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With today's movies, it's becoming harder to tell what is and isn't real. Thanks to computers, moviemakers can now put their imaginations to full use. There’s even a new type of character ― made entirely by computers ― which is getting more and more screen time.
Making the impossible look easy has always been a part of movie magic. As far back as 1895, filmmakers used special effects in movies. Over the years, many new techniques were developed. Then, starting in the 1970s, computers took their place at the center of the process.
One of the first movies to widely use 3D computer-generated imagery (CGI) was Tron (1982). In the years following Tron, more CGI characters were brought to life one by one. Then, in 1993, Jurassic Park brought us an island full of man-eating dinosaurs, Toy Story (1995) became the first cartoon made entirely with 3D CGI effects. It was a big hit, and audiences loved the characters.
By using “motion capture” technology filmmakers can make the movements of CGI “humans” even more lifelike. With this technique, a real actor wears sensors on his or her face and body. The sensors record the actor’s movements and send the information to a computer. Then the movements are given to a CGI character. This technique was used to make the creature Gollum in the second and third The Lord of the Rings movies (2002, 2003). Other films, like Avatar (2009), have also used motion capture techniques to help create CGI characters.
It is still rather easy to tell that a CGI human is not real. But the technology is improving every year. Over time, many problems (like the teeth and eyes looking fake) will surely be solved. We will also see more CGI animals, monsters, and people in movies and TV shows. The question is, in the future, how many real actors will be put out of work by computer actors?
