/// <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 (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);
}
void Prepare()
{
#if UNITY_EDITOR
mPerfWatch.Reset();
mPerfWatch.Start();
#endif
if (Spline && StartMesh && ExtrusionParameter > 0)
{
StartMeshInfo = new MeshInfo(StartMesh, true, false);
if (EndMesh)
{
EndMeshInfo = new MeshInfo(EndMesh, false, true);
}
else
{
EndMeshInfo = new MeshInfo(StartMesh, false, true);
}
// Calculate Steps
float tf = FromTF;
mSegmentInfo.Clear();
FromTF = Mathf.Clamp01(FromTF);
ToTF = Mathf.Max(FromTF, Mathf.Clamp01(ToTF));
Vector3 scale;
if (FromTF != ToTF)
{
switch (Extrusion)
{
case MeshExtrusion.FixedF:
while (tf < ToTF)
{
scale = getScale(tf);
mSegmentInfo.Add(new CurvyMeshSegmentInfo(this, tf, scale));
tf += ExtrusionParameter;
}
break;
case MeshExtrusion.FixedDistance:
float d = Spline.TFToDistance(FromTF);
tf = Spline.DistanceToTF(d);
while (tf < ToTF)
{
scale = getScale(tf);
mSegmentInfo.Add(new CurvyMeshSegmentInfo(this, tf, d, scale));
d += ExtrusionParameter;
tf = Spline.DistanceToTF(d);
}
break;
case MeshExtrusion.Adaptive:
while (tf < ToTF)
{
scale = getScale(tf);
mSegmentInfo.Add(new CurvyMeshSegmentInfo(this, tf, scale));
int dir = 1;
Spline.MoveByAngle(ref tf, ref dir, ExtrusionParameter, CurvyClamping.Clamp, 0.001f);
}
break;
}
if (!Mathf.Approximately(tf, ToTF))
{
tf = ToTF;
}
scale = getScale(tf);
mSegmentInfo.Add(new CurvyMeshSegmentInfo(this, tf, scale));
}
}
#if UNITY_EDITOR
mPerfWatch.Stop();
DebugPerfPrepare = mPerfWatch.ElapsedTicks / (double)System.TimeSpan.TicksPerMillisecond;
mPerfWatch.Reset();
#endif
}
