/// <summary>
/// Create the vertices of hose mesh.
/// </summary>
/// <param name="curve"></param>
/// <param name="segments"></param>
/// <param name="differ"></param>
/// <param name="isSeal">Is seal at both ends of hose?</param>
/// <returns>Vertices array.</returns>
protected Vector3[] CreateVertices(IMonoCurve curve, int segments, float differ, bool isSeal = false)
{
var vertices = new List <Vector3>();
for (int i = 0; i < segments - 1; i++)
{
var len = differ * i;
var node = curve.LocalEvaluate(len);
var tangent = (curve.LocalEvaluate(len + differ) - node);
vertices.AddRange(MeshBuildUtility.BuildPolygonVertices(polygon, radius, node, Quaternion.LookRotation(tangent)));
}
var lastNode = curve.LocalEvaluate(curve.Length);
var lastTangent = (lastNode - curve.LocalEvaluate(curve.Length - differ));
vertices.AddRange(MeshBuildUtility.BuildPolygonVertices(polygon, radius, lastNode, Quaternion.LookRotation(lastTangent)));
if (isSeal)
{
var polygonVertices = polygon + 1;
vertices.Add(curve.LocalEvaluate(0));
vertices.AddRange(vertices.GetRange(0, polygonVertices));
var lastPolygonStart = polygonVertices * (segments - 1);
vertices.Add(lastNode);
vertices.AddRange(vertices.GetRange(lastPolygonStart, polygonVertices));
}
return(vertices.ToArray());
}
/// <summary>
/// Rebuild renderer base curve.
/// </summary>
/// <param name="curve"></param>
public override void Rebuild(IMonoCurve curve)
{
if (curve == null || curve.Length == 0)
{
Segments = 0;
lineRenderer.SetVertexCount(0);
return;
}
Segments = MonoCurveUtility.GetSegmentCount(curve, segment, out float differ) + 1;
lineRenderer.SetVertexCount(Segments);
for (int i = 0; i < Segments; i++)
{
lineRenderer.SetPosition(i, curve.LocalEvaluate(i * differ));
}
}