/// <summary>
/// 绘制面片
/// </summary>
private void DrawMesh(Vector3 pos)
{
try
{
KeyValuePair <int, int> rw = this.GetRowColByPos(pos);
if (rw.Key > this.m_arrRow || rw.Value > this.m_arrCol)
{
Debug.LogError("选择的区域已出边界！");
return;
}
MeshFilter filter = this.m_mesh.GetComponent <MeshFilter>();
if (filter == null)
{
filter = this.m_mesh.AddComponent <MeshFilter>();
}
Mesh mesh = filter.mesh;
MeshRenderer renderer = this.m_mesh.GetComponent <MeshRenderer>();
if (renderer == null)
{
renderer = this.m_mesh.AddComponent <MeshRenderer>();
}
if (renderer.material == null)
{
Material material = new Material(Shader.Find("Diffuse"));
renderer.sharedMaterial = material;
}
Mesh CacheMesh = TryGetMesh(rw);
if (CacheMesh != null && CacheMesh != mesh)
{
filter.mesh = CacheMesh;
this.CurrenMesh = CacheMesh;
}
else if (mesh == null || CacheMesh == null)
{
if (this.m_meshType == GridShapeType.RegularHexagon)
{
mesh = RegularHexagonGrid.Create <RegularHexagonGrid>(pos).mesh;
}
else
{
mesh = SquareGrid.Create <SquareGrid>(pos).mesh;
}
if (mesh == null)
{
Debug.LogError("该区域不能选择！");
return;
}
if (mesh.vertices.Length > 300)
{
Debug.LogErrorFormat("顶点数据过大 {0} :{1}", rw.Key, rw.Value);
}
mesh.RecalculateNormals();
mesh.RecalculateBounds();
filter.mesh = mesh;
this.CurrenMesh = mesh;
this.TryAddMesh(rw, mesh);
}
}
catch (Exception ex)
{
Debug.LogException(ex);
}
}