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 }