正文

Unity游戏开发中如何制作和应用景深贴图提升画面效果

/0 浏览量
0414

在Unity游戏开发中，景深贴图（Depth of Field，简称DoF）是一种常用的视觉效果，它能够模拟人眼聚焦的效果，使得画面中的某些元素更加突出，而其他元素则显得模糊。通过合理地应用景深贴图，可以显著提升游戏的画面表现力。以下是如何制作和应用景深贴图的具体步骤：

1. 景深贴图的基本原理

景深贴图是一种通过计算场景中每个像素的深度信息，并将这些信息映射到一张纹理图上的技术。这张纹理图被称为景深贴图，它包含了场景中每个像素的深度信息，这些信息可以用来控制哪些像素是清晰的，哪些是模糊的。

2. 制作景深贴图

2.1 准备工作

首先，你需要一个可以生成深度信息的渲染目标。在Unity中，你可以使用RenderTexture来创建一个渲染目标。

RenderTexture depthTexture = new RenderTexture(width, height, 24);
Graphics.SetRenderTarget(depthTexture);
Graphics.Clear(Color.black);

2.2 深度提取

接下来，你需要提取场景中每个像素的深度信息。这可以通过Camera.Render方法实现，同时设置Camera.targetTexture为你的深度纹理。

Camera camera = Camera.main;
camera.targetTexture = depthTexture;
camera.Render();

2.3 深度信息映射

提取深度信息后，你需要将这些信息映射到纹理图上。这可以通过一系列的着色器操作完成。

Shader depthShader = Shader.Find("Hidden/DepthShader");
Material depthMaterial = new Material(depthShader);
Graphics.Blit(null, depthTexture, depthMaterial);

2.4 生成景深贴图

最后，你可以将深度纹理保存为一张PNG或JPEG格式的图片，作为景深贴图使用。

Texture2D depthTexture2D = new Texture2D(width, height);
depthTexture2D.LoadTexture(depthTexture);
File.WriteAllBytes("DepthTexture.png", depthTexture2D.EncodeToPNG());

3. 应用景深贴图

3.1 创建景深效果

在Unity中，你可以使用PostProcessVolume组件来创建景深效果。首先，你需要创建一个PostProcessVolume对象，并将其添加到场景中的GameObject上。

”`csharp PostProcessVolume postProcessVolume = new PostProcessVolume(); postProcessVolume.sharedProfile = PostProcessProfile.Default; postProcessVolume.profile.asset = _depthOfFieldProfile; postProcessVolume.profile.name = “Depth of Field”; postProcessVolume.profile.stackCount = 1; postProcessVolume.profile.properties.Set(“DepthOfFieldIntensity”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldThreshold”, 0.1f); postProcessVolume.profile.properties.Set(“DepthOfFieldAperture”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldFocalLength”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldFocusDistance”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldBlurSize”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldFocusPoint”, 0.5f); postProcessVolume.profile.properties.Set(“DepthOfFieldQuality”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityLevel”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityThreshold”, 0.1f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityMaxIter”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityMaxError”, 0.1f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityMinError”, 0.1f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityMaxSampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualityMinSampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleCount”, 10.0f); postProcessVolume.profile.properties.Set(“DepthOfFieldQualitySampleStride”, 1.0f); postProcess

-- 展开阅读全文 --