Update js_scripts/index.js

js_scripts/index.js

@@ -17,13 +17,20 @@
     return;
   }
 
+  // Load the external CSS file if provided in the config.
+  if (config.css_url) {
+    const linkEl = document.createElement("link");
+    linkEl.rel = "stylesheet";
+    linkEl.href = config.css_url;
+    document.head.appendChild(linkEl);
+  }
+
   // --- Outer scope variables for camera state ---
   let cameraInstance = null;
   let controlsInstance = null;
   let initialCameraPosition = null;
   let initialCameraRotation = null;
-  // We'll save the imported SPLAT module here so we can reuse it later.
-  let SPLAT = null;
+  let SPLAT = null; // We'll save the imported SPLAT module here.
   
   // Generate a unique identifier for this widget instance.
   const instanceId = Math.random().toString(36).substr(2, 8);
@@ -37,7 +44,7 @@
   const maxAngle = parseFloat(config.maxAngle || "360");
   const minAzimuth = config.minAzimuth !== undefined ? parseFloat(config.minAzimuth) : -Infinity;
   const maxAzimuth = config.maxAzimuth !== undefined ? parseFloat(config.maxAzimuth) : Infinity;
-
+  
   // Read initial orbit parameters for desktop.
   const initAlphaDesktop = config.initAlpha !== undefined ? parseFloat(config.initAlpha) : 0.5;
   const initBetaDesktop  = config.initBeta  !== undefined ? parseFloat(config.initBeta)  : 0.5;
@@ -82,7 +89,7 @@
     }
   }
   
-  // Create the widget container and set its inner HTML.
+  // Create the widget container.
   const widgetContainer = document.createElement('div');
   widgetContainer.id = 'ply-widget-container-' + instanceId;
   widgetContainer.classList.add('ply-widget-container');
@@ -149,7 +156,6 @@
     gifPreview.style.display = 'none';
     viewerContainer.style.display = 'block';
     closeBtn.style.display = 'none';
-    // Start the viewer immediately.
     initializeViewer();
   }
   
@@ -171,7 +177,6 @@
     if (widgetContainer.classList.contains('fake-fullscreen')) {
       widgetContainer.classList.remove('fake-fullscreen');
       fullscreenToggle.textContent = '⇱';
-      // For fake-fullscreen, reset camera immediately.
       resetCamera();
     }
     viewerContainer.style.display = 'none';
@@ -184,7 +189,6 @@
         widgetContainer.classList.add('fake-fullscreen');
       } else {
         widgetContainer.classList.remove('fake-fullscreen');
-        // Reset camera when exiting fake-fullscreen.
         resetCamera();
       }
       fullscreenToggle.textContent = widgetContainer.classList.contains('fake-fullscreen') ? '⇲' : '⇱';
@@ -208,8 +212,6 @@
   });
   
   // Listen for native fullscreen changes.
-  // Update the widget container styles so that in fullscreen
-  // the aspect ratio style is removed (height = 100% and padding-bottom = 0) and then reset the camera.
   document.addEventListener('fullscreenchange', function() {
     if (document.fullscreenElement === widgetContainer) {
       fullscreenToggle.textContent = '⇲';
@@ -218,7 +220,6 @@
       resetCamera();
     } else {
       fullscreenToggle.textContent = '⇱';
-      // Restore the original aspect ratio style when not fullscreen.
       widgetContainer.style.height = '0';
       widgetContainer.style.paddingBottom = aspectPercent;
       resetCamera();
@@ -234,23 +235,20 @@
   function resetCamera() {
     console.log("Resetting camera to initial position.");
     if (cameraInstance && initialCameraPosition && initialCameraRotation) {
-      // Reset camera position and rotation.
       cameraInstance.position = initialCameraPosition.clone();
       cameraInstance.rotation = initialCameraRotation.clone();
       if (typeof cameraInstance.update === 'function') {
         cameraInstance.update();
       }
-      // Dispose of the current controls.
       if (controlsInstance && typeof controlsInstance.dispose === 'function') {
         controlsInstance.dispose();
       }
-      // Re-create OrbitControls with the original chosen parameters.
       controlsInstance = new SPLAT.OrbitControls(
         cameraInstance,
         canvas,
-        0.5,  // default alpha fallback
-        0.5,  // default beta fallback
-        5,    // default radius fallback
+        0.5,
+        0.5,
+        5,
         true,
         new SPLAT.Vector3(),
         chosenInitAlpha,
@@ -268,13 +266,11 @@
     }
   }
   
-  // Reset button now calls the resetCamera function.
   resetCameraBtn.addEventListener('click', async function() {
     console.log("Reset camera button clicked.");
     resetCamera();
   });
   
-  // Add keydown listener to exit fullscreen with Esc (or Echap)
   document.addEventListener('keydown', function(e) {
     if (e.key === 'Escape' || e.key === 'Esc') {
       let wasFullscreen = false;
@@ -302,7 +298,7 @@
     progressDialog.style.display = 'block';
     const renderer = new SPLAT.WebGLRenderer(canvas);
     const scene = new SPLAT.Scene();
-
+    
     // Construct the camera.
     const camera = new SPLAT.Camera();
     
@@ -310,9 +306,9 @@
     controlsInstance = new SPLAT.OrbitControls(
       camera,
       canvas,
-      0.5, // default alpha fallback
-      0.5, // default beta fallback
-      5,   // default radius fallback
+      0.5,
+      0.5,
+      5,
       true,
       new SPLAT.Vector3(),
       chosenInitAlpha,
@@ -321,11 +317,13 @@
     );
   
     cameraInstance = camera;
-    // Save the initial camera state (after controls are created)
+    // Save the initial camera state.
     initialCameraPosition = camera.position.clone();
     initialCameraRotation = camera.rotation.clone();
   
-    canvas.style.background = "#FEFEFD";
+    // Use the canvas_background from config.
+    canvas.style.background = config.canvas_background || "#FEFEFD";
+    
     controlsInstance.maxZoom = maxZoom;
     controlsInstance.minZoom = minZoom;
     controlsInstance.minAngle = minAngle;
@@ -366,5 +364,5 @@
   }
   
   // If a gif_url exists, the viewer is started on preview click;
-  // otherwise, it was already started above.
+  // otherwise, it is started immediately.
 })();