UVChoppedPlane.ts

    const uvChopPlaneGeometry = new BufferGeometry()
    uvChopPlaneGeometry.setIndex([
      0,
      4,
      1,
      4,
      5,
      1,
      1,
      5,
      2,
      5,
      6,
      2,
      2,
      6,
      3,
      6,
      7,
      3
    ])
    uvChopPlaneGeometry.setAttribute(
      'position',
      new Float32BufferAttribute(
        [
          -0.5,
          0.5,
          0,
          0,
          0.5,
          0,
          0,
          0.5,
          0,
          0.5,
          0.5,
          0,
          -0.5,
          -0.5,
          0,
          0,
          -0.5,
          0,
          0,
          -0.5,
          0,
          0.5,
          -0.5,
          0
        ],
        3
      )
    )
    uvChopPlaneGeometry.setAttribute(
      'normal',
      new Float32BufferAttribute(
        [
          0,
          0,
          1,
          0,
          0,
          1,
          0,
          0,
          1,
          0,
          0,
          1,
          0,
          0,
          1,
          0,
          0,
          1,
          0,
          0,
          1,
          0,
          0,
          1
        ],
        3
      )
    )
    uvChopPlaneGeometry.setAttribute(
      'uv',
      new Float32BufferAttribute(
        [0, 1, 1, 1, 0, 0.5, 1, 0.5, 0, 0.5, 1, 0.5, 0, 0, 1, 0],
        2
      )
    )