Added WebGL Mobile Input plugin

Added 3D camera controls

Assets/Scripts/WebGLSupport/WebGLInput/Mobile/WebGLInputMobile.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using System.Runtime.InteropServices; // for DllImport
+using AOT;
+using System;
+
+namespace WebGLSupport
+{
+    class WebGLInputMobilePlugin
+    {
+#if UNITY_WEBGL && !UNITY_EDITOR
+        [DllImport("__Internal")]
+        public static extern int WebGLInputMobileRegister(Action<int> OnTouchEnd);
+
+        [DllImport("__Internal")]
+        public static extern void WebGLInputMobileOnFocusOut(int id, Action<int> OnFocusOut);
+#else
+        /// <summary>
+        /// ID を割り振り
+        /// </summary>
+        /// <returns></returns>
+        public static int WebGLInputMobileRegister(Action<int> OnTouchEnd) { return 0; }
+
+        public static void WebGLInputMobileOnFocusOut(int id, Action<int> OnFocusOut) {}
+#endif
+    }
+
+    public class WebGLInputMobile : MonoBehaviour, IPointerDownHandler
+    {
+        static Dictionary<int, WebGLInputMobile> instances = new Dictionary<int, WebGLInputMobile>();
+
+        int id = -1;
+
+        private void Awake()
+        {
+#if !(UNITY_WEBGL && !UNITY_EDITOR)
+            // WebGL 以外、更新メソッドは動作しないようにします
+            enabled = false;
+#endif
+        }
+
+        /// <summary>
+        /// 押されたら、touchend イベントを登録する
+        /// </summary>
+        /// <param name="eventData"></param>
+        public void OnPointerDown(PointerEventData eventData)
+        {
+            if (id != -1) return;
+            id = WebGLInputMobilePlugin.WebGLInputMobileRegister(OnTouchEnd);
+            instances[id] = this;
+        }
+
+        [MonoPInvokeCallback(typeof(Action<int>))]
+        static void OnTouchEnd(int id)
+        {
+            var @this = instances[id];
+            @this.GetComponent<WebGLInput>().OnSelect();
+            @this.StartCoroutine(RegisterOnFocusOut(id));
+        }
+
+        static IEnumerator RegisterOnFocusOut(int id)
+        {
+            yield return null;  // wait one frame.
+            WebGLInputMobilePlugin.WebGLInputMobileOnFocusOut(id, OnFocusOut);
+        }
+
+        [MonoPInvokeCallback(typeof(Action<int>))]
+        static void OnFocusOut(int id)
+        {
+            var @this = instances[id];
+            @this.StartCoroutine(ExecFocusOut(id));
+        }
+
+        static IEnumerator ExecFocusOut(int id)
+        {
+            yield return null;  // wait one frame.
+            var @this = instances[id];
+            @this.GetComponent<WebGLInput>().DeactivateInputField();
+            // release
+            @this.id = -1;
+            instances.Remove(id);
+        }
+    }
+}
+

Assets/Scripts/WebGLSupport/WebGLInput/Mobile/WebGLInputMobile.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 56393f797a0f7e94e95547f5052052a4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/WebGLSupport/WebGLInput/Mobile/WebGLInputMobile.jslib

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+var WebGLInputMobile = {
+    $instances: [],
+
+    WebGLInputMobileRegister: function (touchend) {
+        var id = instances.push(null) - 1;
+
+        document.body.addEventListener("touchend", function () {
+            document.body.removeEventListener("touchend", arguments.callee);
+            Runtime.dynCall("vi", touchend, [id]);
+        });
+
+        return id;
+    },
+    WebGLInputMobileOnFocusOut: function (id, focusout) {
+        document.body.addEventListener("focusout", function () {
+            document.body.removeEventListener("focusout", arguments.callee);
+            Runtime.dynCall("vi", focusout, [id]);
+        });
+    },
+}
+
+autoAddDeps(WebGLInputMobile, '$instances');
+mergeInto(LibraryManager.library, WebGLInputMobile);

Assets/Scripts/WebGLSupport/WebGLInput/Mobile/WebGLInputMobile.jslib.meta

@@ -0,0 +1,34 @@
+fileFormatVersion: 2
+guid: 4df3633103619754fb77d82a1d683868
+PluginImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  iconMap: {}
+  executionOrder: {}
+  isPreloaded: 0
+  isOverridable: 0
+  platformData:
+  - first:
+      Any: 
+    second:
+      enabled: 0
+      settings: {}
+  - first:
+      Editor: Editor
+    second:
+      enabled: 0
+      settings:
+        DefaultValueInitialized: true
+  - first:
+      Facebook: WebGL
+    second:
+      enabled: 1
+      settings: {}
+  - first:
+      WebGL: WebGL
+    second:
+      enabled: 1
+      settings: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: