//行为：攀爬移动
private void Climb()
{
//1.在触手体方向+生物移动方向上，寻找可抓取位置，修改当前抓取目标点
float fac = Utils.LerpMap(daddy.stuckCounter, 50f, 200f, 0.5f, 0.95f);
//理想抓取位置 通过触手体当前方向 和 生物体MoveDirection 球形插值计算出来
this.idealGrabPos = this.FloatBase + (Vector2)Vector3.Slerp(tentacleDir, daddy.moveDirection, fac) * this.idealLength * 0.7f;
//理想抓取方向
Vector2 idealGrabDir = this.FloatBase + (Vector2)Vector3.Slerp(Vector3.Slerp(tentacleDir, daddy.moveDirection, fac), Utils.RNV(), Mathf.InverseLerp(20f, 200f, foundNoGrabPos)) * this.idealLength * Utils.LerpMap(Math.Max(this.foundNoGrabPos, this.daddy.stuckCounter), 20f, 200f, 0.7f, 1.2f);
//获取生物体 到理想抓取位置 直线距离上的Tile
List <IntVector2> intVecLst = PhysicsUtils.RayTracedTilesArray(this.FloatBase, idealGrabDir);
bool isFind = false;
//遍历Tile
for (int i = 0; i < intVecLst.Count - 1; ++i)
{
//如果是Solid地形，考虑抓取打分
if (this.room.GetTile(intVecLst[i + 1]).Solid)
{
this.ConsiderGrabPos(Utils.RestrictInRect(idealGrabDir, this.room.TileRect(intVecLst[i]).Shrink(1f)), this.idealGrabPos);
isFind = true;
break;
}
//垂直或水平竖杆
if (this.room.GetTile(intVecLst[i]).horizontalBeam || this.room.GetTile(intVecLst[i]).verticalBeam)
{
this.ConsiderGrabPos(this.room.MiddleOfTile(intVecLst[i]), this.idealGrabPos);
isFind = true;
}
}
//设置 是否发现抓取位置 计时
if (isFind)
{
this.foundNoGrabPos = 0;
}
else
{
++this.foundNoGrabPos;
}
bool flag2 = this.secondaryGrabBackTrackCounter <200 && this.SecondaryGrabPosScore(this.secondaryGrabPos)> 0.0;
for (int index = 0; index < this.tChunks.Length; ++index)
{
if (this.backtrackFrom == -1 || this.backtrackFrom > index)
{
//粘附在地形上
this.StickToTerrain(this.tChunks[index]);
//如果存在抓取目标点
if (this.GrabDest.HasValue)
{
//如果不在抓取目标点 && Chunk距离目标点距离小于 20： 抓取目标点=true
if (!this.atGrabDest && Utils.DistLess(this.tChunks[index].pos, this.floatGrabDest.Value, 20f))
{
this.atGrabDest = true;
}
//修改Chunk的速度
if (this.tChunks[index].currentSegment <= this.grabPath.Count || !flag2)
{
this.tChunks[index].vel += Vector2.ClampMagnitude(this.floatGrabDest.Value - this.tChunks[index].pos, 20f) / 20f * 1.2f;
}
else if (index > 1 && this.segments.Count > this.grabPath.Count && flag2)
{
float ratio = Mathf.InverseLerp(grabPath.Count, segments.Count, tChunks[index].currentSegment);
Vector2 dir = Utils.DirVec(this.tChunks[index - 2].pos, this.tChunks[index].pos) * (1f - ratio) * 0.6f + Utils.DirVec(this.tChunks[index].pos, this.room.MiddleOfTile(this.GrabDest.Value)) * Mathf.Pow(1f - ratio, 4f) * 2f + Utils.DirVec(this.tChunks[index].pos, this.room.MiddleOfTile(this.secondaryGrabPos)) * Mathf.Pow(ratio, 4f) * 2f + Utils.DirVec(this.tChunks[index].pos, this.FloatBase) * Mathf.Sin(ratio * (float)Math.PI) * 0.3f;
this.tChunks[index].vel += dir.normalized * 1.2f;
if (index == this.tChunks.Length - 1)
{
this.tChunks[index].vel += Vector2.ClampMagnitude(this.room.MiddleOfTile(this.secondaryGrabPos) - this.tChunks[index].pos, 20f) / 20f * 4.2f;
}
}
}
}
}
//如果抓取目标点存在值
if (this.GrabDest.HasValue)
{
this.ConsiderSecondaryGrabPos(this.GrabDest.Value + new IntVector2(UnityEngine.Random.Range(-20, 21), UnityEngine.Random.Range(-20, 21)));
}
//如果没有抓取目标点 or 不在抓取目标点：执行更新抓取目标点
if (!this.GrabDest.HasValue || !this.atGrabDest)
{
this.UpdateClimbGrabPos();
}
}
