Unity3d-地形制作教程

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Using Terrains 使用地形

Creating a new Terrain 创建一个新的地形

A new Terrain can be created from Terrain->Create Terrain. This will add a Terrain to your Project and

Hierarchy Views. 如要创建地形,点击 Terrain->Create Terrain. 如下图所示

Your new Terrain will look like this in the Scene View: 刚创建好的地形在场景视图中如下图.

A new Terrain in Scene View

If you would like a differently sized Terrain, choose Terrain->Set Resolution from the menu bar. There

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These values are:

 Terrain Width: The width of the Terrain in units.

 Terrain Height: The height of the Terrain in units.

 Terrain Length: The length of the Terrain in units.

 HeightMap Resolution: The HeightMap resolution for the selected Terrain.

 Detail Resolution: The resolution of the map that controls grass and detail meshes. For

performance reasons (to save on draw calls) the lower you set this number the better.

 Control Texture Resolution: The resolution of the splat map used to layer the different

textures painted onto the Terrain.

 Base Texture Resolution: The resolution of the composite texture that is used in place of

地形对象与其他游戏对象有点不同,它没有转换轴,不可以通过鼠标直接改变它的坐标.如果要改变坐标,可以

通过在属性面板修改.不过不可以旋转和缩放.

While your Terrain is selected in the Hierarchy, you can gracefully navigate the terrain with the F (focus)

key. When you press F, wherever your mouse is positioned will be moved to the center of the Scene

View. This allows you to touch up an area, and quickly zoom over to a different area and change

something else. If your mouse is not hovering over an area of the Terrain when you press the F key, the

entire Terrain will be centered in your Scene View.

地形被选择后,按 F 按可以以鼠标点击位置为中心察看地形.如果没有用鼠标点击任何一点,会以整个地形为

中心察看地形.

Editing the Terrain 编辑地形

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maps, or attach details like trees or rocks. To use a specific tool, click on it. You will then see a short

description of the tool appear in text below the tool buttons.

点击任何一个按钮,按钮下面都会出现关于此按钮的说明及相关的快捷键.

Most of the tools make use of a brush. Many different brushes are displayed for any tool that uses a

brush. To select a brush, just click on it. The currently selected brush will display a preview when you

hover the mouse over the terrain, at the size you have specified.

每个工具都有不同的笔刷.选取笔刷后,在地形上都会出现蓝色图形表示笔刷的范围.

You will use all of these brushes in the Scene View to paint directly onto your Terrain. Simply choose

the tool and brush you want, then click & drag on the Terrain to alter it in real-time. To paint height,

textures, or decorations, you must have the Terrain selected in the Hierarchy View.

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customizable in Unity Preferences): 以下是地形编辑的快捷键.只有在地形被选取后才可用.

 Shift-Q to Shift-Y selects active terrain tool. Shift-Q 到 Shift-Y 对应从左到右六个工具

 Comma (,) and dot (.) cycle through active brush. 逗号和句号 向前或向后选取笔刷

 Shift-comma (<) and Shift-dot (>) cycle through active tree/texture/detail object. Shift-逗

号和 Shift-句号 向前或向后选取树/贴图/细节物体.

以下是对各个工具的详细说明.

Height 地形高度工具

Using any of the Terrain editing tools is very simple. You will literally paint the Terrain from within the

Scene View. For the height tools and all others, you just have to select the tool, and click the Terrain in

Scene View to manipulate it in real-time.

With this tool, you paint brush strokes that will raise the height of the Terrain. Clicking the mouse once

will increment the height. Keeping the mouse button depressed and moving the mouse will continually

raise the height until the maximum height is reached.

使用这个工具,可以依据笔刷的类型及强度画出隆起或凹陷的地形(初始时不可用).按鼠标一次,就会隆起地

形.按住鼠标同时拖拽,可以不断隆起地形.直到达到最大高度.如下图所示.

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You can use any of the brushes to achieve different results 使用不同的笔刷可以得到不同的效果.

If you want to lower the height when you click, hold the Shift key. 如要凹陷地形,按住 Shift 键.如下图所示

在做地形时,一个很重要的按键就是 F 键.多多用这个键吧.