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, 0.005f);
}
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
}
/// <summary>
/// Rebuilds the mesh
/// </summary>
public void Refresh()
{
StartMeshInfo = null;
EndMeshInfo = null;
if (mMesh)
mMesh.Clear();
if (!mMesh || !Spline || !Spline.IsInitialized || Spline.Length==0) return;
BuildCaps();
Prepare();
if (StartMesh && StartMeshInfo!=null && ToTF - FromTF != 0) {
mVerts = new Vector3[getTotalVertexCount()];
mUV = new Vector2[mVerts.Length];
mTris = new int[getTotalTriIndexCount()];
Extrude();
mMesh.vertices = mVerts;
mMesh.uv = mUV;
mMesh.triangles = mTris;
mMesh.RecalculateNormals();
if (CalculateTangents)
MeshHelper.CalculateMeshTangents(mMesh);
}
}
