实体定义
材质基类(GfcMaterial)。
属性定义
序号属性名称中文解释数据类型必填
GfcRoot
GfcAppearanceMaterial
1Color颜色GfcColor
2DoubleSide是否双面贴材质GfcBoolean
3Opacity不透明度GfcDouble
4TintColorGfcColor
5BumpScaleGfcDouble
6FillPatternGfcString
7PolygonOffsetGfcBoolean
8PolygonOffsetFactorGfcDouble
9PolygonOffsetUnitsGfcDouble
10Textures纹理列表LIST [0:?] OF GfcSurfaceTexture
继承关系
GfcRoot
  └GfcAppearanceMaterial
    ├GfcPHONGAppearanceMaterial
    └GfcPBRAppearanceMaterial