/// <summary>
/// 计算并存储所有被照亮的边缘
/// </summary>
public void CalcLightedEdges(List<GameObject> wallTiles, Vector2 lightPos)
{
Init(wallTiles);
//1.基于edge中点与光源的距离与所在tile与光源的距离，筛出朝向光源的edge
for (int i = 0; i < _listEdges.Count; i++)
{
if (_listEdges[i].CalcLightDistance(lightPos))
{
_listLightedEdges.Add(_listEdges[i]);
}
}
//2.移除两个块之间夹着的edge
CleanInsideEdges();
//3.按照edge之间的相连关系，设置他们的prev和next
for (int i = 0; i < _listLightedEdges.Count; i++)
{
Edge edge = _listLightedEdges[i];
for (int j = 0; j < _listLightedEdges.Count; j++)
{
Edge another = _listLightedEdges[j];
if (edge.PointEnd.Equals(another.PointStart))
{
edge.Next = another;
another.Prev = edge;
break;
}
}
}
//4.按distance由近及远排序
_listLightedEdges.Sort((x, y) =>
{
if (x.Distance < y.Distance) return -1;
if (x.Distance > y.Distance) return 1;
return 0;
});
//5.进行射线切割
SliceEdges(lightPos);
//6.清理无头无尾的edge
CleanIsolatedEdges();
if (action != null)
{
DataShadow data = new DataShadow
{
LightedEdges = _listLightedEdges.ToArray()
};
action(data);
}
}
public void OnReceiveShadowData(DataShadow data)
{
_data = data;
UpdateLineParams();
}
/// <summary>
/// 计算并存储所有被照亮的边缘
/// </summary>
public void CalcLightedEdges(List <GameObject> wallTiles, Vector2 lightPos)
{
Init(wallTiles);
//1.基于edge中点与光源的距离与所在tile与光源的距离，筛出朝向光源的edge
for (int i = 0; i < _listEdges.Count; i++)
{
if (_listEdges[i].CalcLightDistance(lightPos))
{
_listLightedEdges.Add(_listEdges[i]);
}
}
//2.移除两个块之间夹着的edge
CleanInsideEdges();
//3.按照edge之间的相连关系，设置他们的prev和next
for (int i = 0; i < _listLightedEdges.Count; i++)
{
Edge edge = _listLightedEdges[i];
for (int j = 0; j < _listLightedEdges.Count; j++)
{
Edge another = _listLightedEdges[j];
if (edge.PointEnd.Equals(another.PointStart))
{
edge.Next = another;
another.Prev = edge;
break;
}
}
}
//4.按distance由近及远排序
_listLightedEdges.Sort((x, y) =>
{
if (x.Distance < y.Distance)
{
return(-1);
}
if (x.Distance > y.Distance)
{
return(1);
}
return(0);
});
//5.进行射线切割
SliceEdges(lightPos);
//6.清理无头无尾的edge
CleanIsolatedEdges();
if (action != null)
{
DataShadow data = new DataShadow
{
LightedEdges = _listLightedEdges.ToArray()
};
action(data);
}
}
public void OnReceiveShadowData(DataShadow data)
{
_data = data;
UpdateLineParams();
}
