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Im going to be merciless when it comes to the CG parachute.Seth Gordons Back in Action contains a dramatic aerial sequence featuring a plane crash in the mountains, an avalanche and a thrilling parachute jumpall within a matter of minutes. It occurs as CIA agents Matt (Jamie Foxx) and Emily (Cameron Diaz) are ambushed on the plane for a key device they hold, and must fight off their attackers and then escape the crashing aircraft.Interestingly, the initial version of the sequence was to take place on a train. Locations were scouted in London and previs was produced for that version of the scene. However, when another Netflix film also featured a train action moment, it was decided to switch to the plane approach.We previsd the plane shots with MPCs visualization team, outlines production visual effects supervisor Erik Nash. We didnt previs all the interior action because that was done as stuntvis by the stunt team. The previs and stuntvis then helped us work out how to shoot everything.Back In Action. Behind the scenes on the set of Back In Action. Cr. John Wilson/Netflix 2024.Nash narrowed in, at first, on the parachute jump side of the sequence, since the visual effects supervisor is himself a trained parachutist (he had previously lent his expertise in that area at Digital Domain on the skydiving scene in Iron Man 3). I got to talking to second unit director J.J. Perry, who is former airborne military, and he said, You know what? You do this. This is right up your alley. You worry about the parachute part of it.Looking to film as much of that parachute section practically, Nash worked out that the unusual orientation of the jump could be donein the film, it is effectively a tandem jump where Matt and Emily are facing each other holding on, rather than one behind the other. Having seen it done a few times and knowing you can do it face-to-face, I know we could stage it so they would survive, relates Nash.The next step was to establish where to film a jump. It needed to be a snowy Alps-type environment. Production secured permissions to film in Slovenia which featured the desired mountainous location. We found a small town called Bovec that is a ski resort but also has a grass airstrip where they do skydiving from in summer, says Nash. There was also this grass landing area which was a meadow with this very steep granite mountain face that had snow all over it. It was perfect.Back In Action. BTS (L to R) Jamie Foxx as Matt and Cameron Diaz as Emily on the set of Back In Action. Cr. John Wilson/Netflix 2024.Parachutist Dave Emerson cast two stunt performers for the jump, Yolanda Lee and Christian Botakwame. Nash was then part of the helicopter shoot over Bovec to film the jump. We had a Shotover helicopter camera rig with a long lens on it. We had an even longer lens on a ground-based camera, and we had a second parachutist with a helmet mounted-camera who jumped with our stunt players. And then we had a drone camera, too. We did two jumps in one afternoon and got tons of amazing footage, and it worked better than I ever could have dreamed. No visual effects were applied to any of that footage other than the first shot where we tie in the avalanche and the explosion from where the jet cratered in. Ironically, I get a kick out of doing stuff that doesnt involve visual effects every now and then.Close-ups of Foxx and Diazs characters did involve two bluescreen inserts. I thank Seth in my head for not playing a bunch of close-ups, because theyre often really hard to do, shares Nash. I made sure that we could shoot these outside. I did not want to fake daylight on a sound stage.Similarly, Nash was adamant that the practical parachute seen in these close-ups also not appear fake. Ive seen a lot of these types of bluescreen parachuting shots just not work out. So, I had pitched an idea of doing it rigged off a flatbed truck so that theyre actually moving through space, not hanging static in place. However, it was logistically and budgetarily prohibitive. We ended up doing it the old-fashioned way by hitting them with a big rush of air. There were only two of those shots, and I thought they turned out pretty well.Part of the crash, from the films trailer.Thankfully theyre short shots, continues Nash. Its really tough to fake all of the complex dynamics of that kind of shot in terms of, okay, what is the camera platform thats photographing these? So, we have to imagine that theyre traveling through space at 30 miles an hour. If the cameras in any proximity, then really youre implying that its another parachutist that shot it. I think sometimes when these shots fail, its because the camera is often doing something it cant do. But to really shoot these close-ups theres not a lot you can do if you really had to shoot them for real.The actual deployment of the parachute was achieved digitally. I had a heart-to-heart with Malte Sarnes, MPCs visual effects supervisor for this sequence, and I told him upfront, We have to do a CG parachute for the deployment and for the landing, and it has to be great. This was because we couldnt shoot these parts with a real parachute. I said, Im going to be merciless when it comes to the CG parachute. Im going to be a hard ass. Ive seen so many unconvincing to downright bad CG parachutes over the years, and it just bugs me to no end.I think thats one of the places where CG parachutes often break down is that theres not enough transmitted light, Nash adds. Its all reflected. If you hold the fabric up to a bright sky, you can almost see through it, and theres multiple layers. So youve got the upper layer affecting the light, hitting the lower layer, but theyre both semi-translucent.Back In Action. (L to R) Cameron Diaz as Emily and Jamie Foxx as Matt in Back In Action. Cr. Courtesy of Netflix 2024.Nash arranged for the props department to send the practical parachute to the assets team at MPC in London for them to examine it. I said, Take it outside, have all your asset guys feel the fabric, hold the fabric up to the light, see what its like. We also had about 20 minutes of actual parachute jump footage from flying around in that valley. I said, Here, this is all the reference you could ever ask for.Whats more, Nash arranged for free-fall camera operator Andy Ford to deliver some parachute deployment footage of unfolding and inflating for further reference. What he did was take his helmet-mounted camera, which normally faces forward, and put it on backwards, so that when he jumped out of the plane and opened the chute, the camera was pointed in the direction of the parachute unfurling. He did several of those and then gave all of that to MPC. It let the team see all the cloth dynamics, which are incredibly noisy and erratic and random.One thing to note, says Nash, is that free-fall cameramen typically pack their parachute to open slowly because its easier on their neck with all that weight on their head from the camera. The issue was, while we got great reference, it took way too long for the parachute to inflate, in terms of what we needed to see in our scene. They pull the chute and get yanked out of the plane, so it had to happen really quickly. So, I did a re-timed, cut down version of the deployment, and it all paid off because I think MPC nailed it.Fight on a planePrior to the parachute jump, and the actual crash, a fight ensues on the plane between Matt and Emily versus a rogue crew. The fight even continues once the plane hits the side of the mountain and ends up sliding down the snowy slope. Interior scenes were filmed on a large gimbal that held a plane mock-up. It could roll 360 degrees, advises Nash. The original sequence as shot was actually quite a bit longer. There was a whole stretch in the middle where the plane was rolling down the mountain like a pencil on a sloped table. In the finished sequence, the plane rolls up on its side and then rolls back.Back In Action. (L to R) Jamie Foxx as Matt and Cameron Diaz as Emily in Back In Action. Cr. Courtesy of Netflix 2024.For background environments, production was able to film mountains, skies and clouds from a helicopter, as well as with a drone. Says Nash: We went up the ski lift to the top of the mountain, had one of those snow cats that could get us a certain distance away from all of the ski gear, and then we had a drone up there that we shot plates with. We werent able to utilize as much of that plate photography as I had hoped, partly because the lighting conditions were constantly changing on the top of this mountain.Ultimately, the bulk of the exterior shots, including the avalanche, were realized as fully CG environments by MPC. We used some of the plate photography to build some of these environments, describes Nash. Wed pick some of the plate photography, which maybe didnt do what it needed to do in terms of camera moves, and then we said, This is the lighting condition that we want to build into all our CG environments. We did use plate photography for all the air-to-air shots preceding impact with the mountain. I think there were four or five of those, including a sunset shot that Seth absolutely loved. And Im like, Oh, but theres no sunset in any of the other shots? I think you get away with it and its a gorgeous shot.Back In Action. Behind the scenes on the set of Back In Action. Cr. John Wilson/Netflix 2024.The jet itself was CG and had to match a practical jet that was filmed for a hangar scene of the characters boarding the aircraft. In that hangar, however, the jet was plain white. When it was modelled and textured and placed into the white-ish mountainous environments, the plane was deemed too nondescript. So, recounts Nash, I did a quick little Google search and looked for a simple two-color stripe scheme that we then put on our CG jet, which meant we then had to add to the practical jet in the hangar in a handful of shots for continuity.As the plane slides down the mountain, a further consideration became the amount of damage to represent on the digital fuselage. We wanted to imply that there was a lot of scraping and denting going on outside the plane while were inside covering the fight, states Nash. So, we went to 11 on the plane damage dial and had to track the progression of it all. What helped was that I had done a CG Air Force One for Iron Man 3, and in reality that is the cleanest plane ever! Which is hard to do convincingly in CG. It does not look real. So even there we had to add dirt and oil streaks on the wings.Back In Action. BTS Jamie Foxx as Matt on the set of Back In Action. Cr. Parrish Lewis/Netflix 2024.Inside the plane, as it crashes, became a messier and messier environment of ice, snow and debris. All of it was simulated, notes Nash. We did some early tests with the special effects team but found it was really hard to control and get enough airflow through the airplane set that the stuff would enter the gash and travel all the way out the far end and not settle somewhere in the middle. So it became all-CG. That was another thing where we did a first pass and the director said, More. Okay, second pass. More. There were some things like napkins and paper that were practical. Ironically, the thing that we kept seeing over and over were these red napkins and we wound up painting most of them out because they were so distracting!The post Behind the scenes of that crazy plane fight, plane crash and parachute jump in Back in Action appeared first on befores & afters.