Method setSplat

src/ExtSplats.ts:491–519

(
    index: number,
    center: THREE.Vector3,
    scales: THREE.Vector3,
    quaternion: THREE.Quaternion,
    opacity: number,
    color: THREE.Color,
  )

  // (can be the same objects returned by getSplat). Ensures there is capacity
  // for at least index+1 Gsplats.
  setSplat(
    index: number,
    center: THREE.Vector3,
    scales: THREE.Vector3,
    quaternion: THREE.Quaternion,
    opacity: number,
    color: THREE.Color,
  ) {
    const extArrays = this.ensureSplats(index + 1);
    encodeExtSplat(
      extArrays,
      index,
      center.x,
      center.y,
      center.z,
      scales.x,
      scales.y,
      scales.z,
      quaternion.x,
      quaternion.y,
      quaternion.z,
      quaternion.w,
      opacity,
      color.r,
      color.g,
      color.b,
    );
    this.numSplats = Math.max(this.numSplats, index + 1);
  }

  // Effectively calls this.setSplat(this.numSplats++, center, ...), useful on
  // construction where you just want to iterate and create a collection of Gsplats.