public bool IsObjectInArea(ISpaceObject obj, Shape area)
{
if (null == obj || null == area)
{
return(false);
}
Shape shape = obj.GetCollideShape();
if (null == shape)
{
LogSystem.Error("IsObjectInArea:obj({0}[{1}])'s shape is null", obj.GetID(), obj.GetObjType());
return(false);
}
return(collide_detector_.Intersect(shape, area));
}
public bool CheckCollide(ISpaceObject hiter, ISpaceObject dest)
{
Shape srcShape = hiter.GetCollideShape();
Shape destShape = dest.GetCollideShape();
if (null == srcShape)
{
LogSystem.Error("CheckCollide:hiter obj({0}[{1}])'s shape is null", hiter.GetID(), hiter.GetObjType());
return(false);
}
if (null == destShape)
{
LogSystem.Error("CheckCollide:dest obj({0}[{1}])'s shape is null", dest.GetID(), dest.GetObjType());
return(false);
}
bool is_collide = collide_detector_.Intersect(srcShape, destShape);
bool is_allready_collide = IsAllreadyCollide(hiter, dest);
if (is_collide) // 碰撞
{
if (!is_allready_collide) // 之前没有碰撞,记录下相撞的物体
//DLog._("spatialsystem", "{4} spatial collide obj({0},{1}) with obj({2},{3})",
// hiter.GetID(), hiter.GetObjType(), dest.GetID(),
// dest.GetObjType(), current_spatial_id_);
{
hiter.OnCollideObject(dest);
dest.OnCollideObject(hiter);
}
}
else if (is_allready_collide) // 当前没有碰撞，但是之前碰撞，即分离的情况
//DLog._("spatialsystem", "{4} spatial depart obj({0},{1}) with obj({2},{3})",
// hiter.GetID(), hiter.GetObjType(),
// dest.GetID(), dest.GetObjType(), current_spatial_id_);
{
hiter.OnDepartObject(dest);
dest.OnDepartObject(hiter);
}
return(is_collide);
}
private List <ISpaceObject> GetObjectCrossByLine(Vector3 startpos, Vector3 endpos, bool includeCanShoot, bool includeCanLeap, bool includeCantLeap, bool includeLevel, MyFunc <float, ISpaceObject, bool> pred)
{
List <ISpaceObject> crossed_objects = new List <ISpaceObject>();
Line line = new Line(startpos, endpos);
line.IdenticalTransform();
// 考虑阻挡对结果的影响
float distance_with_block = -1;
bool considerblock = (includeCanShoot || includeCanLeap || includeCantLeap);
if (considerblock)
{
distance_with_block = (float)GetFirstBlockCellDistance(startpos, endpos, includeCanShoot, includeCanLeap, includeCantLeap, includeLevel);
if (distance_with_block < 0)
{
considerblock = false;
}
}
m_KdTree.Query(line.GetCenter(), (float)line.GetRadius(), (float distSqr, KdTreeObject kdObj) => {
ISpaceObject obj = kdObj.SpaceObject;
if (null != obj)
{
Shape shape = obj.GetCollideShape();
if (null != shape)
{
if (collide_detector_.IsLineCrossShape(line, obj.GetCollideShape()) && pred(distSqr, obj))
{
if (considerblock)
{
if (GetDistanceWithPos(obj, startpos) < distance_with_block)
{
crossed_objects.Add(obj);
}
}
else
{
crossed_objects.Add(obj);
}
}
}
else
{
LogSystem.Error("GetObjectCrossByLine:obj({0}[{1}])'s shape is null", obj.GetID(), obj.GetObjType());
}
}
});
crossed_objects.Sort((obj1, obj2) => {
float d1 = GetDistanceWithPos(obj1, startpos);
float d2 = GetDistanceWithPos(obj2, startpos);
if (d1 > d2)
{
return(1);
}
else if (Math.Abs(d1 - d2) < 0.0001)
{
return(0);
}
else
{
return(-1);
}
});
return(crossed_objects);
}
