在微软Direct3D中， 是用物体对光的反射属性来表达一个物体的材质的，很显然，金属的物体和塑料的物体对光的反射会有不同的反射效果。这样做虽然有时会产生失真，但对于屏幕渲染来说也是足够了。

　　在D3D中，用下列属性来表示一个物体的材质：-Microsoft Direct3D, the light is the reflection object attributes to an expression of the material objects, Clearly, metal objects and plastic objects light reflectance have different reflection effects. While this may sometimes be distorted, but the screen is also exaggerated enough. In Motion, with the following attributes to an object of the said material :