Implemented touch how I "think" it should work. I cant test this.

projects/VS2017.UWP/raylib.App.UWP/App.cpp

@@ -5,6 +5,7 @@
 
 #include <raylib.h>
 #include <uwp_events.h>
+#include <gestures.h>
 
 #include <chrono>
 #include <thread>
@@ -403,14 +404,19 @@ void App::OnVisibilityChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI
 void App::OnPointerPressed(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args)
 {
     auto props = args->CurrentPoint->Properties;
+    auto device = args->CurrentPoint->PointerDevice;
 
-    // TODO: UWP Touch input/simulation.
+    if (device->PointerDeviceType == Windows::Devices::Input::PointerDeviceType::Mouse)
-    if (args->CurrentPoint->PointerDevice->PointerDeviceType == Windows::Devices::Input::PointerDeviceType::Mouse)
     {
         if (props->IsLeftButtonPressed) UWPMouseButtonEvent(MOUSE_LEFT_BUTTON, true);
         if (props->IsMiddleButtonPressed) UWPMouseButtonEvent(MOUSE_MIDDLE_BUTTON, true);
         if (props->IsRightButtonPressed) UWPMouseButtonEvent(MOUSE_RIGHT_BUTTON, true);
     }
+    else if (device->PointerDeviceType == PointerDeviceType::Touch)
+    {
+        auto pos = args->CurrentPoint->Position;
+        UWPGestureTouch(args->CurrentPoint->PointerId, pos.X, pos.Y, true);
+    }
 
     args->Handled = true;
 }
@@ -418,14 +424,19 @@ void App::OnPointerPressed(Windows::UI::Core::CoreWindow^ sender, Windows::UI::C
 void App::OnPointerReleased(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args)
 {
     auto props = args->CurrentPoint->Properties;
+    auto device = args->CurrentPoint->PointerDevice;
 
-    // TODO: UWP Touch input.
+    if (device->PointerDeviceType == PointerDeviceType::Mouse)
-    if (args->CurrentPoint->PointerDevice->PointerDeviceType == Windows::Devices::Input::PointerDeviceType::Mouse)
     {
         if (!props->IsLeftButtonPressed) UWPMouseButtonEvent(MOUSE_LEFT_BUTTON, false);
         if (!props->IsMiddleButtonPressed) UWPMouseButtonEvent(MOUSE_MIDDLE_BUTTON, false);
         if (!props->IsRightButtonPressed) UWPMouseButtonEvent(MOUSE_RIGHT_BUTTON, false);
     }
+    else if (device->PointerDeviceType == PointerDeviceType::Touch)
+    {
+        auto pos = args->CurrentPoint->Position;
+        UWPGestureTouch(args->CurrentPoint->PointerId, pos.X, pos.Y, false);
+    }
 
     args->Handled = true;
 }
@@ -439,8 +450,15 @@ void App::OnPointerWheelChanged(Windows::UI::Core::CoreWindow^ sender, Windows::
 void App::OnPointerMoved(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args)
 {
     auto pos = args->CurrentPoint->Position;
+    if (args->CurrentPoint->PointerDevice->PointerDeviceType == PointerDeviceType::Mouse)
+    {
         UWPMousePosEvent((double)pos.X, (double)pos.Y);
         args->Handled = true;
+    }
+    else if (args->CurrentPoint->PointerDevice->PointerDeviceType == PointerDeviceType::Touch)
+    {
+        UWPGestureMove(args->CurrentPoint->PointerId, pos.X, pos.Y);
+    }
 }
 
 int App::GetRaylibKey(Windows::System::VirtualKey kVey)

src/core.c

@@ -2687,9 +2687,9 @@ int GetMouseWheelMove(void)
 // Returns touch position X for touch point 0 (relative to screen size)
 int GetTouchX(void)
 {
-#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB)
+#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP)
     return (int)CORE.Input.Touch.position[0].x;
-#else   // PLATFORM_DESKTOP, PLATFORM_RPI
+#else   // PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_UWP
     return GetMouseX();
 #endif
 }
@@ -2697,9 +2697,9 @@ int GetTouchX(void)
 // Returns touch position Y for touch point 0 (relative to screen size)
 int GetTouchY(void)
 {
-#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB)
+#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP)
     return (int)CORE.Input.Touch.position[0].y;
-#else   // PLATFORM_DESKTOP, PLATFORM_RPI
+#else   // PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_UWP
     return GetMouseY();
 #endif
 }
@@ -2710,7 +2710,7 @@ Vector2 GetTouchPosition(int index)
 {
     Vector2 position = { -1.0f, -1.0f };
 
-#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI)
+#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP)
     if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index];
     else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS);
 
@@ -5442,7 +5442,7 @@ void UWPMousePosEvent(double x, double y)
     gestureEvent.pointCount = 1;
 
     // Register touch points position, only one point registered
-    gestureEvent.position[0] = CORE.Input.Touch.position[0];
+    gestureEvent.position[0] = CORE.Input.Mouse.position;
 
     // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height
     gestureEvent.position[0].x /= (float)GetScreenWidth();
@@ -5496,4 +5496,54 @@ void UWPRegisterGamepadAxis(int gamepad, int axis, float value)
     }
 }
 
+void UWPGestureMove(int pointer, float x, float y)
+{
+#if defined(SUPPORT_GESTURES_SYSTEM)
+    GestureEvent gestureEvent = { 0 };
+
+    // Assign the pointer ID and touch action
+    gestureEvent.pointerId[0] = pointer;
+    gestureEvent.touchAction = TOUCH_MOVE;
+
+    // Register touch points count
+    gestureEvent.pointCount = 1;
+
+    // Register touch points position, only one point registered
+    gestureEvent.position[0].x = x;
+    gestureEvent.position[0].y = y;
+
+    // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height
+    gestureEvent.position[0].x /= (float)GetScreenWidth();
+    gestureEvent.position[0].y /= (float)GetScreenHeight();
+
+    // Gesture data is sent to gestures system for processing
+    ProcessGestureEvent(gestureEvent);
+#endif
+}
+
+void UWPGestureTouch(int pointer, float x, float y, bool touch)
+{
+#if defined(SUPPORT_GESTURES_SYSTEM)
+    GestureEvent gestureEvent = { 0 };
+
+    // Assign the pointer ID and touch action
+    gestureEvent.pointerId[0] = pointer;
+    gestureEvent.touchAction = touch ? TOUCH_DOWN : TOUCH_UP;
+
+    // Register touch points count
+    gestureEvent.pointCount = 1;
+
+    // Register touch points position, only one point registered
+    gestureEvent.position[0].x = x;
+    gestureEvent.position[0].y = y;
+
+    // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height
+    gestureEvent.position[0].x /= (float)GetScreenWidth();
+    gestureEvent.position[0].y /= (float)GetScreenHeight();
+
+    // Gesture data is sent to gestures system for processing
+    ProcessGestureEvent(gestureEvent);
+#endif
+}
+
 #endif // PLATFORM_UWP

src/uwp_events.h

@@ -100,6 +100,12 @@ void UWPRegisterGamepadButton(int gamepad, int button, bool down);
 // Call when a gamepad axis state changes
 void UWPRegisterGamepadAxis(int gamepad, int axis, float value);
 
+// Call when the touch point moves
+void UWPGestureMove(int pointer, float x, float y);
+
+// Call when there is a touch down or up
+void UWPGestureTouch(int pointer, float x, float y, bool touch);
+
 // Set the core window pointer so that we can pass it to EGL.
 void* UWPGetCoreWindowPtr();
 void UWPSetCoreWindowPtr(void* ptr);