class in UnityEngine / Inherits from: Object
BillboardAsset describes how a billboard is rendered.
BillboardAsset是描述一个广告牌是怎么被渲染的。
| bottom | Height of the billboard that is below ground. 该广告牌是低于地面的高度。 |
| height | Height of the billboard. 该广告牌的高度。 |
| imageCount | Number of pre-baked images that can be switched when the billboard is viewed from different angles. 当广告牌是从不同的角度观看时，预烘焙可切换图像的数量。 |
| indexCount | Number of indices in the billboard mesh. The mesh is not necessarily a quad. It can be a more complex shape which fits the actual image more precisely. 广告牌网格的索引数量。网格不一定是四边形。它可以是一个更复杂的形状，更精确地适配实际的图像。 |
| material | The material used for rendering. 广告牌的材质。 |
| vertexCount | Number of vertices in the billboard mesh. The mesh is not necessarily a quad. It can be a more complex shape which fits the actual image more precisely. 广告牌网格的顶点数。网格不一定是四边形。它可以是一个更复杂的形状，更精确地适配实际的图像。 |
| width | Width of the billboard. 广告牌的宽度。 |
| BillboardAsset | Constructs a new BillboardAsset. 构造一个新的广告牌资源。 |