/// <summary>
/// 矩形判定
/// 1、求圆心与中心向量（取绝对值）
/// 2、求圆心与第一象限顶点距离
/// 3、得到点到矩形边的距离（分离轴即为圆心与最近的一边的垂线段）
/// 4、与半径对比即可
/// </summary>
/// <returns></returns>
public static bool RectCollideCheck(SRect sRect, SSphere pTarget, Vector3 vDir)
{
Quaternion quat = Quaternion.LookRotation(vDir);
Quaternion inverseQuat = Quaternion.Inverse(quat);
Vector3 sTemp = pTarget.pos - sRect.center;
sTemp.y = 0;
sTemp = inverseQuat * sTemp;
//Vector2 sRectPos = new Vector2(sRect.center.x, sRect.center.z);
//Vector2 sTargetPos = new Vector2(pTarget.pos.x, pTarget.pos.z);
Vector2 vAimDir = new Vector2(0, 1);
Vector2 vOpAimDir = new Vector2(1, 0);
//test
////取二维向量绝对值
//Vector2 offestVec = Vector2.Max((sRectPos - sTargetPos), (sTargetPos - sRectPos));
//取二维向量绝对值
Vector2 offestVec = new Vector2(Mathf.Abs(sTemp.x), Mathf.Abs(sTemp.z));
//取第一象限顶点
Vector2 vertexVec = vAimDir * (sRect.length * 0.5f) + vOpAimDir * (sRect.width * 0.5f);
//当x,y某值小于0时即非垂直向量,归置为0即可
Vector2 verticalVec = Vector2.Max(offestVec - vertexVec, Vector2.zero);
return(verticalVec.sqrMagnitude <= pTarget.r * pTarget.r);
}
public override List <Avatar> GetTargetList(DRSkillData pSkillData,
Avatar pCaster, GTargetInfo sTarInfo, HashSet <int> vExcludeList)
{
List <Avatar> vTargetList = new List <Avatar>();
if (pSkillData == null || !pCaster)
{
return(vTargetList);
}
Avatar pTarget = GameEntry.Entity.GetGameEntity(sTarInfo.m_nTargetID) as Avatar;
if (!pTarget)
{
pTarget = pCaster;
}
int cnt = GetTargetCount(pSkillData /*, vExcludeList*/);
int filter = pSkillData.MSV_AreaFilter;
float minDis = pSkillData.MSV_AreaParam1;
float maxDis = pSkillData.MSV_AreaParam2;
float w = pSkillData.MSV_AreaParam3;
List <UnityGameFramework.Runtime.Entity> pList = new List <UnityGameFramework.Runtime.Entity>();
GameEntry.Entity.GetAllLoadedEntities(pList);
if (pList == null || pList.Count == 0)
{
return(vTargetList);
}
Vector3 pos = /*pSkillData.IsAreaUseTarPos() ? sTarInfo.m_vTarPos :*/ sTarInfo.m_vSrcPos;
Vector3 dir = sTarInfo.m_vAimDir;
Vector3 center = pos + dir * ((minDis + maxDis) / 2);
SRect sRect = new SRect(center, maxDis - minDis, w);
foreach (var item in pList)
{
Avatar actor = item.Logic as Avatar;
if (actor == null || actor == pCaster)
{
continue;
}
SSphere sTarSphere = new SSphere(actor.GetPos(), actor.ModelRadius);
if (GCollider.RectCollideCheck(sRect, sTarSphere, dir))
{
TryAddTarget(pSkillData, pCaster, actor, vExcludeList);
if (vTargetList.Count >= cnt)
{
if (filter > 0)
{
UpdateAreaFilter(filter, cnt, vTargetList);
}
else
{
return(vTargetList);
}
}
break;
}
}
return(vTargetList);
}
