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