List <int> getAllNeighborTriangelIndex(ref Vector3 movablePos, int overlapCount, out Collider nearestC)
{
// 只有1個的話
if (overlapCount == 1)
{
var c = colliderList[0];
nearestC = c;
return(c.GetComponent <GravitySensor>().neighborTriangleIndex);
}
// 找出最近的GS(1個以上)
// 有甜甜圈的交界處的GravitySensor，會漏掉一些相鄰資訊
var vertexInfoList = new List <VertexInfo>();
for (int i = 0; i < overlapCount; i++)
{
Collider c = colliderList[i];
var vPos = c.transform.position;
var vNormal = c.transform.forward;
vertexInfoList.Add(new VertexInfo()
{
position = vPos, normal = vNormal, distance = (vPos - movablePos).sqrMagnitude, collider = c
});
}
vertexInfoList.Sort(
(VertexInfo a, VertexInfo b) =>
{
if (a.distance < b.distance)
{
return(-1);
}
else
{
return(1);
}
}
);
nearestC = vertexInfoList[0].collider;
// 最近的2個
var gs0 = vertexInfoList[0].collider.GetComponent <GravitySensor>();
var gs1 = vertexInfoList[1].collider.GetComponent <GravitySensor>();
var distance_0_1 = (gs0.transform.position - gs1.transform.position).magnitude;
if (GeometryTool.floatEqual(distance_0_1, 0))
{
// Debug.Log("GravitySensor合體");
List <int> list = new List <int>();
list.AddRange(gs0.neighborTriangleIndex);
list.AddRange(gs1.neighborTriangleIndex);
return(list);
}
else
{
return(gs0.neighborTriangleIndex);
}
}