Type Alias SurfaceMaterialParameters
SurfaceMaterialParameters: ShaderMaterialParameters & MeshLambertMaterialParameters & {    brightness?: number;    colorRampIndex?: number;    colorRampMax?: number;    colorRampMin?: number;    colorRampReverse?: boolean;    contoursColor?: string | number | Color;    contoursColorMode?: ContourColorMode;    contoursColorModeFactor?: number;    contoursInterval?: number;    depthTexture?: Texture;    normalTexture?: Texture;    referenceDepth?: number;    saturation?: number;    showContours?: boolean;    useColorRamp?: boolean;}