add fullscreen button, second sample project, select etc...

app/unity/page.tsx

@@ -1,13 +1,37 @@
 "use client";
-import { Unity, useUnityContext } from "react-unity-webgl";
+import Image from "next/image";
+import { useSearchParams } from "next/navigation";
+import { Unity, UnityConfig, useUnityContext } from "react-unity-webgl";
+
+const unityConfigBuilder: (path: string) => UnityConfig = (path) => ({
+  loaderUrl: `${path}.loader.js`,
+  dataUrl: `${path}.data`,
+  frameworkUrl: `${path}.framework.js`,
+  codeUrl: `${path}.wasm`,
+  streamingAssetsUrl: "StreamingAssets",
+  companyName: "DTOL",
+  productName: "3d-test",
+  productVersion: "0.1",
+});
+
+const option = [
+  { value: "/unity/3d-test/Build/3d-test", name: "3d-test" },
+  { value: "/unity/test-project/build", name: "test-project" },
+];
 
 export default function Home() {
-  const { unityProvider, isLoaded, loadingProgression } = useUnityContext({
-    loaderUrl: "/unity/test-project/build.loader.js",
-    dataUrl: "/unity/test-project/build.data",
-    frameworkUrl: "/unity/test-project/build.framework.js",
-    codeUrl: "/unity/test-project/build.wasm",
-  });
+  const params = useSearchParams();
+  const p = params.get("p");
+  console.log(p);
+  if (!p || isNaN(Number(p))) location.href = "/unity?p=0";
+
+  const {
+    unityProvider,
+    isLoaded,
+    loadingProgression,
+    initialisationError,
+    UNSAFE__unityInstance,
+  } = useUnityContext(unityConfigBuilder(option[Number(p)].value));
 
   const loadingPercentage = Math.round(loadingProgression * 100);
 
@@ -23,7 +47,30 @@ export default function Home() {
             <p>Loading... ({loadingPercentage}%)</p>
           </div>
         )}
+        {initialisationError && JSON.stringify(initialisationError, null, 2)}
         <Unity className="h-full w-full" unityProvider={unityProvider} />
+        <div className="flex">
+          <select
+            value={Number(p)}
+            onChange={(e) => (location.href = `/unity?p=${e.target.value}`)}
+            className="mt-5"
+          >
+            {option.map((o, i) => (
+              <option key={`${o}-${i}`} value={i}>
+                {o.name}
+              </option>
+            ))}
+          </select>
+          <Image
+            src={"/unity/3d-test/TemplateData/fullscreen-button.png"}
+            alt="전체 화면 버튼"
+            title="전체 화면으로 보기"
+            width={38}
+            height={38}
+            className="ml-auto mt-2 cursor-pointer"
+            onClick={() => UNSAFE__unityInstance?.SetFullscreen(1)}
+          />
+        </div>
       </div>
     </>
   );

app/unity/unity.tsx

@@ -0,0 +1,7 @@
+"use client";
+
+const Unity = () => {
+  return <></>;
+};
+
+export default Unity;

public/unity/3d-test/TemplateData/style.css

@@ -0,0 +1,16 @@
+body { padding: 0; margin: 0 }
+#unity-container { position: absolute }
+#unity-container.unity-desktop { left: 50%; top: 50%; transform: translate(-50%, -50%) }
+#unity-container.unity-mobile { position: fixed; width: 100%; height: 100% }
+#unity-canvas { background: #231F20 }
+.unity-mobile #unity-canvas { width: 100%; height: 100% }
+#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
+#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
+#unity-progress-bar-empty { width: 141px; height: 18px; margin-top: 10px; margin-left: 6.5px; background: url('progress-bar-empty-dark.png') no-repeat center }
+#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
+#unity-footer { position: relative }
+.unity-mobile #unity-footer { display: none }
+#unity-webgl-logo { float:left; width: 204px; height: 38px; background: url('webgl-logo.png') no-repeat center }
+#unity-build-title { float: right; margin-right: 10px; line-height: 38px; font-family: arial; font-size: 18px }
+#unity-fullscreen-button { cursor:pointer; float: right; width: 38px; height: 38px; background: url('fullscreen-button.png') no-repeat center }
+#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }

public/unity/3d-test/index.html

@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<html lang="en-us">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <title>Unity WebGL Player | 3d-test</title>
+    <link rel="shortcut icon" href="TemplateData/favicon.ico">
+    <link rel="stylesheet" href="TemplateData/style.css">
+  </head>
+  <body>
+    <div id="unity-container" class="unity-desktop">
+      <canvas id="unity-canvas" width=960 height=600 tabindex="-1"></canvas>
+      <div id="unity-loading-bar">
+        <div id="unity-logo"></div>
+        <div id="unity-progress-bar-empty">
+          <div id="unity-progress-bar-full"></div>
+        </div>
+      </div>
+      <div id="unity-warning"> </div>
+      <div id="unity-footer">
+        <div id="unity-webgl-logo"></div>
+        <div id="unity-fullscreen-button"></div>
+        <div id="unity-build-title">3d-test</div>
+      </div>
+    </div>
+    <script>
+
+      var container = document.querySelector("#unity-container");
+      var canvas = document.querySelector("#unity-canvas");
+      var loadingBar = document.querySelector("#unity-loading-bar");
+      var progressBarFull = document.querySelector("#unity-progress-bar-full");
+      var fullscreenButton = document.querySelector("#unity-fullscreen-button");
+      var warningBanner = document.querySelector("#unity-warning");
+
+      // Shows a temporary message banner/ribbon for a few seconds, or
+      // a permanent error message on top of the canvas if type=='error'.
+      // If type=='warning', a yellow highlight color is used.
+      // Modify or remove this function to customize the visually presented
+      // way that non-critical warnings and error messages are presented to the
+      // user.
+      function unityShowBanner(msg, type) {
+        function updateBannerVisibility() {
+          warningBanner.style.display = warningBanner.children.length ? 'block' : 'none';
+        }
+        var div = document.createElement('div');
+        div.innerHTML = msg;
+        warningBanner.appendChild(div);
+        if (type == 'error') div.style = 'background: red; padding: 10px;';
+        else {
+          if (type == 'warning') div.style = 'background: yellow; padding: 10px;';
+          setTimeout(function() {
+            warningBanner.removeChild(div);
+            updateBannerVisibility();
+          }, 5000);
+        }
+        updateBannerVisibility();
+      }
+
+      var buildUrl = "Build";
+      var loaderUrl = buildUrl + "/3d-test.loader.js";
+      var config = {
+        dataUrl: buildUrl + "/3d-test.data",
+        frameworkUrl: buildUrl + "/3d-test.framework.js",
+        codeUrl: buildUrl + "/3d-test.wasm",
+        streamingAssetsUrl: "StreamingAssets",
+        companyName: "DefaultCompany",
+        productName: "3d-test",
+        productVersion: "0.1",
+        showBanner: unityShowBanner,
+      };
+
+      // By default, Unity keeps WebGL canvas render target size matched with
+      // the DOM size of the canvas element (scaled by window.devicePixelRatio)
+      // Set this to false if you want to decouple this synchronization from
+      // happening inside the engine, and you would instead like to size up
+      // the canvas DOM size and WebGL render target sizes yourself.
+      // config.matchWebGLToCanvasSize = false;
+
+      if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) {
+        // Mobile device style: fill the whole browser client area with the game canvas:
+
+        var meta = document.createElement('meta');
+        meta.name = 'viewport';
+        meta.content = 'width=device-width, height=device-height, initial-scale=1.0, user-scalable=no, shrink-to-fit=yes';
+        document.getElementsByTagName('head')[0].appendChild(meta);
+        container.className = "unity-mobile";
+        canvas.className = "unity-mobile";
+
+        // To lower canvas resolution on mobile devices to gain some
+        // performance, uncomment the following line:
+        // config.devicePixelRatio = 1;
+
+
+      } else {
+        // Desktop style: Render the game canvas in a window that can be maximized to fullscreen:
+
+        canvas.style.width = "960px";
+        canvas.style.height = "600px";
+      }
+
+      loadingBar.style.display = "block";
+
+      var script = document.createElement("script");
+      script.src = loaderUrl;
+      script.onload = () => {
+        createUnityInstance(canvas, config, (progress) => {
+          progressBarFull.style.width = 100 * progress + "%";
+              }).then((unityInstance) => {
+                loadingBar.style.display = "none";
+                fullscreenButton.onclick = () => {
+                  unityInstance.SetFullscreen(1);
+                };
+              }).catch((message) => {
+                alert(message);
+              });
+            };
+
+      document.body.appendChild(script);
+
+    </script>
+  </body>
+</html>