void SetLOD_High()
 {
     ShaderLevel = EShaderLevel.High;
 }
 void SetLOD_Low()
 {
     ShaderLevel = EShaderLevel.Low;
 }
 void SetLOD_Normal()
 {
     ShaderLevel = EShaderLevel.Normal;
 }
 void Start()
 {
     ShaderLevel = EShaderLevel.High;
 }