Verb Tense - Practice Passage 2


Pixar films are computer animated. The art and science of computer animation were constantly changing. Every time a new film is made, the digital bag of tricks had a new tool in it. Docter says that making the balloons look believable was the biggest challenge.

"We had to figure out what will happen as the balloons bumped into each other," Docter says. "We had a computer program to make those movements happen," so that each one don't have to be drawn individually.

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