步骤六：打开上面制作好的纹理，展开所有的图层。

Step 6: Open up the texture from the last part of the tutorial.

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我将所有的子弹孔图层编成一组，命名为“子弹”，然后在这个组上新建一个图层，我们画一个从如下图的从白色到透明的径向渐变。

I put all the bullet layers into a layer Group called Bullets, and then in a brand new layer above all the others, we draw a Radial Gradient going from White to Transparency as shown.

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这样就会自动选择那个图层里所有的东西。

This should make an automatic selection around the objects in that layer.

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