code: func Vec3Lerp(dest, v1, v2 Vec3, t float32) {
  	dest[0] = v1[0] + (v2[0]-v1[0])*t
  	dest[1] = v1[1] + (v2[1]-v1[1])*t
  	dest[2] = v1[2] + (v2[2]-v1[2])*t
  }
docs: // Vec3Lerp performs a linear interpolation between two vectors. v1 toward v2
  //
  //     dest  [out]  The result vector.
  //     v1    [in]   The starting vector.
  //     v2    [in]   The destination vector.
  //     t     [in]   The interpolation factor. [Limits: 0 <= value <= 1.0]