From the course: Introduction to 3D
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Polygonal surfaces
- [Instructor] Typically, when we model in 3D, we take a simple object and we make it more complex. Now the simplest objects are basic 3D shapes, such as sphere. Now the sphere is what we would call a primitive. Now most 3D software will have a collection of primitives that you can use as the basis of more complex objects. So some other examples might be a cylinder or a box or a cube. Now all of these are basic geometric shapes that we can use to create more complex shapes. Now we're looking at polygonal modeling, so let's take a look at some of the fundamentals of a polygonal surface. Now I'm going to go back to my sphere. And let's take a look at what makes up a polygonal surface. We have three major types of components or sub-objects in a polygonal surface. The first one are vertices. So these are the points here that make up this surface. So each one of these points basically defines a point in space and defines part…
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