DanMillerDev
5 年前
当前提交
767432ee
共有 10 个文件被更改，包括 433 次插入 和 233 次删除
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394Assets/Shaders/Scenes/Fog.unity
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14Assets/Shaders/Scripts/ApplyFog.cs
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1ProjectSettings/GraphicsSettings.asset
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4ProjectSettings/ProjectSettings.asset
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89Assets/Shaders/Materials/ARCoreFogMat.mat
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8Assets/Shaders/Materials/ARCoreFogMat.mat.meta
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131Assets/Shaders/Shaders/ARCoreFogBackground.shader
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9Assets/Shaders/Shaders/ARCoreFogBackground.shader.meta
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8Assets/StreamingAssets.meta
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8Assets/ARFoundationDemos.meta
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using System; |
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using System.Text; |
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using Unity.Collections.LowLevel.Unsafe; |
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using UnityEngine.XR.ARFoundation; |
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using UnityEngine.XR.ARSubsystems; |
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namespace UnityEngine.XR.ARFoundation.Samples |
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public class ApplyFog : MonoBehaviour |
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public class ApplyFog : MonoBehaviour |
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public void OnSliderValueChanged(Slider slider) |
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public void OnSliderValueChanged(Slider slider) |
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{ |
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RenderSettings.fogEndDistance = slider.value; |
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} |
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RenderSettings.fogEndDistance = slider.value; |
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%YAML 1.1 |
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userData: |
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Shader "Custom/ARCoreFogBackground" |
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{ |
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Properties |
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{ |
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_MainTex("Texture", 2D) = "white" {} |
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_EnvironmentDepth("Texture", 2D) = "black" {} |
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} |
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SubShader |
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{ |
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Tags |
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{ |
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"Queue" = "Background" |
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"RenderType" = "Background" |
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"ForceNoShadowCasting" = "True" |
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} |
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Pass |
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{ |
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Cull Off |
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ZTest Always |
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ZWrite On |
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Lighting Off |
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LOD 100 |
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Tags |
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{ |
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"LightMode" = "Always" |
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} |
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GLSLPROGRAM |
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#pragma multi_compile_local __ ARCORE_ENVIRONMENT_DEPTH_ENABLED |
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#pragma only_renderers gles3 |
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#include "UnityCG.glslinc" |
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#ifdef SHADER_API_GLES3 |
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#extension GL_OES_EGL_image_external_essl3 : require |
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#endif // SHADER_API_GLES3 |
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// Device display transform is provided by the AR Foundation camera background renderer. |
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uniform mat4 _UnityDisplayTransform; |
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#ifdef VERTEX |
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varying vec2 textureCoord; |
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void main() |
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{ |
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#ifdef SHADER_API_GLES3 |
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// Transform the position from object space to clip space. |
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gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; |
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// Remap the texture coordinates based on the device rotation. |
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textureCoord = (_UnityDisplayTransform * vec4(gl_MultiTexCoord0.x, 1.0f - gl_MultiTexCoord0.y, 1.0f, 0.0f)).xy; |
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#endif // SHADER_API_GLES3 |
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} |
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#endif // VERTEX |
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#ifdef FRAGMENT |
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varying vec2 textureCoord; |
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uniform samplerExternalOES _MainTex; |
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#ifdef ARCORE_ENVIRONMENT_DEPTH_ENABLED |
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uniform sampler2D _EnvironmentDepth; |
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#endif // ARCORE_ENVIRONMENT_DEPTH_ENABLED |
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#if defined(SHADER_API_GLES3) && !defined(UNITY_COLORSPACE_GAMMA) |
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float GammaToLinearSpaceExact (float value) |
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{ |
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if (value <= 0.04045F) |
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return value / 12.92F; |
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else if (value < 1.0F) |
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return pow((value + 0.055F)/1.055F, 2.4F); |
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else |
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return pow(value, 2.2F); |
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} |
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vec3 GammaToLinearSpace (vec3 sRGB) |
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{ |
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// Approximate version from http://chilliant.blogspot.com.au/2012/08/srgb-approximations-for-hlsl.html?m=1 |
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return sRGB * (sRGB * (sRGB * 0.305306011F + 0.682171111F) + 0.012522878F); |
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// Precise version, useful for debugging, but the pow() function is too slow. |
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// return vec3(GammaToLinearSpaceExact(sRGB.r), GammaToLinearSpaceExact(sRGB.g), GammaToLinearSpaceExact(sRGB.b)); |
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} |
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#endif // SHADER_API_GLES3 && !UNITY_COLORSPACE_GAMMA |
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float ConvertDistanceToDepth(float d) |
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{ |
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float zBufferParamsW = 1.0 / _ProjectionParams.y; |
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float zBufferParamsY = _ProjectionParams.z * zBufferParamsW; |
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float zBufferParamsX = 1.0 - zBufferParamsY; |
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float zBufferParamsZ = zBufferParamsX * _ProjectionParams.w; |
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// Clip any distances smaller than the near clip plane, and compute the depth value from the distance. |
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return (d < _ProjectionParams.y) ? 1.0f : ((1.0 / zBufferParamsZ) * ((1.0 / d) - zBufferParamsW)); |
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} |
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void main() |
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{ |
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#ifdef SHADER_API_GLES3 |
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vec3 result = texture(_MainTex, textureCoord).xyz; |
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float depth = 1.0; |
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#ifndef UNITY_COLORSPACE_GAMMA |
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result = GammaToLinearSpace(result); |
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#endif // !UNITY_COLORSPACE_GAMMA |
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#ifdef ARCORE_ENVIRONMENT_DEPTH_ENABLED |
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float distance = texture(_EnvironmentDepth, textureCoord).x; |
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depth = ConvertDistanceToDepth(distance); |
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#if defined(FOG_LINEAR) || defined(FOG_EXP) || defined(FOG_EXP2) |
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UNITY_CALC_FOG_FACTOR(depth); |
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UNITY_FOG_LERP_COLOR(result, unity_FogColor, unityFogFactor); |
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#endif // defined(FOG_LINEAR) || defined(FOG_EXP) || defined(FOG_EXP2) |
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#endif // ARCORE_ENVIRONMENT_DEPTH_ENABLED |
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gl_FragColor = vec4(result, 1.0); |
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gl_FragDepth = depth; |
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#endif // SHADER_API_GLES3 |
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} |
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#endif // FRAGMENT |
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ENDGLSL |
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} |
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} |
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FallBack Off |
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} |
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