public void Bind(List <Vector3> positions, BGCcMath math, Config config, List <BGCcSplitterPolyline.PolylinePoint> points)
{
positions.Clear();
points.Clear();
var tangentCalculated = math.IsCalculated(BGCurveBaseMath.Field.Tangent);
var baseMath = math.Math;
var sectionsCount = baseMath.SectionsCount;
//count number of straight lines
var straightLinesCount = 0;
if (!config.DoNotOptimizeStraightLines)
{
//resize only if length < sectionsCount to reduce GC
if (straightBits == null || straightBits.Length < sectionsCount)
{
Array.Resize(ref straightBits, sectionsCount);
}
straightLinesCount = CountStraightLines(baseMath, straightBits);
}
//recalculate points
InitProvider(ref positionsProvider, math, config).Build(positions, straightLinesCount, straightBits, points);
if (!config.UseLocal)
{
return;
}
//slow convertion (world->local)
var matrix = config.Transform.worldToLocalMatrix;
var count = positions.Count;
for (var i = 0; i < count; i++)
{
var localPos = matrix.MultiplyPoint(positions[i]);
positions[i] = localPos;
var point = points[i];
points[i] = new BGCcSplitterPolyline.PolylinePoint(localPos, point.Distance, tangentCalculated ? config.Transform.InverseTransformDirection(point.Tangent) : Vector3.zero);
}
}
private void Add(BGCurveBaseMath.SectionInfo section, List <Vector3> positions, List <BGCcSplitterPolyline.PolylinePoint> points, BGCcSplitterPolyline.PolylinePoint previousPoint,
BGCurveBaseMath.SectionPointInfo nextPoint, float ratio)
{
var pos = Vector3.Lerp(previousPoint.Position, nextPoint.Position, ratio);
positions.Add(pos);
points.Add(new BGCcSplitterPolyline.PolylinePoint(
pos,
Mathf.Lerp(previousPoint.Distance, section.DistanceFromStartToOrigin + nextPoint.DistanceToSectionStart, ratio),
calculatingTangents ? Vector3.Lerp(previousPoint.Tangent, nextPoint.Tangent, ratio) : Vector3.zero
));
}
