/// <summary>
/// 获取滚动进入的邻边多边形形
/// </summary>
/// <param name="s">起点，s点在目标三角形内</param>
/// <param name="e">终点</param>
/// <param name="TargetTri">目标三角形</param>
/// <param name="collision"></param>
/// <returns>true：有进入 false 未进入</returns>
public bool CheckIntoNearTriangle(Vector3 s, Vector3 e, GolfAIMapPolygon PolyTarget, ref GolfIntoTriCollision collision)
{
Vector3 hitPoint = Vector3.zero;
if (PolyTarget == null)
{
return(false);
}
// 判断是否在多边形内部
if (PolyTarget.CheckProjectionInArea(e) == true)
{
return(false);
}
//
if (collision == null)
{
collision = new GolfIntoTriCollision();
}
collision.ColType = CollisionType.Out;
List <Index2> l = m_Qtree.GetAllTri(e);
if (l == null || l.Count == 0)
{
return(false);
}
foreach (Index2 v in l)
{
GolfMaptriangle tri = GetMapTriangle(v);
if (tri.Parent == PolyTarget)
{
continue;
}
if (tri.GetLineIntersectPoint(s, e, ref hitPoint) == true)
{
collision.Poly = tri.Parent;
collision.Point = hitPoint;
return(true);
}
}
return(false);
}
/// <summary>
/// 计算下一个真正的滚动点
/// </summary>
/// <param name="startPoint"></param>
/// <param name="nextPosition"></param>
/// <param name="nextVelocity"></param>
/// <param name="acc"></param>
/// <param name="time"></param>
/// <returns></returns>
public GolfRollPoint CalcRealRollPoint(GolfRollPoint startPoint, Vector3 nextPosition, Vector3 nextVelocity, Vector3 acc, float time)
{
GolfRollPoint nextPoint = new GolfRollPoint();
GolfIntoTriCollision collision = null;
bool isChangeTri = m_CurMap.CheckIntoNearTriangle(startPoint.Position, nextPosition, startPoint.Poly, ref collision);
if (isChangeTri)
{
//切换三角面，这里返回的collision是预测滚动路径与三角面对应边的交点，即真正的下一个点
nextPoint.Position = collision.Point;
float realTime = time;
nextPoint.Velocity = CalcRealRollVelocity(startPoint.Position, collision.Point, startPoint.Velocity, startPoint.AType, startPoint.Poly, time, acc, out realTime);;
nextPoint.Poly = collision.Poly;
nextPoint.AType = collision.Type;
nextPoint.IsRoll = true;
nextPoint.ColType = collision.ColType;
nextPoint.Interval = realTime;
nextPoint.IsRoll = true;
nextPoint.Status = BallRunStatus.Roll;
//Debug.Log("Change TriCalcRollP: " + " Position:" + nextPoint.Position + " Vel:" + nextPoint.Velocity + " acc:" + acc + " Tri:" + nextPoint.MapTri + " SubMap:" + nextPoint.SubMap);
}
else
{
//在同一个三角面，按正常跑
nextPoint.Position = nextPosition;
nextPoint.Velocity = nextVelocity;
nextPoint.Poly = startPoint.Poly;
nextPoint.AType = startPoint.AType;
nextPoint.IsRoll = true;
nextPoint.ColType = startPoint.ColType;
nextPoint.Interval = time;
nextPoint.IsRoll = true;
nextPoint.Status = BallRunStatus.Roll;
//Debug.Log("No ChangeTriCalcRollP: " + " Position:" + nextPoint.Position + " Vel:" + nextPoint.Velocity + " acc:" + acc + " Tri:" + nextPoint.MapTri + " SubMap:" + nextPoint.SubMap);
}
return(nextPoint);
}