What is Geometry

Geometry/polygon mesh is a collection of vertices, edges and faces that make up the shape of a 3D object. This can be a car, weapon, environment, character or any sort of asset in a video game. 

Geometry Vertices Edges and Triangles

Vertices - Plural noun for vertex. These are the points that make up the surface of a 3D object.

Edges - Edge is what you get when you connect 2 vertices with straight line.

Triangle - 3 vertices connected to each other by 3 edges then becomes a triangle. This is sometimes also referred to as a polygon or face.

Within 3D software such as Max, Maya or Blender; we usually work using quads (a 4 sided polygon) as they are easier to modify and work with. When rendered on screen all these polygon will be displayed as triangles, so that is why it is the term we are going to use in this guide.

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