protected override void OnTargetTrigger(Bio target, int triggerIndex)
{
base.OnTargetTrigger(target, triggerIndex);
EntityUtils.GetEntitiesInCircle(this._buff.battle.GetEntities(), this._buff.property.position,
this._buff.radius, ref this._temp1);
EntityUtils.FilterTarget(this._buff.caster, CampType.Hostile | CampType.Neutral, EntityFlag.Hero, ref this._temp1,
ref this._temp2);
if (this._temp2.Count > 0)
{
int index = this._buff.battle.random.Next(0, this._temp2.Count); //上限是闭区间
this.CreateMissile(( Bio )this._temp2[index]);
}
else
{
this._temp2.Clear();
EntityUtils.FilterTarget(this._buff.caster, CampType.Hostile, EntityFlag.SmallPotato, ref this._temp1,
ref this._temp2);
if (this._temp2.Count > 0)
{
int index = this._buff.battle.random.Next(0, this._temp2.Count);
this.CreateMissile(( Bio )this._temp2[index]);
}
}
this._temp1.Clear();
this._temp2.Clear();
}
protected override void OnUpdate(UpdateContext context)
{
FoxFire foxFire = ( FoxFire )this.owner;
foxFire.property.Equal(Attr.Position,
Vec3.Normalize(this.angleSpeed * (foxFire.property.position - this.caster.property.position)) *
this.distance + this.caster.property.position);
this._time += context.deltaTime;
if (this._time < this._delay)
{
return;
}
this._time = 0f;
EntityUtils.GetEntitiesInCircle(foxFire.battle.GetEntities(), foxFire.property.position,
foxFire.detectRange, ref this._temp1);
EntityUtils.FilterTarget(foxFire, CampType.Hostile | CampType.Neutral, EntityFlag.Hero, ref this._temp1,
ref this._temp2);
if (this._temp2.Count > 0)
{
int index = foxFire.battle.random.Next(0, this._temp2.Count); //上限是闭区间
foxFire.Emmit(( Bio )this._temp2[index]);
}
else
{
this._temp2.Clear();
EntityUtils.FilterTarget(foxFire, CampType.Hostile, EntityFlag.SmallPotato, ref this._temp1,
ref this._temp2);
if (this._temp2.Count > 0)
{
int index = foxFire.battle.random.Next(0, this._temp2.Count);
foxFire.Emmit(( Bio )this._temp2[index]);
}
}
this._temp1.Clear();
this._temp2.Clear();
}
public override Vec3 Steer()
{
Entity self = this._behaviors.owner;
float detectRadius = MIN_DETECTION_BOX_LENGTH * (1 + self.property.speed / self.maxSpeed);
EntityUtils.GetEntitiesInCircle(self.battle.GetEntities(), self.property.position, detectRadius, ref this._temp);
this.DebugDrawDetectRadius(detectRadius);
Bio closestIntersectingObstacle = null;
float distToClosestIp = float.MaxValue;
Vec3 localPosOfClosestObstacle = Vec3.zero;
int count = this._temp.Count;
for (int i = 0; i < count; i++)
{
Bio bio = this._temp[i] as Bio;
if (bio == null ||
bio == self ||
bio.isDead ||
!bio.volumetric ||
bio.property.dashing > 0 ||
bio.property.ignoreVolumetric > 0)
{
continue;
}
Vec3 localPos = self.PointToLocal(bio.property.position);
if (localPos.x >= 0)
{
float expandedRadius = bio.size.z + self.size.z;
if (MathUtils.Abs(localPos.z) < expandedRadius)
{
float cX = localPos.x;
float cZ = localPos.z;
float sqrtPart = MathUtils.Sqrt(expandedRadius * expandedRadius - cZ * cZ);
float ip = cX - sqrtPart;
if (ip <= 0.0f)
{
ip = cX + sqrtPart;
}
if (ip < distToClosestIp)
{
distToClosestIp = ip;
closestIntersectingObstacle = bio;
localPosOfClosestObstacle = localPos;
}
}
}
}
this._temp.Clear();
if (closestIntersectingObstacle != null)
{
Vec3 steeringForce = Vec3.zero;
const float minLocalXDistance = .3f; //限定最小的x轴距离,值越小,下面得到的x轴因子越大,侧向力就越大
float multiplier = 1.5f / MathUtils.Min(minLocalXDistance, localPosOfClosestObstacle.x); //侧向力和障碍物的x距离成反比,越近x轴的因子越大,侧向力越大
steeringForce.z = -closestIntersectingObstacle.size.z * multiplier / localPosOfClosestObstacle.z; //侧向力和障碍物的半径成正比,z轴距离成反比
const float brakingWeight = .2f; //制动力因子,值越大,速度减少越快
steeringForce.x = (closestIntersectingObstacle.size.x -
localPosOfClosestObstacle.x) *
brakingWeight;
steeringForce = self.VectorToWorld(steeringForce);
this.DebugDrawForce(steeringForce * 3);
return(steeringForce);
}
return(Vec3.zero);
}
private void SelectTargets(Bio mainTarget, bool detectInOut, ref List <Bio> result)
{
if (detectInOut)
{
this._tempOldTargets.AddRange(result);
result.Clear();
}
switch (this._buff.rangeType)
{
case RangeType.Single:
//检查指定的目标是否符合条件
//在隐身等状态下也能选中,因此不能使用CanAttack方法
if (!mainTarget.isDead &&
EntityUtils.CheckCampType(this._buff.caster, this._buff.campType, mainTarget) &&
EntityUtils.CheckTargetFlag(this._buff.targetFlag, mainTarget))
{
result.Add(mainTarget);
}
break;
case RangeType.Circle:
{
bool targetAdded = false;
if (mainTarget != null &&
EntityUtils.CanAttack(this._buff.caster, mainTarget, this._buff.campType, this._buff.targetFlag))
{
targetAdded = true;
result.Add(mainTarget); //如果指定的目标符合条件则优先添加到目标列表
}
int maxTargetNum = mainTarget != null
? this._buff.maxTriggerTargets - 1
: this._buff.maxTriggerTargets;
if (maxTargetNum > 0)
{
EntityUtils.GetEntitiesInCircle(this._buff.battle.GetEntities(), this._buff.property.position,
this._buff.radius, ref this._temp1);
if (targetAdded)
{
this._temp1.Remove(mainTarget); //之前已经添加目标了
}
EntityUtils.FilterTarget(this._buff.caster, this._buff.campType, this._buff.targetFlag, ref this._temp1,
ref this._temp2);
this._temp1.Clear();
EntityUtils.FilterLimit(ref this._temp2, ref this._temp1, maxTargetNum);
int count = this._temp1.Count;
for (int i = 0; i < count; i++)
{
result.Add(( Bio )this._temp1[i]);
}
this._temp1.Clear();
this._temp2.Clear();
}
}
break;
case RangeType.Sector:
//todo
break;
}
if (detectInOut)
{
int tc = result.Count;
for (int i = 0; i < tc; i++)
{
Bio mTarget = result[i];
if (!this._tempOldTargets.Contains(mTarget))
{
this._tempEnter.Add(mTarget);
}
}
tc = this._tempOldTargets.Count;
for (int i = 0; i < tc; i++)
{
Bio mTarget = this._tempOldTargets[i];
if (!result.Contains(mTarget))
{
this._tempExit.Add(mTarget);
}
}
this.HandleTargetInOut(this._tempEnter, this._tempExit);
this._tempEnter.Clear();
this._tempExit.Clear();
this._tempOldTargets.Clear();
}
}
