public List <PositionComponent> CollectEntity_ForwardSector(Vector3FP position, Vector2FP facing, FixPoint radius, FixPoint degree, int exclude_id)
{
FixPoint cos = FixPoint.Cos(FixPoint.Degree2Radian(degree >> 1));
m_collection.Clear();
Vector2FP source = new Vector2FP(position.x, position.z);
Vector2FP target = new Vector2FP();
PositionComponent cmp;
for (int i = 0; i < m_entities.Count; ++i)
{
cmp = m_entities[i];
if (cmp.GetOwnerEntityID() == exclude_id)
{
continue;
}
target.x = cmp.CurrentPosition.x;
target.z = cmp.CurrentPosition.z;
Vector2FP to_target = target - source;
FixPoint distance = to_target.FastNormalize();
if (distance > radius + cmp.Radius)
{
continue;
}
if (to_target.Dot(ref facing) < cos)
{
continue;
}
m_collection.Add(cmp);
}
return(m_collection);
}
public List <PositionComponent> CollectEntity_ForwardSector(Vector3FP position, Vector2FP facing, FixPoint radius, FixPoint degree, int exclude_id)
{
FixPoint cos = FixPoint.Cos(FixPoint.Degree2Radian(degree >> 1));
m_collection.Clear();
Vector2FP start_position = new Vector2FP(position.x - radius, position.z - radius);
Vector2FP end_position = new Vector2FP(position.x + radius, position.z + radius);
ComputeAreaXZ(start_position, end_position);
Cell cell;
Vector2FP source = new Vector2FP(position.x, position.z);
Vector2FP target = new Vector2FP();
PositionComponent cmp;
for (int x = m_min_x; x <= m_max_x; ++x)
{
for (int z = m_min_z; z <= m_max_z; ++z)
{
cell = m_cells[x, z];
for (int i = 0; i < cell.m_entities.Count; ++i)
{
cmp = cell.m_entities[i];
if (cmp.GetOwnerEntityID() == exclude_id)
{
continue;
}
target.x = cmp.CurrentPosition.x;
target.z = cmp.CurrentPosition.z;
Vector2FP to_target = target - source;
FixPoint distance = to_target.FastNormalize();
if (distance > radius + cmp.Radius)
{
continue;
}
if (to_target.Dot(ref facing) < cos)
{
continue;
}
m_collection.Add(cmp);
}
}
}
return(m_collection);
}