一、准备工作
1、删除模型历史纪录
![](https://img.haomeiwen.com/i13610899/cbc7a1919164b355.jpg)
2、冻结变换
冻结变换,也就是把模型变换参数归零。没有冻结变换的模型,Unfold(展开UV)会有拉伸,所以这步操作是必须有的。
![](https://img.haomeiwen.com/i13610899/90147db604c46f01.jpg)
![](https://img.haomeiwen.com/i13610899/83ea40acd7d7166c.jpg)
3、切换至UV编辑窗口:Windows—>Workspaces—>UV Editing
![](https://img.haomeiwen.com/i13610899/b0491755ff3e310c.jpg)
![](https://img.haomeiwen.com/i13610899/6e02f729380140ea.jpg)
或者打开UV编辑器窗口:UV —> UV Editor
![](https://img.haomeiwen.com/i13610899/646185480a267330.jpg)
4、给模型棋盘格贴图
1、打开材质编辑:Windows—>Rendering Editors—>Hypershade(材质编辑)
![](https://img.haomeiwen.com/i13610899/2a507e4a7e0cf90c.jpg)
2、操作方法1:再材质编辑上
![](https://img.haomeiwen.com/i13610899/3f74d37da534ce53.gif)
**操作方法2:**在模型上右键选选择Assign New Material(分配新材质)
![](https://img.haomeiwen.com/i13610899/466e3a59e50ede03.gif)
二、展UV
展UV顺序:一般情况下,再展UV时,都会先生成一整块无缝的UV,然后再拆分。
1、先整体赞开UV(选择投射方式)
这里要的是没有切割的完整UV,不用管用什么投射方式,随便一个就可以。
![](https://img.haomeiwen.com/i13610899/da07d37c4d5b6399.jpg)
![](https://img.haomeiwen.com/i13610899/45499471bc63ec1d.gif)
2、展UV操作
▶ 切割与缝合UV:UV编辑器菜单下
▶ 移动并缝合UV:快捷键 G
![](https://img.haomeiwen.com/i13610899/d711e9d57002d5e3.jpg)
![](https://img.haomeiwen.com/i13610899/0fba5b5b9b067f45.gif)
▶ 整体选择(选择一整块)UV:右键选择UV Shell(整体选择之后,再右键选择Face /Vertex等,可以转到单独选择。)
![](https://img.haomeiwen.com/i13610899/9c75bd04fe944003.gif)
▶ 展开(松弛)UV(Unfold):Shift+右键选择Unfold—> Unfold(展开UV后要移动一下UV,查看有没有扭曲)
![](https://img.haomeiwen.com/i13610899/2e422cc4128babd9.gif)
▶ 拉直UV(Straighten UVs):
操作1、右键选择UV转到“UV点”级别下(不在“UV点”级别下,是找不到Straighten UVs命令的)—> 选择全部“UV点”—> Shift+右键选择Straighten(直立/弄直)—> Straighten UVs,这个功能有时候不太管用,需要把UV旋转到接近垂直或平行的角度才能用。
![](https://img.haomeiwen.com/i13610899/d7eaafe3ebb25b25.gif)
操作2、整体选择UV(UV Shell)模式下(不再这个模式下,是找不到Straighten UVs命令的)—> 整体选择UV后—> Shift+右键选择Straighten UVs。
![](https://img.haomeiwen.com/i13610899/940e900471b50aa2.gif)
▶ 定向壳(Orient Shells):先右键UV Shell整体选择UV(必须要这个操作才能用)—> 整体选择UV后,Shift+右键选择Orient Shells
![](https://img.haomeiwen.com/i13610899/73b7c9d407b28721.gif)
▶ 旋转UV:
![](https://img.haomeiwen.com/i13610899/084835a419393a22.gif)
▶ 反转UV:
![](https://img.haomeiwen.com/i13610899/919e82b5046a2ffa.jpg)
▶ 检查重叠UV:Overlapping(重叠)
![](https://img.haomeiwen.com/i13610899/3dba3a9b0081f1ce.jpg)
3、排布UV设置
▶ 打开UV排布面板: Shift+右键选择Layout—> Layout UV点后面的小框打开UV排布面板
![](https://img.haomeiwen.com/i13610899/511caba9d9833e4f.jpg)
▶ 排布UV设置:
![](https://img.haomeiwen.com/i13610899/908e60b65bd5af9e.jpg)
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