Transforms input from screen point to world point.

Assets/Cryville/Common/Unity/Input/UnityCameraUtils.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+
+namespace Cryville.Common.Unity.Input {
+	public static class UnityCameraUtils {
+		public static Vector2 ScreenToWorldPoint(Vector2 pos) {
+			Vector3 i = pos;
+			i.z = -Camera.main.transform.localPosition.z;
+			i = Camera.main.ScreenToWorldPoint(i);
+			return i;
+		}
+	}
+}

Assets/Cryville/Common/Unity/Input/UnityCameraUtils.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
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+  assetBundleVariant: 

Assets/Cryville/Common/Unity/Input/UnityMouseHandler.cs

@@ -55,8 +55,7 @@ namespace Cryville.Common.Unity.Input {
 			}
 			void Update() {
 				double time = Time.timeAsDouble;
-				Vector2 pos = unity::Input.mousePosition;
-				pos.y = Screen.height - pos.y;
+				Vector3 pos = UnityCameraUtils.ScreenToWorldPoint(unity::Input.mousePosition);
 				handler.Feed(0, 0, new InputVector(time, pos));
 			}
 		}

Assets/Cryville/Common/Unity/Input/UnityTouchHandler.cs

@@ -57,8 +57,7 @@ namespace Cryville.Common.Unity.Input {
 				double time = Time.timeAsDouble;
 				for (int i = 0; i < unity::Input.touchCount; i++) {
 					var t = unity::Input.GetTouch(i);
-					Vector2 pos = t.position;
-					pos.y = Screen.height - pos.y;
+					Vector2 pos = UnityCameraUtils.ScreenToWorldPoint(t.position);
 					var vec = new InputVector(time, pos);
 					if (t.phase == TouchPhase.Began || t.phase == TouchPhase.Stationary || t.phase == TouchPhase.Moved) {
 						handler.Feed(0, t.fingerId, vec);

Assets/Cryville/Common/Unity/Input/WindowsPointerHandler.cs

@@ -214,7 +214,7 @@ namespace Cryville.Common.Unity.Input {
 
 			NativeMethods.POINT p = rawpinfo.ptPixelLocation;
 			NativeMethods.ScreenToClient(hMainWindow, ref p);
-			Vector2 _p = new Vector2(p.X, p.Y);
+			Vector2 _p = UnityCameraUtils.ScreenToWorldPoint(new Vector2(p.X, Screen.height - p.Y));
 
 			double time = (double)rawpinfo.PerformanceCount / freq;
 
@@ -300,7 +300,7 @@ namespace Cryville.Common.Unity.Input {
 					Y = touch.y / 100
 				};
 				NativeMethods.ScreenToClient(hMainWindow, ref p);
-				Vector2 _p = new Vector2(p.X, p.Y);
+				Vector2 _p = UnityCameraUtils.ScreenToWorldPoint(new Vector2(p.X, Screen.height - p.Y));
 
 				/*Vector2? _cs = null;
 				if (touch.dwMask.HasFlag(NativeMethods.TOUCHINPUT_Mask.TOUCHINPUTMASKF_CONTACTAREA)) {