From 95665b2aab409eea3ceb2aeae932151f6c67a254 Mon Sep 17 00:00:00 2001
From: Michel Roux <xefir@crystalyx.net>
Date: Sat, 27 Jan 2024 15:22:45 +0100
Subject: [PATCH] feat: webcam crop

---
 Assets/Scenes/CameraView.unity        |  8 +++++---
 Assets/Scripts/CameraManager.cs       | 24 ++++++++++++++++++++++--
 ProjectSettings/ProjectSettings.asset |  2 +-
 3 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/Assets/Scenes/CameraView.unity b/Assets/Scenes/CameraView.unity
index e51e2a5..e846b17 100644
--- a/Assets/Scenes/CameraView.unity
+++ b/Assets/Scenes/CameraView.unity
@@ -625,10 +625,10 @@ RectTransform:
   m_Children: []
   m_Father: {fileID: 1908036955}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
   m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
+  m_SizeDelta: {x: 512, y: 512}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &1128585036
 MonoBehaviour:
@@ -643,6 +643,8 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   webCamTexture: {fileID: 0}
+  freezeButton: {fileID: 1776746473}
+  resumeButton: {fileID: 1872873213}
 --- !u!114 &1128585037
 MonoBehaviour:
   m_ObjectHideFlags: 0
diff --git a/Assets/Scripts/CameraManager.cs b/Assets/Scripts/CameraManager.cs
index 4fbfd69..c1144a7 100644
--- a/Assets/Scripts/CameraManager.cs
+++ b/Assets/Scripts/CameraManager.cs
@@ -11,14 +11,34 @@ public class CameraManager : MonoBehaviour
     void Start()
     {
         webCamTexture = new WebCamTexture();
+        //gameObject.transform.rotation = transform.rotation * Quaternion.AngleAxis(webCamTexture.videoRotationAngle, Vector3.up);
         WebcamResume();
     }
 
     // Update is called once per frame
     void Update()
     {
-        gameObject.GetComponent<RawImage>().texture = webCamTexture;
-        gameObject.GetComponent<RawImage>().material.mainTexture = webCamTexture;
+        var x = 0;
+        var y = 0;
+        var size = webCamTexture.height;
+
+        if (webCamTexture.height > webCamTexture.width)
+        {
+            size = webCamTexture.width;
+            y = (webCamTexture.height - webCamTexture.width) / 2;
+        }
+        else if (webCamTexture.height < webCamTexture.width)
+        {
+            size = webCamTexture.height;
+            x = (webCamTexture.width - webCamTexture.height) / 2;
+        }
+
+        Texture2D cropped = new(size, size);
+        cropped.SetPixels(webCamTexture.GetPixels(x, y, size, size));
+        cropped.Apply();
+
+        gameObject.GetComponent<RawImage>().texture = cropped;
+        gameObject.GetComponent<RawImage>().material.mainTexture = cropped;
     }
 
     public void WebcamResume()
diff --git a/ProjectSettings/ProjectSettings.asset b/ProjectSettings/ProjectSettings.asset
index a9cc00e..e379946 100644
--- a/ProjectSettings/ProjectSettings.asset
+++ b/ProjectSettings/ProjectSettings.asset
@@ -8,7 +8,7 @@ PlayerSettings:
   AndroidProfiler: 0
   AndroidFilterTouchesWhenObscured: 0
   AndroidEnableSustainedPerformanceMode: 0
-  defaultScreenOrientation: 4
+  defaultScreenOrientation: 0
   targetDevice: 2
   useOnDemandResources: 0
   accelerometerFrequency: 60