3D asset optimization and vertex data management for performance optimization

geometry

Works well on the largest number of devices 3D The game begins with 3D art , This art aims to make full use of the graphics processor . This guide focuses on mobile devices 3D Asset optimization and best practices , To make your game perform better and minimize power consumption .

Part of this article is based on Arm Limited Contributions and copyrighted works .

Definition of geometry

Geometry or polygon meshes are made up of 3D The vertices of the object shape 、 Set of edges and faces . This could be a car 、 weapons 、 Environmental Science 、 Any type of visual asset in a character or game .

Geometry consists of the following parts ：

• The vertices ： The vertices A plural noun of . These points define 3D The structure of objects in space .

• edge ： Two vertices connected by a straight line .

• triangle ： Three vertices connected by three edges form a triangle . This is sometimes referred to as a polygon or face . stay 3ds Max、Maya or Blender etc. 3D In software , You usually use quadrilateral . A quadrilateral is a quadrilateral polygon , Easier to modify and use . When rendering , These polygons appear as triangles on the screen .

  Be careful ： For the purpose of this guide , A quadrilateral may be called a triangle . This is 3D Short for a pair of triangles that make up a quadrilateral in the authoring tool .