From e1902300fca52737d77e4c3a1d7ed91887282599 Mon Sep 17 00:00:00 2001
From: anggape <anggape.dev@gmail.com>
Date: Mon, 24 Jul 2023 18:57:15 +0700
Subject: [PATCH] use raylib multi touch sample for testing

---
 Raylib-cs.Android.Sample/MainActivity.cs | 46 +++++++++++++++++++++---
 1 file changed, 41 insertions(+), 5 deletions(-)

diff --git a/Raylib-cs.Android.Sample/MainActivity.cs b/Raylib-cs.Android.Sample/MainActivity.cs
index 72dcadf..94e6d88 100644
--- a/Raylib-cs.Android.Sample/MainActivity.cs
+++ b/Raylib-cs.Android.Sample/MainActivity.cs
@@ -1,3 +1,4 @@
+using System.Numerics;
 using System.Runtime.InteropServices;
 using Android.Content;
 using Android.Content.PM;
@@ -14,21 +15,56 @@ namespace Raylib_cs.Android;
         ScreenOrientation = ScreenOrientation.Landscape,
         ClearTaskOnLaunch = true
     ),
-    IntentFilter(new[] { Intent.ActionMain }),
+    IntentFilter(new[] { Intent.ActionMain, Intent.CategoryLauncher }),
     MetaData(NativeActivity.MetaDataLibName, Value = "raylib")
 ]
 public class MainActivity : RaylibActivity
 {
+    private const int MAX_TOUCH_POINTS = 10;
+
     protected override void OnReady()
     {
-        Raylib.InitWindow(0, 0, "android_window");
+        Raylib.InitWindow(0, 0, "raylib [core] example - input multitouch");
+        var touchPositions = new Vector2[MAX_TOUCH_POINTS];
+
         while (!Raylib.WindowShouldClose())
         {
+            int tCount = Raylib.GetTouchPointCount();
+            if (tCount > MAX_TOUCH_POINTS)
+                tCount = MAX_TOUCH_POINTS;
+            for (int i = 0; i < tCount; ++i)
+                touchPositions[i] = Raylib.GetTouchPosition(i);
+
             Raylib.BeginDrawing();
-            Raylib.ClearBackground(Color.WHITE);
-            Raylib.DrawFPS(10, 10);
-            Raylib.DrawText("Hello Raylib-cs.Android", 20, 100, 100, Color.BLACK);
+            Raylib.ClearBackground(Color.RAYWHITE);
+
+            for (int i = 0; i < tCount; ++i)
+            {
+                if ((touchPositions[i].X > 0) && (touchPositions[i].Y > 0))
+                {
+                    // for some reason this only works on release mode
+                    Raylib.DrawCircleV(touchPositions[i], 34, Color.ORANGE);
+                    Raylib.DrawText(
+                        i.ToString(),
+                        (int)touchPositions[i].X - 10,
+                        (int)touchPositions[i].Y - 70,
+                        40,
+                        Color.BLACK
+                    );
+                }
+            }
+
+            Raylib.DrawText(
+                "touch the screen at multiple locations to get multiple balls",
+                10,
+                10,
+                20,
+                Color.DARKGRAY
+            );
+
             Raylib.EndDrawing();
         }
+
+        Raylib.CloseWindow();
     }
 }