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Assets/JustSign/Scripts/JustSignWebcam.cs

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+using UnityEngine;
+using UnityEngine.UI;
+
+/// <summary>
+/// Class to manage all webcam stuff inside the SpellingBee minigame
+/// </summary>
+public class JustSignWebcam : MonoBehaviour
+{
+    /// <summary>
+    /// Index of the current camera
+    /// </summary>
+    int camdex = 0;
+
+    /// <summary>
+    /// Texture to paste on the display
+    /// </summary>
+    WebCamTexture tex;
+
+    /// <summary>
+    /// Display for the video feed
+    /// </summary>
+    public RawImage display;
+
+    /// <summary>
+    /// Setup the webcam correctly
+    /// </summary>
+    void Awake()
+    {
+        WebCamDevice device = WebCamTexture.devices[camdex];
+        tex = new WebCamTexture(device.name);
+        display.texture = tex;
+
+        tex.Play();
+    }
+
+    /// <summary>
+    /// Swap webcam by cycling through the `WebCamTexture.devices` list
+    /// </summary>
+    public void SwapCam()
+    {
+        if (WebCamTexture.devices.Length > 0)
+        {
+            // Stop the old camera
+            display.texture = null;
+            tex.Stop();
+            tex = null;
+
+            // Find the new camera
+            camdex += 1;
+            camdex %= WebCamTexture.devices.Length;
+
+            // Start the new camera
+            WebCamDevice device = WebCamTexture.devices[camdex];
+            tex = new WebCamTexture(device.name);
+            display.texture = tex;
+
+            tex.Play();
+        }
+    }
+
+    /// <summary>
+    /// Scene changing is implemented here to avoid problems with webcam
+    /// </summary>
+    public void GotoThemeSelection()
+    {
+        display.texture = null;
+        tex.Stop();
+        tex = null;
+
+        SystemController.GetInstance().BackToPreviousScene();
+    }
+}