Minor - Add Assets And Support Dual Screen

Assets/MobileDepthWater/Scripts/TouchRotator.cs

@@ -0,0 +1,43 @@
+namespace Assets.MobileOptimizedWater.Scripts
+{
+    using UnityEngine;
+
+    public class TouchRotator : MonoBehaviour
+    {
+        [SerializeField] private Transform cameraRoot;
+        [SerializeField] private float speed;
+        [SerializeField] private float mouseSpeed;
+
+        private Vector3 prevMousePos;
+
+#if !UNITY_EDITOR
+        public void Update()
+        {
+            if (Input.touchCount > 0 && Input.GetTouch(0).position.x < Screen.width * 0.9f)
+            {
+                var deltaPos = Input.GetTouch(0).deltaPosition;
+
+                var deltaRotation = new Vector3(-deltaPos.y, deltaPos.x) * Time.deltaTime * speed;
+                var rotation = cameraRoot.eulerAngles + deltaRotation;
+
+                cameraRoot.eulerAngles = new Vector3(Mathf.Clamp(rotation.x, 0f, 90f), rotation.y);
+            }
+        }
+#else
+        public void Update()
+        {
+            if (Input.GetKey(KeyCode.LeftAlt))
+            {
+                var deltaPos = Input.mousePosition - prevMousePos;
+
+                var deltaRotation = new Vector3(-deltaPos.y, deltaPos.x) * Time.deltaTime * mouseSpeed;
+                var rotation = cameraRoot.eulerAngles + deltaRotation;
+
+                cameraRoot.eulerAngles = new Vector3(Mathf.Clamp(rotation.x, 0f, 90f), rotation.y);
+            }
+
+            prevMousePos = Input.mousePosition;
+        }
+#endif
+            }
+}