Legacy Documentation: Version 2018.2 (Go to current version)
Tree - Wind Zones
What is a Particle System?
Other Versions

Particle Systems

In a 3D game, most characters, props and scenery elements are represented as meshes, while a 2D game uses spritesA 2D graphic objects. If you are used to working in 3D, Sprites are essentially just standard textures but there are special techniques for combining and managing sprite textures for efficiency and convenience during development. More info
See in Glossary
for these purposes. Meshes and sprites are the ideal way to depict “solid” objects with a well-defined shape. There are other entities in games, however, that are fluid and intangible in nature and consequently difficult to portray using meshes or sprites. For effects like moving liquids, smoke, clouds, flames and magic spells, a different approach to graphics known as particle systemsA component that simulates fluid entities such as liquids, clouds and flames by generating and animating large numbers of small 2D images in the scene. More info
See in Glossary
can be used to capture the inherent fluidity and energy. This section explains Unity’s particle systems and what they can be used for.

对文档有任何疑问,请移步至开发者社区提问,我们将尽快为您解答