unity3d - 有没有办法在着色器中合并 Unity 中的纹理？-6ren

unity3d - 有没有办法在着色器中合并 Unity 中的纹理？

转载作者：行者123 更新时间：2023-12-05 08:48:04

我正在尝试在一个网格渲染器中使用多个重叠的图像层来为 2D 游戏对象制作动画。我有好几层不同的纹理，每一层都是一张透明背景的图像。

我找到了一种以编程方式创建矩形网格并使用 UV 映射对其中的 Material 进行分层的方法。不幸的是，Unity 现在必须单独渲染这些 Material 层中的每一个，尽管它们都在一个网格中。这导致绘制调用的数量非常低效。我可以看到现在每种 Material 都有自己的着色器。

我是否需要在 Unity 之外将我的所有图像编辑成一个巨大的图像，并在网格内的单一 Material 中使用 UV 贴图显示其中的一部分？

或者有什么方法可以用着色器来实现吗？

最佳答案

创建您自己的着色器(代码或 ShaderGraph)。着色器可以渲染多个纹理(层)。您可以根据自己的喜好按 alpha/transprency 进行混合。

编辑:ShaderGraph 中的示例:

ShaderGraph代码: https://pastebin.com/a8ubgxRP

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关于unity3d - 有没有办法在着色器中合并 Unity 中的纹理？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/66520280/

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unity3d - 有没有办法在着色器中合并 Unity 中的纹理？