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Merge branch 'master' into lwrp_support

/1.5-preview
Jimmy Alamparambil 6 年前
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f2169f95
共有 25 个文件被更改,包括 3098 次插入14 次删除
  1. 27
      Assets/Prefabs/AR Point Cloud Debug Visualizer.prefab
  2. 4
      Packages/manifest.json
  3. 3
      ProjectSettings/EditorBuildSettings.asset
  4. 80
      Assets/Materials/FeatheredPlaneMaterial.mat
  5. 8
      Assets/Materials/FeatheredPlaneMaterial.mat.meta
  6. 139
      Assets/Prefabs/AR Feathered Plane.prefab
  7. 8
      Assets/Prefabs/AR Feathered Plane.prefab.meta
  8. 396
      Assets/Scenes/FeatheredPlaneScene.unity
  9. 7
      Assets/Scenes/FeatheredPlaneScene.unity.meta
  10. 1001
      Assets/Scenes/LightEstimation.unity
  11. 7
      Assets/Scenes/LightEstimation.unity.meta
  12. 99
      Assets/Scripts/ARFeatheredPlaneMeshVisualizer.cs
  13. 11
      Assets/Scripts/ARFeatheredPlaneMeshVisualizer.cs.meta
  14. 50
      Assets/Scripts/LightEstimation.cs
  15. 11
      Assets/Scripts/LightEstimation.cs.meta
  16. 49
      Assets/Scripts/LightEstimationUI.cs
  17. 11
      Assets/Scripts/LightEstimationUI.cs.meta
  18. 8
      Assets/Shaders.meta
  19. 8
      Assets/Textures.meta
  20. 9
      Assets/Shaders/FeatheredPlaneShader.shader.meta
  21. 69
      Assets/Shaders/FeatheredPlaneShader.shader
  22. 106
      Assets/Textures/PlaneGeometricGrid.png.meta
  23. 1001
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Assets/Scenes/FeatheredPlaneScene.unity.meta


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Assets/Scenes/LightEstimation.unity
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Assets/Scenes/LightEstimation.unity.meta


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Assets/Scripts/ARFeatheredPlaneMeshVisualizer.cs


using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Experimental.XR;
using UnityEngine.XR.ARFoundation;
[RequireComponent(typeof(ARPlaneMeshVisualizer), typeof(MeshRenderer), typeof(ARPlane))]
public class ARFeatheredPlaneMeshVisualizer : MonoBehaviour
{
float featheringWidth
{
get { return m_FeatheringWidth; }
set { m_FeatheringWidth = value; }
}
[Tooltip("The width of the texture feathering (in world units).")]
[SerializeField]
float m_FeatheringWidth = 0.2f;
ARPlaneMeshVisualizer m_PlaneMeshVisualizer;
Material m_FeatheredPlaneMaterial;
void Awake()
{
m_PlaneMeshVisualizer = GetComponent<ARPlaneMeshVisualizer>();
m_FeatheredPlaneMaterial = GetComponent<MeshRenderer>().material;
}
void OnEnable()
{
m_PlaneMeshVisualizer.meshUpdated += ARPlaneMeshVisualizer_meshUpdated;
}
void OnDisable()
{
m_PlaneMeshVisualizer.meshUpdated -= ARPlaneMeshVisualizer_meshUpdated;
}
void ARPlaneMeshVisualizer_meshUpdated(ARPlaneMeshVisualizer planeMeshVisualizer)
{
GenerateBoundaryUVs(planeMeshVisualizer.mesh);
}
/// <summary>
/// Generate UV2s to mark the boundary vertices and feathering UV coords.
/// </summary>
/// <remarks>
/// The <c>ARPlaneMeshVisualizer</c> has a <c>meshUpdated</c> event that can be used to modify the generated
/// mesh. In this case we'll add UV2s to mark the boundary vertices.
/// This technique avoids having to generate extra vertices for the boundary. It works best when the plane is
/// is fairly uniform.
/// </remarks>
/// <param name="mesh">The <c>Mesh</c> generated by <c>ARPlaneMeshVisualizer</c></param>
void GenerateBoundaryUVs(Mesh mesh)
{
int vertexCount = mesh.vertexCount;
// Reuse the list of UVs
s_FeatheringUVs.Clear();
if (s_FeatheringUVs.Capacity < vertexCount) { s_FeatheringUVs.Capacity = vertexCount; }
mesh.GetVertices(s_Vertices);
Vector3 centerInPlaneSpace = s_Vertices[s_Vertices.Count - 1];
Vector3 uv = new Vector3(0, 0, 0);
float shortestUVMapping = float.MaxValue;
// Assume the last vertex is the center vertex.
for (int i = 0; i < vertexCount - 1; i++)
{
float vertexDist = Vector3.Distance(s_Vertices[i], centerInPlaneSpace);
// Remap the UV so that a UV of "1" marks the feathering boudary.
// The ratio of featherBoundaryDistance/edgeDistance is the same as featherUV/edgeUV.
// Rearrange to get the edge UV.
float uvMapping = vertexDist / Mathf.Max(vertexDist - featheringWidth, 0.001f);
uv.x = uvMapping;
// All the UV mappings will be different. In the shader we need to know the UV value we need to fade out by.
// Choose the shortest UV to guarentee we fade out before the border.
// This means the feathering widths will be slightly different, we again rely on a fairly uniform plane.
if (shortestUVMapping > uvMapping) { shortestUVMapping = uvMapping; }
s_FeatheringUVs.Add(uv);
}
m_FeatheredPlaneMaterial.SetFloat("_ShortestUVMapping", shortestUVMapping);
// Add the center vertex UV
uv.Set(0, 0, 0);
s_FeatheringUVs.Add(uv);
mesh.SetUVs(1, s_FeatheringUVs);
mesh.UploadMeshData(false);
}
static List<Vector3> s_FeatheringUVs = new List<Vector3>();
static List<Vector3> s_Vertices = new List<Vector3>();
}

11
Assets/Scripts/ARFeatheredPlaneMeshVisualizer.cs.meta


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50
Assets/Scripts/LightEstimation.cs


using UnityEngine;
using UnityEngine.XR.ARFoundation;
[RequireComponent(typeof(Light))]
public class LightEstimation : MonoBehaviour
{
Light m_Light;
public float? brightness { get; private set; }
public float? colorTemperature { get; private set; }
public Color? colorCorrection { get; private set; }
void Awake ()
{
m_Light = GetComponent<Light>();
ARSubsystemManager.cameraFrameReceived += FrameChanged;
}
void FrameChanged(ARCameraFrameEventArgs args)
{
if (args.lightEstimation.averageBrightness.HasValue)
{
brightness = args.lightEstimation.averageBrightness.Value;
m_Light.intensity = brightness.Value;
}
if (args.lightEstimation.averageColorTemperature.HasValue)
{
colorTemperature = args.lightEstimation.averageColorTemperature.Value;
m_Light.colorTemperature = colorTemperature.Value;
}
if (args.lightEstimation.colorCorrection.HasValue)
{
colorCorrection = args.lightEstimation.colorCorrection.Value;
m_Light.color = colorCorrection.Value;
}
}
}

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Assets/Scripts/LightEstimationUI.cs


using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
[RequireComponent(typeof(LightEstimation))]
public class LightEstimationUI : MonoBehaviour
{
[SerializeField]
Text m_BrightnessVal;
[SerializeField]
Text m_ColorTempVal;
[SerializeField]
Text m_ColorCorrectVal;
LightEstimation m_LightEstimation;
const string k_UnavailableText = "Unavailable";
void Awake()
{
m_LightEstimation = GetComponent<LightEstimation>();
}
void Update()
{
SetUIValue(m_LightEstimation.brightness.HasValue, m_BrightnessVal, m_LightEstimation.brightness.Value.ToString());
SetUIValue(m_LightEstimation.colorTemperature.HasValue, m_ColorTempVal, m_LightEstimation.colorTemperature.Value.ToString());
SetUIValue(m_LightEstimation.colorCorrection.HasValue, m_ColorCorrectVal, m_LightEstimation.colorTemperature.Value.ToString());
}
void SetUIValue(bool ContainsValue, Text UIText, string DisplayValue)
{
if (UIText)
{
if (ContainsValue)
{
UIText.text = DisplayValue;
}
else
{
UIText.text = k_UnavailableText;
}
}
}
}

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Assets/Shaders/FeatheredPlaneShader.shader


Shader "Unlit/FeatheredPlaneShader"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_TexTintColor("Texture Tint Color", Color) = (1,1,1,1)
_PlaneColor("Plane Color", Color) = (1,1,1,1)
}
SubShader
{
Tags { "RenderType"="Transparent" "Queue"="Transparent" }
LOD 100
Blend SrcAlpha OneMinusSrcAlpha
ZWrite Off
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
float3 uv2 : TEXCOORD1;
};
struct v2f
{
float4 vertex : SV_POSITION;
float2 uv : TEXCOORD0;
float3 uv2 : TEXCOORD1;
};
sampler2D _MainTex;
float4 _MainTex_ST;
fixed4 _TexTintColor;
fixed4 _PlaneColor;
float _ShortestUVMapping;
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
o.uv2 = v.uv2;
return o;
}
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv) * _TexTintColor;
col = lerp( _PlaneColor, col, col.a);
// Fade out from as we pass the edge.
// uv2.x stores a mapped UV that will be "1" at the beginning of the feathering.
// We fade until we reach at the edge of the shortest UV mapping.
// This is the remmaped UV value at the vertex.
// We choose the shorted one so that ll edges will fade out completely.
// See ARFeatheredPlaneMeshVisualizer.cs for more details.
col.a *= 1-smoothstep(1, _ShortestUVMapping, i.uv2.x);
return col;
}
ENDCG
}
}
}

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Assets/Textures/PlaneGeometricGrid.png
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