it's useless
void SetTimeToLengthTables(TweenPlugPath p, int subdivisions)
{
float pathLen = 0;
int wpsLen = p.wps.Length;
var ptCount = p.pathPointCount;
var prevP = p.wps[0];
for (int i = 1; i < wpsLen; i++)
{
var currP = p.wps[i];
float dist = TweenPlugPathPoint.Distance(currP, prevP, ptCount);
pathLen += dist;
prevP = currP;
}
// Assign
p.length = pathLen;
p.lengthsTable = null;
p.timesTable = null;
}
public object GetValueFromPathPoint(MaterialTrack.ValueType valueType, TweenPlugPathPoint pt)
{
switch (valueType)
{
case MaterialTrack.ValueType.Color:
return(pt.valueColor);
case MaterialTrack.ValueType.Vector:
return(pt.valueVector4);
case MaterialTrack.ValueType.Float:
case MaterialTrack.ValueType.Range:
return(pt.valueFloat);
case MaterialTrack.ValueType.TexOfs:
case MaterialTrack.ValueType.TexScale:
return(pt.valueVector2);
}
return(null);
}
void SetPathLength(TweenPlugPath p, int subdivisions)
{
TweenPlugPathPoint prevP = _cachePoint1, currP = _cachePoint2;
var ptCount = p.pathPointCount;
float pathLen = 0;
float incr = 1f / subdivisions;
GetPoint(prevP, 0, p.wps, p);
for (int i = 1; i < subdivisions + 1; ++i)
{
float perc = incr * i;
GetPoint(currP, perc, p.wps, p);
pathLen += TweenPlugPathPoint.Distance(currP, prevP, ptCount);
prevP.Copy(currP, ptCount);
}
// Assign
p.length = pathLen;
p.timesTable = null;
p.lengthsTable = null;
}
public object GetValueFromPathPoint(PropertyTrack.ValueType valueType, TweenPlugPathPoint pt)
{
switch (valueType)
{
case PropertyTrack.ValueType.Float:
return(pt.valueFloat);
case PropertyTrack.ValueType.Integer:
return(Mathf.RoundToInt(pt.valueFloat));
case PropertyTrack.ValueType.Long:
return(System.Convert.ToInt64(Mathf.RoundToInt(pt.valueFloat)));
case PropertyTrack.ValueType.Double:
return(System.Convert.ToDouble(pt.valueFloat));
case PropertyTrack.ValueType.Vector2:
return(pt.valueVector2);
case PropertyTrack.ValueType.Vector3:
return(pt.valueVector3);
case PropertyTrack.ValueType.Vector4:
return(pt.valueVector4);
case PropertyTrack.ValueType.Color:
return(pt.valueColor);
case PropertyTrack.ValueType.Rect:
return(pt.valueRect);
case PropertyTrack.ValueType.Quaternion: //TODO: quaternion is treated as euler angles
return(Quaternion.Euler(pt.valueVector3));
}
return(null);
}
protected override Color GetValue(TweenPlugPathPoint pt)
{
return(pt.valueVector4);
}
protected override bool Equal(TweenPlugPathPoint pt, Color curVal)
{
return(pt.valueColor == curVal);
}
protected override bool Equal(TweenPlugPathPoint pt, Vector4 curVal)
{
return(pt.valueVector4 == curVal);
}
protected override Vector3 GetValue(TweenPlugPathPoint pt)
{
return(pt.valueVector3);
}
protected override bool ApproximatelyEqual(TweenPlugPathPoint pt, double curVal)
{
return(pt.Approximately((float)curVal));
}
public TweenPlugPathControlPoint(TweenPlugPathPoint a, TweenPlugPathPoint b)
{
this.a = a;
this.b = b;
}
protected override bool Equal(TweenPlugPathPoint pt, int curVal)
{
return(pt.valueFloat == curVal);
}
protected abstract bool Equal(TweenPlugPathPoint pt, T curVal);
protected abstract bool ApproximatelyEqual(TweenPlugPathPoint pt, T curVal);
protected override long GetValue(TweenPlugPathPoint pt)
{
return(Mathf.RoundToInt(pt.valueFloat));
}
protected override bool ApproximatelyEqual(TweenPlugPathPoint pt, Quaternion curVal)
{
return(pt.Approximately(curVal.eulerAngles));
}
protected override bool Equal(TweenPlugPathPoint pt, Quaternion curVal)
{
return(pt.valueVector3 == curVal.eulerAngles);
}
protected override Quaternion GetValue(TweenPlugPathPoint pt)
{
return(Quaternion.Euler(pt.valueVector3));
}
protected override Rect GetValue(TweenPlugPathPoint pt)
{
return(pt.valueRect);
}
protected override bool ApproximatelyEqual(TweenPlugPathPoint pt, int curVal)
{
return(pt.Approximately(curVal));
}
protected abstract T GetValue(TweenPlugPathPoint pt);
protected override float GetValue(TweenPlugPathPoint pt)
{
return(pt.valueFloat);
}
// Clones this path with the given loop increment
public TweenPlugPath CloneIncremental(int loopIncrement)
{
if (_incrementalClone != null)
{
if (_incrementalIndex == loopIncrement)
{
return(_incrementalClone);
}
}
var _incCachePt = new TweenPlugPathPoint(pathPointCount);
int wpsLen = wps.Length;
int ptCount = pathPointCount;
//diff
for (int i = 0; i < ptCount; i++)
{
_incCachePt.vals[i] = wps[wpsLen - 1].vals[i] - wps[0].vals[i];
}
var incrWps = new TweenPlugPathPoint[wps.Length];
for (int i = 0; i < wpsLen; ++i)
{
incrWps[i] = new TweenPlugPathPoint(ptCount);
for (int j = 0; j < ptCount; j++)
{
incrWps[i].vals[j] = wps[i].vals[j] + (_incCachePt.vals[j] * loopIncrement); //wps[i] + (diff * loopIncrement)
}
}
int cpsLen = controlPoints.Length;
var incrCps = new TweenPlugPathControlPoint[cpsLen];
for (int i = 0; i < cpsLen; ++i)
{
var a = new TweenPlugPathPoint(ptCount);
var b = new TweenPlugPathPoint(ptCount);
//incrCps[i] = controlPoints[i] + (diff * loopIncrement);
for (int j = 0; j < ptCount; j++)
{
a.vals[j] = controlPoints[i].a.vals[j] + (_incCachePt.vals[j] * loopIncrement);
b.vals[j] = controlPoints[i].b.vals[j] + (_incCachePt.vals[j] * loopIncrement);
}
incrCps[i] = new TweenPlugPathControlPoint(a, b);
}
_incrementalClone = new TweenPlugPath();
_incrementalIndex = loopIncrement;
_incrementalClone.type = type;
_incrementalClone.subdivisionsXSegment = subdivisionsXSegment;
_incrementalClone.wps = incrWps;
_incrementalClone.controlPoints = incrCps;
_incrementalClone._cachePoint = _incCachePt;
_incrementalClone.length = length;
_incrementalClone.timesTable = timesTable;
_incrementalClone.lengthsTable = lengthsTable;
_incrementalClone._decoder = _decoder;
return(_incrementalClone);
}