add gamepad input example

examples/core/gamepad_input.jl

@@ -0,0 +1,46 @@
+using Raylib
+
+function main()
+
+    screenWidth = 800
+    screenHeight = 450
+
+    Raylib.InitWindow(screenWidth, screenHeight, "raylib [core] example - gamepad input")
+
+    Raylib.SetTargetFPS(60)
+
+    while !Raylib.WindowShouldClose()
+
+        Raylib.BeginDrawing()
+
+        Raylib.ClearBackground(Raylib.RAYWHITE)
+
+        if Raylib.IsGamepadAvailable(0)
+
+            Raylib.DrawText("GP1: $(Raylib.GetGamepadName(0))", 10, 10, 10, Raylib.BLACK)
+
+            Raylib.DrawText("- GENERIC GAMEPAD -", 280, 180, 20, Raylib.GRAY)
+
+            Raylib.DrawText("DETECTED AXIS [$(Raylib.GetGamepadAxisCount(0))]:", 10, 50, 10, Raylib.MAROON)
+
+            for i in 0:Raylib.GetGamepadAxisCount(0)-1
+                Raylib.DrawText("AXIS $i: $(Raylib.GetGamepadAxisMovement(0, i))", 20, 70 + 20*i, 10, Raylib.DARKGRAY)
+            end
+
+            if Raylib.GetGamepadButtonPressed() != -1
+                Raylib.DrawText("DETECTED BUTTON: $(Raylib.GetGamepadButtonPressed())", 10, 430, 10, Raylib.RED)
+            else 
+                Raylib.DrawText("DETECTED BUTTON: NONE", 10, 430, 10, Raylib.GRAY)
+            end
+
+        else
+            Raylib.DrawText("GP1: NOT DETECTED", 10, 10, 10, Raylib.GRAY)
+        end
+
+        Raylib.EndDrawing()
+
+    end
+
+    Raylib.CloseWindow()    
+
+end