czm_material
Holds material information that can be used for lighting. Returned by all czm_getMaterial functions.
Properties:
| Name | Type | Description | 
|---|---|---|
| diffuse | vec3 | Incoming light that scatters evenly in all directions. | 
| specular | float | Intensity of incoming light reflecting in a single direction. | 
| shininess | float | The sharpness of the specular reflection. Higher values create a smaller, more focused specular highlight. | 
| normal | vec3 | Surface's normal in eye coordinates. It is used for effects such as normal mapping. The default is the surface's unmodified normal. | 
| emission | vec3 | Light emitted by the material equally in all directions. The default is vec3(0.0), which emits no light. | 
| alpha | float | Opacity of this material. 0.0 is completely transparent; 1.0 is completely opaque. | 
