message: don't set doubleSided=true when alpha<1 in getQualityProps
diff: @@ -51,6 +51,7 @@ export interface QualityProps {
  linearSegments: number
  resolution: number
  doubleSided: boolean
  + alpha: number
  }
  export const DefaultQualityThresholds = {
  @@ -151,6 +152,10 @@ export function getQualityProps(props: Partial<QualityProps>, data?: any) {
  break;
  }
  + if (props.alpha !== undefined && props.alpha < 1) {
  + doubleSided = false;
  + }
  +
  return {
  detail,
  radialSegments,
  