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The computer animations used in movies and games are now so lifelike, it is very hard to believe that you are actually watching a surface built from simple shapes of triangles. But, more often than not, this is exactly what you are seeing, as the image of a killeroo below demonstrates. Find out more about the maths involved in creating such a beast in the article It's all in the detail.
![](/issue50/features/dench/chunky_3.jpg)
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