Function createFlowGradientMaterial

createFlowGradientMaterial(app, options): CustomShaderMaterial<MaterialConstructor>
创建一个流动的渐变材质
Parameters
- app: App
- options: {
      axis?: "Z" | "X" | "Y";
      boxinLocalSpace?: boolean;
      circleTime?: number;
      color?: ColorRepresentation;
      gradient?: boolean;
      heightOffset?: number;
      heightScale?: number;
      lightColor?: ColorRepresentation;
      lightScale?: number;
      max?: Vector3;
      min?: Vector3;
      object?: Object3D<Object3DEventMap>;
      opacity?: number;
      topColor?: ColorRepresentation;
      topOpacity?: number;
      uLightCount?: number;
  } & MaterialParameters
Returns CustomShaderMaterial<MaterialConstructor>