/// <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>
/// Get segment count of mono curve.
/// </summary>
/// <param name="curve"></param>
/// <param name="segment"></param>
/// <param name="differ">Differentiation.</param>
/// <returns>Detail count of mono curve.</returns>
public static int GetSegmentCount(IMonoCurve curve, float segment, out float differ)
{
//AwayFromZero means that 12.5 -> 13
var count = (int)Math.Round(curve.Length / segment, MidpointRounding.AwayFromZero);
count = Mathf.Max(count, 1);
differ = curve.Length / count;
return(count);
}
/// <summary>
/// Rebuild collider base curve.
/// </summary>
/// <param name="curve"></param>
public override void Rebuild(IMonoCurve curve)
{
if (curve == null || curve.Length == 0)
{
Segments = 0;
ClearCollider();
return;
}
RebuildCollider(curve);
}
/// <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));
}
}
/// <summary>
/// Set capsule colliders.
/// </summary>
/// <param name="curve"></param>
/// <param name="segments"></param>
/// <param name="differ"></param>
protected virtual void SetCapsules(IMonoCurve curve, int segments, float differ)
{
for (int i = 0; i < segments; i++)
{
var node = colliderGroup.GetChild(i);
node.position = curve.Evaluate((i + 0.5f) * differ);
var tangent = (curve.Evaluate((i + 1) * differ) - curve.Evaluate(i * differ));
node.LookAt(node.position + tangent);
var capsule = node.GetComponent <CapsuleCollider>();
capsule.enabled = enabled;
capsule.center = Vector3.zero;
capsule.direction = 2;
capsule.height = differ + radius * 2;
capsule.radius = radius;
capsule.isTrigger = isTrigger;
capsule.material = material;
}
}
/// <summary>
/// Rebuild collider for mono curve.
/// </summary>
protected override void RebuildCollider(IMonoCurve curve)
{
Segments = MonoCurveUtility.GetSegmentCount(curve, segment, out float differ);
RequireCapsules(Segments);
SetCapsules(curve, Segments, differ);
}
/// <summary> /// Rebuild renderer base mono curve. /// </summary> /// <param name="curve"></param> public abstract void Rebuild(IMonoCurve curve);
/// <summary>
/// [MESSAGE] On mono curve rebuild.
/// </summary>
/// <param name="curve"></param>
private void OnMonoCurveRebuild(IMonoCurve curve)
{
Rebuild(curve);
}
/// <summary>
/// Rebuild renderer base curve.
/// </summary>
/// <param name="curve"></param>
public override void Rebuild(IMonoCurve curve)
{
this.curve = curve;
base.Rebuild();
}
/// <summary> /// Rebuild collider for mono curve. /// </summary> protected abstract void RebuildCollider(IMonoCurve curve);
