AR setup for position shader

4 年前 · e34128ed
--- a/Assets/Common/Materials/PositionBased.mat
+++ b/Assets/Common/Materials/PositionBased.mat
        m_Scale: {x: 1, y: 1}
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    - _Color: {r: 1, g: 1, b: 1, a: 1}
-    - _ContactPosition: {r: 1.51, g: 0, b: 3.43, a: 0}
+    - _ContactPosition: {r: 0, g: 0, b: 0, a: 0}
    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
    - _SpecColor: {r: 0.19999996, g: 0.19999996, b: 0.19999996, a: 1}
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--- a/Assets/Shaders/Shaders/CustomShadow.hlsl.meta
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--- a/Assets/Shaders/ARPositionManager.cs
+++ b/Assets/Shaders/ARPositionManager.cs
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR.ARFoundation;
+using UnityEngine.XR.ARSubsystems;
+
+public class ARPositionManager : MonoBehaviour
+{
+    [SerializeField]
+    ARRaycastManager m_RaycastManager;
+
+    [SerializeField]
+    ARPlaneManager m_PlaneManager;
+
+    TrackableId m_HitID;
+    Pose m_HitPose;
+
+    static List<ARRaycastHit> s_Hits = new List<ARRaycastHit>();
+
+    const string k_ShaderPositionProperty = "_ContactPosition";
+
+    void Update()
+    {
+        if (m_RaycastManager.Raycast(CenterScreenHelper.Instance.GetCenterScreen(), s_Hits, TrackableType.PlaneWithinBounds))
+        {
+            m_HitID = s_Hits[0].trackableId;
+            m_HitPose = s_Hits[0].pose;
+        }
+        
+        foreach(ARPlane plane in m_PlaneManager.trackables)
+        {
+            if (plane.trackableId == m_HitID)
+            {
+                plane.transform.GetComponent<MeshRenderer>().material.SetVector(k_ShaderPositionProperty, m_HitPose.position);
+            }
+        }
+    }
+    
+}
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--- a/Assets/Shaders/PositionBasedRendering.unity
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