C# (CSharp) SplineSegment.GetTangent示例

        public SplineSegment ProcessSpline(SplineSegment spline)
        {
            spline.Recalculate(true);
            var config = Configuration.GetConfig <Config>();

            if (config == null)
            {
                return(spline);
            }

            var rand = new Random(NodeConnection.ThisNode.Seed);

            float accum = (float)rand.NextDouble() * (rand.Flip() ? -1 : 1);

            for (var i = 0; i < spline.Points.Count; ++i)
            {
                var p       = spline.Points[i];
                var tangent = spline.GetTangent(p.NaturalTime).normalized;
                var offset  = tangent * accum * config.AmplitudeCoefficient;
                p.Position = Vector3.Lerp(p.Position, p.Position + offset, config.Amplitude.Evaluate(p.UniformTime));

                spline.Points[i] = p;

                var flip = rand.NextDouble() > 0.5 ? 1 : -1;
                accum += config.Frequency * (float)rand.NextDouble() * flip;
            }
            return(spline);
        }