Chris Hemsworth’s children made him accept his role in ‘Transformers One’. The 40-year-old actor voices Orion Pax aka Optimus Prime in the upcoming animated origin story, and when he was first offered the job, the ‘Thor’ star turned to his and Elsa Pataky’s three kids, India, 12, and 10-year-old twins Sasha and Tristan, who he described as his “consultants”. Admitting they “played a big part” in his accepting the role, he recalled to People magazine: “I had gone to my kids and said, ‘What do you think?’ And they said, ‘You have to do it.’ ” The trio all joined their dad in the voiceover booth …