Unity組件：Trail Renderer 拖尾渲染器

The Trail Renderer is used to make trails behind objects in the scene as they move about.

拖尾渲染器（Trail Renderer）用于制作跟在場(chǎng)景中的物體后面的拖尾效果來(lái)代表它們?cè)诘教幰苿?dòng)。

The Trail Renderer Inspector 拖尾渲染器檢視面板

Properties 屬性

• Materials 材質(zhì)
  An array of materials used for rendering the trail. Particle shaders work the best for trails.
  用于渲染拖尾的材質(zhì)數(shù)組。對(duì)于拖尾效果粒子著色器工作的最好。
• Size 大小
  The total number of elements in the Material array.
  在材質(zhì)數(shù)組中總共有多少元素。
• Element 0 元素
  Reference to the Material used to render the trail. The total number of elements is determined by the Size property.
  用于渲染拖尾的材質(zhì)的引用。總共的元素個(gè)數(shù)由Size參數(shù)指定。
• Time 時(shí)間
  Length of the trail, measured in seconds.
  拖尾的長(zhǎng)度，以秒為單位
• Start Width 開(kāi)始寬度
  Width of the trail at the object's position.
  物體位置的拖尾寬度
• End Width 結(jié)束寬度
  Width of the trail at the end.
  結(jié)束位置的拖尾寬度
• Colors 顏色
  Array of colors to use over the length of the trail. You can also set alpha transparency with the colors.
  使用拖尾長(zhǎng)度漸變的顏色數(shù)組，你也可以在這些顏色中使用alpha透明
• Color0 to Color4
  The trail's colors, initial to final.
  拖尾的顏色，從初始到結(jié)束
• Min Vertex Distance 最小頂點(diǎn)距離
  The minimum distance between anchor points of the trail.
  拖尾錨點(diǎn)之間的最小距離
• AutoDestruct 自動(dòng)銷(xiāo)毀
  Enable this to make the object be destroyed when the object has been idle for Time seconds.
  將這一項(xiàng)設(shè)置為允許來(lái)使物體在靜止Time秒后被銷(xiāo)毀

Details 細(xì)節(jié)

The Trail Renderer is great for a trail behind a projectile, or contrails from the tip of a plane's wings. It is good when trying to add a general feeling of speed.

拖尾渲染器（Trail Renderer）用于炮彈后面的拖尾，或是飛機(jī)機(jī)翼尖端產(chǎn)生的凝結(jié)尾的效果非常棒。當(dāng)嘗試添加一個(gè)速度的通用感覺(jué)時(shí)也很好。

When using a Trail Renderer, no other renderers on the GameObject are used. It is best to create an empty GameObject, and attach a Trail Renderer as the only renderer. You can then parent the Trail Renderer to whatever object you would like it to follow.

當(dāng)使用一個(gè)拖尾渲染器（Trail Renderer）時(shí)，不能在游戲物體（GameObject）上使用其他的渲染器。最好是創(chuàng)建一個(gè)空的游戲物體（GameObject），并附加一個(gè)拖尾渲染器作為唯一的渲染器。然后你可以將你想要跟隨的物體設(shè)置為拖尾渲染器的父物體。

Materials 材質(zhì)

Trail Renderers should use a material that has a Particle Shader. The Texture used for the Material should be of square dimensions (e.g. 256x256 or 512x512).

拖尾渲染器（Trail Renderer）將使用一個(gè)包含粒子著色器（Paricle Shader）的材質(zhì)。材質(zhì)使用的貼圖必需是平方尺寸（例如：256