Difference between revisions of "A beginner's guide, lesson 3 - The external world"
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A beginner's guide, lesson 3 - The external world (edit)
Revision as of 23:37, 27 May 2006
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The exterior world is described by a Height Map. What is this? | The exterior world is described by a Height Map. What is this? | ||
When we look around the world of Tamriel it looks solid enough. | When we look around the world of Tamriel it looks solid enough. | ||
Mountains | Mountains soar and valleys dip. You look at a mountain and it appears to be a solid impenetrable object. In fact it’s just a skin or shell, there is no mountain inside it. The effect of a natural landscape has been achieved by altering the shape of this thin veneer or skin. | ||
Without any height changes the world would be totally flat, and made up a structured collection of nodes and connecting vertices. | Without any height changes the world would be totally flat, and made up a structured collection of nodes and connecting vertices. | ||
Imagine a grid of squares each with an extra point in the middle of each square. If you make the central point higher than the four points it connects to, you will get a pyramid like structure forming a hill. | Imagine a grid of squares each with an extra point in the middle of each square. If you make the central point higher than the four points it connects to, you will get a pyramid like structure forming a hill. | ||