Function interpolatePointsByRatio

interpolatePointsByRatio(points, ratio, options?): [number, number, number][]
通过比例(0-1)的值，得到坐标序列的点坐标的值
Parameters
- points: [number, number, number][]
  坐标序列
- ratio: number
  比例
- Optional options: {
      curRetIndex?: number;
      distance?: number;
      nextPoint?: [number, number, number];
      remainingPoints?: [number, number, number][];
      segmentDist?: number[];
  }
  选项
  - Optional curRetIndex?: number
  - Optional distance?: number
  - Optional nextPoint?: [number, number, number]
  - Optional remainingPoints?: [number, number, number][]
  - Optional segmentDist?: number[]
Returns [number, number, number][]