Fix depth sensor issue when building

Runtime/Tx/DepthCameraTx.cs

@@ -19,6 +19,7 @@ public class DepthCameraTx : ProBridgeTxStamped<CompressedImage>
     public int textureHeight = 1024;
     public RawImage _rawImage;
     [Range(1, 100)] public int CompressionQuality = 90;
+    public Shader depthShader;
 
 
     private DepthCameraSensor _cameraSensor;
@@ -29,6 +30,7 @@ public class DepthCameraTx : ProBridgeTxStamped<CompressedImage>
     protected override void AfterEnable()
     {
         _cameraSensor = renderCamera.gameObject.AddComponent<DepthCameraSensor>();
+        _cameraSensor.mat = new Material(depthShader);
         _cameraSensor._camera = renderCamera;
         _cameraSensor.onSensorUpdated += OnSensorUpdated;
         _cameraSensor._minRange = _minRange;

Runtime/Utils/UnitySensors/Scripts/Sensors/Camera/DepthCamera/DepthCameraSensor.cs

@@ -7,6 +7,7 @@
 using Unity.Collections;
 using Unity.Jobs;
 using Unity.Mathematics;
+using UnityEngine.Serialization;
 using UnityEngine.UI;
 using UnitySensors.Data.PointCloud;
 using UnitySensors.Interface.Sensor;
@@ -31,7 +32,7 @@ public class DepthCameraSensor : CameraSensor, ITextureInterface, IPointCloudInt
         private RenderTexture _rt = null;
         private Texture2D _texture;
 
-        private Material _mat;
+        public Material mat;
 
         private JobHandle _jobHandle;
 
@@ -63,9 +64,8 @@ public override void Init()
 
             _texture = new Texture2D(_resolution.x, _resolution.y, TextureFormat.RGBAFloat, false);
 
-            _mat = new Material(Shader.Find("UnitySensors/Color2Depth"));
             float f = m_camera.farClipPlane;
-            _mat.SetFloat("_F", f);
+            mat.SetFloat("_F", f);
 
             SetupDirections();
             SetupJob();
@@ -177,7 +177,7 @@ protected override void OnSensorDestroy()
 
         private void OnRenderImage(RenderTexture source, RenderTexture dest)
         {
-            Graphics.Blit(source, dest, _mat);
+            Graphics.Blit(source, dest, mat);
         }
     }
 }