Function findEntryOctant

  • Finds the entry plane of the first octant that a ray travels through.

    Determining the first octant requires knowing which of the t0s is the largest. The tms of the other axes must also be compared against that largest t0.

    Parameters

    • tx0: number

      Ray projection parameter.

    • ty0: number

      Ray projection parameter.

    • tz0: number

      Ray projection parameter.

    • txm: number

      Ray projection parameter mean.

    • tym: number

      Ray projection parameter mean.

    • tzm: number

      Ray projection parameter mean.

    Returns number

    The index of the first octant that the ray travels through.

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