/// <summary>
/// 点到OBB最近点
/// </summary>
public static Vector2d ClosestPointOBB(Vector2d p, FPObb b)
{
Vector2d d = p - b.center;
Vector2d q = b.center;
FixedPoint distX = Vector2d.Dot(d, b.u[0]);
if (distX > b.e.x)
{
distX = b.e.x;
}
if (distX < -b.e.x)
{
distX = -b.e.x;
}
q += b.u[0] * distX;
FixedPoint distY = Vector2d.Dot(d, b.u[1]);
if (distY > b.e.y)
{
distY = b.e.y;
}
if (distY < -b.e.y)
{
distY = -b.e.y;
}
q += b.u[1] * distY;
return(q);
}
private void InitObstacle(Vector2d pos)
{
if (!m_triggerData.Obstacle)
{
return;
}
if (m_triggerData.ShapeType == (int)eBuffTriggerShapeType.Circle)
{
Circle cir = new Circle();
cir.c = pos;
cir.r = new FixedPoint(m_triggerData.Length);
cir.bAirWall = false;
m_collider = cir;
PhysicsManager.Inst.Add(m_collider);
}
else if (m_triggerData.ShapeType == (int)eBuffTriggerShapeType.Rect)
{
int angle = (int)FPCollide.GetAngle(GetDir()).value;
FPObb obb = new FPObb(pos, new Vector2d(m_triggerData.Width, m_triggerData.Length), angle);
Polygon pol = new Polygon();
pol.c = pos;
pol.isObstacle = true;
pol.bAirWall = true;
pol.Init(obb.GetVert2d());
m_collider = pol;
PhysicsManager.Inst.Add(m_collider);
}
}
/// <summary>
/// 圆与OBB相交
/// </summary>
public static bool bSphereOBB(FPSphere s, FPObb b)
{
// p为交点
Vector2d p = ClosestPointOBB(s.c, b);
Vector2d v = p - s.c;
return(Vector2d.Dot(v, v) <= s.r * s.r);
}
// 矩形检测，获取最近的单位，进行激光链接
public override void Trigger()
{
FixedPoint minDis = new FixedPoint(999999);
CCreature minCC = null;
List <long> list = CCreatureMgr.GetCreatureList();
for (int i = 0; i < list.Count; i++)
{
CCreature creature = CCreatureMgr.Get(list[i]);
if (m_caster.bCamp(creature) || creature.IsDie())
{
continue;
}
FPSphere playerS = new FPSphere();
playerS.c = creature.GetPos();
playerS.r = creature.GetR();
Vector2d pos = m_caster.GetPos() + GetDir().normalized *new FixedPoint((m_triggerData.Length + m_triggerData.vBulletDeltaPos.z) * 0.5f);
int angle = (int)FPCollide.GetAngle(GetDir()).value;
FPObb obb = new FPObb(pos, new Vector2d(m_triggerData.Width, m_triggerData.Length), angle);
if (FPCollide.bSphereOBB(playerS, obb))
{
FixedPoint dis = Vector2d.Distance(creature.GetPos(), GetPos());
if (dis < minDis)
{
minDis = dis;
minCC = creature;
}
}
}
if (minCC != null)
{
OnHitAddBuff(m_caster, minCC);
Vector2d targetPos = GetPos() + GetDir().normalized *minDis;
if (m_vCreature != null)
{
Vector3 tH = minCC.GetVObject().GetHitHeight();
GetVTrigger().SetLineTargetPos(targetPos.ToVector3() + tH);
}
}
else
{
_CheckObstacle();
}
}
/// <summary>
/// 通过BUFF区域检测触发
/// </summary>
public virtual void Trigger()
{
if (m_triggerData.ShapeType == (int)eBuffTriggerShapeType.Circle)
{
FPSphere tSphere = new FPSphere();
tSphere.c = GetPos();
tSphere.r = new FixedPoint(m_triggerData.Length);
List <long> list = CCreatureMgr.GetCreatureList();
for (int i = 0; i < list.Count; i++)
{
CCreature creature = CCreatureMgr.Get(list[i]);
if (m_caster.bCamp(creature) || creature.IsDie())
{
continue;
}
FPSphere playerS = new FPSphere();
playerS.c = creature.GetPos();
playerS.r = creature.GetR();
if (FPCollide.bSphereSphere(tSphere, playerS))
{
OnHitAddBuff(m_caster, creature);
}
}
}
else if (m_triggerData.ShapeType == (int)eBuffTriggerShapeType.Sector)
{
List <long> list = CCreatureMgr.GetCreatureList();
for (int i = 0; i < list.Count; i++)
{
CCreature creature = CCreatureMgr.Get(list[i]);
if (m_caster.bCamp(creature) || creature.IsDie())
{
continue;
}
FPSphere playerS = new FPSphere();
playerS.c = creature.GetPos();
playerS.r = creature.GetR();
FPSector sec = new FPSector();
sec.pos = GetPos();
sec.dir = GetDir();
sec.angle = new FixedPoint(m_triggerData.Width);
sec.r = new FixedPoint(m_triggerData.Length);
if (FPCollide.bSectorInside(sec, creature.GetPos()))
{
OnHitAddBuff(m_caster, creature);
}
}
}
else if (m_triggerData.ShapeType == (int)eBuffTriggerShapeType.Rect)
{
List <long> list = CCreatureMgr.GetCreatureList();
for (int i = 0; i < list.Count; i++)
{
CCreature creature = CCreatureMgr.Get(list[i]);
if (m_caster.bCamp(creature) || creature.IsDie())
{
continue;
}
FPSphere playerS = new FPSphere();
playerS.c = creature.GetPos();
playerS.r = creature.GetR();
Vector2d pos = GetPos();
int angle = (int)FPCollide.GetAngle(GetDir()).value;
FPObb obb = new FPObb(pos, new Vector2d(m_triggerData.Width, m_triggerData.Length), angle);
if (FPCollide.bSphereOBB(playerS, obb))
{
OnHitAddBuff(m_caster, creature);
}
}
}
if (m_triggerData.PosType == (int)eBuffTriggerPosType.CasterStartPos_SkillDir)
{
// 障碍碰撞
if (CMapMgr.m_map.IsblockNotAirWal((int)m_curPos.x.value, (int)m_curPos.y.value))
{
Destory();
return;
}
if (PhysicsManager.Inst.IsblockNotAirWal((int)m_curPos.x, (int)m_curPos.y))
{
Destory();
return;
}
// 子弹碰撞
FPSphere cur = new FPSphere();
cur.c = GetPos();
cur.r = GetR();
foreach (KeyValuePair <long, CBuffTrigger> item in CBuffTriggerMgr.m_dicSkill)
{
CBuffTrigger tri = item.Value;
if (tri.m_triggerData.PosType == (int)eBuffTriggerPosType.CasterStartPos_SkillDir && tri != this && tri.m_caster != m_caster)
{
FPSphere triItem = new FPSphere();
triItem.c = tri.GetPos();
triItem.r = tri.GetR();
if (FPCollide.bSphereSphere(cur, triItem))
{
Destory();
tri.Destory();
}
}
}
}
}